treewide: resync translation templates

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

30 files changed, 5311 insertions, 4712 deletions

diff --git a/modules/luci-base/po/bg/base.po b/modules/luci-base/po/bg/base.po
index 157a84c661..fff73971fd 100644
--- a/modules/luci-base/po/bg/base.po
+++ b/modules/luci-base/po/bg/base.po
@@ -55,8 +55,8 @@ msgid "-- Additional Field --"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -145,15 +145,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -163,7 +163,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr ""
 
@@ -186,7 +186,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -198,27 +198,27 @@ msgstr ""
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -348,11 +348,11 @@ msgstr ""
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -393,7 +393,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -406,11 +406,11 @@ msgstr ""
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -436,7 +436,7 @@ msgstr ""
 msgid "Administration"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -465,17 +465,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -499,7 +499,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -515,7 +515,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -534,6 +534,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -686,7 +690,7 @@ msgstr ""
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr ""
 
@@ -818,7 +822,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -838,7 +842,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1081,7 +1085,7 @@ msgstr ""
 msgid "Command"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1137,7 +1141,7 @@ msgstr ""
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1239,7 +1243,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr ""
@@ -1275,7 +1279,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1283,11 +1287,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1366,10 +1370,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1509,7 +1513,7 @@ msgstr ""
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1524,7 +1528,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1541,7 +1546,7 @@ msgstr ""
 msgid "Distance to farthest network member in meters."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1549,15 +1554,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1577,11 +1582,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1589,7 +1594,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1611,7 +1616,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1652,9 +1657,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1730,7 +1735,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1851,11 +1856,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1864,13 +1869,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1947,7 +1953,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1956,11 +1962,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2007,7 +2013,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2131,7 +2137,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2178,8 +2184,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2248,7 +2254,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2551,7 +2557,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2559,7 +2565,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2727,11 +2733,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2857,7 +2863,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2869,7 +2875,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2894,11 +2900,11 @@ msgstr ""
 msgid "Limit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2922,7 +2928,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2950,15 +2956,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2970,7 +2976,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3015,7 +3021,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3028,31 +3034,31 @@ msgstr ""
 msgid "Local Time"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3064,7 +3070,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3175,15 +3181,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3236,7 +3242,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3313,7 +3319,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3402,7 +3408,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3434,7 +3440,7 @@ msgstr ""
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3455,7 +3461,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3484,7 +3490,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3508,7 +3514,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3558,7 +3564,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3596,7 +3602,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3608,7 +3614,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3655,7 +3661,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3691,6 +3697,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4054,7 +4069,7 @@ msgstr ""
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4144,7 +4159,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4214,7 +4229,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4281,7 +4296,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4299,7 +4314,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4383,7 +4398,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4441,7 +4456,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4492,15 +4507,15 @@ msgstr ""
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4547,7 +4562,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4646,7 +4661,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4662,6 +4677,10 @@ msgstr ""
 msgid "Save & Apply"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4715,7 +4734,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4821,7 +4840,7 @@ msgstr ""
 msgid "Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4955,7 +4974,7 @@ msgstr ""
 msgid "Static IPv6 Routes"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -4969,7 +4988,7 @@ msgstr ""
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -4997,7 +5016,7 @@ msgstr ""
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5010,11 +5029,11 @@ msgstr ""
 msgid "Submit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5070,7 +5089,7 @@ msgstr ""
 msgid "System"
 msgstr ""
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr ""
@@ -5087,11 +5106,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5309,8 +5328,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5342,7 +5361,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5375,7 +5394,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5411,8 +5430,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5542,7 +5561,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5603,7 +5622,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5627,7 +5646,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5694,7 +5713,7 @@ msgstr ""
 msgid "Uptime"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5813,7 +5832,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6032,7 +6051,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6040,7 +6059,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6082,7 +6101,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6177,14 +6196,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6244,7 +6263,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6272,7 +6291,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6380,15 +6399,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6410,7 +6429,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6423,7 +6443,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6452,7 +6472,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6512,9 +6532,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6540,7 +6560,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/ca/base.po b/modules/luci-base/po/ca/base.po
index 1104b18611..dfbe81f623 100644
--- a/modules/luci-base/po/ca/base.po
+++ b/modules/luci-base/po/ca/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Camp addicional --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -149,15 +149,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "Port de consulta <abbr title=\"Domain Name System\">DNS</abbr> "
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Port del servidor <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -169,7 +169,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Adreça <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -194,7 +194,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Passarel·la <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -206,15 +206,15 @@ msgstr "Configuració dels <abbr title=\"Light Emitting Diode\">LED</abbr>s"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nom <abbr title=\"Light Emitting Diode\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Adreça <abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -222,7 +222,7 @@ msgstr ""
 "Arrendaments de <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> <abbr title=\"màxims\">max.</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -230,7 +230,7 @@ msgstr ""
 "Mida <abbr title=\"màxima\">màx.</abbr> de paquet <abbr title=\"Extension "
 "Mechanisms for Domain Name System\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "Consultes concurrents <abbr title=\"màximes\">max.</abbr>"
 
@@ -365,11 +365,11 @@ msgstr "Arrendaments DHCPv6 actius"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -410,7 +410,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "Afegeix el sufix de domini local als noms servits des dels fitxers de hosts"
@@ -424,11 +424,11 @@ msgstr "Afegeix una interfície nova..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Fitxers de Hosts addicionals"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -454,7 +454,7 @@ msgstr "Adreça per accedir al relay bridge local"
 msgid "Administration"
 msgstr "Administració"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -483,17 +483,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -519,7 +519,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Permet només les llistades"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Permetre el localhost"
 
@@ -537,7 +537,7 @@ msgstr "Accés d'administrador amb contrasenya"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Permetre l'accés de l'usurari <em>root</em> amb contrasenya"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr "Permet respostes del rang 127.0.0.0/8, p.e. per serveis RBL"
@@ -556,6 +556,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -708,7 +712,7 @@ msgstr "Autenticació"
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritzada"
 
@@ -843,7 +847,7 @@ msgstr ""
 "en els fitxers de configuració canviats i marcats per l'opkg, fitxers base "
 "essencials i els patrons de còpia de seguretat definits per l'usuari."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -863,7 +867,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Velocitat de bits"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Substitució dels dominis NX falsos"
 
@@ -1114,7 +1118,7 @@ msgstr "S’estan recollint dades…"
 msgid "Command"
 msgstr "Ordre"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1170,7 +1174,7 @@ msgstr "Connectat"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1274,7 +1278,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "Servidor DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP i DNS"
@@ -1310,7 +1314,7 @@ msgstr ""
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Reenviaments DNS"
 
@@ -1318,11 +1322,11 @@ msgstr "Reenviaments DNS"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1401,10 +1405,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1546,7 +1550,7 @@ msgstr "Inhabilitat"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Descarta les respostes RFC1918 des de dalt"
 
@@ -1561,7 +1565,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1578,7 +1583,7 @@ msgstr "Optimització de distància"
 msgid "Distance to farthest network member in meters."
 msgstr "Distància al membre de la xarxa més allunyat en metres."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1590,15 +1595,15 @@ msgstr ""
 "\">DNS</abbr> per tallafocs <abbr title=\"Network Address Translation\">NAT</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1618,11 +1623,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Es requereix un domini"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1630,7 +1635,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1654,7 +1659,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1698,9 +1703,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "Mètode EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1776,7 +1781,7 @@ msgstr "Habilita el client NTP"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Habilita el servidor TFTP"
 
@@ -1897,11 +1902,11 @@ msgstr "Adaptador Ethernet"
 msgid "Ethernet Switch"
 msgstr "Commutador Ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1910,13 +1915,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "S’espera: %s"
 
@@ -1993,7 +1999,7 @@ msgstr "No hi ha accés al fitxer"
 msgid "Filename"
 msgstr "Nom de fitxer"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Nom de fitxer de la imatge d'inici que es publica als clients"
 
@@ -2002,11 +2008,11 @@ msgstr "Nom de fitxer de la imatge d'inici que es publica als clients"
 msgid "Filesystem"
 msgstr "Sistema de fitxers"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtra privat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtra els no útils"
 
@@ -2053,7 +2059,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Versió de microprogramari"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2177,7 +2183,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2226,8 +2232,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr "Vés a la configuració de contrasenya"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2299,7 +2305,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2608,7 +2614,7 @@ msgstr ""
 "es pot accedir al dispositiu d'intercanvi amb unes taxes tan altes com les "
 "de la <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignora <code>/etc/hosts</code>"
 
@@ -2616,7 +2622,7 @@ msgstr "Ignora <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignora la interfície"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignora el fitxer de resolució"
 
@@ -2784,11 +2790,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2917,7 +2923,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2929,7 +2935,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr "Temps d'arrendament restant"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Fitxer d'arrendament"
 
@@ -2954,11 +2960,11 @@ msgstr "Llegenda:"
 msgid "Limit"
 msgstr "Límit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2982,7 +2988,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Enllaç actiu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3010,15 +3016,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3032,7 +3038,7 @@ msgstr ""
 "Habilita el servei en totes les interfícies o, si no se n'especifica cap, en "
 "totes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3077,7 +3083,7 @@ msgstr "Adreça IPv4 local"
 msgid "Local IPv6 address"
 msgstr "Adreça IPv6 local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3090,31 +3096,31 @@ msgstr "Inici local"
 msgid "Local Time"
 msgstr "Hora local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Domini local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Servidor local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localitza les peticions"
 
@@ -3126,7 +3132,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Nivell de sortida de registre"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Registra les peticions"
 
@@ -3237,15 +3243,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3298,7 +3304,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3375,7 +3381,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3466,7 +3472,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr "Candidats de servidor NTP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3498,7 +3504,7 @@ msgstr "Xarxa"
 msgid "Network Utilities"
 msgstr "Utilitats de xarxa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Imatge d'inici de xarxa"
 
@@ -3519,7 +3525,7 @@ msgstr ""
 msgid "Next »"
 msgstr "Següent"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "No"
@@ -3548,7 +3554,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3572,7 +3578,7 @@ msgstr "No hi ha informació disponible"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Sense memòria cau negativa"
 
@@ -3622,7 +3628,7 @@ msgstr "Soroll:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3660,7 +3666,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3672,7 +3678,7 @@ msgstr "Avís"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3719,7 +3725,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Cal especificar o el nom de host o l'adreça MAC!"
 
@@ -3755,6 +3761,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Opció canviada"
@@ -4118,7 +4133,7 @@ msgstr "Executa un reinici"
 msgid "Perform reset"
 msgstr "Executa un reinici"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4208,7 +4223,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4278,7 +4293,7 @@ msgstr ""
 msgid "Quality"
 msgstr "Calidad"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4345,7 +4360,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4365,7 +4380,7 @@ msgstr "Gràfiques en temps real"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4449,7 +4464,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4507,7 +4522,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4558,15 +4573,15 @@ msgstr "Reinicia els comptadors"
 msgid "Reset to defaults"
 msgstr "Reestableix els valors per defecte"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4613,7 +4628,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Directori arrel dels fitxers servits per TFTP"
 
@@ -4714,7 +4729,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4730,6 +4745,10 @@ msgstr "Desa"
 msgid "Save & Apply"
 msgstr "Desa i aplica"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4783,7 +4802,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Ajusts de servidor"
 
@@ -4889,7 +4908,7 @@ msgstr "Senyal:"
 msgid "Size"
 msgstr "Mida"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -5023,7 +5042,7 @@ msgstr "Rutes IPv4 estàtiques"
 msgid "Static IPv6 Routes"
 msgstr "Rutes IPv6 estàtiques"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Leases estàtics"
 
@@ -5037,7 +5056,7 @@ msgstr "Rutes estàtiques"
 msgid "Static address"
 msgstr "Adreça estàtica"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5065,7 +5084,7 @@ msgstr "Atura"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Ordre estricte"
 
@@ -5078,11 +5097,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Envia"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5138,7 +5157,7 @@ msgstr "Sincronitza amb el navegador"
 msgid "System"
 msgstr "Sistema"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Registre del sistema"
@@ -5155,11 +5174,11 @@ msgstr "Mida de la memòria intermèdia per al registre del sistema"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Ajusts TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Arrel del servidor TFTP"
 
@@ -5392,8 +5411,8 @@ msgstr ""
 "La imatge pujada no conté un format suportat. Assegura't de triar el format "
 "d'imatge genèric per la teva plataforma."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5427,7 +5446,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5463,7 +5482,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5505,8 +5524,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5640,7 +5659,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5701,7 +5720,7 @@ msgstr "Desconegut"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5725,7 +5744,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Canvis sense desar"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5792,7 +5811,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Temps en marxa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Fes servir <code>/etc/ethers</code>"
 
@@ -5911,7 +5930,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6132,7 +6151,7 @@ msgstr "La xarxa sense fil està inhabilitada"
 msgid "Wireless network is enabled"
 msgstr "La xarxa sense fils està habilitada"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Escriure les peticions DNS rebudes al registre del sistema"
 
@@ -6140,7 +6159,7 @@ msgstr "Escriure les peticions DNS rebudes al registre del sistema"
 msgid "Write system log to file"
 msgstr "Escriure el registre del sistema al fitxer"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Sí"
@@ -6188,7 +6207,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "qualsevol"
 
@@ -6284,14 +6303,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "caducat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6353,7 +6372,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "fitxer <abbr title=\"Domain Name System\">DNS</abbr> local"
 
@@ -6381,7 +6400,7 @@ msgstr "cap enllaç"
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "cap"
 
@@ -6489,15 +6508,15 @@ msgstr ""
 msgid "unknown"
 msgstr "desconegut"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "il·limitat"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6519,7 +6538,8 @@ msgid "untagged"
 msgstr "sense etiquetar"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6532,7 +6552,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6561,7 +6581,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6621,9 +6641,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6649,7 +6669,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/cs/base.po b/modules/luci-base/po/cs/base.po
index 968be02bfa..da5714dbc7 100644
--- a/modules/luci-base/po/cs/base.po
+++ b/modules/luci-base/po/cs/base.po
@@ -56,8 +56,8 @@ msgid "-- Additional Field --"
 msgstr "-- Doplňující pole --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -146,15 +146,15 @@ msgstr "801.11w časový limit opětovného pokusu"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "port dotazů <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "port serveru <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -166,7 +166,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protokol Verze 4\">IPv4</abbr>-adresa"
 
@@ -190,7 +190,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protokol Verze 6\">IPv6</abbr>-brána"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "<abbr title=\"Internetový Protokol Verze 6\">IPv6</abbr>-Suffix "
@@ -204,15 +204,15 @@ msgstr "Nastavení <abbr title=\"Light Emitting Diode\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Název pro <abbr title=\"Light Emitting Diode\">LED</abbr> kontrolku"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-adresa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -220,7 +220,7 @@ msgstr ""
 "Nejvyšší počet <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> zápůjček"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -228,7 +228,7 @@ msgstr ""
 "Největší povolená velikost <abbr title=\"Extension Mechanisms for Domain "
 "Name System\">EDNS0</abbr> paketů"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "Nejvyšší počet souběžných dotazů"
 
@@ -368,11 +368,11 @@ msgstr "Aktivní propůjčené DHCPv6 adresy (leases)"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -413,7 +413,7 @@ msgstr "Přidat instanci"
 msgid "Add key"
 msgstr "Přidat klíč"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Přidat lokální koncovku k doménovým jménům ze souboru hosts"
 
@@ -426,11 +426,11 @@ msgstr "Přidat rozhraní..."
 msgid "Add peer"
 msgstr "Přidat protistranu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Dodatečné Hosts soubory"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Soubor s dalšími servery"
 
@@ -456,7 +456,7 @@ msgstr "Adresa pro přístup k místnímu relay bridge"
 msgid "Administration"
 msgstr "Správa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -485,17 +485,17 @@ msgstr "Alternativní název rozhraní"
 msgid "Alias of \"%s\""
 msgstr "Alternativní název „%s“"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Všechny servery"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr "Postupné přidělování adres IP od nejnižší dostupné adresy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Postupné přidělování adres IP"
 
@@ -521,7 +521,7 @@ msgstr "Povolit starší rychlosti 802.11b"
 msgid "Allow listed only"
 msgstr "Povolit pouze uvedené"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Povolit localhost"
 
@@ -539,7 +539,7 @@ msgstr "Povolit přihlašovaní root účtu pomocí hesla"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Povolit <em>root</em> účtu přihlášení bez nastaveného hesla"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr "Povolit upstream odpovědi na 127.0.0.0/8 rozsah, např. pro RBL služby"
@@ -560,6 +560,10 @@ msgstr ""
 "Vždy používat kanály šířky 40 MHz, i když se sekundární kanál překrývá. "
 "Použití této možnosti nevyhovuje standardu IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -720,7 +724,7 @@ msgstr "Ověřování se"
 msgid "Authentication Type"
 msgstr "Typ ověřování se"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritativní"
 
@@ -857,7 +861,7 @@ msgstr ""
 "souborů označených opkg, nezbyných systémových souborů a souborů "
 "vyhovujících uživatelem určeným vzorům."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -877,7 +881,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Přenosová rychlost"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Přepíše falešnou hodnotu NX Domény"
 
@@ -1135,7 +1139,7 @@ msgstr "Shromažďování údajů…"
 msgid "Command"
 msgstr "Příkaz"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Příkaz OK"
 
@@ -1196,7 +1200,7 @@ msgstr "Připojeno"
 msgid "Connection attempt failed"
 msgstr "Pokus o připojení se nezdařil"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Spojení ztraceno"
 
@@ -1305,7 +1309,7 @@ msgstr "DAE-Secret"
 msgid "DHCP Server"
 msgstr "DHCP server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP a DNS"
@@ -1341,7 +1345,7 @@ msgstr "Služba DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Přeposílání DNS"
 
@@ -1349,11 +1353,11 @@ msgstr "Přeposílání DNS"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC kontrolovat nepodepsané"
 
@@ -1434,10 +1438,10 @@ msgstr ""
 "Další možnosti DHCP, například \"<code>6,192.168.2.1,192.168.2.2</code>\", "
 "které odkazuje na různé DNS servery pro klienty."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1579,7 +1583,7 @@ msgstr "Zakázáno"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Zrušit spojení při nízkém počtu ACK potvrzení"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Vyřadit upstream RFC1918 odpovědi"
 
@@ -1594,7 +1598,8 @@ msgstr "Odpojit"
 msgid "Disconnection attempt failed"
 msgstr "Pokud o odpojení se nezdařil"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1611,7 +1616,7 @@ msgstr "Optimalizace na vzdálenost"
 msgid "Distance to farthest network member in meters."
 msgstr "Vzdálenost nejodlehlejšího člena sítě v metrech."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1623,18 +1628,18 @@ msgstr ""
 "forwarderu pro použití v <abbr title=\"Network Address Translation\">NAT</"
 "abbr> firewallech"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Neukládat negativní odpovědi do mezipaměti (např. pro neexistující domény)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Nepřeposílat požadavky, které nemohou být zodpovězeny veřejnými jmennými "
 "servery"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Nepřeposílat reverzní dotazy na místní sítě"
 
@@ -1654,11 +1659,11 @@ msgstr "Opravdu chcete smazat veškeré nastavení?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Opravdu chcete smazat složku „%s“ a tím i vše, co obsahuje?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Vyžadována doména"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Whitelist domén"
 
@@ -1666,7 +1671,7 @@ msgstr "Whitelist domén"
 msgid "Don't Fragment"
 msgstr "Nefragmentovat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1690,7 +1695,7 @@ msgstr "Stáhnout si mtdblock"
 msgid "Downstream SNR offset"
 msgstr "Downstream SNR offset"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Pořadí změníte přetažením"
 
@@ -1736,9 +1741,9 @@ msgstr "EA bitová délka"
 msgid "EAP-Method"
 msgstr "Metoda EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1818,7 +1823,7 @@ msgstr "Povolit NTP klienta"
 msgid "Enable Single DES"
 msgstr "Povolit Single DES"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Zapnout TFTP server"
 
@@ -1941,11 +1946,11 @@ msgstr "Ethernetový adaptér"
 msgid "Ethernet Switch"
 msgstr "Ethernetový switch"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Vynechat rozhraní"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Rozšířit hostitele"
 
@@ -1954,13 +1959,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Očekávána šestnáctková hodnota"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Očekáváno: %s"
 
@@ -2042,7 +2048,7 @@ msgstr "Soubor není přístupný"
 msgid "Filename"
 msgstr "Název souboru"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Název souboru s bootovacím obrazem oznamovaný klientům"
 
@@ -2051,11 +2057,11 @@ msgstr "Název souboru s bootovacím obrazem oznamovaný klientům"
 msgid "Filesystem"
 msgstr "Souborový systém"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtrovat soukromé"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtrovat nepotřebné"
 
@@ -2104,7 +2110,7 @@ msgstr "Soubor s firmware"
 msgid "Firmware Version"
 msgstr "Verze firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Pevný zdrojový port pro odchozí DNS dotazy"
 
@@ -2231,7 +2237,7 @@ msgstr "Adresa brány není platná"
 msgid "Gateway metric"
 msgstr "Metrika brány"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2278,8 +2284,8 @@ msgstr "Globální možnosti sítě"
 msgid "Go to password configuration..."
 msgstr "Přejít na nastavení hesla..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2351,7 +2357,7 @@ msgid "Host-Uniq tag content"
 msgstr "Obsah značky Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2660,7 +2666,7 @@ msgstr ""
 "přístup na odkládací zařízení je řádově pomalejší, než přístup do paměti "
 "<abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignorovat <code>/etc/hosts</code>"
 
@@ -2668,7 +2674,7 @@ msgstr "Ignorovat <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignorovat rozhraní"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorovat resolv soubor"
 
@@ -2840,11 +2846,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "Uvedené VLAN ID je neplatné! Každé ID musí být jedinečné"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Neplatný argument"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Neplatný příkaz"
 
@@ -2972,7 +2978,7 @@ msgstr "Odezva"
 msgid "Leaf"
 msgstr "Leaf"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Doba zapůjčení"
@@ -2984,7 +2990,7 @@ msgstr "Doba zapůjčení"
 msgid "Lease time remaining"
 msgstr "Zbývající doba trvání zápůjčky"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Soubor zápůjček"
 
@@ -3009,13 +3015,13 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Limit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 #, fuzzy
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Omezit obsluhování DNS na rozhraní podsítí, na kterých je DNS poskytováno."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Omezit naslouchání na tato rozhraní a zpětnou smyčku."
 
@@ -3039,7 +3045,7 @@ msgstr "Line Uptime"
 msgid "Link On"
 msgstr "Odkaz na"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3083,15 +3089,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Seznam SSH klíčů pro autentizaci"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Seznam domén, pro které povolit odpovědi podle RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Seznam hostitelů, kteří udávají falešné hodnoty NX domén"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Naslouchající rozhraní"
 
@@ -3104,7 +3110,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Poslouchat pouze na daném rozhraní, nebo pokud není specifikováno, na všech"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Port pro příchozí dotazy DNS"
 
@@ -3149,7 +3155,7 @@ msgstr "Místní IPv4 adresa"
 msgid "Local IPv6 address"
 msgstr "Místní IPv6 adresa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Pouze lokální služba"
 
@@ -3162,11 +3168,11 @@ msgstr "Místní startup"
 msgid "Local Time"
 msgstr "Místní čas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Místní doména"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 #, fuzzy
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
@@ -3175,16 +3181,16 @@ msgstr ""
 "Specifikace místní domény. Jména shodná s touto doménou nikdy nebudou "
 "přesměrována ani rozlušťována pomocí DHCP nebo souborů hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Přípona místní domény, připojená za názvy DHCP jmen a záznamů v souboru hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Místní server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3192,7 +3198,7 @@ msgstr ""
 "Lokalizovat jméno v závislosti na dotazující se podsíti, pokud bylo nalezeno "
 "více IP adres"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Lokalizační dotazy"
 
@@ -3204,7 +3210,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Úroveň logování"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Dotazy pro logování"
 
@@ -3318,15 +3324,15 @@ msgstr "Max. dosažitelná rychlost přenosu dat (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Maximální povolený naslouchací interval"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Nejvyšší povolené množství aktivních DHCP zápůjček"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Nejvyšší povolené množství souběžných DNS dotazů"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Nejvyšší povolená velikost EDNS.0 UDP paketů"
 
@@ -3379,7 +3385,7 @@ msgstr "Mesh ID"
 msgid "Mesh Id"
 msgstr "Mesh Id"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Metoda nebyla nalezena"
 
@@ -3456,7 +3462,7 @@ msgstr "Sledování"
 msgid "More Characters"
 msgstr "Více znaků"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Více…"
 
@@ -3548,7 +3554,7 @@ msgstr "NT doména"
 msgid "NTP server candidates"
 msgstr "Kandidáti NTP serveru"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3580,7 +3586,7 @@ msgstr "Síť"
 msgid "Network Utilities"
 msgstr "Síťové nástroje"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Síťový bootovací obraz"
 
@@ -3601,7 +3607,7 @@ msgstr "Nový název rozhraní…"
 msgid "Next »"
 msgstr "Další »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Ne"
@@ -3630,7 +3636,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Nebyla přijata žádná data"
 
@@ -3654,7 +3660,7 @@ msgstr "Údaje nejsou k dispozici"
 msgid "No matching prefix delegation"
 msgstr "Žádný vhodný delegovaný prefix"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Žádná negativní mezipaměť"
 
@@ -3704,7 +3710,7 @@ msgstr "Šum:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Nepreemptivní CRC chyby (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Bez zástupných znaků"
 
@@ -3742,7 +3748,7 @@ msgstr "Není k dispozici"
 msgid "Not started on boot"
 msgstr "Nespouštěno při startu"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Není podporováno"
 
@@ -3754,7 +3760,7 @@ msgstr "Oznámení"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr "Počet záznamů v mezipaměti DNS (max. 10 000, 0 bez mezipaměťi)"
 
@@ -3802,7 +3808,7 @@ msgstr "Link-local trasa"
 msgid "On-State Delay"
 msgstr "Zapnutí prodlevy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Jedno jméno nebo mac adresa, musí být zadáno!"
 
@@ -3838,6 +3844,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Provozní frekvence"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Volba změněna"
@@ -4217,7 +4232,7 @@ msgstr "Provést restart"
 msgid "Perform reset"
 msgstr "Provést reset"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Přístup zamítnut"
 
@@ -4309,7 +4324,7 @@ msgstr ""
 "Po takovém množství LCP echo selhání předpokládám, že peer je mrtvý. "
 "Použijte 0 pro ignorování chyb"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Zabránit naslouchání na těchto rozhraních."
 
@@ -4383,7 +4398,7 @@ msgstr "Mobilní QMI"
 msgid "Quality"
 msgstr "Kvalita"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4454,7 +4469,7 @@ msgstr ""
 "Nezpracované šestnáctkové bajty. Ponechte prázdné, pokud to poskytovatel "
 "internetu nevyžaduje"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4474,7 +4489,7 @@ msgstr "Grafy v reálném čase"
 msgid "Reassociation Deadline"
 msgstr "Termín reasociace"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Opětovné nastavení ochrany"
 
@@ -4558,7 +4573,7 @@ msgstr "Vyžádat IPv6 adresu"
 msgid "Request IPv6-prefix of length"
 msgstr "Vyžádat IPv6 prefix délky"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Časový limit požadavku"
 
@@ -4623,7 +4638,7 @@ msgstr ""
 "Vyžaduje \"úplnou\" verzi wpad/hostapd a podporu od ovladače WiFi<br/>(k "
 "lednu 2019: ath9k, ath10k, mwlwifi a mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4676,15 +4691,15 @@ msgstr "Resetovat čítače"
 msgid "Reset to defaults"
 msgstr "Obnovit na výchozí"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Soubory Resolv a Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Soubor resolve"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Zdroj nebyl nalezen"
 
@@ -4731,7 +4746,7 @@ msgstr "Požadavek na vrácení se nezdařil se stavem <code>%h</code>"
 msgid "Reverting configuration…"
 msgstr "Vracení konfigurace…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Kořenový adresář souborů, přístupných přes TFTP"
 
@@ -4831,7 +4846,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "Odkládací soubor/oddíl"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4847,6 +4862,10 @@ msgstr "Uložit"
 msgid "Save & Apply"
 msgstr "Uložit & použít"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Uložit mtdblock"
@@ -4905,7 +4924,7 @@ msgstr ""
 "Odesílat LCP echo požadavky každých x sekund, účinné pouze ve spojení s "
 "prahovou hodnotou selhání"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Nastavení serveru"
 
@@ -5013,7 +5032,7 @@ msgstr "Signál:"
 msgid "Size"
 msgstr "Velikost"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Velikost mezipaměti DNS dotazů"
 
@@ -5159,7 +5178,7 @@ msgstr "Statické IPv4 trasy"
 msgid "Static IPv6 Routes"
 msgstr "Statické IPv6 trasy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Statické zápůjčky"
 
@@ -5173,7 +5192,7 @@ msgstr "Statické trasy"
 msgid "Static address"
 msgstr "Statická adresa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5204,7 +5223,7 @@ msgstr "Zastavit"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Striktní výběr"
 
@@ -5217,11 +5236,11 @@ msgstr "Silné"
 msgid "Submit"
 msgstr "Odeslat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Potlačit logování"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Potlačit protokolování rutinního provozu těchto protokolů"
 
@@ -5278,7 +5297,7 @@ msgstr "Synchronizovat s prohlížečem"
 msgid "System"
 msgstr "Systém"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Systémový log"
@@ -5295,11 +5314,11 @@ msgstr "Velikost bufferu systémového logu"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Nastavení TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Kořenový adresář TFTP serveru"
 
@@ -5556,8 +5575,8 @@ msgstr ""
 "Nahraný soubor s firmware neobsahuje podporovaný formát. Ujistěte se, že "
 "jste vybrali správný formát pro svou platformu."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5591,7 +5610,7 @@ msgstr "Tento typ autentizace nelze použít s vybranou EAP metodou."
 msgid "This does not look like a valid PEM file"
 msgstr "Toto nevypadá jako platný PEM soubor"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 #, fuzzy
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
@@ -5638,7 +5657,7 @@ msgstr ""
 "Toto je adresa lokálního koncového bodu přiřazená zprostředkovatelem "
 "tunelového propojení, obvykle končí na <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5684,8 +5703,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5818,7 +5837,7 @@ msgid "Unable to dispatch"
 msgstr "Nelze odeslat"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5879,7 +5898,7 @@ msgstr "Neznámé"
 msgid "Unknown error (%s)"
 msgstr "Neznámá chyba (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Neznámý chybový kód"
 
@@ -5903,7 +5922,7 @@ msgstr "Nepojmenovaný klíč"
 msgid "Unsaved Changes"
 msgstr "Neuložené změny"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Nespecifikovaná chyba"
 
@@ -5975,7 +5994,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Doba běhu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Použít <code>/etc/ethers</code>"
 
@@ -6094,7 +6113,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6326,7 +6345,7 @@ msgstr "Bezdrátová síť je zakázána"
 msgid "Wireless network is enabled"
 msgstr "Bezdrátová síť je povolena"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Zapisovat přijaté požadavky DNS do systemového logu"
 
@@ -6334,7 +6353,7 @@ msgstr "Zapisovat přijaté požadavky DNS do systemového logu"
 msgid "Write system log to file"
 msgstr "Zapisovat systémový protokol do souboru"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Ano"
@@ -6382,7 +6401,7 @@ msgstr "Nastavení ZRam"
 msgid "ZRam Size"
 msgstr "Velikost ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "libovolný"
 
@@ -6477,14 +6496,14 @@ msgstr "zakázáno"
 msgid "driver default"
 msgstr "výchozí nastavení ovladače"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "expirovaná"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6546,7 +6565,7 @@ msgstr "délka klíče v rozmezí 8 až 63 znaků"
 msgid "key with either 5 or 13 characters"
 msgstr "délka klíče 8, nebo 13 znaků"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "místní <abbr title=\"Domain Name System\">DNS</abbr> soubor"
 
@@ -6574,7 +6593,7 @@ msgstr "žádné spojení"
 msgid "non-empty value"
 msgstr "neprázdná hodnota"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "žádný"
 
@@ -6682,15 +6701,15 @@ msgstr "jedinečná hodnota"
 msgid "unknown"
 msgstr "neznámý"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "neomezený"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6712,7 +6731,8 @@ msgid "untagged"
 msgstr "neoznačený"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "platná IP adresa"
 
@@ -6725,7 +6745,7 @@ msgid "valid IPv4 CIDR"
 msgstr "platný IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "platná IPv4 adresa"
 
@@ -6754,7 +6774,7 @@ msgid "valid IPv6 CIDR"
 msgstr "platný IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "platná IPv6 adresa"
 
@@ -6814,9 +6834,9 @@ msgstr "platný hostitel:port"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "platný název hostitele"
 
@@ -6842,7 +6862,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "platný port nebo rozsah portů (port1-port2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "platná hodnota portu"
 
diff --git a/modules/luci-base/po/de/base.po b/modules/luci-base/po/de/base.po
index e6b16522e3..3bf6834113 100644
--- a/modules/luci-base/po/de/base.po
+++ b/modules/luci-base/po/de/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Zusätzliches Feld --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -150,15 +150,15 @@ msgstr "802.11w: Wiederholungsintervall"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> Abfrageport"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> Serverport"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -170,7 +170,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Addresse"
 
@@ -195,7 +195,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hexadezimal)"
@@ -208,17 +208,17 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Konfiguration"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-Adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr ""
 "<abbr title=\"Eindeutiger DHCP Bezeichner (DHCP Unique Identifier)\">DUID</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -226,7 +226,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> Anzahl von <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -234,7 +234,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> Größe von <abbr title=\"Extension "
 "Mechanisms for Domain Name System\">EDNS0</abbr>-Paketen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">Max.</abbr> Anzahl gleichzeitiger Abfragen"
 
@@ -370,11 +370,11 @@ msgstr "Aktive DHCPv6-Leases"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -415,7 +415,7 @@ msgstr "Instanz hinzufügen"
 msgid "Add key"
 msgstr "Schlüssel hinzufügen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Lokalen Domainsuffx an Namen aus der Hosts-Datei anhängen"
 
@@ -428,11 +428,11 @@ msgstr "Neue Schnittstelle hinzufügen..."
 msgid "Add peer"
 msgstr "Peer hinzufügen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Zusätzliche Hosts-Dateien"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Zusätzliche Nameserver-Datei"
 
@@ -458,7 +458,7 @@ msgstr "Adresse der lokalen Relay-Brücke"
 msgid "Administration"
 msgstr "Administration"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -487,11 +487,11 @@ msgstr "Alias-Schnittstelle"
 msgid "Alias of \"%s\""
 msgstr "Alias von \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Alle Server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
@@ -499,7 +499,7 @@ msgstr ""
 "IP-Adressen sequenziell vergeben, beginnend mit der kleinsten verfügbaren "
 "Adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "IPs sequenziell vergeben"
 
@@ -526,7 +526,7 @@ msgstr "Veraltete 802.11b-Raten erlauben"
 msgid "Allow listed only"
 msgstr "Nur gelistete erlauben"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Erlaube localhost"
 
@@ -544,7 +544,7 @@ msgstr ""
 "Erlaubt es dem <em>root</em> Benutzer sich mit einem Passwort statt einem "
 "Zertifikat einzuloggen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -568,6 +568,10 @@ msgstr ""
 "benachbarten Funkzellen überlappt. Die Benutzung dieser Option ist eine "
 "Verletzung des IEEE 802.11n-2009 Standards!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -729,7 +733,7 @@ msgstr "Authentifizierung"
 msgid "Authentication Type"
 msgstr "Authentifizierungstyp"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Authoritativ"
 
@@ -865,7 +869,7 @@ msgstr ""
 "markierten Konfigurationsdateien. Des Weiteren sind die durch "
 "benutzerdefinierte Dateiemuster betroffenen Dateien enthalten."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -887,7 +891,7 @@ msgstr "Tunnelendpunkt an diese Schnittstelle binden (optional)."
 msgid "Bitrate"
 msgstr "Bitrate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Ungültige \"NX-Domain\" Antworten ignorieren"
 
@@ -1156,7 +1160,7 @@ msgstr "Sammle Daten..."
 msgid "Command"
 msgstr "Befehl"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Kommando OK"
 
@@ -1216,7 +1220,7 @@ msgstr "Verbunden"
 msgid "Connection attempt failed"
 msgstr "Verbindungsversuch fehlgeschlagen"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Verbindung verloren"
 
@@ -1327,7 +1331,7 @@ msgstr "DAE-Geheimnis"
 msgid "DHCP Server"
 msgstr "DHCP-Server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP und DNS"
@@ -1363,7 +1367,7 @@ msgstr "DHCPv6-Dienst"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNS-Weiterleitungen"
 
@@ -1371,11 +1375,11 @@ msgstr "DNS-Weiterleitungen"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-Label / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC Signaturstatus prüfen"
 
@@ -1456,10 +1460,10 @@ msgstr ""
 "Definiert zusätzliche DHCP-Optionen, z.B. \"<code>6,192.168.2.1,192.168.2.2</"
 "code>\" um einen anderen DNS-Server an Clients zu verteilen."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1601,7 +1605,7 @@ msgstr "Deaktiviert"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Trennung bei schlechtem Antwortverhalten"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Eingehende RFC1918-Antworten verwerfen"
 
@@ -1616,7 +1620,8 @@ msgstr "Trennen"
 msgid "Disconnection attempt failed"
 msgstr "Verbindungstrennung fehlgeschlagen"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1634,7 +1639,7 @@ msgid "Distance to farthest network member in meters."
 msgstr "Distanz zum am weitesten entfernten Funkpartner in Metern."
 
 # Nur für NAT-Firewalls?
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1646,19 +1651,19 @@ msgstr ""
 "abbr>-Forwarder für <abbr title=\"Network Address Translation\">NAT</abbr> "
 "Router"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Negative Antworten nicht zwischenspeichern, z.B. bei nicht existierenden "
 "Domains"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Keine Anfragen weiterleiten welche nicht durch öffentliche Server "
 "beantwortet werden können"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Keine Rückwärtsauflösungen für lokale Netzwerke weiterleiten"
 
@@ -1679,11 +1684,11 @@ msgstr "Möchten Sie wirklich alle Einstellungen löschen?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Soll das Verzeichnis \"%s\" wirklich rekursiv gelöscht werden?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Anfragen nur mit Domain"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Domain-Whitelist"
 
@@ -1691,7 +1696,7 @@ msgstr "Domain-Whitelist"
 msgid "Don't Fragment"
 msgstr "Nicht fragmentieren"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1715,7 +1720,7 @@ msgstr "Mtdblock-Datei herunterladen"
 msgid "Downstream SNR offset"
 msgstr "Downstream SNR-Offset"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Ziehen zum Umsortieren"
 
@@ -1762,9 +1767,9 @@ msgstr "EA-Bitlänge"
 msgid "EAP-Method"
 msgstr "EAP-Methode"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1844,7 +1849,7 @@ msgstr "Aktiviere NTP-Client"
 msgid "Enable Single DES"
 msgstr "Single-DES aktivieren"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "TFTP-Server aktivieren"
 
@@ -1967,11 +1972,11 @@ msgstr "Netzwerkschnittstelle"
 msgid "Ethernet Switch"
 msgstr "Netzwerk Switch"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Schnittstellen ausschließen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Hosts vervollständigen"
 
@@ -1980,13 +1985,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Erwarte einen hexadezimalen Zuordnungshinweis"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Erwarte: %s"
 
@@ -2067,7 +2073,7 @@ msgstr "Datei nicht verfügbar"
 msgid "Filename"
 msgstr "Dateiname"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Dateiname des Boot-Images welches den Clients mitgeteilt wird"
 
@@ -2076,11 +2082,11 @@ msgstr "Dateiname des Boot-Images welches den Clients mitgeteilt wird"
 msgid "Filesystem"
 msgstr "Dateisystem"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Private Anfragen filtern"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Windowsanfragen filtern"
 
@@ -2129,7 +2135,7 @@ msgstr "Firmware-Datei"
 msgid "Firmware Version"
 msgstr "Firmware Version"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Fester Port für ausgehende DNS-Anfragen"
 
@@ -2257,7 +2263,7 @@ msgstr "Gateway-Adresse ist ungültig"
 msgid "Gateway metric"
 msgstr "Gateway-Metrik"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2306,8 +2312,8 @@ msgstr "Globale Netzwerkeinstellungen"
 msgid "Go to password configuration..."
 msgstr "Zur Passwortkonfiguration..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2379,7 +2385,7 @@ msgid "Host-Uniq tag content"
 msgstr "\"Host-Uniq\"-Bezeichner"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2690,7 +2696,7 @@ msgstr ""
 "effektive Größe des Arbeitsspeichers zu erhöhen. Die Auslagerung der Daten "
 "ist natürlich bedeutend langsamer als direkte Arbeitsspeicherzugriffe."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignoriere <code>/etc/hosts</code>"
 
@@ -2698,7 +2704,7 @@ msgstr "Ignoriere <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Schnittstelle ignorieren"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Resolv-Datei ignorieren"
 
@@ -2872,11 +2878,11 @@ msgstr "Ungültige VLAN ID angegeben! Nur IDs zwischen %d und %d sind erlaubt."
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "Ungültige VLAN-ID angegeben! Nur eindeutige IDs sind zulässig"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Ungültiges Argument"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Ungültiges Kommando"
 
@@ -3005,7 +3011,7 @@ msgstr "Latenz"
 msgid "Leaf"
 msgstr "Zweigstelle"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Laufzeit"
@@ -3017,7 +3023,7 @@ msgstr "Laufzeit"
 msgid "Lease time remaining"
 msgstr "Verbleibende Gültigkeit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Leasedatei"
 
@@ -3042,13 +3048,13 @@ msgstr "Legende:"
 msgid "Limit"
 msgstr "Limit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "DNS-Dienste auf direkte lokale Subnetze beschränken um Missbrauch durch "
 "Dritte zu verhindern."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Dienste auf die angegeben Schnittstellen plus Loopback beschränken."
 
@@ -3072,7 +3078,7 @@ msgstr "Verbindungsdauer"
 msgid "Link On"
 msgstr "Verbindung hergestellt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3114,15 +3120,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Liste der SSH Schlüssel zur Authentifikation"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Liste von Domains für welche RFC1918-Antworten erlaubt sind"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Liste von Servern die falsche \"NX Domain\" Antworten liefern"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Aktive Schnittstellen"
 
@@ -3136,7 +3142,7 @@ msgstr ""
 "Nur auf die gegebene Schnittstelle reagieren, nutze alle wenn nicht "
 "spezifiziert"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Serverport für eingehende DNS Abfragen"
 
@@ -3181,7 +3187,7 @@ msgstr "Lokale IPv4 Adresse"
 msgid "Local IPv6 address"
 msgstr "Lokale IPv6 Adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Nur lokale Dienste"
 
@@ -3194,11 +3200,11 @@ msgstr "Lokales Startskript"
 msgid "Local Time"
 msgstr "Lokale Zeit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Lokale Domain"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3207,17 +3213,17 @@ msgstr ""
 "diese Domain zutreffen werden nie weitergeleitet und ausschließlich aus DHCP-"
 "Namen oder Hosts-Dateien aufgelöst"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Lokaler Domain-Suffix welcher an DHCP Namen und Host-Datei Einträge "
 "angehangen wird"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Lokaler Server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3225,7 +3231,7 @@ msgstr ""
 "Hostnamen je nach anfragendem Subnetz auflösen wenn mehrere IPs verfügbar "
 "sind"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Lokalisiere Anfragen"
 
@@ -3237,7 +3243,7 @@ msgstr "Auf BSSID beschränken"
 msgid "Log output level"
 msgstr "Protokolllevel"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Schreibe Abfragelog"
 
@@ -3348,15 +3354,15 @@ msgstr "Maximal erreichbare Datenrate (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Maximal erlaubter Inaktivitätszeitraum"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Maximal zulässige Anzahl von aktiven DHCP-Leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Maximal zulässige Anzahl an gleichzeitigen DNS-Anfragen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Maximal zulässige Größe von EDNS.0 UDP Paketen"
 
@@ -3409,7 +3415,7 @@ msgstr "Mesh-ID"
 msgid "Mesh Id"
 msgstr "Mesh-ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Methode nicht gefunden"
 
@@ -3486,7 +3492,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Mehr Zeichen"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Mehr…"
 
@@ -3577,7 +3583,7 @@ msgstr "NT-Domäne"
 msgid "NTP server candidates"
 msgstr "NTP Server Kandidaten"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3609,7 +3615,7 @@ msgstr "Netzwerk"
 msgid "Network Utilities"
 msgstr "Netzwerk-Werkzeuge"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Netzwerk-Boot-Image"
 
@@ -3630,7 +3636,7 @@ msgstr "Name der neuen Schnittstelle…"
 msgid "Next »"
 msgstr "Weiter »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Nein"
@@ -3659,7 +3665,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Keine Daten empfangen"
 
@@ -3683,7 +3689,7 @@ msgstr "Keine Informationen verfügbar"
 msgid "No matching prefix delegation"
 msgstr "Kein passendes delegiertes Prefix"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Kein Negativ-Cache"
 
@@ -3733,7 +3739,7 @@ msgstr "Rauschen:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Nicht-präemptive CRC-Fehler (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "An Schnittstellen binden"
 
@@ -3771,7 +3777,7 @@ msgstr "Nicht vorhanden"
 msgid "Not started on boot"
 msgstr "Beim Hochfahren nicht starten"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Nicht unterstützt"
 
@@ -3783,7 +3789,7 @@ msgstr "Notiz"
 msgid "Nslookup"
 msgstr "DNS-Auflösung"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Anzahl der zwischengespeicherten DNS-Einträge. Maximum sind 10000 Einträge, "
@@ -3832,7 +3838,7 @@ msgstr "Link-lokale Route"
 msgid "On-State Delay"
 msgstr "Verzögerung für Anschalt-Zustand"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Es muss entweder ein Hostname oder eine MAC-Adresse angegeben werden!"
 
@@ -3868,6 +3874,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Betriebsfrequenz"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Option geändert"
@@ -4247,7 +4262,7 @@ msgstr "Neustart durchführen"
 msgid "Perform reset"
 msgstr "Reset durchführen"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Zugriff verweigert"
 
@@ -4339,7 +4354,7 @@ msgstr ""
 "Deklariere den Client als tot nach der angegebenen Anzahl von LCP Echo "
 "Fehlschlägen, nutze den Wert 0 um Fehler zu ignorieren"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Verhindert das Binden an diese Schnittstellen."
 
@@ -4417,7 +4432,7 @@ msgstr "QMI Cellular"
 msgid "Quality"
 msgstr "Qualität"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4489,7 +4504,7 @@ msgstr ""
 "Hexadezimal-kodierte Zeichensequenz. Nur angeben wenn der Internetanbieter "
 "einen bestimmten Wert erwartet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4509,7 +4524,7 @@ msgstr "Echtzeit-Diagramme"
 msgid "Reassociation Deadline"
 msgstr "Reassoziierungsfrist"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "DNS-Rebind-Schutz"
 
@@ -4593,7 +4608,7 @@ msgstr "IPv6-Adresse anfordern"
 msgid "Request IPv6-prefix of length"
 msgstr "IPv6-Präfix dieser Länge anfordern"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Anfrage-Timeout"
 
@@ -4658,7 +4673,7 @@ msgstr ""
 "Benötigt die \"full\"-Variante von wpad/hostapd und Unterstützung vom WLAN-"
 "Treiber<br />(Stand: Januar 2019: ath9k, ath10k, mwlwifi, mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4711,15 +4726,15 @@ msgstr "Zähler zurücksetzen"
 msgid "Reset to defaults"
 msgstr "Auslieferungszustand wiederherstellen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Resolv- und Hosts-Dateien"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Resolv-Datei"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Resource nicht gefunden"
 
@@ -4766,7 +4781,7 @@ msgstr "Anforderung zum Verwerfen mit Status <code>%h</code> fehlgeschlagen"
 msgid "Reverting configuration…"
 msgstr "Verwerfe Konfigurationsänderungen…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Wurzelverzeichnis für über TFTP ausgelieferte Dateien"
 
@@ -4867,7 +4882,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4883,6 +4898,10 @@ msgstr "Speichern"
 msgid "Save & Apply"
 msgstr "Speichern & Anwenden"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Speichere mtdblock"
@@ -4941,7 +4960,7 @@ msgstr ""
 "Sende LCP Echo Anforderungen im angegebenem Interval in Sekunden, nur "
 "effektiv in Verbindung mit einem Fehler-Schwellwert"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Servereinstellungen"
 
@@ -5050,7 +5069,7 @@ msgstr "Signal:"
 msgid "Size"
 msgstr "Größe"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Größe des DNS-Caches"
 
@@ -5199,7 +5218,7 @@ msgstr "Statische IPv4 Routen"
 msgid "Static IPv6 Routes"
 msgstr "Statische IPv6 Routen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Statische Einträge"
 
@@ -5213,7 +5232,7 @@ msgstr "Statische Routen"
 msgid "Static address"
 msgstr "Statische Adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5245,7 +5264,7 @@ msgstr "Stopp"
 msgid "Stop refresh"
 msgstr "Aktualisierungen deaktivieren"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Strikte Reihenfolge"
 
@@ -5258,11 +5277,11 @@ msgstr "Stark"
 msgid "Submit"
 msgstr "Absenden"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Logeinträge unterdrücken"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 "Logeinträge für erfolgreiche Operationen dieser Protokolle unterdrücken"
@@ -5321,7 +5340,7 @@ msgstr "Mit Browser synchronisieren"
 msgid "System"
 msgstr "System"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Systemprotokoll"
@@ -5338,11 +5357,11 @@ msgstr "Größe des Systemprotokoll-Puffers"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP Einstellungen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP Wurzelverzeichnis"
 
@@ -5617,8 +5636,8 @@ msgstr ""
 "Das hochgeladene Firmware-Image hat ein nicht unterstütztes Format. Stellen "
 "Sie sicher dass Sie das generische Format für Ihre Platform gewählt haben."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5654,7 +5673,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr "Dies scheint keine gültige PEM-Datei zu sein"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5701,7 +5720,7 @@ msgstr ""
 "Dies ist die lokale, vom Broker zugewiesene IPv6-Adresse, sie endet "
 "üblicherweise mit <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5748,8 +5767,8 @@ msgstr ""
 "Diese Option kann nicht benutzt werden, da das <em>ca-bundle</em>-Paket "
 "nicht installiert ist."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5884,7 +5903,7 @@ msgid "Unable to dispatch"
 msgstr "Kann Anfrage nicht zustellen"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Protokolldaten können nicht geladen werden:"
 
@@ -5945,7 +5964,7 @@ msgstr "Unbekannt"
 msgid "Unknown error (%s)"
 msgstr "Protokollfehler: %s"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Unbekannter Fehlercode"
 
@@ -5969,7 +5988,7 @@ msgstr "Unbenannter Schlüssel"
 msgid "Unsaved Changes"
 msgstr "Ungespeicherte Änderungen"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Unbestimmter Fehler"
 
@@ -6041,7 +6060,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Laufzeit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Verwende <code>/etc/ethers</code>"
 
@@ -6160,7 +6179,7 @@ msgstr "Benutze Systemzertifikate"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Benutze Systemzertifikate für inneren Tunnel"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6396,7 +6415,7 @@ msgstr "Das WLAN-Netzwerk ist deaktiviert"
 msgid "Wireless network is enabled"
 msgstr "Das WLAN-Netzwerk ist aktiviert"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Empfangene DNS-Anfragen in das Systemprotokoll schreiben"
 
@@ -6404,7 +6423,7 @@ msgstr "Empfangene DNS-Anfragen in das Systemprotokoll schreiben"
 msgid "Write system log to file"
 msgstr "Systemprotokoll in Datei schreiben"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Ja"
@@ -6454,7 +6473,7 @@ msgstr "ZRAM Einstellungen"
 msgid "ZRam Size"
 msgstr "ZRAM Größe"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "beliebig"
 
@@ -6549,14 +6568,14 @@ msgstr "deaktiviert"
 msgid "driver default"
 msgstr "Treiber-Standardwert"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "abgelaufen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6618,7 +6637,7 @@ msgstr "Schlüssel zwischen 8 und 63 Zeichen"
 msgid "key with either 5 or 13 characters"
 msgstr "Schlüssel mit exakt 5 oder 13 Zeichen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "Lokale <abbr title=\"Domain Name System\">DNS</abbr>-Datei"
 
@@ -6646,7 +6665,7 @@ msgstr "nicht verbunden"
 msgid "non-empty value"
 msgstr "nicht-leeren Wert"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "keine"
 
@@ -6754,15 +6773,15 @@ msgstr "eindeutigen Wert"
 msgid "unknown"
 msgstr "unbekannt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "unlimitiert"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6784,7 +6803,8 @@ msgid "untagged"
 msgstr "unmarkiert"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "gültige IP-Adresse"
 
@@ -6797,7 +6817,7 @@ msgid "valid IPv4 CIDR"
 msgstr "gültige IPv4-CIDR-Notation"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "gültige IPv4-Adresse"
 
@@ -6826,7 +6846,7 @@ msgid "valid IPv6 CIDR"
 msgstr "gültige iPv6-CIDR-Notation"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "gültige IPv6-Adresse"
 
@@ -6886,9 +6906,9 @@ msgstr "gültige \"Host:Port\" Notation"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "gültigen Hostnamen"
 
@@ -6914,7 +6934,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "gültigen Netzwerkport oder Port-Bereich (von-bis)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "gültigen Netzwerkport"
 
diff --git a/modules/luci-base/po/el/base.po b/modules/luci-base/po/el/base.po
index 1f0cf2fb60..aaeb7e10b1 100644
--- a/modules/luci-base/po/el/base.po
+++ b/modules/luci-base/po/el/base.po
@@ -58,8 +58,8 @@ msgid "-- Additional Field --"
 msgstr "-- Επιπλέον Πεδίο --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -148,15 +148,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "Θύρα ερωτημάτων <abbr title=\"Σύστημα Ονόματος Τομέα\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Θύρα εξυπηρετητή <abbr title=\"Σύστημα Ονόματος Τομέα\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -168,7 +168,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Διεύθυνση <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -193,7 +193,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Πύλη <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -205,15 +205,15 @@ msgstr "Παραμετροποίηση <abbr title=\"Light Emitting Diode\">LED<
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Όνομα <abbr title=\"Light Emitting Diode\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Διεύθυνση <abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -221,7 +221,7 @@ msgstr ""
 "<abbr title=\"μέγιστο\">Μεγ.</abbr> πλήθος <abbr title=\"Πρωτόκολλο "
 "Παραμετροποίησης Δυναμικού Συστήματος\">DHCP</abbr> leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -229,7 +229,7 @@ msgstr ""
 "<abbr title=\"μέγιστο\">Μεγ.</abbr> μέγεθος πακέτου <abbr title=\"Μηχανισμοί "
 "επεκτάσεων για Συστήματα Ονόματος Τομέα\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"μέγιστο\">Μεγ.</abbr> πλήθος ταυτόχρονων ερωτηματων"
 
@@ -364,11 +364,11 @@ msgstr ""
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -409,7 +409,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "Προσθήκη κατάληξης τοπικού τομέα για ονόματα εξυπηρετούμενα από αρχεία hosts"
@@ -423,11 +423,11 @@ msgstr "Προσθήκη νέας διεπαφής..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Επιπλέον αρχεία Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -453,7 +453,7 @@ msgstr "Διεύθυνση για πρόσβαση σε την τοπική γέ
 msgid "Administration"
 msgstr "Διαχείριση"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -482,17 +482,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -518,7 +518,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Να επιτρέπονται μόνο αυτές στην λίστα"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Να επιτρέπεται το localhost"
 
@@ -537,7 +537,7 @@ msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 "Να επιτρέπεται στον χρήστη <em>root</em> να συνδέετε με κωδικό πρόσβασης"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -558,6 +558,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -710,7 +714,7 @@ msgstr "Εξουσιοδότηση"
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Κύριος"
 
@@ -846,7 +850,7 @@ msgstr ""
 "ουσιώδη βασικά αρχεία καθώς και καθορισμένα από το χρήστη μοτίβα αντιγράφων "
 "ασφαλείας."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -866,7 +870,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Ρυθμός δεδομένων"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Παράκαμψη Ψευδούς Τομέα NX"
 
@@ -1118,7 +1122,7 @@ msgstr "Συλλογή δεδομένων..."
 msgid "Command"
 msgstr "Εντολή"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1174,7 +1178,7 @@ msgstr "Συνδεδεμένος"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1279,7 +1283,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "Εξυπηρετητής DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP και DNS"
@@ -1315,7 +1319,7 @@ msgstr ""
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Προωθήσεις DNS"
 
@@ -1323,11 +1327,11 @@ msgstr "Προωθήσεις DNS"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1408,10 +1412,10 @@ msgstr ""
 "Ορίστε επιπλέον επιλογές DHCP, που διαφημίζουν διαφορετικούς εξυπηρετητές "
 "DNS στους πελάτες, για παράδειγμα \"<code>6,192.168.2.1,192.168.2.2</code>\"."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1553,7 +1557,7 @@ msgstr "Απενεργοποιημένο"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Αγνόησε τις απαντήσεις ανοδικής ροής RFC1918"
 
@@ -1568,7 +1572,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1585,7 +1590,7 @@ msgstr "Βελτιστοποίηση Απόστασης"
 msgid "Distance to farthest network member in meters."
 msgstr "Απόσταση σε μέτρα από το πιο απομακρυσμένο μέλος του δικτύου."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1597,19 +1602,19 @@ msgstr ""
 "title=\"Σύστημα Ονόματος Τομέα\">DNS</abbr> για τείχη προστασίας <abbr title="
 "\"Μεταφραστή Διεύθυνσης Δικτύου\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Να μην αποθηκεύονται στη λανθάνουσα μνήμη οι αρνητικές απαντήσεις, π.χ. για "
 "μη υπαρκτούς τομείς"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Να μην προωθούνται αιτήματα τα οποία δεν μπορούν να απαντηθούν από δημόσιους "
 "εξυπηρετητές ονομάτων"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1629,11 +1634,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Απαίτηση για όνομα τομέα"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Λευκή λίστα τομέων"
 
@@ -1641,7 +1646,7 @@ msgstr "Λευκή λίστα τομέων"
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1665,7 +1670,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1712,9 +1717,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "Μέθοδος EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1790,7 +1795,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Ενεργοποίηση εξυπηρετητή TFTP"
 
@@ -1911,11 +1916,11 @@ msgstr "Προσαρμογέας Ethernet"
 msgid "Ethernet Switch"
 msgstr "Ethernet Switch"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1924,13 +1929,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -2010,7 +2016,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Όνομα αρχείου της εικόνας εκκίνησης που διαφημίζετε στους πελάτες"
 
@@ -2019,11 +2025,11 @@ msgstr "Όνομα αρχείου της εικόνας εκκίνησης πο�
 msgid "Filesystem"
 msgstr "Σύστημα Αρχείων"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Φιλτράρισμα ιδιωτικών"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Φιλτράρισμα άχρηστων"
 
@@ -2070,7 +2076,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Έκδοση Υλικολογισμικού"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2196,7 +2202,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2243,8 +2249,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2316,7 +2322,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2629,7 +2635,7 @@ msgstr ""
 "προσπελαστεί με τους υψηλούς ρυθμούς μεταφοράς δεδομένων που διαθέτει η "
 "<abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Αγνόησε <code>/etc/hosts</code>"
 
@@ -2637,7 +2643,7 @@ msgstr "Αγνόησε <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Αγνόησε διεπαφή"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Αγνόησε αρχείο resolve"
 
@@ -2805,11 +2811,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2938,7 +2944,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2950,7 +2956,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr "Υπόλοιπο χρόνου Lease"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Αρχείο Leases"
 
@@ -2975,11 +2981,11 @@ msgstr "Υπόμνημα:"
 msgid "Limit"
 msgstr "Όριο"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -3003,7 +3009,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Αναμμένο με Ζεύξη"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3031,15 +3037,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3051,7 +3057,7 @@ msgstr "Θύρα ακρόασης"
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3096,7 +3102,7 @@ msgstr "Τοπική διεύθυνση IPv4"
 msgid "Local IPv6 address"
 msgstr "Τοπική διεύθυνση IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3109,31 +3115,31 @@ msgstr ""
 msgid "Local Time"
 msgstr "Τοπική Ώρα"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Τοπικός εξυπηρετητής"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Τοπικά ερωτήματα"
 
@@ -3145,7 +3151,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Επίπεδο εξόδου αρχείων καταγραφής"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Καταγραφή ερωτημάτων"
 
@@ -3256,15 +3262,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Μέγιστος επιτρεπόμενος αριθμός ενεργών DHCP leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Μέγιστος επιτρεπόμενος αριθμός ταυτόχρονων ερωτημάτων DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Μέγιστο επιτρεπόμενο μέγεθος EDNS.0 UDP πακέτων"
 
@@ -3318,7 +3324,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3395,7 +3401,7 @@ msgstr "Παρακολούθηση"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3486,7 +3492,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3518,7 +3524,7 @@ msgstr "Δίκτυο"
 msgid "Network Utilities"
 msgstr "Εργαλεία Δικτύου"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3539,7 +3545,7 @@ msgstr ""
 msgid "Next »"
 msgstr "Επόμενο »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3568,7 +3574,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3592,7 +3598,7 @@ msgstr "Δεν υπάρχουν πληροφορίες διαθέσιμες"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3642,7 +3648,7 @@ msgstr "Θόρυβος:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3680,7 +3686,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3692,7 +3698,7 @@ msgstr "Επισήμανση"
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3739,7 +3745,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3775,6 +3781,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Η επιλογή άλλαξε"
@@ -4138,7 +4153,7 @@ msgstr "Εκτέλεση επανεκκίνησης"
 msgid "Perform reset"
 msgstr "Διενέργεια αρχικοποίησης"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4228,7 +4243,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4299,7 +4314,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4366,7 +4381,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4386,7 +4401,7 @@ msgstr "Γραφήματα πραγματικού χρόνου"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4470,7 +4485,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4528,7 +4543,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4579,15 +4594,15 @@ msgstr "Αρχικοποίηση Μετρητών"
 msgid "Reset to defaults"
 msgstr "Αρχικοποίηση στις προεπιλεγμένες τιμές"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Αρχεία Resolv και Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Αρχείο Resolve"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4634,7 +4649,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Κατάλογος Root για αρχεία που σερβίρονται μέσω TFTP"
 
@@ -4736,7 +4751,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4752,6 +4767,10 @@ msgstr "Αποθήκευση"
 msgid "Save & Apply"
 msgstr "Αποθήκευση & Εφαρμογή"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4805,7 +4824,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Ρυθμίσεις Εξυπηρετητή"
 
@@ -4911,7 +4930,7 @@ msgstr "Σήμα:"
 msgid "Size"
 msgstr "Μέγεθος"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -5045,7 +5064,7 @@ msgstr "Στατικές Διαδρομές IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Στατικές Διαδρομές IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Στατικά Leases"
 
@@ -5059,7 +5078,7 @@ msgstr "Στατικές Διαδρομές"
 msgid "Static address"
 msgstr "Στατική διεύθυνση"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5087,7 +5106,7 @@ msgstr ""
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Αυστηρή σειρά"
 
@@ -5100,11 +5119,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Υποβολή"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5160,7 +5179,7 @@ msgstr ""
 msgid "System"
 msgstr "Σύστημα"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Καταγραφή Συστήματος"
@@ -5177,11 +5196,11 @@ msgstr ""
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Ρυθμίσεις TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5410,8 +5429,8 @@ msgstr ""
 "Η εικόνα που ανεβάσατε δεν περιέχει κάποια υποστηριζόμενη μορφή. Βεβαιωθείτε "
 "ότι επιλέξατε την γενική μορφή εικόνας για την πλατφόρμα σας."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5443,7 +5462,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5476,7 +5495,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5518,8 +5537,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5653,7 +5672,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5714,7 +5733,7 @@ msgstr "Άγνωστο"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5738,7 +5757,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Μη-αποθηκευμένες Αλλαγές"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5805,7 +5824,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Χρόνος εν λειτουργία"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Χρήση <code>/etc/ethers</code>"
 
@@ -5924,7 +5943,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6143,7 +6162,7 @@ msgstr "Το ασύρματο δίκτυο είναι ανενεργό"
 msgid "Wireless network is enabled"
 msgstr "Το ασύρματο δίκτυο είναι ενεργό"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Καταγραφή των ληφθέντων DNS αιτήσεων στο syslog"
 
@@ -6151,7 +6170,7 @@ msgstr "Καταγραφή των ληφθέντων DNS αιτήσεων στο
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6197,7 +6216,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6293,14 +6312,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6362,7 +6381,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "τοπικό αρχείο <abbr title=\"Domain Name System\">DNS</abbr>"
 
@@ -6390,7 +6409,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "κανένα"
 
@@ -6498,15 +6517,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "απεριόριστα"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6528,7 +6547,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6541,7 +6561,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6570,7 +6590,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6630,9 +6650,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6658,7 +6678,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/en/base.po b/modules/luci-base/po/en/base.po
index e57563582c..0c2a09b579 100644
--- a/modules/luci-base/po/en/base.po
+++ b/modules/luci-base/po/en/base.po
@@ -58,8 +58,8 @@ msgid "-- Additional Field --"
 msgstr "-- Additional Field --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -148,15 +148,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -168,7 +168,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 
@@ -193,7 +193,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -205,15 +205,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Configuration"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -221,7 +221,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -229,7 +229,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 
@@ -362,11 +362,11 @@ msgstr ""
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -407,7 +407,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Add local domain suffix to names served from hosts files"
 
@@ -420,11 +420,11 @@ msgstr "Add new interface..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Additional Hosts files"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -450,7 +450,7 @@ msgstr "Address to access local relay bridge"
 msgid "Administration"
 msgstr "Administration"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -479,17 +479,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -513,7 +513,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Allow listed only"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Allow localhost"
 
@@ -529,7 +529,7 @@ msgstr "Allow root logins with password"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Allow the <em>root</em> user to login with password"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -549,6 +549,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -701,7 +705,7 @@ msgstr "Authentication"
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Authoritative"
 
@@ -836,7 +840,7 @@ msgstr ""
 "configuration files marked by opkg, essential base files and the user "
 "defined backup patterns."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -856,7 +860,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bitrate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Bogus NX Domain Override"
 
@@ -1107,7 +1111,7 @@ msgstr "Collecting data..."
 msgid "Command"
 msgstr "Command"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1163,7 +1167,7 @@ msgstr "Connected"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1267,7 +1271,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "DHCP Server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP and DNS"
@@ -1303,7 +1307,7 @@ msgstr ""
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNS forwardings"
 
@@ -1311,11 +1315,11 @@ msgstr "DNS forwardings"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1397,10 +1401,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" which advertises different DNS "
 "servers to clients."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1540,7 +1544,7 @@ msgstr "Disabled"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1555,7 +1559,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1572,7 +1577,7 @@ msgstr "Distance Optimization"
 msgid "Distance to farthest network member in meters."
 msgstr "Distance to farthest network member in meters."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1584,15 +1589,15 @@ msgstr ""
 "Forwarder for <abbr title=\"Network Address Translation\">NAT</abbr> "
 "firewalls"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1612,11 +1617,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domain required"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1624,7 +1629,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1648,7 +1653,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1692,9 +1697,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "EAP-Method"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1770,7 +1775,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1891,11 +1896,11 @@ msgstr "Ethernet Adapter"
 msgid "Ethernet Switch"
 msgstr "Ethernet Switch"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1904,13 +1909,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1987,7 +1993,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1996,11 +2002,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr "Filesystem"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filter private"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filter useless"
 
@@ -2047,7 +2053,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2171,7 +2177,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2218,8 +2224,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2290,7 +2296,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2598,7 +2604,7 @@ msgstr ""
 "slow process as the swap-device cannot be accessed with the high datarates "
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignore <code>/etc/hosts</code>"
 
@@ -2606,7 +2612,7 @@ msgstr "Ignore <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignore interface"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignore resolve file"
 
@@ -2774,11 +2780,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2907,7 +2913,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2919,7 +2925,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr "Lease time remaining"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Leasefile"
 
@@ -2944,11 +2950,11 @@ msgstr ""
 msgid "Limit"
 msgstr "Limit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2972,7 +2978,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Link On"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3000,15 +3006,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3020,7 +3026,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3065,7 +3071,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3078,31 +3084,31 @@ msgstr ""
 msgid "Local Time"
 msgstr "Local Time"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localise queries"
 
@@ -3114,7 +3120,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Log queries"
 
@@ -3225,15 +3231,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3286,7 +3292,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3363,7 +3369,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3454,7 +3460,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3486,7 +3492,7 @@ msgstr "Network"
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3507,7 +3513,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3536,7 +3542,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3560,7 +3566,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3610,7 +3616,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3648,7 +3654,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3660,7 +3666,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3707,7 +3713,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3743,6 +3749,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4106,7 +4121,7 @@ msgstr "Perform reboot"
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4196,7 +4211,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4266,7 +4281,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4333,7 +4348,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4353,7 +4368,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4437,7 +4452,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4495,7 +4510,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4546,15 +4561,15 @@ msgstr "Reset Counters"
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4601,7 +4616,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4702,7 +4717,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4718,6 +4733,10 @@ msgstr "Save"
 msgid "Save & Apply"
 msgstr "Save & Apply"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4771,7 +4790,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4877,7 +4896,7 @@ msgstr ""
 msgid "Size"
 msgstr "Size"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -5011,7 +5030,7 @@ msgstr "Static IPv4 Routes"
 msgid "Static IPv6 Routes"
 msgstr "Static IPv6 Routes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Static Leases"
 
@@ -5025,7 +5044,7 @@ msgstr "Static Routes"
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5053,7 +5072,7 @@ msgstr "Stop"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Strict order"
 
@@ -5066,11 +5085,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Submit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5126,7 +5145,7 @@ msgstr ""
 msgid "System"
 msgstr "System"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "System Log"
@@ -5143,11 +5162,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5374,8 +5393,8 @@ msgstr ""
 "The uploaded image file does not contain a supported format. Make sure that "
 "you choose the generic image format for your platform."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5407,7 +5426,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5440,7 +5459,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5480,8 +5499,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5614,7 +5633,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5675,7 +5694,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5699,7 +5718,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Unsaved Changes"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5766,7 +5785,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Uptime"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Use <code>/etc/ethers</code>"
 
@@ -5885,7 +5904,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6106,7 +6125,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6114,7 +6133,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6159,7 +6178,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6254,14 +6273,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6323,7 +6342,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 
@@ -6351,7 +6370,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "none"
 
@@ -6459,15 +6478,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6489,7 +6508,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6502,7 +6522,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6531,7 +6551,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6591,9 +6611,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6619,7 +6639,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/es/base.po b/modules/luci-base/po/es/base.po
index 4915029df2..d5e4bbb91f 100644
--- a/modules/luci-base/po/es/base.po
+++ b/modules/luci-base/po/es/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Campo adicional --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -151,15 +151,15 @@ msgstr "Tiempo de espera de reintento de 802.11w"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "Puerto de consultas al <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Puerto del servidor <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -171,7 +171,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Dirección <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -197,7 +197,7 @@ msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 "Puerta de enlace <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr "Sufijo (hex)<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-"
 
@@ -209,15 +209,15 @@ msgstr "Configuración de <abbr title=\"Light Emitting Diode\">LEDs</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nombre del <abbr title=\"Light Emitting Diode\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Dirección <abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -225,7 +225,7 @@ msgstr ""
 "Máximas conexiones <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -233,7 +233,7 @@ msgstr ""
 "Máx. tamaño del paquete <abbr title=\"maximal\"></abbr> <abbr title="
 "\"Extension Mechanisms for Domain Name System\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"Maximal\">Máx.</abbr> consultas simultáneas"
 
@@ -370,11 +370,11 @@ msgstr "Clientes DHCPv6 activos"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -415,7 +415,7 @@ msgstr "Añadir instancia"
 msgid "Add key"
 msgstr "Añadir clave"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "Añadir el sufijo de dominio local a los nombres servidos desde el archivo de "
@@ -430,11 +430,11 @@ msgstr "Añadir nueva interfaz..."
 msgid "Add peer"
 msgstr "Añadir par"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Archivos de hosts adicionales"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Archivo de servidores adicionales"
 
@@ -460,7 +460,7 @@ msgstr "Dirección del puente relé local"
 msgid "Administration"
 msgstr "Administración"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -489,11 +489,11 @@ msgstr "Apodo de interfaz"
 msgid "Alias of \"%s\""
 msgstr "Apodo de \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Todos los servidores"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
@@ -501,7 +501,7 @@ msgstr ""
 "Asigna direcciones IP secuencialmente, comenzando desde la dirección más "
 "baja disponible"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Asignar IPs secuencialmente"
 
@@ -528,7 +528,7 @@ msgstr "Permitir tasas de 802.11b heredadas"
 msgid "Allow listed only"
 msgstr "Permitir a los pertenecientes en la lista"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Permitir host local"
 
@@ -546,7 +546,7 @@ msgstr "Permitir conexiones a root con contraseña"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Permitir al usuario <em>root</em> conectar con contraseña"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -569,6 +569,10 @@ msgstr ""
 "Usará siempre canales de 40MHz incluso si el canal secundario se superpone. "
 "¡El uso de esta opción no cumple con IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -729,7 +733,7 @@ msgstr "Autenticación"
 msgid "Authentication Type"
 msgstr "Tipo de autenticación"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autorizar"
 
@@ -867,7 +871,7 @@ msgstr ""
 "esenciales base y los patrones de copia de seguridad definidos por el "
 "usuario."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -889,7 +893,7 @@ msgstr "Enlazar el túnel a esta interfaz (opcional)."
 msgid "Bitrate"
 msgstr "Bitrate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Ignorar dominio falso NX"
 
@@ -1155,7 +1159,7 @@ msgstr "Recolectando datos…"
 msgid "Command"
 msgstr "Comando"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Comando OK"
 
@@ -1216,7 +1220,7 @@ msgstr "Conectado"
 msgid "Connection attempt failed"
 msgstr "Intento de conexión fallido"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Conexión perdida"
 
@@ -1326,7 +1330,7 @@ msgstr "Secreto DAE"
 msgid "DHCP Server"
 msgstr "Servidor DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP y DNS"
@@ -1362,7 +1366,7 @@ msgstr "Servicio DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Reenvíos DNS"
 
@@ -1370,11 +1374,11 @@ msgstr "Reenvíos DNS"
 msgid "DNS-Label / FQDN"
 msgstr "Etiqueta DNS / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "Comprobación DNSSEC sin firmar"
 
@@ -1456,10 +1460,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" que publica diferentes servidores "
 "DNS a los clientes."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1601,7 +1605,7 @@ msgstr "Desactivado"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Desasociarse en un reconocimiento bajo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Descartar las respuestas de RFC1918 aguas arriba"
 
@@ -1616,7 +1620,8 @@ msgstr "Desconectar"
 msgid "Disconnection attempt failed"
 msgstr "Intento de desconexión fallido"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1633,7 +1638,7 @@ msgstr "Optimización de distancia"
 msgid "Distance to farthest network member in meters."
 msgstr "Distancia en metros al miembro mas lejano de la red."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1645,17 +1650,17 @@ msgstr ""
 "Name System\">DNS</abbr> para Firewalls <abbr title=\"Network Address "
 "Translation\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "No guardar respuestas negativas, por ejemplo dominios inexistentes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "No reenviar peticiones que no se puedan responder por servidores de nombres "
 "públicos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "No reenviar búsquedas inversas para redes locales"
 
@@ -1675,11 +1680,11 @@ msgstr "¿Realmente quieres borrar todos las configuraciones?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "¿Realmente desea eliminar recursivamente el directorio \"%s\" ?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Requerir dominio"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Lista blanca de dominios"
 
@@ -1687,7 +1692,7 @@ msgstr "Lista blanca de dominios"
 msgid "Don't Fragment"
 msgstr "No fragmentar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1711,7 +1716,7 @@ msgstr "Descargar mtdblock"
 msgid "Downstream SNR offset"
 msgstr "Desplazamiento SNR en sentido descendente"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Arrastrar para reordenar"
 
@@ -1757,9 +1762,9 @@ msgstr "Longitud de bits EA"
 msgid "EAP-Method"
 msgstr "Método EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1839,7 +1844,7 @@ msgstr "Activar cliente NTP"
 msgid "Enable Single DES"
 msgstr "Activar sólo DES"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Activar servidor TFTP"
 
@@ -1965,11 +1970,11 @@ msgstr "Adaptador ethernet"
 msgid "Ethernet Switch"
 msgstr "Switch ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Excluir interfaces"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Expandir hosts"
 
@@ -1978,13 +1983,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Esperando una pista de asignación hexadecimal"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Esperando: %s"
 
@@ -2065,7 +2071,7 @@ msgstr "Archivo no accesible"
 msgid "Filename"
 msgstr "Nombre del archivo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Nombre del archivo de imagen de arranque mostrado a los clientes"
 
@@ -2074,11 +2080,11 @@ msgstr "Nombre del archivo de imagen de arranque mostrado a los clientes"
 msgid "Filesystem"
 msgstr "Sistema de archivos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtro privado"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtro inútil"
 
@@ -2128,7 +2134,7 @@ msgstr "Archivo de firmware"
 msgid "Firmware Version"
 msgstr "Versión del firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Puerto origen fijo para peticiones de DNS salientes"
 
@@ -2254,7 +2260,7 @@ msgstr "La dirección de la puerta de enlace es inválida"
 msgid "Gateway metric"
 msgstr "Métrica de puerta de enlace"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2303,8 +2309,8 @@ msgstr "Opciones globales de red"
 msgid "Go to password configuration..."
 msgstr "Ir a la configuración de la contraseña..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2375,7 +2381,7 @@ msgid "Host-Uniq tag content"
 msgstr "Contenido de la etiqueta Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2689,7 +2695,7 @@ msgstr ""
 "transferir volúmenes de información a alta velocidad tal y como hace la "
 "<abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignorar <code>/etc/hosts</code>"
 
@@ -2697,7 +2703,7 @@ msgstr "Ignorar <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Desactivar DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorar el archivo resolve"
 
@@ -2870,11 +2876,11 @@ msgstr "¡ID de VLAN no válido! Sólo se permiten IDs entre %d y %d."
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "¡ID de VLAN no válido! Sólo se permiten IDs únicos"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Argumento inválido"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Comando inválido"
 
@@ -3002,7 +3008,7 @@ msgstr "Latencia"
 msgid "Leaf"
 msgstr "Hoja"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Tiempo de expiración"
@@ -3014,7 +3020,7 @@ msgstr "Tiempo de expiración"
 msgid "Lease time remaining"
 msgstr "Tiempo de conexión restante"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Archivo de conexiones"
 
@@ -3039,13 +3045,13 @@ msgstr "Registro de cambios:"
 msgid "Limit"
 msgstr "Límite de IPs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Limita el servicio de DNS a las subredes de interfaces en las que estamos "
 "sirviendo DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Limita la escucha de estas interfaces, y el bucle de retorno."
 
@@ -3069,7 +3075,7 @@ msgstr "Tiempo de actividad de línea"
 msgid "Link On"
 msgstr "Enlace conectado"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3110,15 +3116,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Lista de archivos de claves SSH para autenticación"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Lista de dominios a los que se permiten respuestas RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Lista de dispositivos que proporcionan resultados de dominio NX falsos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Interfaces de escucha"
 
@@ -3130,7 +3136,7 @@ msgstr "Puerto"
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "Escucha solo en la interfaz dada o, si no se especifica, en todas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Puerto de escucha para consultas DNS entrantes"
 
@@ -3175,7 +3181,7 @@ msgstr "Dirección local IPv4"
 msgid "Local IPv6 address"
 msgstr "Dirección local IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Solo servicio local"
 
@@ -3188,11 +3194,11 @@ msgstr "Arranque local"
 msgid "Local Time"
 msgstr "Hora local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Dominio local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3200,17 +3206,17 @@ msgstr ""
 "Especificación de dominio local. Los nombres que coinciden con este dominio "
 "nunca se reenvían y se resuelven sólo desde archivos DHCP o hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Sufijo del dominio local que se añade a los nombres DHCP y a las entradas "
 "del archivo de dispositivos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Servidor local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3218,7 +3224,7 @@ msgstr ""
 "Localice el nombre del host en función de la subred que solicita si hay "
 "varias IP disponibles"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localizar consultas"
 
@@ -3230,7 +3236,7 @@ msgstr "Bloquear a BSSID"
 msgid "Log output level"
 msgstr "Nivel de registro"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Registrar consultas"
 
@@ -3343,15 +3349,15 @@ msgstr "Max. velocidad de datos alcanzable (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Máximo permitido de intervalo de escucha"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Número máximo permitido de clientes DHCP activos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Número máximo de consultas DNS concurrentes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Tamaño máximo de paquetes EDNS.0 paquetes UDP"
 
@@ -3404,7 +3410,7 @@ msgstr "ID de malla"
 msgid "Mesh Id"
 msgstr "ID de malla"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Método no encontrado"
 
@@ -3481,7 +3487,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Más caracteres"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Más…"
 
@@ -3572,7 +3578,7 @@ msgstr "Dominio NT"
 msgid "NTP server candidates"
 msgstr "Servidores NTP a consultar"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3604,7 +3610,7 @@ msgstr "Red"
 msgid "Network Utilities"
 msgstr "Utilidades de red"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Imagen de arranque en red"
 
@@ -3625,7 +3631,7 @@ msgstr "Nuevo nombre de interfaz…"
 msgid "Next »"
 msgstr "Siguiente »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "No"
@@ -3654,7 +3660,7 @@ msgstr "No hay señal RX"
 msgid "No client associated"
 msgstr "Ningún cliente asociado"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Sin datos recibidos"
 
@@ -3678,7 +3684,7 @@ msgstr "No hay información disponible"
 msgid "No matching prefix delegation"
 msgstr "No hay delegación de prefijo coincidente"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Sin caché negativa"
 
@@ -3728,7 +3734,7 @@ msgstr "Ruido:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Errores de CRC no preventivos (CRC P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Sin comodín"
 
@@ -3766,7 +3772,7 @@ msgstr "No presente"
 msgid "Not started on boot"
 msgstr "No se inició en el arranque"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "No soportado"
 
@@ -3778,7 +3784,7 @@ msgstr "Aviso"
 msgid "Nslookup"
 msgstr "NSLookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Número de entradas de DNS en caché (el máximo es 10000, 0 es sin "
@@ -3827,7 +3833,7 @@ msgstr "Ruta en enlace"
 msgid "On-State Delay"
 msgstr "Retraso de activación"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "¡Debe especificar al menos un nombre de host o dirección MAC!"
 
@@ -3863,6 +3869,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Frecuencia de operación"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Opción cambiada"
@@ -4241,7 +4256,7 @@ msgstr "Reiniciar"
 msgid "Perform reset"
 msgstr "Realizar restablecimiento"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Permiso denegado"
 
@@ -4333,7 +4348,7 @@ msgstr ""
 "Asumir que el otro estará muerto tras estos fallos de echo LCP, use 0 para "
 "ignorar fallos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Evita escuchar en estas interfaces."
 
@@ -4410,7 +4425,7 @@ msgstr "QMI Celular"
 msgid "Quality"
 msgstr "Calidad"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4481,7 +4496,7 @@ msgstr ""
 "Bytes en bruto codificados en hexadecimal. Deje en blanco a menos que su ISP "
 "lo requiera"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4501,7 +4516,7 @@ msgstr "Gráficos en tiempo real"
 msgid "Reassociation Deadline"
 msgstr "Fecha límite de reasociación"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Protección contra reasociación"
 
@@ -4585,7 +4600,7 @@ msgstr "Solicitar dirección IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Solicitud IPv6-prefijo de longitud"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Tiempo de espera de solicitud terminada"
 
@@ -4648,7 +4663,7 @@ msgstr ""
 "Requiere la versión completa de wpad/hostapd y soporte del controlador de Wi-"
 "Fi <br />(a partir de enero de 2019: ath9k, ath10k, mwlwifi y mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4701,15 +4716,15 @@ msgstr "Reiniciar contadores"
 msgid "Reset to defaults"
 msgstr "Reiniciar a configuraciones predeterminadas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Archivos Resolv y Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Archivo de resolución"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Recurso no encontrado"
 
@@ -4756,7 +4771,7 @@ msgstr "Error al revertir la solicitud con el estado <code>%h</code>"
 msgid "Reverting configuration…"
 msgstr "Revirtiendo configuración…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Directorio raíz para los archivos servidos por TFTP"
 
@@ -4857,7 +4872,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4873,6 +4888,10 @@ msgstr "Guardar"
 msgid "Save & Apply"
 msgstr "Guardar y aplicar"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Guardar mtdblock"
@@ -4931,7 +4950,7 @@ msgstr ""
 "Enviar peticiones de echo LCP cada intervalo de segundos dado, solo efectivo "
 "usado conjuntamente con el umbral de fallo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Configuración del servidor"
 
@@ -5040,7 +5059,7 @@ msgstr "Señal:"
 msgid "Size"
 msgstr "Tamaño"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Tamaño de la caché de consultas DNS"
 
@@ -5188,7 +5207,7 @@ msgstr "Rutas IPv4 estáticas"
 msgid "Static IPv6 Routes"
 msgstr "Rutas IPv6 estáticas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Direcciones estáticas"
 
@@ -5202,7 +5221,7 @@ msgstr "Rutas estáticas"
 msgid "Static address"
 msgstr "Dirección estática"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5234,7 +5253,7 @@ msgstr "Detener"
 msgid "Stop refresh"
 msgstr "Detener actualización"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Orden estricto"
 
@@ -5247,11 +5266,11 @@ msgstr "Fuerte"
 msgid "Submit"
 msgstr "Enviar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Suprimir el registro"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Suprimir el registro de la operación rutinaria de estos protocolos"
 
@@ -5309,7 +5328,7 @@ msgstr "Sincronizar con el navegador"
 msgid "System"
 msgstr "Sistema"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Registro del sistema"
@@ -5326,11 +5345,11 @@ msgstr "Tamaño del buffer de registro del sistema"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Configuración TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Raíz del servidor TFTP"
 
@@ -5595,8 +5614,8 @@ msgstr ""
 "El archivo con la imagen de firmware subido no tiene un formato adecuado. "
 "Asegúrese de haber elegido la imagen correcta para su plataforma."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5630,7 +5649,7 @@ msgstr "Este tipo de autenticación no es aplicable al método EAP seleccionado.
 msgid "This does not look like a valid PEM file"
 msgstr "Esto no parece un archivo PEM válido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5676,7 +5695,7 @@ msgstr ""
 "Esta es la dirección de punto final asignada por el broker del túnel, suele "
 "terminar con <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5719,8 +5738,8 @@ msgid ""
 msgstr ""
 "Esta opción no se puede usar porque el paquete ca-bundle no está instalado."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5854,7 +5873,7 @@ msgid "Unable to dispatch"
 msgstr "Imposible repartir"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "No se pueden cargar los datos de registro:"
 
@@ -5915,7 +5934,7 @@ msgstr "Desconocido"
 msgid "Unknown error (%s)"
 msgstr "Error desconocido (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Código de error desconocido"
 
@@ -5939,7 +5958,7 @@ msgstr "Clave sin nombre"
 msgid "Unsaved Changes"
 msgstr "Cambios sin aplicar"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Error no especificado"
 
@@ -6011,7 +6030,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Tiempo de actividad"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Usar <code>/etc/ethers</code>"
 
@@ -6130,7 +6149,7 @@ msgstr "Usar certificados del sistema"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Usar certificados del sistema para túnel interno"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6362,7 +6381,7 @@ msgstr "Red Wi-Fi desactivada"
 msgid "Wireless network is enabled"
 msgstr "Red Wi-Fi activada"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Escribe las peticiones de DNS recibidas en el registro del sistema"
 
@@ -6370,7 +6389,7 @@ msgstr "Escribe las peticiones de DNS recibidas en el registro del sistema"
 msgid "Write system log to file"
 msgstr "Escribe el registro del sistema al archivo"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Si"
@@ -6419,7 +6438,7 @@ msgstr "Configuración de ZRam"
 msgid "ZRam Size"
 msgstr "Tamaño de ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "cualquiera"
 
@@ -6514,14 +6533,14 @@ msgstr "Desactivado"
 msgid "driver default"
 msgstr "Predeterminado por el controlador"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "expirado"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6583,7 +6602,7 @@ msgstr "clave entre 8 y 63 caracteres"
 msgid "key with either 5 or 13 characters"
 msgstr "clave de 5 o 13 caracteres"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "Archivo <abbr title=\"Domain Name System\">DNS</abbr> local"
 
@@ -6611,7 +6630,7 @@ msgstr "Sin enlace"
 msgid "non-empty value"
 msgstr "valor no vacío"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "ninguno"
 
@@ -6719,15 +6738,15 @@ msgstr "valor único"
 msgid "unknown"
 msgstr "Desconocido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "ilimitado"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6749,7 +6768,8 @@ msgid "untagged"
 msgstr "Desetiquetado"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "dirección IP válida"
 
@@ -6762,7 +6782,7 @@ msgid "valid IPv4 CIDR"
 msgstr "IPv4 válido CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "dirección IPv4 válida"
 
@@ -6791,7 +6811,7 @@ msgid "valid IPv6 CIDR"
 msgstr "IPv6 válido CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "dirección IPv6 válida"
 
@@ -6851,9 +6871,9 @@ msgstr "host válido: puerto"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "nombre de host válido"
 
@@ -6879,7 +6899,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "puerto válido o rango de puertos (port1-port2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "valor de puerto válido"
 
diff --git a/modules/luci-base/po/fr/base.po b/modules/luci-base/po/fr/base.po
index 6b481c2033..ec37bfd44d 100644
--- a/modules/luci-base/po/fr/base.po
+++ b/modules/luci-base/po/fr/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Champ Supplémentaire --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -153,15 +153,15 @@ msgstr "Délai d'attente avant nouvelle tentative pour 802.11w"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "Port des requêtes <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Port du serveur <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -173,7 +173,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Adresse <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -198,7 +198,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Passerelle <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "Suffixe <abbr title=\"Internet Protocol Version 6\">IPv6</abbr> (en "
@@ -213,15 +213,15 @@ msgstr ""
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nom de la <abbr title=\"Diode Électro-Luminescente\">DEL</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Adresse <abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -229,7 +229,7 @@ msgstr ""
 "Nombre maximal de baux <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -237,7 +237,7 @@ msgstr ""
 "Taille maximale des paquets <abbr title=\"Extension Mechanisms for Domain "
 "Name System\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "Nombre maximal de requêtes concurrentes"
 
@@ -377,11 +377,11 @@ msgstr "Baux DHCPv6 actifs"
 msgid "Ad-Hoc"
 msgstr "Ad-hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -422,7 +422,7 @@ msgstr "Ajouter une instance"
 msgid "Add key"
 msgstr "Ajouter une clé"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "Ajouter le suffixe du domaine local aux noms résolus d'après le fichier hosts"
@@ -436,11 +436,11 @@ msgstr "Ajout d'une nouvelle interface..."
 msgid "Add peer"
 msgstr "Ajouter un pair"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Fichiers hosts supplémentaires"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Fichier de serveurs additionnels"
 
@@ -466,7 +466,7 @@ msgstr "Adresse pour accéder au pont-relais local"
 msgid "Administration"
 msgstr "Administration"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -495,11 +495,11 @@ msgstr "Alias de l'interface"
 msgid "Alias of \"%s\""
 msgstr "Alias de \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Tous les serveurs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
@@ -507,7 +507,7 @@ msgstr ""
 "Allouer les adresses IP de manière séquentielle en commençant par les plus "
 "petites"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Allouer les IP de manière séquentielle"
 
@@ -535,7 +535,7 @@ msgstr "Autoriser les débits 802.11b obsolètes"
 msgid "Allow listed only"
 msgstr "Autoriser seulement ce qui est listé"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Autoriser l'hôte local"
 
@@ -554,7 +554,7 @@ msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 "Autoriser l'utilisateur <em>root</em> à se connecter avec un mot de passe"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -578,6 +578,10 @@ msgstr ""
 "second canal. Utiliser cette option n'est pas conforme à la norme IEEE "
 "802.11n-2009 !"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -738,7 +742,7 @@ msgstr "Authentification"
 msgid "Authentication Type"
 msgstr "Type d'authentification"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritaire"
 
@@ -874,7 +878,7 @@ msgstr ""
 "de configuration modifiés marqués par opkg, des fichiers de base essentiels, "
 "et des motifs de sauvegarde définis par l'utilisateur."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -896,7 +900,7 @@ msgstr "Lier le tunnel à cette interface (facultatif)."
 msgid "Bitrate"
 msgstr "Débit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Contourne les «  NX Domain » bogués"
 
@@ -1166,7 +1170,7 @@ msgstr "Récupération des données…"
 msgid "Command"
 msgstr "Commande"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Commande OK"
 
@@ -1227,7 +1231,7 @@ msgstr "Connecté"
 msgid "Connection attempt failed"
 msgstr "Échec de la tentative de connexion"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Connexion perdue"
 
@@ -1337,7 +1341,7 @@ msgstr "Secret DAE"
 msgid "DHCP Server"
 msgstr "Serveur DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP et DNS"
@@ -1373,7 +1377,7 @@ msgstr "Service DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "transmissions DNS"
 
@@ -1381,11 +1385,11 @@ msgstr "transmissions DNS"
 msgid "DNS-Label / FQDN"
 msgstr "Label DNS / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "Vérification DNSSEC non signée"
 
@@ -1467,10 +1471,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" qui publie différents serveurs "
 "DNS à ses clients."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1612,7 +1616,7 @@ msgstr "Désactivé"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Désassossier sur la reconnaissance basse (Low Acknowledgement)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Rejeter les réponses RFC1918 en amont"
 
@@ -1627,7 +1631,8 @@ msgstr "Déconnecter"
 msgid "Disconnection attempt failed"
 msgstr "La tentative de déconnexion a échoué"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1644,7 +1649,7 @@ msgstr "Optimisation de la distance"
 msgid "Distance to farthest network member in meters."
 msgstr "Distance au membre du réseau le plus éloigné, en mètres."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1656,19 +1661,19 @@ msgstr ""
 "abbr> pour les pare-feu <abbr title=\"Network Address Translation\">NAT</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Ne pas mettre en cache les réponses négatives, par ex. pour des domaines "
 "inexistants"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Ne pas transmettre les requêtes qui ne peuvent être résolues par les "
 "serveurs de noms publics"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 "Ne pas transmettre les requêtes de recherche inverse pour les réseaux locaux"
@@ -1689,11 +1694,11 @@ msgstr "Voulez-vous vraiment effacer tous les paramètres ?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Voulez-vous vraiment supprimer récursivement le répertoire \"%s\" ?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domaine nécessaire"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Liste blanche de domaines"
 
@@ -1701,7 +1706,7 @@ msgstr "Liste blanche de domaines"
 msgid "Don't Fragment"
 msgstr "Ne pas fragmenter"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1725,7 +1730,7 @@ msgstr "Télécharger mtdblock"
 msgid "Downstream SNR offset"
 msgstr "Décalage du Rapport signal - bruit descendant"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Faites glisser pour réorganiser"
 
@@ -1771,9 +1776,9 @@ msgstr "Longueur des bits de l'EA"
 msgid "EAP-Method"
 msgstr "Méthode EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1853,7 +1858,7 @@ msgstr "Activer client NTP"
 msgid "Enable Single DES"
 msgstr "Activer le DES unique"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Activer le serveur TFTP"
 
@@ -1980,11 +1985,11 @@ msgstr "Module Ethernet"
 msgid "Ethernet Switch"
 msgstr "Switch Ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Exclure les interfaces"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Étendre le nom d'hôte"
 
@@ -1993,13 +1998,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Un indice d'affectation hexadécimal est attendu"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Attendu : %s"
 
@@ -2080,7 +2086,7 @@ msgstr "Fichier non accessible"
 msgid "Filename"
 msgstr "Nom de fichier"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Nom de fichier d'une image de démarrage publiée aux clients"
 
@@ -2089,11 +2095,11 @@ msgstr "Nom de fichier d'une image de démarrage publiée aux clients"
 msgid "Filesystem"
 msgstr "Système de fichiers"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtrer les requêtes privées"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtrer les requêtes inutiles"
 
@@ -2143,7 +2149,7 @@ msgstr "Fichier de micrologiciel"
 msgid "Firmware Version"
 msgstr "Version du micrologiciel"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Port source fixe pour les requêtes DNS sortantes"
 
@@ -2269,7 +2275,7 @@ msgstr "L'adresse de la passerelle n'est pas valide"
 msgid "Gateway metric"
 msgstr "Métrique de la passerelle"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2318,8 +2324,8 @@ msgstr "Options globales de réseau"
 msgid "Go to password configuration..."
 msgstr "Aller à la configuration du mot de passe…"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2390,7 +2396,7 @@ msgid "Host-Uniq tag content"
 msgstr "Contenu du tag Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2703,7 +2709,7 @@ msgstr ""
 "très lent car le périphérique d'échange n'est pas accessible avec les taux "
 "de données élevés de la <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignorer <code>/etc/hosts</code>"
 
@@ -2711,7 +2717,7 @@ msgstr "Ignorer <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignorer l'interface"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorer le fichier de résolution"
 
@@ -2887,11 +2893,11 @@ msgstr ""
 "Identifiant VLAN donné invalide ! Seuls les identifiants uniques sont "
 "autorisés"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Argument invalide"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Commande invalide"
 
@@ -3019,7 +3025,7 @@ msgstr "Latence"
 msgid "Leaf"
 msgstr "Feuille"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Durée du bail"
@@ -3031,7 +3037,7 @@ msgstr "Durée du bail"
 msgid "Lease time remaining"
 msgstr "Durée de validité"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Fichier de baux"
 
@@ -3056,13 +3062,13 @@ msgstr "Légende :"
 msgid "Limit"
 msgstr "Limite"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Limiter le service DNS aux interfaces des sous-réseaux sur lesquels nous "
 "desservons le DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Limiter l'écoute à ces interfaces, et le loopback."
 
@@ -3086,7 +3092,7 @@ msgstr "Temps de fonctionnement de la ligne"
 msgid "Link On"
 msgstr "Lien établi"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3128,16 +3134,16 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Liste des fichiers de clés SSH pour l'authentification"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Liste des domaines où sont permises les réponses de type RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 "Liste des hôtes qui fournissent des résultats avec des « NX domain » bogués"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Interfaces d'écoute"
 
@@ -3149,7 +3155,7 @@ msgstr "Port d'écoute"
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "Écouter seulement sur l'interface spécifié, sinon sur toutes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Port d'écoute des requêtes DNS entrantes"
 
@@ -3194,7 +3200,7 @@ msgstr "Adresse IPv4 locale"
 msgid "Local IPv6 address"
 msgstr "Adresse IPv6 locale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Service local uniquement"
 
@@ -3207,11 +3213,11 @@ msgstr "Démarrage local"
 msgid "Local Time"
 msgstr "Heure locale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Domaine local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3220,16 +3226,16 @@ msgstr ""
 "jamais transmis à un résolveur DNS, ils seront résolus seulement à partir du "
 "serveur DHCP ou des fichiers « hosts »"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Suffixe du domaine local ajouté aux noms du serveur DHCP et du fichier Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Serveur local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3237,7 +3243,7 @@ msgstr ""
 "Trouve le nom d'hôte suivant le sous-réseau d'où vient la requête si "
 "plusieurs adresses IPs sont possibles"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localiser les requêtes"
 
@@ -3249,7 +3255,7 @@ msgstr "Verrouiller sur BSSID"
 msgid "Log output level"
 msgstr "Niveau de journalisation"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Journaliser les requêtes"
 
@@ -3364,15 +3370,15 @@ msgstr "Débit de données max. atteignable (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Intervalle d'écoute maximum autorisé"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Nombre maximum de baux DHCP actifs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Nombre maximum de requêtes DNS au même moment"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Taille maximum autorisée des paquets UDP EDNS.0"
 
@@ -3425,7 +3431,7 @@ msgstr "Mesh ID"
 msgid "Mesh Id"
 msgstr "Mesh ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Méthode non trouvée"
 
@@ -3502,7 +3508,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Plus de caractères"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Plus…"
 
@@ -3593,7 +3599,7 @@ msgstr "Domaine NT"
 msgid "NTP server candidates"
 msgstr "Serveurs NTP candidats"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3625,7 +3631,7 @@ msgstr "Réseau"
 msgid "Network Utilities"
 msgstr "Utilitaires réseau"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Image de démarrage réseau"
 
@@ -3646,7 +3652,7 @@ msgstr "Nom de la nouvelle interface …"
 msgid "Next »"
 msgstr "Prochain »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Non"
@@ -3675,7 +3681,7 @@ msgstr "Pas de signal RX"
 msgid "No client associated"
 msgstr "Aucun client associé"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Aucune donnée reçue"
 
@@ -3699,7 +3705,7 @@ msgstr "Information indisponible"
 msgid "No matching prefix delegation"
 msgstr "Pas de délégation de préfixe de correspondance"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Pas de cache négatif"
 
@@ -3749,7 +3755,7 @@ msgstr "Bruit :"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Erreurs CRC non préemptives (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Non-wildcard"
 
@@ -3787,7 +3793,7 @@ msgstr "Non présent"
 msgid "Not started on boot"
 msgstr "Non démarré au boot"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Non pris en charge"
 
@@ -3799,7 +3805,7 @@ msgstr "Remarque"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Nombre d'entrées DNS gardées en cache (maximum 10000 ; entrez \"0\" pour "
@@ -3848,7 +3854,7 @@ msgstr "Route On-Link"
 msgid "On-State Delay"
 msgstr "Durée allumée"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Il faut indiquer un nom d'hôte ou une adresse MAC !"
 
@@ -3884,6 +3890,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Fréquence de fonctionnement"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Option modifiée"
@@ -4263,7 +4278,7 @@ msgstr "Redémarrer"
 msgid "Perform reset"
 msgstr "Réinitialiser"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Permission refusée"
 
@@ -4355,7 +4370,7 @@ msgstr ""
 "Suppose que le pair a disparu une fois le nombre donné d'erreurs d'échos "
 "LCP ; utiliser 0 pour ignorer ces erreurs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Empêcher l'écoute sur ces interfaces."
 
@@ -4431,7 +4446,7 @@ msgstr "QMI Cellulaire"
 msgid "Quality"
 msgstr "Qualité"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4502,7 +4517,7 @@ msgstr ""
 "Octets bruts codés en hexadécimal. Laissez le champ vide, sauf si votre FAI "
 "l'exige"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4522,7 +4537,7 @@ msgstr "Graphiques temps-réel"
 msgid "Reassociation Deadline"
 msgstr "Date limite de réassociation"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Protection contre l'attaque « rebind »"
 
@@ -4606,7 +4621,7 @@ msgstr "Demander une adresse IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Demander le préfixe IPv6 de la longueur"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Expiration de la demande"
 
@@ -4669,7 +4684,7 @@ msgstr ""
 "Nécessite la version \"complète\" de wpad/hostapd et le support du pilote "
 "wifi <br /> (à partir de janvier 2019 : ath9k, ath10k, mwlwifi et mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4722,15 +4737,15 @@ msgstr "Remise à zéro des compteurs"
 msgid "Reset to defaults"
 msgstr "Ré-initialisation"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Fichiers Resolv et Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Fichier de résolution des noms"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Ressource non trouvée"
 
@@ -4777,7 +4792,7 @@ msgstr "La demande d'annulation a échoué, statut <code>%h</code>"
 msgid "Reverting configuration…"
 msgstr "Annulation de la configuration…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Répertoire racine des fichiers fournis par TFTP"
 
@@ -4879,7 +4894,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4895,6 +4910,10 @@ msgstr "Enregistrer"
 msgid "Save & Apply"
 msgstr "Enregistrer et Appliquer"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Enregistrer mtdblock"
@@ -4953,7 +4972,7 @@ msgstr ""
 "Envoyer des demandes d'échos LCP à intervalles donnés, en secondes ; utile "
 "uniqument associé à un seuil d'erreurs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Paramètres du serveur"
 
@@ -5062,7 +5081,7 @@ msgstr "Signal :"
 msgid "Size"
 msgstr "Taille"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Taille du cache de requête DNS"
 
@@ -5209,7 +5228,7 @@ msgstr "Routes IPv4 statiques"
 msgid "Static IPv6 Routes"
 msgstr "Routes IPv6 statiques"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Baux Statiques"
 
@@ -5223,7 +5242,7 @@ msgstr "Routes statiques"
 msgid "Static address"
 msgstr "Adresse statique"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5255,7 +5274,7 @@ msgstr "Arrêter"
 msgid "Stop refresh"
 msgstr "Arrêter le rafraîchissement"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Ordre strict"
 
@@ -5268,11 +5287,11 @@ msgstr "Forte"
 msgid "Submit"
 msgstr "Soumettre"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Supprimer la journalisation"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 "Supprimer la journalisation du fonctionnement de routine de ces protocoles"
@@ -5331,7 +5350,7 @@ msgstr "Synchroniser avec le navigateur"
 msgid "System"
 msgstr "Système"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Journal système"
@@ -5348,11 +5367,11 @@ msgstr "Taille du tampon du journal système"
 msgid "TCP:"
 msgstr "TCP :"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Paramètres TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Racine du serveur TFTP"
 
@@ -5621,8 +5640,8 @@ msgstr ""
 "Le fichier d'image téléchargé ne contient pas de format pris en charge. "
 "Assurez-vous de choisir le format d'image générique pour votre plate-forme."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5659,7 +5678,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr "Cela ne ressemble pas à un fichier PEM valide"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5705,7 +5724,7 @@ msgstr ""
 "Il s'agit de l'adresse de l'extrémité locale attribuée par le fournisseur de "
 "tunnels, elle se termine habituellement avec <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5752,8 +5771,8 @@ msgstr ""
 "Cette option ne peut pas être utilisée car le package ca-bundle n'est pas "
 "installé."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5887,7 +5906,7 @@ msgid "Unable to dispatch"
 msgstr "Impossible d'envoyer"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Impossible de charger les données du journal:"
 
@@ -5948,7 +5967,7 @@ msgstr "Inconnue"
 msgid "Unknown error (%s)"
 msgstr "Erreur inconnue (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Code d'erreur inconnu"
 
@@ -5972,7 +5991,7 @@ msgstr "Clé sans nom"
 msgid "Unsaved Changes"
 msgstr "Changements non appliqués"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Erreur non spécifiée"
 
@@ -6044,7 +6063,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Temps de service"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Utilisez <code>/etc/ethers</code>"
 
@@ -6163,7 +6182,7 @@ msgstr "Utiliser des certificats système"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Utiliser des certificats système pour le tunnel intérieur"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6399,7 +6418,7 @@ msgstr "Le réseau Wi-Fi est désactivé"
 msgid "Wireless network is enabled"
 msgstr "Le réseau Wi-Fi est activé"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Écrire les requêtes DNS reçues dans syslog"
 
@@ -6407,7 +6426,7 @@ msgstr "Écrire les requêtes DNS reçues dans syslog"
 msgid "Write system log to file"
 msgstr "Écrire les log systèmes dans un fichier"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Oui"
@@ -6457,7 +6476,7 @@ msgstr "Paramètres ZRam"
 msgid "ZRam Size"
 msgstr "Taille ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "tous"
 
@@ -6552,14 +6571,14 @@ msgstr "désactivé"
 msgid "driver default"
 msgstr "pilote par défaut"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "expiré"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6621,7 +6640,7 @@ msgstr "clé avec entre 8 et 63 caractères"
 msgid "key with either 5 or 13 characters"
 msgstr "clé avec 5 ou 13 caractères"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "fichier local <abbr title = \"Domain Name System\"> DNS </abbr>"
 
@@ -6649,7 +6668,7 @@ msgstr "pas de lien"
 msgid "non-empty value"
 msgstr "valeur non vide"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "Aucun"
 
@@ -6757,15 +6776,15 @@ msgstr "valeur unique"
 msgid "unknown"
 msgstr "inconnu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "non limité"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6787,7 +6806,8 @@ msgid "untagged"
 msgstr "non marqué"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "adresse IP valide"
 
@@ -6800,7 +6820,7 @@ msgid "valid IPv4 CIDR"
 msgstr "CIDR IPv4 valide"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "adresse IPv4 valide"
 
@@ -6829,7 +6849,7 @@ msgid "valid IPv6 CIDR"
 msgstr "CIDR IPv6 valide"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "adresse IPv6 valide"
 
@@ -6889,9 +6909,9 @@ msgstr "hôte:port valide"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "nom d'hôte valide"
 
@@ -6917,7 +6937,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "port ou plage de ports valide (port1-port2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "valeur de port valide"
 
diff --git a/modules/luci-base/po/he/base.po b/modules/luci-base/po/he/base.po
index 01c0007433..05a7081641 100644
--- a/modules/luci-base/po/he/base.po
+++ b/modules/luci-base/po/he/base.po
@@ -57,8 +57,8 @@ msgid "-- Additional Field --"
 msgstr "-- שדה נוסף --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -147,15 +147,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> יציאת שאילתא"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> יציאת שרת"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -165,7 +165,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "כתובות <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -189,7 +189,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -201,27 +201,27 @@ msgstr "הגדרות <abbr title=\"Light Emitting Diode\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "שם <abbr title=\"Light Emitting Diode\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "כתובת-<abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -358,11 +358,11 @@ msgstr "הרשאות DHCPv6 פעילות"
 msgid "Ad-Hoc"
 msgstr "אד-הוק"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -403,7 +403,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 #, fuzzy
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "הוסף דומיין מקומי לשמות המוגשים מהקבצים של המארח"
@@ -417,11 +417,11 @@ msgstr "הוסף ממשק חדש..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "קבצי מארח נוספים"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 msgid "Administration"
 msgstr "מנהלה"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -478,17 +478,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -513,7 +513,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "אפשר רשומים בלבד"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 #, fuzzy
 msgid "Allow localhost"
 msgstr "אפשר localhost"
@@ -530,7 +530,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -549,6 +549,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -703,7 +707,7 @@ msgstr "אימות"
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "מוסמך"
 
@@ -838,7 +842,7 @@ msgstr ""
 "המסומנים ב opkg ׁOpen PacKaGe Managementׂ, קבצי בסיס חיוניים ותבניות הגיבוי "
 "המוגדרות ע\"י המשתמש."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -858,7 +862,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1102,7 +1106,7 @@ msgstr "אוסף מידע..."
 msgid "Command"
 msgstr "פקודה"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1158,7 +1162,7 @@ msgstr "מחובר"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1262,7 +1266,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "שרת DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP ו- DNS"
@@ -1298,7 +1302,7 @@ msgstr ""
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1306,11 +1310,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1391,10 +1395,10 @@ msgstr ""
 "הגדר אפשרויות DHCP נוספות, למשל \"<code>6,192.168.2.1,192.168.2.2</code>\" "
 "אשר מציגות שרתי DNS שונים ללקוח"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1534,7 +1538,7 @@ msgstr ""
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1549,7 +1553,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1566,7 +1571,7 @@ msgstr ""
 msgid "Distance to farthest network member in meters."
 msgstr "מרחק לנק' הרשת הרחוקה ביותר במטרים"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1574,15 +1579,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1602,11 +1607,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1614,7 +1619,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1636,7 +1641,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1679,9 +1684,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1757,7 +1762,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "אפשר שרת TFTP"
 
@@ -1878,11 +1883,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1891,13 +1896,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1974,7 +1980,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1983,11 +1989,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2034,7 +2040,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2158,7 +2164,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2205,8 +2211,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2275,7 +2281,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2578,7 +2584,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2586,7 +2592,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2754,11 +2760,11 @@ msgstr "מספר VLAN שגוי! רק ערכים בין %d לבין %d הם חו�
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2884,7 +2890,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2896,7 +2902,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2921,11 +2927,11 @@ msgstr ""
 msgid "Limit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2949,7 +2955,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2977,15 +2983,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2997,7 +3003,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3042,7 +3048,7 @@ msgstr "כתובת IPv4 מקומית"
 msgid "Local IPv6 address"
 msgstr "כתובת IPv6 מקומית"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3055,31 +3061,31 @@ msgstr ""
 msgid "Local Time"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "שרת מקומי"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3091,7 +3097,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3202,15 +3208,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3263,7 +3269,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3340,7 +3346,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3429,7 +3435,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3461,7 +3467,7 @@ msgstr ""
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3482,7 +3488,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3511,7 +3517,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3535,7 +3541,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3585,7 +3591,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3623,7 +3629,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3635,7 +3641,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3682,7 +3688,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3718,6 +3724,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4081,7 +4096,7 @@ msgstr ""
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4171,7 +4186,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4241,7 +4256,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4308,7 +4323,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4326,7 +4341,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4410,7 +4425,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4468,7 +4483,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4519,15 +4534,15 @@ msgstr ""
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4574,7 +4589,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4673,7 +4688,7 @@ msgstr ""
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4689,6 +4704,10 @@ msgstr ""
 msgid "Save & Apply"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4742,7 +4761,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4848,7 +4867,7 @@ msgstr ""
 msgid "Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4984,7 +5003,7 @@ msgstr "ניתובי IPv4 סטטיים"
 msgid "Static IPv6 Routes"
 msgstr "ניתובי IPv6 סטטיים"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "הקצאות סטטיות"
 
@@ -4998,7 +5017,7 @@ msgstr "ניתובים סטטיים"
 msgid "Static address"
 msgstr "כתובת סטטית"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5029,7 +5048,7 @@ msgstr "עצור"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5042,11 +5061,11 @@ msgstr ""
 msgid "Submit"
 msgstr "שלח"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5102,7 +5121,7 @@ msgstr ""
 msgid "System"
 msgstr ""
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr ""
@@ -5119,11 +5138,11 @@ msgstr ""
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "הגדרות TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5341,8 +5360,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5374,7 +5393,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5407,7 +5426,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5443,8 +5462,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5575,7 +5594,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5636,7 +5655,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5660,7 +5679,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5727,7 +5746,7 @@ msgstr ""
 msgid "Uptime"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5846,7 +5865,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6065,7 +6084,7 @@ msgstr "רשת אלחוטית מנוטרלת"
 msgid "Wireless network is enabled"
 msgstr "רשת אלחוטית מאופשרת"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6073,7 +6092,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6115,7 +6134,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "כלשהו"
 
@@ -6210,14 +6229,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6277,7 +6296,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6305,7 +6324,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "ללא"
 
@@ -6413,15 +6432,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "ללא הגבלה"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6443,7 +6462,8 @@ msgid "untagged"
 msgstr "לא מתויג"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6456,7 +6476,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6485,7 +6505,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6545,9 +6565,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6573,7 +6593,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/hi/base.po b/modules/luci-base/po/hi/base.po
index 9a966cd948..8ef753f211 100644
--- a/modules/luci-base/po/hi/base.po
+++ b/modules/luci-base/po/hi/base.po
@@ -54,8 +54,8 @@ msgid "-- Additional Field --"
 msgstr "अतिरिक्त अनुभाग"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -144,15 +144,15 @@ msgstr "802.11 पुन: प्रयास काल समापन"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -162,7 +162,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr ""
 
@@ -179,14 +179,13 @@ msgstr "<abbr title=\"इंटरनेट प्रोटोकॉल सं�
 msgid ""
 "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Address or Network "
 "(CIDR)"
-msgstr ""
-"<abbr title=\"इंटरनेट प्रोटोकॉल संस्करण 6\">IPv6</abbr>-पता या नेटवर्क (CIDR)"
+msgstr "<abbr title=\"इंटरनेट प्रोटोकॉल संस्करण 6\">IPv6</abbr>-पता या नेटवर्क (CIDR)"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:42
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"इंटरनेट प्रोटोकॉल संस्करण 6\">IPv6</abbr>-गेटवे"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -198,27 +197,27 @@ msgstr ""
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -351,11 +350,11 @@ msgstr "सक्रिय DHCPv6 पट्टों"
 msgid "Ad-Hoc"
 msgstr "तदर्थ"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -396,7 +395,7 @@ msgstr "दृष्टांत जोड़ें"
 msgid "Add key"
 msgstr "चाबी जोड़ें"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -409,11 +408,11 @@ msgstr ""
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -439,7 +438,7 @@ msgstr ""
 msgid "Administration"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -468,17 +467,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -502,7 +501,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -518,7 +517,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -537,6 +536,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -689,7 +692,7 @@ msgstr ""
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr ""
 
@@ -821,7 +824,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -841,7 +844,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1084,7 +1087,7 @@ msgstr ""
 msgid "Command"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1140,7 +1143,7 @@ msgstr ""
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1242,7 +1245,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr ""
@@ -1278,7 +1281,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1286,11 +1289,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1369,10 +1372,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1512,7 +1515,7 @@ msgstr ""
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1527,7 +1530,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1544,7 +1548,7 @@ msgstr ""
 msgid "Distance to farthest network member in meters."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1552,15 +1556,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1580,11 +1584,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1592,7 +1596,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1614,7 +1618,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1655,9 +1659,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1733,7 +1737,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1854,11 +1858,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1867,13 +1871,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1950,7 +1955,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1959,11 +1964,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2010,7 +2015,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2134,7 +2139,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2181,8 +2186,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2251,7 +2256,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2554,7 +2559,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2562,7 +2567,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2730,11 +2735,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2860,7 +2865,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2872,7 +2877,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2897,11 +2902,11 @@ msgstr ""
 msgid "Limit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2925,7 +2930,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2953,15 +2958,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2973,7 +2978,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3018,7 +3023,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3031,31 +3036,31 @@ msgstr ""
 msgid "Local Time"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3067,7 +3072,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3178,15 +3183,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3239,7 +3244,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3316,7 +3321,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3405,7 +3410,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3437,7 +3442,7 @@ msgstr ""
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3458,7 +3463,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3487,7 +3492,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3511,7 +3516,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3561,7 +3566,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3599,7 +3604,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3611,7 +3616,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3658,7 +3663,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3694,6 +3699,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4057,7 +4071,7 @@ msgstr ""
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4147,7 +4161,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4217,7 +4231,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4284,7 +4298,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4302,7 +4316,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4386,7 +4400,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4444,7 +4458,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4495,15 +4509,15 @@ msgstr ""
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4550,7 +4564,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4649,7 +4663,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4665,6 +4679,10 @@ msgstr ""
 msgid "Save & Apply"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4718,7 +4736,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4824,7 +4842,7 @@ msgstr ""
 msgid "Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4958,7 +4976,7 @@ msgstr ""
 msgid "Static IPv6 Routes"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -4972,7 +4990,7 @@ msgstr ""
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5000,7 +5018,7 @@ msgstr ""
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5013,11 +5031,11 @@ msgstr ""
 msgid "Submit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5073,7 +5091,7 @@ msgstr ""
 msgid "System"
 msgstr ""
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr ""
@@ -5090,11 +5108,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5312,8 +5330,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5345,7 +5363,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5378,7 +5396,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5414,8 +5432,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5545,7 +5563,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5606,7 +5624,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5630,7 +5648,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5697,7 +5715,7 @@ msgstr ""
 msgid "Uptime"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5816,7 +5834,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6035,7 +6053,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6043,7 +6061,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6085,7 +6103,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6180,14 +6198,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6247,7 +6265,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6275,7 +6293,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6383,15 +6401,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6413,7 +6431,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6426,7 +6445,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6455,7 +6474,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6515,9 +6534,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6543,7 +6562,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/hu/base.po b/modules/luci-base/po/hu/base.po
index d92d2c3ff2..e74145ab46 100644
--- a/modules/luci-base/po/hu/base.po
+++ b/modules/luci-base/po/hu/base.po
@@ -57,8 +57,8 @@ msgid "-- Additional Field --"
 msgstr "-- További mező --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -150,15 +150,15 @@ msgstr "802.11w újrapróbálás időkorlátja"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> lekérdezési port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr>-kiszolgáló portja"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -170,7 +170,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-cím"
 
@@ -195,7 +195,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-átjáró"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-utótag (hex)"
 
@@ -207,15 +207,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> beállítása"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> neve"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-cím"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -223,7 +223,7 @@ msgstr ""
 "<abbr title=\"maximal\">Legnagyobb</abbr> <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr> bérletek"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -231,7 +231,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> csomagméret"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">Legtöbb</abbr> egyidejű lekérdezés"
 
@@ -368,11 +368,11 @@ msgstr "Aktív DHCPv6 bérletek"
 msgid "Ad-Hoc"
 msgstr "Eseti"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -413,7 +413,7 @@ msgstr "Példány hozzáadása"
 msgid "Add key"
 msgstr "Kulcs hozzáadása"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Helyi tartományutótag hozzáadása a hosts fájlokból kiszolgált nevekhez"
 
@@ -426,11 +426,11 @@ msgstr "Új csatoló hozzáadása…"
 msgid "Add peer"
 msgstr "Partner hozzáadása"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "További gépek fájljai"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "További kiszolgálók fájlja"
 
@@ -456,7 +456,7 @@ msgstr "Cím a helyi átjátszóhíd eléréséhez"
 msgid "Administration"
 msgstr "Adminisztráció"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -485,18 +485,18 @@ msgstr "Álnév csatoló"
 msgid "Alias of \"%s\""
 msgstr "„%s” álneve"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Összes kiszolgáló"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 "IP-címek lefoglalása sorrendben, kezdve a legalacsonyabb elérhető címtől"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "IP lefoglalása egymás után"
 
@@ -523,7 +523,7 @@ msgstr "Örökölt 802.11b sebességek engedélyezése"
 msgid "Allow listed only"
 msgstr "Csak a felsoroltak engedélyezése"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Localhost engedélyezése"
 
@@ -541,7 +541,7 @@ msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 "Engedélyezés a <em>root</em> felhasználónak, hogy jelszóval jelentkezzen be"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -565,6 +565,10 @@ msgstr ""
 "átfedi. Ennek a beállításnak a használata nem felel meg az IEEE 802.11n-2009 "
 "előírásainak!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -725,7 +729,7 @@ msgstr "Hitelesítés"
 msgid "Authentication Type"
 msgstr "Hitelesítés típusa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Hiteles"
 
@@ -861,7 +865,7 @@ msgstr ""
 "alapvető fájlokból, valamint a felhasználó által meghatározott biztonsági "
 "mentés mintákból áll."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -883,7 +887,7 @@ msgstr "Az alagút kötése ehhez a csatolóhoz (elhagyható)."
 msgid "Bitrate"
 msgstr "Bitsebesség"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Hamis NX-tartomány felülbírálása"
 
@@ -1151,7 +1155,7 @@ msgstr "Adatok összegyűjtése…"
 msgid "Command"
 msgstr "Parancs"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Parancs rendben"
 
@@ -1212,7 +1216,7 @@ msgstr "Kapcsolódva"
 msgid "Connection attempt failed"
 msgstr "Kapcsolódási kísérlet sikertelen"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "A kapcsolat elveszett"
 
@@ -1322,7 +1326,7 @@ msgstr "DAE-titok"
 msgid "DHCP Server"
 msgstr "DHCP kiszolgáló"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP és DNS"
@@ -1358,7 +1362,7 @@ msgstr "DHCPv6-szolgáltatás"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNS továbbítások"
 
@@ -1366,11 +1370,11 @@ msgstr "DNS továbbítások"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-címke / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC ellenőrzés előjel nélkül"
 
@@ -1452,10 +1456,10 @@ msgstr ""
 "„<code>6,192.168.2.1,192.168.2.2</code>”, amely különböző DNS-kiszolgálókat "
 "hirdet az ügyfelek részére."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1597,7 +1601,7 @@ msgstr "Letiltva"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Hozzárendelés megszüntetése alacsony nyugtázásnál"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Külső RFC1918 válaszok elvetése"
 
@@ -1612,7 +1616,8 @@ msgstr "Leválasztás"
 msgid "Disconnection attempt failed"
 msgstr "Leválasztási kísérlet sikertelen"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1629,7 +1634,7 @@ msgstr "Távolság optimalizáció"
 msgid "Distance to farthest network member in meters."
 msgstr "A hálózat legtávolabbi tagjának távolsága méterben."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1641,18 +1646,18 @@ msgstr ""
 "továbbító <abbr title=\"Network Address Translation\">NAT</abbr> tűzfalak "
 "számára"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Ne gyorsítótárazza a negatív válaszokat, például nem létező tartományoknál"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Ne továbbítsa azokat a kéréseket, amelyeket nem tudnak megválaszolni a "
 "nyilvános névkiszolgálók"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Ne továbbítson fordított keresési kéréseket a helyi hálózathoz"
 
@@ -1672,11 +1677,11 @@ msgstr "Valóban törölni szeretné az összes beállítást?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Valóban törölni szeretné rekurzívan a(z) „%s” könyvtárat?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Tartomány szükséges"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Tartomány fehérlista"
 
@@ -1684,7 +1689,7 @@ msgstr "Tartomány fehérlista"
 msgid "Don't Fragment"
 msgstr "Ne tördeljen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1708,7 +1713,7 @@ msgstr "Az mtdblock letöltése"
 msgid "Downstream SNR offset"
 msgstr "Belső SNR eltolás"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Húzza az átrendezéshez"
 
@@ -1755,9 +1760,9 @@ msgstr "EA-bitek hossza"
 msgid "EAP-Method"
 msgstr "EAP módszer"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1837,7 +1842,7 @@ msgstr "NTP-ügyfél engedélyezése"
 msgid "Enable Single DES"
 msgstr "Egyszeres DES engedélyezése"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "TFTP kiszolgáló engedélyezése"
 
@@ -1960,11 +1965,11 @@ msgstr "Ethernet adapter"
 msgid "Ethernet Switch"
 msgstr "Ethernet kapcsoló"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Csatolók kizárása"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Gépek kinyitása"
 
@@ -1973,13 +1978,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Hexadecimális hozzárendelési tipp várt"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Elvárás: %s"
 
@@ -2058,7 +2064,7 @@ msgstr "A fájl nem érhető el"
 msgid "Filename"
 msgstr "Fájlnév"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Az ügyfeleknek meghirdetett rendszerindító lemezkép fájlneve"
 
@@ -2067,11 +2073,11 @@ msgstr "Az ügyfeleknek meghirdetett rendszerindító lemezkép fájlneve"
 msgid "Filesystem"
 msgstr "Fájlrendszer"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Személyes szűrése"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Használhatatlan szűrése"
 
@@ -2120,7 +2126,7 @@ msgstr "Firmware fájl"
 msgid "Firmware Version"
 msgstr "Firmware verziója"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Rögzített forrásport a kimenő DNS-lekérdezéseknél"
 
@@ -2248,7 +2254,7 @@ msgstr "Az átjáró címe érvénytelen"
 msgid "Gateway metric"
 msgstr "Átjáró mérőszáma"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2296,8 +2302,8 @@ msgstr "Globális hálózati beállítások"
 msgid "Go to password configuration..."
 msgstr "Ugrás a jelszóbeállításhoz…"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2369,7 +2375,7 @@ msgid "Host-Uniq tag content"
 msgstr "Egyedi gépcímketartalom"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2684,7 +2690,7 @@ msgstr ""
 "cserehelyeszköz nem érhető el akkora adatsebességgel, mint a <abbr title="
 "\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Az <code>/etc/hosts</code> mellőzése"
 
@@ -2692,7 +2698,7 @@ msgstr "Az <code>/etc/hosts</code> mellőzése"
 msgid "Ignore interface"
 msgstr "Csatoló mellőzése"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "A feloldási fájl figyelmen kívül hagyása"
 
@@ -2869,11 +2875,11 @@ msgstr ""
 "Érvénytelen VLAN-azonosító lett megadva! Csak egyedi azonosítók "
 "engedélyezettek"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Érvénytelen argumentum"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Érvénytelen parancs"
 
@@ -3001,7 +3007,7 @@ msgstr "Késleltetés"
 msgid "Leaf"
 msgstr "Levél"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Bérleti idő"
@@ -3013,7 +3019,7 @@ msgstr "Bérleti idő"
 msgid "Lease time remaining"
 msgstr "A bérletből hátralévő idő"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Bérletfájl"
 
@@ -3038,13 +3044,13 @@ msgstr "Jelmagyarázat:"
 msgid "Limit"
 msgstr "Korlát"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "DNS-szolgáltatás korlátozása azokra az alhálózati csatolókra, amelyeken DNS-"
 "t szolgálunk ki."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Figyelés korlátozása ezekre a csatolókra és a visszacsatolásra."
 
@@ -3068,7 +3074,7 @@ msgstr "Vonal működési ideje"
 msgid "Link On"
 msgstr "Kapcsolat létrehozva"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3109,15 +3115,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "SSH kulcsfájlok listája a hitelesítéshez"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Tartományok listája, amelyeknél az RFC1918 válaszok engedélyezettek"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Gépek listája, amelyek hamis NX-tartomány eredményeket szolgáltatnak"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Figyelési csatolók"
 
@@ -3129,7 +3135,7 @@ msgstr "Fogadó port"
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "Figyelés csak a megadott csatolón, vagy az összesen, ha nincs megadva"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Port figyelése a bejövő DNS-lekérdezésekhez"
 
@@ -3174,7 +3180,7 @@ msgstr "Helyi IPv4-cím"
 msgid "Local IPv6 address"
 msgstr "Helyi IPv6-cím"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Csak helyi szolgáltatás"
 
@@ -3187,11 +3193,11 @@ msgstr "Helyi indítás"
 msgid "Local Time"
 msgstr "Helyi idő"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Helyi tartomány"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3199,17 +3205,17 @@ msgstr ""
 "Helyi tartomány meghatározása. Az ezzel a tartománnyal egyező nevek soha sem "
 "lesznek továbbítva és csak DHCP-n vagy host fájlok által kerülnek feloldásra"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "A DHCP nevekhez és a hosts fájl bejegyzéseihez hozzáfűzött helyi "
 "tartományutótagok"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Helyi kiszolgáló"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3217,7 +3223,7 @@ msgstr ""
 "Gépnév behatárolása a lekérdező alhálózattól függően, ha több IP-cím is "
 "elérhető"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Lekérdezések behatárolása"
 
@@ -3229,7 +3235,7 @@ msgstr "Zárolás a BSSID-hoz"
 msgid "Log output level"
 msgstr "Napló kimeneti szintje"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Lekérdezések naplózása"
 
@@ -3342,15 +3348,15 @@ msgstr "Legnagyobb elérhető adatsebesség (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Legnagyobb engedélyezett figyelési időköz"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Aktív DHCP bérletek legnagyobb megengedett száma"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Egyidejű DNS-lekérdezések legnagyobb megengedett száma"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "EDNS.0 UDP csomagok legnagyobb megengedett mérete"
 
@@ -3403,7 +3409,7 @@ msgstr "Hálóazonosító"
 msgid "Mesh Id"
 msgstr "Hálóazonosító"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Nem található módszer"
 
@@ -3480,7 +3486,7 @@ msgstr "Megfigyelés"
 msgid "More Characters"
 msgstr "Több karakter"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Több…"
 
@@ -3571,7 +3577,7 @@ msgstr "NT-tartomány"
 msgid "NTP server candidates"
 msgstr "NTP-kiszolgáló jelöltek"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3603,7 +3609,7 @@ msgstr "Hálózat"
 msgid "Network Utilities"
 msgstr "Hálózati segédprogramok"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Hálózati rendszerindító lemezkép"
 
@@ -3624,7 +3630,7 @@ msgstr "Új csatolónév…"
 msgid "Next »"
 msgstr "Következő »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Nem"
@@ -3653,7 +3659,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Nem érkezett adat"
 
@@ -3677,7 +3683,7 @@ msgstr "Nincs elérhető információ"
 msgid "No matching prefix delegation"
 msgstr "Nincs egyező előtag-delegálás"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Nincs negatív gyorsítótár"
 
@@ -3727,7 +3733,7 @@ msgstr "Zaj:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Nem megelőző CRC-hibák (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Nincs helyettesítő karakter"
 
@@ -3765,7 +3771,7 @@ msgstr "Nincs jelen"
 msgid "Not started on boot"
 msgstr "Nincs elindítva rendszerindításkor"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Nem támogatott"
 
@@ -3777,7 +3783,7 @@ msgstr "Figyelmeztetés"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Gyorsítótárazott DNS-bejegyzések száma (legfeljebb 10000, 0 megadásakor "
@@ -3826,7 +3832,7 @@ msgstr "Kapcsolatkori útválasztás"
 msgid "On-State Delay"
 msgstr "Állapotkori késleltetés"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "A gépnév vagy a MAC-cím egyikét meg kell adni!"
 
@@ -3862,6 +3868,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Működési gyakoriság"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Beállítás megváltoztatva"
@@ -4241,7 +4256,7 @@ msgstr "Újraindítás végrehajtása"
 msgid "Perform reset"
 msgstr "Visszaállítás végrehajtása"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Hozzáférés megtagadva"
 
@@ -4333,7 +4348,7 @@ msgstr ""
 "A partner halottnak tekintése a megadott mennyiségű LCP visszhang hibák "
 "után. Használjon 0 értéket a hibák figyelmen kívül hagyásához"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Figyelés megakadályozása ezeken a csatolókon."
 
@@ -4410,7 +4425,7 @@ msgstr "QMI sejtes"
 msgid "Quality"
 msgstr "Minőség"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4481,7 +4496,7 @@ msgstr ""
 "Nyers hexadecimális kódolású bájtok. Hagyja üresen, hacsak az internet-"
 "szolgáltatója nem követelni meg"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4501,7 +4516,7 @@ msgstr "Valós idejű grafikonok"
 msgid "Reassociation Deadline"
 msgstr "Újratársítás határideje"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Újrakötési védelem"
 
@@ -4585,7 +4600,7 @@ msgstr "IPv6-cím kérése"
 msgid "Request IPv6-prefix of length"
 msgstr "Kért IPv6-előtag vagy hossz"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Kérés időkorlátja"
 
@@ -4650,7 +4665,7 @@ msgstr ""
 "A wpad/hostapd „teljes” verzióját igényli és támogatást a Wi-Fi "
 "illesztőprogramtól<br />(2019. januárjától: ath9k, ath10k, mwlwifi és mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4703,15 +4718,15 @@ msgstr "Számlálók nullázása"
 msgid "Reset to defaults"
 msgstr "Visszaállítás az alapértelmezettekre"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Resolv és hosts fájlok"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Fájl feloldása"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Az erőforrás nem található"
 
@@ -4758,7 +4773,7 @@ msgstr "A kérés visszavonása meghiúsult <code>%h</code> állapotkóddal"
 msgid "Reverting configuration…"
 msgstr "Beállítás visszaállítása…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "TFTP-n keresztül kiszolgált fájlok gyökérkönyvtára"
 
@@ -4859,7 +4874,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4875,6 +4890,10 @@ msgstr "Mentés"
 msgid "Save & Apply"
 msgstr "Mentés és alkalmazás"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Az mtdblock mentése"
@@ -4933,7 +4952,7 @@ msgstr ""
 "LCP visszhang kérések küldése a másodpercben megadott időközönként, csak "
 "hibaküszöbszinttel együtt van hatása"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Kiszolgáló beállításai"
 
@@ -5042,7 +5061,7 @@ msgstr "Jel:"
 msgid "Size"
 msgstr "Méret"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "A DNS lekérdezési gyorsítótár mérete"
 
@@ -5191,7 +5210,7 @@ msgstr "Statikus IPv4 útvonalak"
 msgid "Static IPv6 Routes"
 msgstr "Statikus IPv6-útvonalak"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Statikus bérletek"
 
@@ -5205,7 +5224,7 @@ msgstr "Statikus útvonalak"
 msgid "Static address"
 msgstr "Statikus cím"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5237,7 +5256,7 @@ msgstr "Leállítás"
 msgid "Stop refresh"
 msgstr "Frissítés leállítása"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Szigorú sorrend"
 
@@ -5250,11 +5269,11 @@ msgstr "Erős"
 msgid "Submit"
 msgstr "Elküldés"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Naplózás elnyomása"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Ezen protokollok rutinműveletei naplózásának elnyomása"
 
@@ -5312,7 +5331,7 @@ msgstr "Szinkronizálás a böngészővel"
 msgid "System"
 msgstr "Rendszer"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Rendszernapló"
@@ -5329,11 +5348,11 @@ msgstr "Rendszernapló-puffer mérete"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP beállítások"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP-kiszolgáló gyökere"
 
@@ -5598,8 +5617,8 @@ msgstr ""
 "A feltöltött lemezképfájl nem tartalmaz támogatott formátumot. Győződjön meg "
 "arról, hogy az általános lemezképformátumot választotta-e ki a platformjához."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5633,7 +5652,7 @@ msgstr "Ez a hitelesítéstípus nem alkalmazható a kijelölt EAP módszerhez."
 msgid "This does not look like a valid PEM file"
 msgstr "Ez nem tűnik érvényes PEM fájlnak"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5679,7 +5698,7 @@ msgstr ""
 "Ez az alagút-közvetítő által hozzárendelt helyi végpont címe, amely "
 "általában így végződik: <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5726,8 +5745,8 @@ msgstr ""
 "Ezt a beállítást nem lehet használni, mert a ca-bundle csomag nincs "
 "telepítve."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5861,7 +5880,7 @@ msgid "Unable to dispatch"
 msgstr "Nem lehet elküldeni"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Nem lehet betölteni a naplóadatokat:"
 
@@ -5922,7 +5941,7 @@ msgstr "Ismeretlen"
 msgid "Unknown error (%s)"
 msgstr "Ismeretlen hiba (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Ismeretlen hibakód"
 
@@ -5946,7 +5965,7 @@ msgstr "Névtelen kulcs"
 msgid "Unsaved Changes"
 msgstr "Mentetlen változtatások"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Meghatározatlan hiba"
 
@@ -6018,7 +6037,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Működési idő"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "<code>/etc/ethers</code> használata"
 
@@ -6137,7 +6156,7 @@ msgstr "Rendszertanúsítványok használata"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Rendszertanúsítványok használata a belső alagútnál"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6374,7 +6393,7 @@ msgstr "Vezeték nélküli hálózat letiltva"
 msgid "Wireless network is enabled"
 msgstr "Vezeték nélküli hálózat engedélyezve"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Fogadott DNS-kérések írása a rendszernaplóba"
 
@@ -6382,7 +6401,7 @@ msgstr "Fogadott DNS-kérések írása a rendszernaplóba"
 msgid "Write system log to file"
 msgstr "Rendszernapló írása fájlba"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Igen"
@@ -6433,7 +6452,7 @@ msgstr "ZRam beállítások"
 msgid "ZRam Size"
 msgstr "ZRam mérete"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "bármely"
 
@@ -6528,14 +6547,14 @@ msgstr "letiltva"
 msgid "driver default"
 msgstr "illesztőprogram alapértelmezettje"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "lejárt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6597,7 +6616,7 @@ msgstr "8 és 63 karakter közötti kulcs"
 msgid "key with either 5 or 13 characters"
 msgstr "kulcs 5 vagy 13 karakterrel"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "helyi <abbr title=\"Domain Name System\">DNS</abbr>-fájl"
 
@@ -6625,7 +6644,7 @@ msgstr "nincs kapcsolat"
 msgid "non-empty value"
 msgstr "nem üres érték"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "nincs"
 
@@ -6733,15 +6752,15 @@ msgstr "egyedi érték"
 msgid "unknown"
 msgstr "ismeretlen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "korlátlan"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6763,7 +6782,8 @@ msgid "untagged"
 msgstr "címkézetlen"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "érvényes IP-cím"
 
@@ -6776,7 +6796,7 @@ msgid "valid IPv4 CIDR"
 msgstr "érvényes IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "érvényes IPv4-cím"
 
@@ -6805,7 +6825,7 @@ msgid "valid IPv6 CIDR"
 msgstr "érvényes IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "érvényes IPv6-cím"
 
@@ -6865,9 +6885,9 @@ msgstr "érvényes gép:port"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "érvényes gépnév"
 
@@ -6893,7 +6913,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "érvényes port vagy porttartomány (port1-port2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "érvényes portérték"
 
diff --git a/modules/luci-base/po/it/base.po b/modules/luci-base/po/it/base.po
index 11c21f26dc..ac84099220 100644
--- a/modules/luci-base/po/it/base.po
+++ b/modules/luci-base/po/it/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Campo Aggiuntivo --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -149,15 +149,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "Porta di richiesta <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Porta Server <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -169,7 +169,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Indirizzo <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -195,7 +195,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Gateway <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -207,15 +207,15 @@ msgstr "Configurazione <abbr title=\"Diodo ad Emissione di Luce\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nome del <abbr title=\"Diodo ad Emissione di Luce\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Indirizzo <abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -223,7 +223,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> lease <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -231,7 +231,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> dimensione pacchetti <abbr title="
 "\"Extension Mechanisms for Domain Name System\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "Numero <abbr title=\"maximal\">max.</abbr> richieste simultanee"
 
@@ -368,11 +368,11 @@ msgstr "Lease DHCPv6 attivi"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -413,7 +413,7 @@ msgstr "Aggiungi istanza"
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Aggiungi il suffisso di dominio locale ai nomi serviti dal file hosts"
 
@@ -426,11 +426,11 @@ msgstr "Aggiungi nuova interfaccia..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "File Hosts aggiuntivo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -456,7 +456,7 @@ msgstr "Indirizzo per accedere al bridge locale di trasmissione"
 msgid "Administration"
 msgstr "Amministrazione"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -485,17 +485,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Tutti i server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -521,7 +521,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Consenti solo quelli nell'elenco"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Permetti localhost"
 
@@ -538,7 +538,7 @@ msgstr "Permetti l'accesso a root con password"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Abilita l'accesso all'utente <em>root</em> via password"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -559,6 +559,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -712,7 +716,7 @@ msgstr "Autenticazione"
 msgid "Authentication Type"
 msgstr "Tipo di autenticazione"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritativo"
 
@@ -849,7 +853,7 @@ msgstr ""
 "composto da file di configurazione modificati contrassegnati da opkg, file "
 "di base essenziali e schemi di backup definiti dall'utente."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -869,7 +873,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bitrate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Ignora Dominio Bogus NX"
 
@@ -1123,7 +1127,7 @@ msgstr "Raccolta dati..."
 msgid "Command"
 msgstr "Comando"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1179,7 +1183,7 @@ msgstr "Connesso"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1283,7 +1287,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "Server DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP e DNS"
@@ -1319,7 +1323,7 @@ msgstr ""
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Inoltri DNS"
 
@@ -1327,11 +1331,11 @@ msgstr "Inoltri DNS"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1413,10 +1417,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" fornisce differenti server DNS ai "
 "client."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1558,7 +1562,7 @@ msgstr "Disabilitato"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Scarta risposte RFC1918 upstream"
 
@@ -1573,7 +1577,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1590,7 +1595,7 @@ msgstr "Ottimizzazione Distanza"
 msgid "Distance to farthest network member in meters."
 msgstr "Distanza dal membro più lontano della rete in metri."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1602,17 +1607,17 @@ msgstr ""
 "\">DNS</abbr> per firewall <abbr title=\"Network Address Translation\">NAT</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Non memorizzare le repliche negative, es. per domini non esistenti"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Non inoltrare le richieste che non possono essere risolte dai name server "
 "pubblici"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Non inoltrare ricerche inverse per reti locali"
 
@@ -1632,11 +1637,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Dominio richiesto"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Lista domini consentiti"
 
@@ -1644,7 +1649,7 @@ msgstr "Lista domini consentiti"
 msgid "Don't Fragment"
 msgstr "Non Frammentare"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1668,7 +1673,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1714,9 +1719,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "Metodo EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1792,7 +1797,7 @@ msgstr "Abilita client NTP"
 msgid "Enable Single DES"
 msgstr "Abilita DES Singolo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Abilita server TFTP"
 
@@ -1913,11 +1918,11 @@ msgstr "Scheda di Rete"
 msgid "Ethernet Switch"
 msgstr "Switch di Rete"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Espandi gli hosts"
 
@@ -1926,13 +1931,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -2011,7 +2017,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Nome del file dell'immagine di avvio annunciato ai client"
 
@@ -2020,11 +2026,11 @@ msgstr "Nome del file dell'immagine di avvio annunciato ai client"
 msgid "Filesystem"
 msgstr "Filesystem"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtra privati"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtra inutili"
 
@@ -2071,7 +2077,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Versione Firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Porta di origine fissa per le richieste DNS in uscita"
 
@@ -2195,7 +2201,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2242,8 +2248,8 @@ msgstr "Opzioni di rete globali"
 msgid "Go to password configuration..."
 msgstr "Vai alla configurazione della password..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2314,7 +2320,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2628,7 +2634,7 @@ msgstr ""
 "dispositivo di swap non può essere acceduto alle alte velocità della <abbr "
 "title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignora <code>/etc/hosts</code>"
 
@@ -2636,7 +2642,7 @@ msgstr "Ignora <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignora interfaccia"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignora file resolv"
 
@@ -2805,11 +2811,11 @@ msgstr "ID VLAN non valido! Solo gli ID compresi tra %d e %d sono consentiti."
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "ID VLAN non valido! Solo gli ID unici sono consentiti"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2938,7 +2944,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Tempo di lease"
@@ -2950,7 +2956,7 @@ msgstr "Tempo di lease"
 msgid "Lease time remaining"
 msgstr "Tempo di lease rimanente"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "File di lease"
 
@@ -2975,11 +2981,11 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Limite"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -3003,7 +3009,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Connessione stabilita"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3033,15 +3039,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Elenco di domini per cui consentire risposte RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Elenco di host che forniscono risultati NX domain fasulli"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3053,7 +3059,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "Ascolta solo sull'interfaccia data o, se non specificato, su tutte"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Porta di ascolto per le richieste DNS in entrata"
 
@@ -3098,7 +3104,7 @@ msgstr "Indirizzo IPv4 locale"
 msgid "Local IPv6 address"
 msgstr "Indirizzo IPv6 locale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3111,11 +3117,11 @@ msgstr "Avvio Locale"
 msgid "Local Time"
 msgstr "Ora locale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Dominio Locale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 #, fuzzy
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
@@ -3124,16 +3130,16 @@ msgstr ""
 "Specifiche dominio locale. I nomi di dominio corrispondenti a questi criteri "
 "non sono mai inoltrate e risolti solo da DHCP o file hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Suffisso di dominio locale aggiunto ai nomi dei DHCP e voci del file hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Server Locale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3141,7 +3147,7 @@ msgstr ""
 "Localizzare nome host a seconda della sottorete richiedente se sono "
 "disponibili IP multipli"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localizza richieste"
 
@@ -3153,7 +3159,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Livello di dettaglio registro"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Logga richieste"
 
@@ -3264,15 +3270,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3325,7 +3331,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3402,7 +3408,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3493,7 +3499,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr "Candidati server NTP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3525,7 +3531,7 @@ msgstr "Rete"
 msgid "Network Utilities"
 msgstr "Utilità di Rete"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3546,7 +3552,7 @@ msgstr ""
 msgid "Next »"
 msgstr "Prossimo »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3575,7 +3581,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3599,7 +3605,7 @@ msgstr "Nessuna informazione disponibile"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3649,7 +3655,7 @@ msgstr "Rumore:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3687,7 +3693,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3699,7 +3705,7 @@ msgstr "Notifica"
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3746,7 +3752,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3782,6 +3788,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Opzione cambiata"
@@ -4147,7 +4162,7 @@ msgstr "Esegui un riavvio"
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4237,7 +4252,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4307,7 +4322,7 @@ msgstr ""
 msgid "Quality"
 msgstr "Qualità"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4374,7 +4389,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4394,7 +4409,7 @@ msgstr "Grafici in Tempo Reale"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4478,7 +4493,7 @@ msgstr "Richiede indirizzo-IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Richiede prefisso-IPv6 di lunghezza"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4536,7 +4551,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4587,15 +4602,15 @@ msgstr "Azzera Contatori"
 msgid "Reset to defaults"
 msgstr "Azzera a default"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "File Resolve"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4642,7 +4657,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4743,7 +4758,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4759,6 +4774,10 @@ msgstr "Salva"
 msgid "Save & Apply"
 msgstr "Salva & applica"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4812,7 +4831,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Impostazioni Server"
 
@@ -4918,7 +4937,7 @@ msgstr ""
 msgid "Size"
 msgstr "Dimensione"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -5060,7 +5079,7 @@ msgstr "Instradamento statico IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Instradamento statico IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Contratti statici"
 
@@ -5074,7 +5093,7 @@ msgstr "Instradamenti Statici"
 msgid "Static address"
 msgstr "Indirizzo Statico"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5106,7 +5125,7 @@ msgstr "Arresta"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Ordine severo"
 
@@ -5119,11 +5138,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Invia"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5179,7 +5198,7 @@ msgstr "Sincronizza con il browser"
 msgid "System"
 msgstr "Sistema"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Registro di Sistema"
@@ -5196,11 +5215,11 @@ msgstr "Dimensione Buffer Log di Sistema"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Impostazioni TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Server TFTP principale"
 
@@ -5429,8 +5448,8 @@ msgstr ""
 "The uploaded image file does not contain a supported format. Make sure that "
 "you choose the generic image format for your platform."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5462,7 +5481,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5495,7 +5514,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5537,8 +5556,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5671,7 +5690,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5732,7 +5751,7 @@ msgstr "Sconosciuto"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5756,7 +5775,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Modifiche non salvate"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5823,7 +5842,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Tempo di attività"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Usa <code>/etc/ethers</code>"
 
@@ -5942,7 +5961,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6169,7 +6188,7 @@ msgstr "La rete Wireless è disattivata"
 msgid "Wireless network is enabled"
 msgstr "La rete wireless è attivata"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Scrittura delle richiesta DNS ricevute nel syslog"
 
@@ -6177,7 +6196,7 @@ msgstr "Scrittura delle richiesta DNS ricevute nel syslog"
 msgid "Write system log to file"
 msgstr "Scrivi registro di sistema su file"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6226,7 +6245,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "qualsiasi"
 
@@ -6321,14 +6340,14 @@ msgstr "disabilitato"
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "scaduto"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6390,7 +6409,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "File <abbr title=\"Sistema Nome Dominio\">DNS</abbr> locale"
 
@@ -6418,7 +6437,7 @@ msgstr "Nessun collegamento"
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "nessuna"
 
@@ -6526,15 +6545,15 @@ msgstr ""
 msgid "unknown"
 msgstr "sconosciuto"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "illimitato"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6556,7 +6575,8 @@ msgid "untagged"
 msgstr "non etichettato"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6569,7 +6589,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6598,7 +6618,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6658,9 +6678,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6686,7 +6706,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/ja/base.po b/modules/luci-base/po/ja/base.po
index 5a56129e01..bbe001b05e 100644
--- a/modules/luci-base/po/ja/base.po
+++ b/modules/luci-base/po/ja/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- 追加項目 --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -149,15 +149,15 @@ msgstr "802.11w 再試行タイムアウト"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> クエリポート"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> サーバーポート"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -169,7 +169,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-アドレス"
 
@@ -194,7 +194,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-ゲートウェイ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-サフィックス (16進数)"
@@ -207,15 +207,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 設定"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-アドレス"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -223,7 +223,7 @@ msgstr ""
 "<abbr title=\"maximal\">最大</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> リース"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -231,7 +231,7 @@ msgstr ""
 "<abbr title=\"maximal\">最大</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> パケットサイズ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">最大</abbr> 並列処理クエリ"
 
@@ -365,11 +365,11 @@ msgstr "アクティブなDHCPv6リース"
 msgid "Ad-Hoc"
 msgstr "アドホック"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -410,7 +410,7 @@ msgstr "インスタンスを追加"
 msgid "Add key"
 msgstr "公開鍵を追加"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "hosts ファイルにより解決される名前にローカルドメイン サフィックスを付加しま"
@@ -425,11 +425,11 @@ msgstr "インターフェースの新規作成..."
 msgid "Add peer"
 msgstr "ピアを追加"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "追加のホストファイル"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "追加のサーバー ファイル"
 
@@ -455,7 +455,7 @@ msgstr "ローカル リレーブリッジにアクセスするためのIPアド
 msgid "Administration"
 msgstr "管理画面"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -484,18 +484,18 @@ msgstr "エイリアス インターフェース"
 msgid "Alias of \"%s\""
 msgstr "\"%s\" のエイリアス"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "全てのサーバー"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 "IP アドレスを連続的に並べ、利用可能な最小のアドレスから払い出しを開始します。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "連続 IP"
 
@@ -519,7 +519,7 @@ msgstr "レガシー 802.11b レートを許可"
 msgid "Allow listed only"
 msgstr "リスト内の端末からのアクセスを許可"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "ローカルホストを許可する"
 
@@ -536,7 +536,7 @@ msgstr "パスワードでの root ログインを許可"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "パスワードを使用した <em>root</em> 権限でのログインを許可します。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -559,6 +559,10 @@ msgstr ""
 "セカンダリ チャンネルの重複にかかわらず、常に 40MHz チャンネルを使用します。"
 "このオプションの使用は、 IEEE 802.11n-2009 に準拠しません！"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -718,7 +722,7 @@ msgstr "認証"
 msgid "Authentication Type"
 msgstr "認証タイプ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Authoritative"
 
@@ -853,7 +857,7 @@ msgstr ""
 "よって認識されている設定ファイル、重要なベースファイル、ユーザーが設定したパ"
 "ターンに一致したファイルの一覧です。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -875,7 +879,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "ビットレート"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "偽の NX ドメイン オーバーライド"
 
@@ -1131,7 +1135,7 @@ msgstr "データ収集中です..."
 msgid "Command"
 msgstr "コマンド"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "コマンド OK"
 
@@ -1191,7 +1195,7 @@ msgstr "接続中"
 msgid "Connection attempt failed"
 msgstr "接続の試行が失敗しました"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "接続喪失"
 
@@ -1300,7 +1304,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "DHCPサーバー"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP 及び DNS"
@@ -1336,7 +1340,7 @@ msgstr "DHCPv6-サービス"
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNSフォワーディング"
 
@@ -1344,11 +1348,11 @@ msgstr "DNSフォワーディング"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-ラベル / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC 未署名チェック"
 
@@ -1429,10 +1433,10 @@ msgstr ""
 "追加のDHCPオプションを設定します。（例：\"<code>6,192.168.2.1,192.168.2.2</"
 "code>\" と設定することで、クライアントに指定のDNSサーバーを通知します。）"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1574,7 +1578,7 @@ msgstr "無効"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "低 Acknowledgement 時のアソシエーション解除"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "RFC1918の応答を破棄します"
 
@@ -1589,7 +1593,8 @@ msgstr "切断"
 msgid "Disconnection attempt failed"
 msgstr "切断の試行が失敗しました"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1606,7 +1611,7 @@ msgstr "距離の最適化"
 msgid "Distance to farthest network member in meters."
 msgstr "最も遠い端末との距離（メートル）を設定してください。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1618,16 +1623,16 @@ msgstr ""
 "ウォールの為の <abbr title=\"Domain Name System\">DNS</abbr>フォワーダーを複"
 "合したサービスです。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "無効なリプライをキャッシュしません（例：存在しないドメインからの返答など）"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr "パブリック DNSサーバーが返答できなかったリクエストを転送しません"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "ローカル ネットワークへの逆引きを転送しません"
 
@@ -1647,11 +1652,11 @@ msgstr "本当に全ての設定を消去しますか？"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "本当にディレクトリ \"%s\" を再帰的に削除しますか？"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "ドメイン必須"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "ドメイン ホワイトリスト"
 
@@ -1659,7 +1664,7 @@ msgstr "ドメイン ホワイトリスト"
 msgid "Don't Fragment"
 msgstr "非フラグメント化"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1683,7 +1688,7 @@ msgstr "mtdblock のダウンロード"
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "ドラッグして並び替え"
 
@@ -1729,9 +1734,9 @@ msgstr "EA ビット長"
 msgid "EAP-Method"
 msgstr "EAP メソッド"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1811,7 +1816,7 @@ msgstr "NTPクライアント機能を有効にする"
 msgid "Enable Single DES"
 msgstr "シングルDESの有効化"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "TFTPサーバーを有効にする"
 
@@ -1934,11 +1939,11 @@ msgstr "イーサネットアダプタ"
 msgid "Ethernet Switch"
 msgstr "イーサネットスイッチ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "除外インターフェース"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "拡張ホスト設定"
 
@@ -1947,13 +1952,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "期待される値: 16進数の割り当てヒント"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "期待される値: %s"
 
@@ -2032,7 +2038,7 @@ msgstr ""
 msgid "Filename"
 msgstr "ファイル名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "クライアントに通知するブートイメージのファイル名"
 
@@ -2041,11 +2047,11 @@ msgstr "クライアントに通知するブートイメージのファイル名
 msgid "Filesystem"
 msgstr "ファイルシステム"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "プライベートフィルター"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2094,7 +2100,7 @@ msgstr "ファームウェア ファイル"
 msgid "Firmware Version"
 msgstr "ファームウェア バージョン"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "DNSクエリを送信する送信元ポートを固定します"
 
@@ -2221,7 +2227,7 @@ msgstr "無効なゲートウェイ アドレスです"
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2268,8 +2274,8 @@ msgstr "グローバル ネットワークオプション"
 msgid "Go to password configuration..."
 msgstr "パスワード設定へ移動..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2340,7 +2346,7 @@ msgid "Host-Uniq tag content"
 msgstr "Host-Uniq タグ"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2651,7 +2657,7 @@ msgstr ""
 "Memory\">RAM</abbr>から高速にアクセスすることができないため、データのスワップ"
 "は非常に遅い処理であることに注意します。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "<code>/etc/hosts</code>を無視"
 
@@ -2659,7 +2665,7 @@ msgstr "<code>/etc/hosts</code>を無視"
 msgid "Ignore interface"
 msgstr "インターフェースを無視する"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "リゾルバ ファイルを無視する"
 
@@ -2830,11 +2836,11 @@ msgstr "無効なVLAN IDです! IDは%dから%dまでの値のみ入力可能で
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "無効なVLAN IDです! ユニークなIDを入力してください。"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "無効な引数"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "無効なコマンド"
 
@@ -2963,7 +2969,7 @@ msgstr "レイテンシー"
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "リース時間"
@@ -2975,7 +2981,7 @@ msgstr "リース時間"
 msgid "Lease time remaining"
 msgstr "残りリース時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "リースファイル"
 
@@ -3000,13 +3006,13 @@ msgstr "凡例:"
 msgid "Limit"
 msgstr "割り当て数"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "DNS サービスを、現在 DNS を提供しているサブネットのインターフェースに限定しま"
 "す。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "待ち受けをこれらのインターフェースとループバックに制限します。"
 
@@ -3030,7 +3036,7 @@ msgstr ""
 msgid "Link On"
 msgstr "リンクオン"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3060,15 +3066,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "認証用 SSH暗号キー ファイルのリスト"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "RFC1918の応答を許可するリスト"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "NX ドメインの偽の結果として返されるホストのリストです。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "待ち受けインターフェース"
 
@@ -3082,7 +3088,7 @@ msgstr ""
 "指定されたインターフェースでのみ待ち受けを行います。設定しない場合はすべての"
 "インタフェースが対象です。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "DNSクエリを受信するポート"
 
@@ -3127,7 +3133,7 @@ msgstr "ローカル IPv4 アドレス"
 msgid "Local IPv6 address"
 msgstr "ローカル IPv6 アドレス"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "ローカルサービスのみ"
 
@@ -3140,11 +3146,11 @@ msgstr "ローカル スタートアップ"
 msgid "Local Time"
 msgstr "時刻"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "ローカル ドメイン"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3152,17 +3158,17 @@ msgstr ""
 "ローカル ドメインの定義です。このドメインに一致する名前は転送が行われず、 "
 "DHCP または hosts ファイルのみにより解決されます。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "DHCP名とhostsファイルのエントリーに付される、ローカルドメイン サフィックスで"
 "す。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "ローカル サーバー"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3170,7 +3176,7 @@ msgstr ""
 "複数の IP が利用可能な場合に、ホスト名をリクエスト中のサブネットによってロー"
 "カライズします"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "ローカライズクエリ"
 
@@ -3182,7 +3188,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "ログ出力レベル"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "ログ クエリ"
 
@@ -3295,15 +3301,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr "許容される最大 Listen 間隔"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "DHCPリースの許可される最大数"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "並列DNSクエリの許可される最大数"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "EDNS.0 UDP パケットサイズの許可される最大数"
 
@@ -3356,7 +3362,7 @@ msgstr "メッシュ ID"
 msgid "Mesh Id"
 msgstr "メッシュ ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "メソッドが見つかりません"
 
@@ -3433,7 +3439,7 @@ msgstr "モニター"
 msgid "More Characters"
 msgstr "文字数不足"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "さらに表示…"
 
@@ -3524,7 +3530,7 @@ msgstr "NT ドメイン"
 msgid "NTP server candidates"
 msgstr "NTPサーバー候補"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3556,7 +3562,7 @@ msgstr "ネットワーク"
 msgid "Network Utilities"
 msgstr "ネットワーク ユーティリティ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "ネットワークブート用イメージ"
 
@@ -3577,7 +3583,7 @@ msgstr "新規インターフェース名…"
 msgid "Next »"
 msgstr "次 »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "いいえ"
@@ -3606,7 +3612,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "受信データ無し"
 
@@ -3630,7 +3636,7 @@ msgstr "情報がありません"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "ネガティブキャッシュを行なわない"
 
@@ -3680,7 +3686,7 @@ msgstr "ノイズ:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "非ワイルドカード"
 
@@ -3718,7 +3724,7 @@ msgstr "存在しません"
 msgid "Not started on boot"
 msgstr "システム起動時に開始されません"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "サポートされていません"
 
@@ -3730,7 +3736,7 @@ msgstr "注意"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "キャッシュされる DNS エントリーの数です。（最大 10000 件。 0の場合はキャッ"
@@ -3779,7 +3785,7 @@ msgstr "On-Link ルート"
 msgid "On-State Delay"
 msgstr "点灯時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "1つ以上のホスト名またはMACアドレスを設定してください!"
 
@@ -3815,6 +3821,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "動作周波数"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "変更されるオプション"
@@ -4188,7 +4203,7 @@ msgstr "再起動を実行"
 msgid "Perform reset"
 msgstr "設定リセットを実行"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "パーミッション拒否"
 
@@ -4280,7 +4295,7 @@ msgstr ""
 "設定回数のLCP echo 確認失敗後、ピアノードがダウンしているものと見なします。0"
 "を設定した場合、失敗しても無視します"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "これらのインターフェースでの待ち受けを停止します。"
 
@@ -4354,7 +4369,7 @@ msgstr ""
 msgid "Quality"
 msgstr "クオリティ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4425,7 +4440,7 @@ msgstr ""
 "16 進数でエンコードされた、生のバイト値です。 ISP がこれを必須としない場合、"
 "空欄のままにします。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4445,7 +4460,7 @@ msgstr "リアルタイム グラフ"
 msgid "Reassociation Deadline"
 msgstr "再アソシエーション制限時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "DNSリバインディング・プロテクション"
 
@@ -4529,7 +4544,7 @@ msgstr "IPv6 アドレスのリクエスト"
 msgid "Request IPv6-prefix of length"
 msgstr "リクエストする IPv6 プレフィクス長"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "リクエスト タイムアウト"
 
@@ -4589,7 +4604,7 @@ msgstr ""
 "'フル' バージョンの wpad/hostapd と、無線LANドライバーによるサポートが必要で"
 "す。<br />（2019年1月現在: ath9k、ath10k、mwlwifi 及び mt76）"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4642,15 +4657,15 @@ msgstr "カウンタをリセット"
 msgid "Reset to defaults"
 msgstr "標準設定にリセット"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "名前解決およびホストファイル設定"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "リゾルバファイル"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "リソースが見つかりません"
 
@@ -4697,7 +4712,7 @@ msgstr "取り消しのリクエストはステータス <code>%h</code> で失�
 msgid "Reverting configuration…"
 msgstr "設定を元に戻しています…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "TFTP経由でファイルを取り扱う際のルートディレクトリ"
 
@@ -4798,7 +4813,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "スワップ"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4814,6 +4829,10 @@ msgstr "保存"
 msgid "Save & Apply"
 msgstr "保存 & 適用"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "mtdblock を保存"
@@ -4872,7 +4891,7 @@ msgstr ""
 "設定された秒間隔でLCP echoリクエストを送信します。失敗数しきい値を設定した場"
 "合のみ、機能が有効になります。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "サーバー設定"
 
@@ -4979,7 +4998,7 @@ msgstr "信号:"
 msgid "Size"
 msgstr "サイズ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "DNS クエリ キャッシュのサイズ"
 
@@ -5123,7 +5142,7 @@ msgstr "IPv4 静的ルーティング"
 msgid "Static IPv6 Routes"
 msgstr "IPv6 静的ルーティング"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "静的リース"
 
@@ -5137,7 +5156,7 @@ msgstr "静的ルーティング"
 msgid "Static address"
 msgstr "静的アドレス"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5168,7 +5187,7 @@ msgstr "停止"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "問い合わせの制限"
 
@@ -5181,11 +5200,11 @@ msgstr "強"
 msgid "Submit"
 msgstr "送信"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "ログの抑制"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "これらのプロトコルの、ルーチン的操作についてのログを抑制します。"
 
@@ -5243,7 +5262,7 @@ msgstr "ブラウザの時刻と同期"
 msgid "System"
 msgstr "システム"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "システムログ"
@@ -5260,11 +5279,11 @@ msgstr "システムログ バッファサイズ"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP設定"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTPサーバー・ルート"
 
@@ -5518,8 +5537,8 @@ msgstr ""
 "マットではありません。このプラットフォームに適合したイメージファイルかどう"
 "か、確認してください。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5553,7 +5572,7 @@ msgstr "この認証タイプは、選択された EAP メソッドに適用で�
 msgid "This does not look like a valid PEM file"
 msgstr "これは有効な PEM ファイルではないようです"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5596,7 +5615,7 @@ msgstr ""
 "プロバイダからアサインされた、ローカルのエンドポイント アドレスです。通常、"
 "<code>...:2/64</code>が終端に設定されます。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5640,8 +5659,8 @@ msgstr ""
 "ca-bundle パッケージがインストールされていないため、このオプションは使用でき"
 "ません。"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5774,7 +5793,7 @@ msgid "Unable to dispatch"
 msgstr "ディスパッチできません"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "ログデータを読み込めません:"
 
@@ -5835,7 +5854,7 @@ msgstr "不明"
 msgid "Unknown error (%s)"
 msgstr "不明なエラー (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "不明なエラーコード"
 
@@ -5859,7 +5878,7 @@ msgstr "名称未設定の公開鍵"
 msgid "Unsaved Changes"
 msgstr "保存されていない変更"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "未指定エラー"
 
@@ -5930,7 +5949,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "稼働時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "<code>/etc/ethers</code> を使用する"
 
@@ -6049,7 +6068,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6280,7 +6299,7 @@ msgstr "無線LAN機能は無効になっています"
 msgid "Wireless network is enabled"
 msgstr "無線LAN機能は有効になっています"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "受信したDNSリクエストをsyslogへ記録します"
 
@@ -6288,7 +6307,7 @@ msgstr "受信したDNSリクエストをsyslogへ記録します"
 msgid "Write system log to file"
 msgstr "システムログをファイルに書き込む"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "はい"
@@ -6336,7 +6355,7 @@ msgstr "ZRam 設定"
 msgid "ZRam Size"
 msgstr "ZRam サイズ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "全て"
 
@@ -6431,14 +6450,14 @@ msgstr "無効"
 msgid "driver default"
 msgstr "ドライバーのデフォルト"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "期限切れ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6500,7 +6519,7 @@ msgstr "8 文字以上 63 文字以下のキー"
 msgid "key with either 5 or 13 characters"
 msgstr "5 文字または 13 文字のキー"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "ローカル <abbr title=\"Domain Name System\">DNS</abbr>ファイル"
 
@@ -6528,7 +6547,7 @@ msgstr "リンクなし"
 msgid "non-empty value"
 msgstr "空ではない値"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "なし"
 
@@ -6636,15 +6655,15 @@ msgstr "ユニークな値"
 msgid "unknown"
 msgstr "不明"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "無制限"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6666,7 +6685,8 @@ msgid "untagged"
 msgstr "untagged"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "有効な IP アドレス"
 
@@ -6679,7 +6699,7 @@ msgid "valid IPv4 CIDR"
 msgstr "有効な IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "有効な IPv4 アドレス"
 
@@ -6708,7 +6728,7 @@ msgid "valid IPv6 CIDR"
 msgstr "有効な IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "有効な IPv6 アドレス"
 
@@ -6768,9 +6788,9 @@ msgstr "有効なホスト:ポート"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "有効なホスト名"
 
@@ -6796,7 +6816,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "有効なポートまたはポート範囲（port1-port2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "有効なポート番号"
 
diff --git a/modules/luci-base/po/ko/base.po b/modules/luci-base/po/ko/base.po
index 75fce5fd8a..f6926d0cfb 100644
--- a/modules/luci-base/po/ko/base.po
+++ b/modules/luci-base/po/ko/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -149,15 +149,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> query 포트"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> 서버 포트"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -167,7 +167,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-주소"
 
@@ -190,7 +190,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -202,15 +202,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 설정"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 이름"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-주소"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -218,7 +218,7 @@ msgstr ""
 "<abbr title=\"maximal\">최대</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> lease 수"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -226,7 +226,7 @@ msgstr ""
 "<abbr title=\"maximal\">최대</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> 패킷 크기"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">최대</abbr> 동시 처리 query 수"
 
@@ -358,11 +358,11 @@ msgstr "Active DHCPv6 임대 목록"
 msgid "Ad-Hoc"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -403,7 +403,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -416,11 +416,11 @@ msgstr "새로운 인터페이스 추가..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "추가적인 Hosts 파일들"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -446,7 +446,7 @@ msgstr ""
 msgid "Administration"
 msgstr "관리"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -475,17 +475,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -509,7 +509,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -525,7 +525,7 @@ msgstr "암호를 이용한 root 접근 허용"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "암호를 이용한 <em>root</em> 사용자 접근을 허용합니다"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -544,6 +544,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -696,7 +700,7 @@ msgstr ""
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr ""
 
@@ -831,7 +835,7 @@ msgstr ""
 "필수 기본 파일 그리고 사용자가 패턴 정의로 백업하도록 지정한 것로 이루어져 있"
 "습니다."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -851,7 +855,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1102,7 +1106,7 @@ msgstr "Data 를 수집중입니다..."
 msgid "Command"
 msgstr "명령어"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1158,7 +1162,7 @@ msgstr "연결 시간"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1262,7 +1266,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "DHCP 서버"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP 와 DNS"
@@ -1298,7 +1302,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1306,11 +1310,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1392,10 +1396,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" 는 client 에게 다른 DNS 서버를 세"
 "팅하도록 권고할 수 있습니다."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1537,7 +1541,7 @@ msgstr ""
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1552,7 +1556,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1569,7 +1574,7 @@ msgstr ""
 msgid "Distance to farthest network member in meters."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1580,15 +1585,15 @@ msgstr ""
 "한 <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</abbr>-서버와 "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Forwarder 기능을 제공합니다."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1608,11 +1613,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1620,7 +1625,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1642,7 +1647,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1687,9 +1692,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1765,7 +1770,7 @@ msgstr "NTP client 활성화"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "TFTP 서버 활성화"
 
@@ -1886,11 +1891,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr "Ethernet 스위치"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1899,13 +1904,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1982,7 +1988,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1991,11 +1997,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2042,7 +2048,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Firmware 버전"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2166,7 +2172,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2213,8 +2219,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr "암호 설정 하기"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2284,7 +2290,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2587,7 +2593,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "<code>/etc/hosts</code> 파일 무시"
 
@@ -2595,7 +2601,7 @@ msgstr "<code>/etc/hosts</code> 파일 무시"
 msgid "Ignore interface"
 msgstr "인터페이스 무시"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "resolve 파일 무시"
 
@@ -2763,11 +2769,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2893,7 +2899,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "임대 시간"
@@ -2905,7 +2911,7 @@ msgstr "임대 시간"
 msgid "Lease time remaining"
 msgstr "남아있는 임대 시간"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2930,12 +2936,12 @@ msgstr ""
 msgid "Limit"
 msgstr "제한"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "DNS 를 제공하기로한 subnet 인터페이스들에 대해서만 DNS 서비스를 제공합니다."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2959,7 +2965,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2987,15 +2993,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3008,7 +3014,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "지정한 인터페이스에만 listening 하며 미지정시 모든 인터페이스에 적용됩니다"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3053,7 +3059,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3066,31 +3072,31 @@ msgstr "Local 시작 프로그램"
 msgid "Local Time"
 msgstr "지역 시간"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3102,7 +3108,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Log output 레벨"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3213,15 +3219,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Active DHCP lease 건의 최대 허용 숫자"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "허용되는 최대 동시 DNS query 수"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "허용된 최대 EDNS.0 UDP 패킷 크기"
 
@@ -3274,7 +3280,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3351,7 +3357,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3440,7 +3446,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr "NTP 서버 목록"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3472,7 +3478,7 @@ msgstr "네트워크"
 msgid "Network Utilities"
 msgstr "네트워크 유틸리티"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "네트워크 boot 이미지"
 
@@ -3493,7 +3499,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3522,7 +3528,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3546,7 +3552,7 @@ msgstr "이용 가능한 정보가 없습니다"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3596,7 +3602,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3634,7 +3640,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3646,7 +3652,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3693,7 +3699,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3729,6 +3735,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr "동작 주파수"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "변경된 option"
@@ -4094,7 +4109,7 @@ msgstr "재부팅하기"
 msgid "Perform reset"
 msgstr "Reset 하기"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4184,7 +4199,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4254,7 +4269,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4321,7 +4336,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4341,7 +4356,7 @@ msgstr "실시간 그래프"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4425,7 +4440,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4483,7 +4498,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4534,15 +4549,15 @@ msgstr "Counter 초기화"
 msgid "Reset to defaults"
 msgstr "초기값으로 reset"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Resolv 와 Hosts 파일"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Resolve 파일"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4589,7 +4604,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "TFTP 를 통해 제공되는 파일들의 root 디렉토리"
 
@@ -4690,7 +4705,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4706,6 +4721,10 @@ msgstr "저장"
 msgid "Save & Apply"
 msgstr "저장 & 적용"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4759,7 +4778,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "서버 설정"
 
@@ -4865,7 +4884,7 @@ msgstr ""
 msgid "Size"
 msgstr "Size"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4999,7 +5018,7 @@ msgstr "Static IPv4 Route 경로"
 msgid "Static IPv6 Routes"
 msgstr "Static IPv6 Route 경로"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Static Lease 들"
 
@@ -5013,7 +5032,7 @@ msgstr "Static Route 경로"
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5044,7 +5063,7 @@ msgstr "정지"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Strict order"
 
@@ -5057,11 +5076,11 @@ msgstr ""
 msgid "Submit"
 msgstr "제출하기"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5117,7 +5136,7 @@ msgstr "브라우저 시간대로 동기화"
 msgid "System"
 msgstr "시스템"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "시스템 로그"
@@ -5134,11 +5153,11 @@ msgstr "System log 버퍼 크기"
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP 설정"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP 서버 root"
 
@@ -5361,8 +5380,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5396,7 +5415,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5434,7 +5453,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5471,8 +5490,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5605,7 +5624,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5666,7 +5685,7 @@ msgstr "알수없음"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5690,7 +5709,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "적용 안된 변경 사항"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5757,7 +5776,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "가동 시간"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "<code>/etc/ethers</code> 사용"
 
@@ -5876,7 +5895,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6100,7 +6119,7 @@ msgstr "무선 네트워크가 꺼져 있음"
 msgid "Wireless network is enabled"
 msgstr "무선 네트워크가 켜져 있음"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "받은 DNS 요청 내용을 systlog 에 기록합니다"
 
@@ -6108,7 +6127,7 @@ msgstr "받은 DNS 요청 내용을 systlog 에 기록합니다"
 msgid "Write system log to file"
 msgstr "System log 출력 파일 경로"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6154,7 +6173,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6249,14 +6268,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "만료됨"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6318,7 +6337,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "local <abbr title=\"Domain Name System\">DNS</abbr> 파일"
 
@@ -6346,7 +6365,7 @@ msgstr "link 없음"
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6454,15 +6473,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6484,7 +6503,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6497,7 +6517,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6526,7 +6546,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6586,9 +6606,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6614,7 +6634,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/mr/base.po b/modules/luci-base/po/mr/base.po
index b9d4c4b052..dc57419de3 100644
--- a/modules/luci-base/po/mr/base.po
+++ b/modules/luci-base/po/mr/base.po
@@ -55,8 +55,8 @@ msgid "-- Additional Field --"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -145,15 +145,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -163,7 +163,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr ""
 
@@ -186,7 +186,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -198,27 +198,27 @@ msgstr ""
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -348,11 +348,11 @@ msgstr ""
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -393,7 +393,7 @@ msgstr "उदाहरण जोडा"
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -406,11 +406,11 @@ msgstr ""
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -436,7 +436,7 @@ msgstr ""
 msgid "Administration"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -465,17 +465,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -499,7 +499,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -515,7 +515,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -534,6 +534,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -686,7 +690,7 @@ msgstr ""
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr ""
 
@@ -818,7 +822,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -838,7 +842,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1081,7 +1085,7 @@ msgstr "डेटा संकलित करीत आहे ..."
 msgid "Command"
 msgstr "कमांड"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1137,7 +1141,7 @@ msgstr ""
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1239,7 +1243,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "डीएचसीपी आणि डीएनएस"
@@ -1275,7 +1279,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1283,11 +1287,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1366,10 +1370,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1509,7 +1513,7 @@ msgstr "अक्षम"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1524,7 +1528,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1541,7 +1546,7 @@ msgstr ""
 msgid "Distance to farthest network member in meters."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1549,15 +1554,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1577,11 +1582,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1589,7 +1594,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1611,7 +1616,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1652,9 +1657,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1730,7 +1735,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1851,11 +1856,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1864,13 +1869,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1947,7 +1953,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1956,11 +1962,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2007,7 +2013,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2131,7 +2137,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2178,8 +2184,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2248,7 +2254,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2551,7 +2557,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2559,7 +2565,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2727,11 +2733,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2857,7 +2863,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2869,7 +2875,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2894,11 +2900,11 @@ msgstr ""
 msgid "Limit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2922,7 +2928,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2950,15 +2956,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2970,7 +2976,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3015,7 +3021,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3028,31 +3034,31 @@ msgstr ""
 msgid "Local Time"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3064,7 +3070,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3175,15 +3181,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3236,7 +3242,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3313,7 +3319,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3402,7 +3408,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3434,7 +3440,7 @@ msgstr ""
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3455,7 +3461,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "नाही"
@@ -3484,7 +3490,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3508,7 +3514,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3558,7 +3564,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3596,7 +3602,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3608,7 +3614,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3655,7 +3661,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3691,6 +3697,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4054,7 +4069,7 @@ msgstr ""
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4144,7 +4159,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4214,7 +4229,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4281,7 +4296,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4299,7 +4314,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4383,7 +4398,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4441,7 +4456,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4492,15 +4507,15 @@ msgstr ""
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4547,7 +4562,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4646,7 +4661,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4662,6 +4677,10 @@ msgstr ""
 msgid "Save & Apply"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4715,7 +4734,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "सर्व्हर सेटिंग्ज"
 
@@ -4821,7 +4840,7 @@ msgstr ""
 msgid "Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4955,7 +4974,7 @@ msgstr ""
 msgid "Static IPv6 Routes"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -4969,7 +4988,7 @@ msgstr ""
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -4997,7 +5016,7 @@ msgstr "थांबा"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5010,11 +5029,11 @@ msgstr ""
 msgid "Submit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5070,7 +5089,7 @@ msgstr ""
 msgid "System"
 msgstr "प्रणाली"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr ""
@@ -5087,11 +5106,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5309,8 +5328,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5342,7 +5361,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5375,7 +5394,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5411,8 +5430,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5542,7 +5561,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5603,7 +5622,7 @@ msgstr "अज्ञात"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5627,7 +5646,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5694,7 +5713,7 @@ msgstr ""
 msgid "Uptime"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5813,7 +5832,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6032,7 +6051,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6040,7 +6059,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "होय"
@@ -6082,7 +6101,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6177,14 +6196,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6244,7 +6263,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6272,7 +6291,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6380,15 +6399,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6410,7 +6429,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6423,7 +6443,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6452,7 +6472,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6512,9 +6532,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6540,7 +6560,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/ms/base.po b/modules/luci-base/po/ms/base.po
index 2b8d653a42..2cabc083e9 100644
--- a/modules/luci-base/po/ms/base.po
+++ b/modules/luci-base/po/ms/base.po
@@ -58,8 +58,8 @@ msgid "-- Additional Field --"
 msgstr "-- Gelanggang Tambahan --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -148,15 +148,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -167,7 +167,7 @@ msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr ""
 "<abbr title=\"perkhidmatan set mengenalpasti diperpanjangkan\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "IPv4-Alamat"
 
@@ -190,7 +190,7 @@ msgstr "IPv6 Host-Alamat atau Rangkaian (CIDR)"
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "IPv6-Pintu gerbang"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -202,27 +202,27 @@ msgstr "Konfigurasi lampu LED"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "MAC-Alamat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -352,11 +352,11 @@ msgstr ""
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -397,7 +397,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -410,11 +410,11 @@ msgstr ""
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -440,7 +440,7 @@ msgstr ""
 msgid "Administration"
 msgstr "Pentadbiran"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -469,17 +469,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -503,7 +503,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Izinkan senarai saja"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -519,7 +519,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -538,6 +538,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -690,7 +694,7 @@ msgstr "Authentifizierung"
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Pengesahan"
 
@@ -822,7 +826,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -842,7 +846,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1085,7 +1089,7 @@ msgstr "Mengumpul data..."
 msgid "Command"
 msgstr "Perintah"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1141,7 +1145,7 @@ msgstr ""
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1243,7 +1247,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr ""
@@ -1279,7 +1283,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1287,11 +1291,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1370,10 +1374,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1513,7 +1517,7 @@ msgstr ""
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1528,7 +1532,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1546,7 +1551,7 @@ msgid "Distance to farthest network member in meters."
 msgstr "Jarak ke rangkaian terjauh ahli dalam meter."
 
 # Nur für NAT-Firewalls?
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1558,15 +1563,15 @@ msgstr ""
 "Forwarder untuk <abbr title=\"Network Address Translation\">NAT</abbr> "
 "firewall"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1586,11 +1591,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domain diperlukan"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1598,7 +1603,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1620,7 +1625,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1662,9 +1667,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "EAP-Kaedah"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1740,7 +1745,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1861,11 +1866,11 @@ msgstr "Ethernet Adapter"
 msgid "Ethernet Switch"
 msgstr "Ethernet Beralih"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1874,13 +1879,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1957,7 +1963,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1966,11 +1972,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr "Fail Sistem"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Penapis swasta"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Penapis tak berguna"
 
@@ -2017,7 +2023,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2141,7 +2147,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2188,8 +2194,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2260,7 +2266,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2568,7 +2574,7 @@ msgstr ""
 "sangat lambat kerana peranti-penukar tidak boleh diakses dengan datarates "
 "yang tinggi pada RAM."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Mengabaikan /etc/hosts"
 
@@ -2576,7 +2582,7 @@ msgstr "Mengabaikan /etc/hosts"
 msgid "Ignore interface"
 msgstr "Abaikan antara muka"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Abaikan fail yang selesai"
 
@@ -2744,11 +2750,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2878,7 +2884,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2890,7 +2896,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr "Sisa masa penyewaan"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Sewa fail"
 
@@ -2915,11 +2921,11 @@ msgstr ""
 msgid "Limit"
 msgstr "Batas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2943,7 +2949,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Link Pada"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2971,15 +2977,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2991,7 +2997,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3036,7 +3042,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3049,31 +3055,31 @@ msgstr ""
 msgid "Local Time"
 msgstr "Masa Tempatan"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Soalan tempatan"
 
@@ -3085,7 +3091,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Log soalan"
 
@@ -3196,15 +3202,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3257,7 +3263,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3334,7 +3340,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3425,7 +3431,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3457,7 +3463,7 @@ msgstr "Rangkaian"
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3478,7 +3484,7 @@ msgstr ""
 msgid "Next »"
 msgstr "Kemudian »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3507,7 +3513,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3531,7 +3537,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3581,7 +3587,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3619,7 +3625,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3631,7 +3637,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3678,7 +3684,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3714,6 +3720,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4077,7 +4092,7 @@ msgstr "Lakukan reboot"
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4167,7 +4182,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4237,7 +4252,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4305,7 +4320,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4323,7 +4338,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4407,7 +4422,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4465,7 +4480,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4516,15 +4531,15 @@ msgstr "Reset Loket"
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4571,7 +4586,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4672,7 +4687,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4688,6 +4703,10 @@ msgstr "Simpan"
 msgid "Save & Apply"
 msgstr "Simpan & Melaksanakan"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4741,7 +4760,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4847,7 +4866,7 @@ msgstr ""
 msgid "Size"
 msgstr "Saiz"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4981,7 +5000,7 @@ msgstr "Laluan IPv4 Statik"
 msgid "Static IPv6 Routes"
 msgstr "Laluan IPv6 Statik"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Statische Einträge"
 
@@ -4995,7 +5014,7 @@ msgstr "Laluan Statik"
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5023,7 +5042,7 @@ msgstr ""
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Order Ketat"
 
@@ -5036,11 +5055,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Menyerahkan"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5096,7 +5115,7 @@ msgstr ""
 msgid "System"
 msgstr "Sistem"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Log Sistem"
@@ -5113,11 +5132,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5345,8 +5364,8 @@ msgstr ""
 "Format Fail gambar yang diupload tidak disokongkan. Pastikan anda memilih "
 "fail format gambar yang generik untuk platform anda."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5378,7 +5397,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5411,7 +5430,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5451,8 +5470,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5582,7 +5601,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5643,7 +5662,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5667,7 +5686,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Perubahan yang belum disimpan"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5734,7 +5753,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Masa Aktif"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Guna /etc/ethers"
 
@@ -5853,7 +5872,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6074,7 +6093,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6082,7 +6101,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6124,7 +6143,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6219,14 +6238,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6286,7 +6305,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "Fail DNS tempatan"
 
@@ -6314,7 +6333,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "tidak ada"
 
@@ -6422,15 +6441,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6452,7 +6471,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6465,7 +6485,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6494,7 +6514,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6554,9 +6574,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6582,7 +6602,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/nb_NO/base.po b/modules/luci-base/po/nb_NO/base.po
index 6aa4d37229..13745e548d 100644
--- a/modules/luci-base/po/nb_NO/base.po
+++ b/modules/luci-base/po/nb_NO/base.po
@@ -55,8 +55,8 @@ msgid "-- Additional Field --"
 msgstr "-- Tilleggs Felt --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -145,15 +145,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> spørre port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -165,7 +165,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Adresse"
 
@@ -190,7 +190,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -202,15 +202,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Konfigurasjon"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Navn"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-Adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -218,7 +218,7 @@ msgstr ""
 "<abbr title=\"maximal\">Maksimalt antall</abbr> <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-tildelninger"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -226,7 +226,7 @@ msgstr ""
 "<abbr title=\"Maksimal\">Maks.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> pakke størrelse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"Maksimal\">Maks.</abbr> samtidige spørringer"
 
@@ -363,11 +363,11 @@ msgstr "Aktive DHCPv6 Leier"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc (Uavhengig)"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -408,7 +408,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Legg det lokale domenesuffikset til navn utgitt fra vertsfiler"
 
@@ -421,11 +421,11 @@ msgstr "Legg til grensesnitt..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Tilleggs vertsfiler"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -451,7 +451,7 @@ msgstr "Adresse for tilgang til lokal relébro"
 msgid "Administration"
 msgstr "Administrasjon"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -480,17 +480,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -514,7 +514,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Tillat kun oppførte"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Tillat lokalvert"
 
@@ -530,7 +530,7 @@ msgstr "Tillat root pålogginger med passord"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Tillat bruker <em>root</em> å logge inn med passord"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr "Tillat oppstrøms svar i 127.0.0.0/8 nettet, f.eks for RBL tjenester"
@@ -549,6 +549,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -701,7 +705,7 @@ msgstr "Godkjenning"
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritativ"
 
@@ -836,7 +840,7 @@ msgstr ""
 "konfigurasjonsfiler som er merket av opkg, essensielle enhets filer og andre "
 "filer valgt av bruker."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -856,7 +860,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bitrate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Overstyr falske NX Domener"
 
@@ -1109,7 +1113,7 @@ msgstr "Samler inn data…"
 msgid "Command"
 msgstr "Kommando"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1165,7 +1169,7 @@ msgstr "Tilkoblet"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1269,7 +1273,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "DHCP Server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP og DNS"
@@ -1305,7 +1309,7 @@ msgstr ""
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNS videresendinger"
 
@@ -1313,11 +1317,11 @@ msgstr "DNS videresendinger"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1398,10 +1402,10 @@ msgstr ""
 "Definer flere DHCP valg, f.eks \"<code>192.168.2.1,192.168.2.2</code>\" som "
 "annonserer forskjellige DNS servere til klientene."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1543,7 +1547,7 @@ msgstr "Deaktivert"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Forkast oppstrøms RFC1918 svar"
 
@@ -1558,7 +1562,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1575,7 +1580,7 @@ msgstr "Avstand Optimalisering"
 msgid "Distance to farthest network member in meters."
 msgstr "Avstand i meter til det medlem av nettverket som er lengst unna."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1587,17 +1592,17 @@ msgstr ""
 "Fremsender for <abbr title =\"Network Address Translation\">NAT</abbr> "
 "brannmurer"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Ikke cache negative svar, f.eks for ikke eksisterende domener"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Ikke videresend forespørsler som ikke kan besvares med offentlige "
 "navneservere"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Ikke videresend reverserte oppslag for lokale nettverk"
 
@@ -1617,11 +1622,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domene kreves"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Domene hviteliste"
 
@@ -1629,7 +1634,7 @@ msgstr "Domene hviteliste"
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1653,7 +1658,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1699,9 +1704,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "EAP-metode"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1777,7 +1782,7 @@ msgstr "Aktiver NTP klient"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Aktiver TFTP server"
 
@@ -1898,11 +1903,11 @@ msgstr "Ethernet Tilslutning"
 msgid "Ethernet Switch"
 msgstr "Ethernet Svitsj"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Utvid vertsliste"
 
@@ -1911,13 +1916,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1995,7 +2001,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Filnavn fra boot image annonsert til klienter"
 
@@ -2004,11 +2010,11 @@ msgstr "Filnavn fra boot image annonsert til klienter"
 msgid "Filesystem"
 msgstr "Filsystem"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtrer private"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtrer ubrukelige"
 
@@ -2055,7 +2061,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Firmware Versjon"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Fast kilde port for utgående DNS-spørringer"
 
@@ -2180,7 +2186,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2227,8 +2233,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr "Gå til passord konfigurasjon..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2300,7 +2306,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2607,7 +2613,7 @@ msgstr ""
 "\"Random Access Memory\">RAM</abbr>. Vær oppmerksom på at bruk av swap er "
 "mye langsommere en <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2615,7 +2621,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr "Ignorer grensesnitt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorer oppslagsfil"
 
@@ -2783,11 +2789,11 @@ msgstr "Ugyldig VLAN ID gitt! Bare IDer mellom %d og %d er tillatt."
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "Ugyldig VLAN ID gitt! Bare unike ID'er er tillatt"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2916,7 +2922,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2928,7 +2934,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "<abbr title=\"Leasefile\">Leie-fil</abbr>"
 
@@ -2953,11 +2959,11 @@ msgstr "Forklaring:"
 msgid "Limit"
 msgstr "Grense"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2981,7 +2987,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Forbindelse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3011,15 +3017,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Liste over domener hvor en tillater RFC1918 svar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Liste over verter som returneren falske NX domene resultater"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3032,7 +3038,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Lytt kun på det angitte grensesnitt, om ingen er angitt lyttes det på alle"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Lytte-port for innkommende DNS-spørring"
 
@@ -3077,7 +3083,7 @@ msgstr "Lokal IPv4 adresse"
 msgid "Local IPv6 address"
 msgstr "Lokal IPv6 adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3090,11 +3096,11 @@ msgstr "Lokal Oppstart"
 msgid "Local Time"
 msgstr "Lokal tid"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Lokalt domene"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 #, fuzzy
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
@@ -3103,15 +3109,15 @@ msgstr ""
 "Lokalt domene spesifikasjon. Navn som passer dette domenet blir aldri "
 "videresendt, de blir kun løst av DHCP eller vertsfiler"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr "Lokalt domenesuffiks lagt til DHCP navn og vertsfil oppføringer"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Lokal server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3119,7 +3125,7 @@ msgstr ""
 "Lokaliser vertsnavn avhengig av subnett hvis flere IP-adresser er "
 "tilgjengelig"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Lokalisere søk"
 
@@ -3131,7 +3137,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Logg nivå"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Logg spørringer"
 
@@ -3242,15 +3248,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Maksimalt antall aktive DHCP leieavtaler"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Maksimalt antall samtidige DNS spørringer"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Maksimal tillatt størrelse på EDNS.0 UDP-pakker"
 
@@ -3303,7 +3309,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3380,7 +3386,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3471,7 +3477,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr "NTP server kandidater"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3503,7 +3509,7 @@ msgstr "Nettverk"
 msgid "Network Utilities"
 msgstr "Nettverks Verktøy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Nettverks boot image"
 
@@ -3524,7 +3530,7 @@ msgstr ""
 msgid "Next »"
 msgstr "Neste »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3553,7 +3559,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3577,7 +3583,7 @@ msgstr "Ingen informasjon tilgjengelig"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Ingen negative cache"
 
@@ -3627,7 +3633,7 @@ msgstr "Støy:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3665,7 +3671,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3677,7 +3683,7 @@ msgstr "Merk"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3724,7 +3730,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr "Forsinkelse ved tilstand -På-"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Enten Vertsnavn eller Mac-adresse må oppgis!"
 
@@ -3760,6 +3766,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Innstilling endret"
@@ -4125,7 +4140,7 @@ msgstr "Omstart nå"
 msgid "Perform reset"
 msgstr "Foreta nullstilling"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4217,7 +4232,7 @@ msgstr ""
 "Annta at peer er uten forbindelse om angitt LCP ekko feiler, bruk verdi 0 "
 "for å overse feil"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4287,7 +4302,7 @@ msgstr ""
 msgid "Quality"
 msgstr "Kvalitet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4354,7 +4369,7 @@ msgstr "Radius-Authentication-Server"
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4374,7 +4389,7 @@ msgstr "Grafer i sanntid"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Binde beskyttelse"
 
@@ -4458,7 +4473,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4516,7 +4531,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4567,15 +4582,15 @@ msgstr "Nullstill Tellere"
 msgid "Reset to defaults"
 msgstr "Nullstill til standard innstilling"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Oppslag og Vertsfiler"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "<abbr title=\"Resolvefile\">Oppslagsfil</abbr>"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4622,7 +4637,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Rot katalog for filer gitt fra TFTP"
 
@@ -4723,7 +4738,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4739,6 +4754,10 @@ msgstr "Lagre"
 msgid "Save & Apply"
 msgstr "Lagre & Aktiver"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4794,7 +4813,7 @@ msgstr ""
 "Send LCP ekko forespørsler etter angitt intervall i sekunder, dette er kun "
 "gjeldene dersom feilterskelen er nådd"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Server Innstillinger"
 
@@ -4900,7 +4919,7 @@ msgstr "Signal:"
 msgid "Size"
 msgstr "Størrelse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -5038,7 +5057,7 @@ msgstr "Statiske IPv4 Ruter"
 msgid "Static IPv6 Routes"
 msgstr "Statiske IPv6 Ruter"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Statiske Leier"
 
@@ -5052,7 +5071,7 @@ msgstr "Statiske Ruter"
 msgid "Static address"
 msgstr "Statisk adresse"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5083,7 +5102,7 @@ msgstr "Stop"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Streng overholdelse"
 
@@ -5096,11 +5115,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Send"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5156,7 +5175,7 @@ msgstr "Synkroniser med nettleser"
 msgid "System"
 msgstr "System"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "System Logg"
@@ -5173,11 +5192,11 @@ msgstr "System logg buffer størrelse"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP Innstillinger"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP server roten"
 
@@ -5414,8 +5433,8 @@ msgstr ""
 "Den opplastede programvaren er av et format som ikke støttes. Sørg for at du "
 "velger det generelle firmware-bildet for din plattform."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5449,7 +5468,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5489,7 +5508,7 @@ msgstr ""
 "Dette er den lokale endepunkt adressen som ble tildelt av tunnel 'broker', "
 "adressen ender vanligvis med <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5528,8 +5547,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5663,7 +5682,7 @@ msgid "Unable to dispatch"
 msgstr "Kan ikke sende"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5724,7 +5743,7 @@ msgstr "Ukjent"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5748,7 +5767,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Ulagrede Endringer"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5815,7 +5834,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Oppetid"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Bruk <code>/etc/ethers</code>"
 
@@ -5934,7 +5953,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 #, fuzzy
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
@@ -6162,7 +6181,7 @@ msgstr "Trådløst nettverk er deaktivert"
 msgid "Wireless network is enabled"
 msgstr "Trådløst nettverk er aktivert"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Skriv mottatte DNS forespørsler til syslog"
 
@@ -6170,7 +6189,7 @@ msgstr "Skriv mottatte DNS forespørsler til syslog"
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6218,7 +6237,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "enhver"
 
@@ -6313,14 +6332,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "utgått"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6382,7 +6401,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "lokal <abbr title=\"Domain Navn System\">DNS</abbr>-fil"
 
@@ -6410,7 +6429,7 @@ msgstr "ingen forbindelse"
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "ingen"
 
@@ -6518,15 +6537,15 @@ msgstr ""
 msgid "unknown"
 msgstr "ukjent"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "ubegrenset"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6548,7 +6567,8 @@ msgid "untagged"
 msgstr "utagget"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6561,7 +6581,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6590,7 +6610,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6650,9 +6670,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6678,7 +6698,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/pl/base.po b/modules/luci-base/po/pl/base.po
index a5bc830cc5..d7134c7a5f 100644
--- a/modules/luci-base/po/pl/base.po
+++ b/modules/luci-base/po/pl/base.po
@@ -60,8 +60,8 @@ msgid "-- Additional Field --"
 msgstr "-- Dodatkowe pole --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -150,15 +150,15 @@ msgstr "802.11w Interwał ponawiania prób"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "Port wywołania <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Port serwera <abbr title=\"Domain Name System\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -170,7 +170,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Adres <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -194,7 +194,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Brama <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr "Sufiks <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>(hex)"
 
@@ -206,15 +206,15 @@ msgstr "Konfiguracja diod <abbr title=\"Light Emitting Diode\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nazwa diody <abbr title=\"Light Emitting Diode\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Adres <abbr title=\"Media Access Control\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"Unikatowy Identyfikator DHCP\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -222,7 +222,7 @@ msgstr ""
 "<abbr title=\"Maksymalna ilość\">Maks.</abbr> dzierżaw <abbr title=\"Dynamic "
 "Host Configuration Protocol\">DHCP</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -230,7 +230,7 @@ msgstr ""
 "<abbr title=\"Maksymalny\">Maks.</abbr> rozmiar pakietu <abbr title="
 "\"Extension Mechanisms for Domain Name System\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"Maksymalna ilość\">Maks.</abbr> jednoczesnych zapytań"
 
@@ -369,11 +369,11 @@ msgstr "Aktywne dzierżawy DHCPv6"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -414,7 +414,7 @@ msgstr "Dodaj instancję"
 msgid "Add key"
 msgstr "Dodaj klucz"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Dodaj lokalny sufiks domeny do nazw urządzeń z pliku hosts"
 
@@ -427,11 +427,11 @@ msgstr "Dodaj nowy interfejs..."
 msgid "Add peer"
 msgstr "Dodaj peera"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Dodatkowe pliki hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Dodatkowe pliki serwera"
 
@@ -458,7 +458,7 @@ msgstr "Adres dostępowy do \"relay bridge\""
 msgid "Administration"
 msgstr "Zarządzanie"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -487,11 +487,11 @@ msgstr "Alias interfejsu"
 msgid "Alias of \"%s\""
 msgstr "Alias \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Wszystkie serwery"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
@@ -499,7 +499,7 @@ msgstr ""
 "Przydziel sekwencyjnie adresy IP, zaczynając od najmniejszego dostępnego "
 "adresu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Przydzielaj adresy IP po kolei"
 
@@ -524,7 +524,7 @@ msgstr "Zezwól na starsze wersje 802.11b"
 msgid "Allow listed only"
 msgstr "Zezwól tylko wymienionym"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Zezwól na localhost"
 
@@ -541,7 +541,7 @@ msgstr "Zezwól na logowanie roota przy pomocy hasła"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Zezwól użytkownikowi <em>root</em> na logowanie się przy pomocy hasła"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -563,6 +563,10 @@ msgstr ""
 "Zawsze używaj kanału 40 MHz, nawet jeśli kanał dodatkowy nachodzi na inny.\n"
 "Używanie tej opcji nie jest zgodne z IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -722,7 +726,7 @@ msgstr "Uwierzytelnienie"
 msgid "Authentication Type"
 msgstr "Typ uwierzytelniania"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autorytatywny"
 
@@ -858,7 +862,7 @@ msgstr ""
 "Zawiera ona zmienione pliki konfiguracyjne oznaczone przez opkg, podstawowe "
 "pliki systemowe, oraz pliki oznaczone do kopiowania przez użytkownika."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -880,7 +884,7 @@ msgstr "Połącz tunel z tym interfejsem (opcjonalnie)."
 msgid "Bitrate"
 msgstr "Szybkość transmisji"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Podrobione statystyki NXDOMAIN"
 
@@ -1144,7 +1148,7 @@ msgstr "Trwa zbieranie danych..."
 msgid "Command"
 msgstr "Polecenie"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Polecenie OK"
 
@@ -1205,7 +1209,7 @@ msgstr "Połączony"
 msgid "Connection attempt failed"
 msgstr "Próba połączenia nieudana"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Utrata połączenia"
 
@@ -1315,7 +1319,7 @@ msgstr "DAE-Secret"
 msgid "DHCP Server"
 msgstr "Serwer DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP i DNS"
@@ -1351,7 +1355,7 @@ msgstr "Serwis DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Przekazywania DNS"
 
@@ -1359,11 +1363,11 @@ msgstr "Przekazywania DNS"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-Label/FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "Sprawdzanie DNSSEC bez podpisu"
 
@@ -1444,10 +1448,10 @@ msgstr ""
 "Zdefiniuj dodatkowe opcje DHCP, np. \"<code>6,192.168.2.1,192.168.2.2</code>"
 "\" rozgłasza domyślne serwery DNS klientom DHCP."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1589,7 +1593,7 @@ msgstr "Wyłączone"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Rozłączaj przy niskim stanie ramek ACK"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Odrzuć wychodzące odpowiedzi RFC1918"
 
@@ -1604,7 +1608,8 @@ msgstr "Rozłącz"
 msgid "Disconnection attempt failed"
 msgstr "Próba rozłączenia nie powiodła się"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1621,7 +1626,7 @@ msgstr "Optymalizacja odległości"
 msgid "Distance to farthest network member in meters."
 msgstr "Odległość do najdalej oddalonego użytkownika sieci w metrach."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1633,17 +1638,17 @@ msgstr ""
 "\">DNS</abbr>. Jest to serwer przekazujący (Forwarder) dla firewalli <abbr "
 "title=\"Network Address Translation\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Nie buforuj odpowiedzi negatywnych, np. nie dla bieżących domen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Nie przekazuj zapytań które nie mogą być zrealizowane przez publiczne "
 "serwery nazw"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Nie przekazuj wyszukiwań wstecznych (lookups) do sieci lokalnych"
 
@@ -1665,11 +1670,11 @@ msgstr ""
 "Czy jesteś pewien, że chcesz skasować katalog \"%s\" ze wszystkimi jego "
 "podkatalogami?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Wymagana domena"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Białe listy (Dozwolone domeny)"
 
@@ -1677,7 +1682,7 @@ msgstr "Białe listy (Dozwolone domeny)"
 msgid "Don't Fragment"
 msgstr "Nie Fragmentuj"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1701,7 +1706,7 @@ msgstr "Pobierz mtdblock"
 msgid "Downstream SNR offset"
 msgstr "Kompensacja transmisji SNR"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Przeciągnij, aby zmienić kolejność"
 
@@ -1748,9 +1753,9 @@ msgstr "Długość EA-bits"
 msgid "EAP-Method"
 msgstr "Metoda protokołu rozszerzonego uwierzytelniania (EAP)"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1830,7 +1835,7 @@ msgstr "Włącz klienta NTP"
 msgid "Enable Single DES"
 msgstr "Zezwól na Single DES"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Włącz serwer TFTP"
 
@@ -1957,11 +1962,11 @@ msgstr "Karta Ethernet"
 msgid "Ethernet Switch"
 msgstr "Switch Ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Wyklucz interfejsy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Rozwiń hosty"
 
@@ -1970,13 +1975,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Oczekiwanie na przydział w systemie szesnastkowym"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Zaleca się użyć: %s"
 
@@ -2054,7 +2060,7 @@ msgstr "Plik niedostępny"
 msgid "Filename"
 msgstr "Nazwa pliku"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Rozgłaszana nazwa pliku obrazu startowego do klientów"
 
@@ -2063,11 +2069,11 @@ msgstr "Rozgłaszana nazwa pliku obrazu startowego do klientów"
 msgid "Filesystem"
 msgstr "System plików"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtruj prywatne"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtruj bezużyteczne"
 
@@ -2116,7 +2122,7 @@ msgstr "Plik firmware"
 msgid "Firmware Version"
 msgstr "Wersja firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Stały port źródłowy dla wychodzących zapytań DNS"
 
@@ -2243,7 +2249,7 @@ msgstr "Adres bramy jest nieprawidłowy"
 msgid "Gateway metric"
 msgstr "Brama metryczna"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2290,8 +2296,8 @@ msgstr "Globalne opcje sieciowe"
 msgid "Go to password configuration..."
 msgstr "Przejdź do konfiguracji hasła..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2364,7 +2370,7 @@ msgid "Host-Uniq tag content"
 msgstr "Zawartość znacznika Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2677,7 +2683,7 @@ msgstr ""
 "abbr> będzie dostępna. Uwaga - plik wymiany jest dużo wolniejszy niż pamięć "
 "<abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignoruj <code>/etc/hosts</code>"
 
@@ -2685,7 +2691,7 @@ msgstr "Ignoruj <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignoruj interfejs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignoruj pliki resolve"
 
@@ -2858,11 +2864,11 @@ msgstr "Podano niewłaściwy ID VLAN`u! Dozwolone są tylko ID pomiędzy %d a %d
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "Podano niewłaściwy ID VLAN`u! Dozwolone są tylko unikalne ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Błędny argument"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Nieprawidłowe polecenie"
 
@@ -2990,7 +2996,7 @@ msgstr "Opoźnienie"
 msgid "Leaf"
 msgstr "Karta"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Czas dzierżawy"
@@ -3002,7 +3008,7 @@ msgstr "Czas dzierżawy"
 msgid "Lease time remaining"
 msgstr "Pozostały czas dzierżawy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Plik dzierżawy"
 
@@ -3027,12 +3033,12 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Limit"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Ogranicz usługi DNS do podsieci interfejsów, na których obsługujemy DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Ogranicz nasłuchiwanie do tych interfesjów, oraz loopbacku."
 
@@ -3056,7 +3062,7 @@ msgstr "Czas działania linii"
 msgid "Link On"
 msgstr "Połączenie aktywne"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3096,15 +3102,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Lista kluczy SSH do autoryzacji"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Lista domen zezwalających na odpowiedzi RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Lista hostów które dostarczają zafałszowane wyniki NX domain"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Nasłuchuj interfejs"
 
@@ -3117,7 +3123,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Słuchaj tylko na podanym interfejsie, lub jeśli nie podano na wszystkich"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Port nasłuchu dla przychodzących zapytań DNS"
 
@@ -3162,7 +3168,7 @@ msgstr "Lokalny adres IPv4"
 msgid "Local IPv6 address"
 msgstr "Lokalny adres IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Tylko serwis lokalny"
 
@@ -3175,11 +3181,11 @@ msgstr "Lokalny autostart"
 msgid "Local Time"
 msgstr "Czas lokalny"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Domena lokalna"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3187,16 +3193,16 @@ msgstr ""
 "Specyfikacja domeny lokalnej. Nazwy należące do tej domeny nie są "
 "przekazywane dalej ani rozwijane przez DHCP lub tylko pliki hosta"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Przyrostek (sufiks) domeny przyłączany do nazw DHCP i wpisów w pliku hosta"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Serwer lokalny"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3204,7 +3210,7 @@ msgstr ""
 "Zlokalizuj nazwę hosta w zależności od odpytującej podsieci jeśli jest "
 "dostępne więcej niż jedno IP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Zapytania lokalizujące"
 
@@ -3216,7 +3222,7 @@ msgstr "Zablokuj na BSSID"
 msgid "Log output level"
 msgstr "Poziom logowania"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Loguj zapytania"
 
@@ -3329,15 +3335,15 @@ msgstr "Max. Osiągalna przepustowość danych (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Maksymalny dozwolony odstęp czasu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Maksymalna dozwolona liczba aktywnych dzierżaw DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Maksymalna dozwolona liczba jednoczesnych zapytań DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Maksymalny dozwolony rozmiar pakietu EDNS.0 UDP"
 
@@ -3390,7 +3396,7 @@ msgstr "Mesh ID"
 msgid "Mesh Id"
 msgstr "Mesh Id"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Nie znaleziono metody"
 
@@ -3467,7 +3473,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Użyj więcej znaków"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Więcej…"
 
@@ -3558,7 +3564,7 @@ msgstr "Domena NT"
 msgid "NTP server candidates"
 msgstr "Lista serwerów NTP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3590,7 +3596,7 @@ msgstr "Sieć"
 msgid "Network Utilities"
 msgstr "Narzędzia sieciowe"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Sieciowy obraz startowy"
 
@@ -3611,7 +3617,7 @@ msgstr "Nazwa nowego interfejsu…"
 msgid "Next »"
 msgstr "Następna »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Nie"
@@ -3640,7 +3646,7 @@ msgstr "Brak sygnału RX"
 msgid "No client associated"
 msgstr "Brak powiązanego klienta"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Nie otrzymano danych"
 
@@ -3664,7 +3670,7 @@ msgstr "Brak dostępnych informacji"
 msgid "No matching prefix delegation"
 msgstr "Brak zgodnej delegacji prefiksu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Brak negatywnej pamięci podręcznej"
 
@@ -3714,7 +3720,7 @@ msgstr "Szum:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Nieprzewidziane błedy CRC (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Bez symboli wieloznacznych"
 
@@ -3752,7 +3758,7 @@ msgstr "Nieobecny"
 msgid "Not started on boot"
 msgstr "Nie uruchomiony przy starcie"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Nie wspierane"
 
@@ -3764,7 +3770,7 @@ msgstr "Spostrzeżenie"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Liczba buforowanych wpisów DNS (max wynosi 10000, 0 oznacza brak pamięci "
@@ -3813,7 +3819,7 @@ msgstr "Trasa łącza"
 msgid "On-State Delay"
 msgstr "Zwłoka połączenia"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Nazwa hosta lub adres MAC musu być podany!"
 
@@ -3849,6 +3855,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Częstotliwość"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Wartość zmieniona"
@@ -4226,7 +4241,7 @@ msgstr "Wykonaj restart"
 msgid "Perform reset"
 msgstr "Wykonaj reset"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Odmowa zezwolenia"
 
@@ -4318,7 +4333,7 @@ msgstr ""
 "Przypuszczaj że klient może być martwy po zadanej ilości błedów echa LCP, "
 "wpisz 0 aby zignorować te błędy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Zapobiegaj nasłuchiwaniu na tych interfejsach."
 
@@ -4394,7 +4409,7 @@ msgstr "Komórkowy QMI"
 msgid "Quality"
 msgstr "Jakość"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4465,7 +4480,7 @@ msgstr ""
 "Surowe bajty kodowane szesnastkowo. Pozostaw puste, chyba że wymaga tego "
 "dostawca internetowy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4485,7 +4500,7 @@ msgstr "Wykresy rzeczywiste"
 msgid "Reassociation Deadline"
 msgstr "Termin reasocjacji"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Przypisz ochronę"
 
@@ -4569,7 +4584,7 @@ msgstr "Zażądaj adresu IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Zażądaj długość prefiksu IPv6"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Limit czasu żądania"
 
@@ -4631,7 +4646,7 @@ msgstr ""
 "Wymagana jest 'pełna' wersja wpad/hostapd i wsparcie sterownika WiFi <br /"
 ">(od Sty. 2019: ath9k, ath10k, mwlwifi i mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4684,15 +4699,15 @@ msgstr "Wyczyść liczniki"
 msgid "Reset to defaults"
 msgstr "Resetuj do domyślnych"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Pliki Resolv i Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Plik Resolve"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Nie znaleziono zasobu"
 
@@ -4739,7 +4754,7 @@ msgstr "Żądanie powrotu nie powiodło się ze statusem <code>%h</code>"
 msgid "Reverting configuration…"
 msgstr "Przywracanie konfiguracji…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Katalog główny dla plików udostępnianych przez TFTP"
 
@@ -4841,7 +4856,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4857,6 +4872,10 @@ msgstr "Zapisz"
 msgid "Save & Apply"
 msgstr "Zapisz i Zastosuj"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Zapisz mtdblock"
@@ -4915,7 +4934,7 @@ msgstr ""
 "Wysyłaj żądania echa LCP w określonym przedziale czasowym, efektywne tylko "
 "wtedy gdy jest ustawiony próg błedu LCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Ustawienia serwera"
 
@@ -5023,7 +5042,7 @@ msgstr "Sygnał:"
 msgid "Size"
 msgstr "Rozmiar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Rozmiar pamięci podręcznej zapytań DNS"
 
@@ -5170,7 +5189,7 @@ msgstr "Statyczne trasy IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Statyczne trasy IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Dzierżawy statyczne"
 
@@ -5184,7 +5203,7 @@ msgstr "Statyczne trasy"
 msgid "Static address"
 msgstr "Stały adres"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5216,7 +5235,7 @@ msgstr "Zatrzymaj"
 msgid "Stop refresh"
 msgstr "Zatrzymaj odświeżanie"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Zachowaj kolejność"
 
@@ -5229,11 +5248,11 @@ msgstr "Silne"
 msgid "Submit"
 msgstr "Prześlij"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Pomiń rejestrowanie"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Pomiń rejestrowanie rutynowych operacji dla tych protokołów"
 
@@ -5290,7 +5309,7 @@ msgstr "Synchronizuj z przeglądarką"
 msgid "System"
 msgstr "System"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Log systemowy"
@@ -5308,11 +5327,11 @@ msgstr "Rozmiar bufora logu systemowego"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Ustawienia TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Katalog główny serwera TFTP"
 
@@ -5572,8 +5591,8 @@ msgstr ""
 "Przesłany plik obrazu nie zawiera obsługiwanego formatu. Upewnij się, że "
 "wybrałeś odpowiedni format obrazu dla danej platformy."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5607,7 +5626,7 @@ msgstr "Ten typ uwierzytelniania nie ma zastosowania do wybranej metody EAP."
 msgid "This does not look like a valid PEM file"
 msgstr "Nie wygląda to na ważny plik PEM"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5654,7 +5673,7 @@ msgstr ""
 "kończący się z <code>...:2/64</code>"
 
 # w tłumaczeniu pojawiła się spacja po DHCP</abbr> co powoduje niepoprawne wyświetlanie się strony z lang PL
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5699,8 +5718,8 @@ msgid ""
 msgstr ""
 "Nie można użyć tej opcji, ponieważ pakiet ca-bundle nie jest zainstalowany."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5833,7 +5852,7 @@ msgid "Unable to dispatch"
 msgstr "Nie można wysłać"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Nie można załadować danych dziennika:"
 
@@ -5894,7 +5913,7 @@ msgstr "Nieznany"
 msgid "Unknown error (%s)"
 msgstr "Nieznany błąd (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Nieznany kod błędu"
 
@@ -5918,7 +5937,7 @@ msgstr "Klucz beznazwy"
 msgid "Unsaved Changes"
 msgstr "Niezapisane zmiany"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Nieokreślony błąd"
 
@@ -5988,7 +6007,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Czas pracy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Użyj <code>/etc/ethers</code>"
 
@@ -6107,7 +6126,7 @@ msgstr "Użyj certyfikatów systemowych"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Użyj certyfikatów systemowych dla tunelu wewnętrznego"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6344,7 +6363,7 @@ msgstr "Sieć bezprzewodowa jest wyłączona"
 msgid "Wireless network is enabled"
 msgstr "Sieć bezprzewodowa jest włączona"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Zapisz otrzymane żądania DNS do dziennika systemowego"
 
@@ -6352,7 +6371,7 @@ msgstr "Zapisz otrzymane żądania DNS do dziennika systemowego"
 msgid "Write system log to file"
 msgstr "Zapisz dziennik systemowy do pliku"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Tak"
@@ -6402,7 +6421,7 @@ msgstr "Ustawienia ZRam"
 msgid "ZRam Size"
 msgstr "Rozmiar ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "dowolny"
 
@@ -6497,14 +6516,14 @@ msgstr "wyłączony"
 msgid "driver default"
 msgstr "domyślna sterownika"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "nieważny"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6566,7 +6585,7 @@ msgstr "klucza od 8 do 63 znaków"
 msgid "key with either 5 or 13 characters"
 msgstr "klucz z 5 lub 13 znakami"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "lokalny plik <abbr title=\"Domain Name System\">DNS</abbr>"
 
@@ -6595,7 +6614,7 @@ msgstr "niepowiązane"
 msgid "non-empty value"
 msgstr "niepustą wartość"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "brak"
 
@@ -6703,15 +6722,15 @@ msgstr "unikalna wartość"
 msgid "unknown"
 msgstr "nieznane"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "nielimitowane"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6733,7 +6752,8 @@ msgid "untagged"
 msgstr "nieotagowane"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "prawidłowy adres IP"
 
@@ -6746,7 +6766,7 @@ msgid "valid IPv4 CIDR"
 msgstr "prawidłowy CIDR IPv4"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "prawidłowy adres IPv4"
 
@@ -6775,7 +6795,7 @@ msgid "valid IPv6 CIDR"
 msgstr "prawidłowy protokół IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "prawidłowy adres IPv6"
 
@@ -6835,9 +6855,9 @@ msgstr "prawidłowy host:port"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "prawidłowa nazwa hosta"
 
@@ -6863,7 +6883,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "prawidłowy port lub zakres portów (PORT1-PORT2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "prawidłowa wartość portu"
 
diff --git a/modules/luci-base/po/pt/base.po b/modules/luci-base/po/pt/base.po
index 49199994a7..e04deae8dc 100644
--- a/modules/luci-base/po/pt/base.po
+++ b/modules/luci-base/po/pt/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Campo Adicional --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -152,17 +152,17 @@ msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr ""
 "<abbr title=\"Identificador de Conjunto Básico de Serviços\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 "Porta de consulta do <abbr title=\"Servidor de Nomes de Domínio\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 "Porta do servidor <abbr title=\"Servidor de Nomes de Domínio\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -175,7 +175,7 @@ msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr ""
 "<abbr title=\"Identificador de Conjunto de Serviços Estendidos\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Endereço <abbr title=\"Protocolo de Internet Versão 4\">IPv4</abbr>"
 
@@ -201,7 +201,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Gateway <abbr title=\"Protocolo de Internet Versão 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "Sufixo (hex) <abbr title=\"Protocolo de Internet Versão 6\">IPv6</abbr>"
@@ -214,15 +214,15 @@ msgstr "Configuração do <abbr title=\"Diodo Emissor de Luz\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nome do <abbr title=\"Diodo Emissor de Luz\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Endereço <abbr title=\"Controle de Acesso ao Meio\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"Identificador Único do DHCP\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -230,7 +230,7 @@ msgstr ""
 "<abbr title=\"Máximo\">Max.</abbr> de concessões<abbr title=\"Protocolo de "
 "Configuracao Dinamica de Hosts\">DHCP</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -238,7 +238,7 @@ msgstr ""
 "Tamanho <abbr title=\"Máximo\">max.</abbr> do pacote <abbr title="
 "\"Mecanismos de Extensão para Sistemas de Nomes de Domínio\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"máximo\">Max.</abbr> de consultas concorrentes"
 
@@ -375,11 +375,11 @@ msgstr "Concessões DHCPv6 Ativas"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -420,7 +420,7 @@ msgstr "Adicionar instância"
 msgid "Add key"
 msgstr "Adicionar chave"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "Adicionar um sufixo de domínio local aos nomes servidos dos ficheiros hosts"
@@ -434,11 +434,11 @@ msgstr "Adicionar uma nova interface..."
 msgid "Add peer"
 msgstr "Adicionar par"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Ficheiro Hosts adicional"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Ficheiro servers adicional"
 
@@ -464,7 +464,7 @@ msgstr "Endereço para acesso à ponte de retransmissão local"
 msgid "Administration"
 msgstr "Gestão"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -495,11 +495,11 @@ msgstr "Interface Adicional"
 msgid "Alias of \"%s\""
 msgstr "Interface adicional de \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Todos os Servidores"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
@@ -507,7 +507,7 @@ msgstr ""
 "Alocar endereços IP sequencialmente, a começar pelo endereço mais baixo "
 "disponível"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Alocar endereços IP sequencialmente"
 
@@ -533,7 +533,7 @@ msgstr "Permitir taxas antigas 802.11b"
 msgid "Allow listed only"
 msgstr "Permitir somente os listados"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Permitir localhost"
 
@@ -550,7 +550,7 @@ msgstr "Permitir o login como root com password"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Permitir que o utilizador <em>root</em> faça login com password"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -572,6 +572,10 @@ msgstr ""
 "Usar sempre canais de 40Mhz mesmo se o canal secundário estiver sobreposto. "
 "O uso desta opção não cumpre com o IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -730,7 +734,7 @@ msgstr "Autenticação"
 msgid "Authentication Type"
 msgstr "Tipo de Autenticação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritário"
 
@@ -869,7 +873,7 @@ msgstr ""
 "configuração alterados e marcados pelo opkg, ficheiros base essenciais e "
 "padrões de backup definidos pelo utilizador."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -891,7 +895,7 @@ msgstr "Ligar o túnel a esta interface (opcional)."
 msgid "Bitrate"
 msgstr "Taxa de bits"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Substituir Domínios NX Falsos"
 
@@ -1156,7 +1160,7 @@ msgstr "A recolher dados..."
 msgid "Command"
 msgstr "Comando"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Comando OK"
 
@@ -1217,7 +1221,7 @@ msgstr "Ligada"
 msgid "Connection attempt failed"
 msgstr "A tentativa de ligação falhou"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Ligação perdida"
 
@@ -1327,7 +1331,7 @@ msgstr "Segredo DAE"
 msgid "DHCP Server"
 msgstr "Servidor DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP e DNS"
@@ -1363,7 +1367,7 @@ msgstr "Serviço DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Encaminhamentos DNS"
 
@@ -1371,11 +1375,11 @@ msgstr "Encaminhamentos DNS"
 msgid "DNS-Label / FQDN"
 msgstr "Rótulo DNS / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "Verificar DNSSEC sem assinatura"
 
@@ -1457,10 +1461,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" informa os clientes de diferentes "
 "servidores DNS."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1602,7 +1606,7 @@ msgstr "Desativado"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Desassociar quando tiver baixa confirmação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Descartar respostas RFC1918 a montante"
 
@@ -1617,7 +1621,8 @@ msgstr "Desconectar"
 msgid "Disconnection attempt failed"
 msgstr "A tentativa de desconexão falhou"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1634,7 +1639,7 @@ msgstr "Otimização de Distância"
 msgid "Distance to farthest network member in meters."
 msgstr "Distância para o host da rede mais distante em metros."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1646,17 +1651,17 @@ msgstr ""
 "\">DNS</abbr> para firewalls <abbr title=\"Network Address Translation"
 "\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Não por respostas negativas em cache, p.e. para domínios inexistentes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Não encaminhar pedidos que não possam ser respondidos por servidores de "
 "nomes públicos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Não encaminhar lookups reversos para as redes locais"
 
@@ -1676,11 +1681,11 @@ msgstr "Quer mesmo apagar todas as configurações?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Deseja mesmo apagar recursivamente o diretório \"%s\"?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domínio requerido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Lista Branca do Domínio"
 
@@ -1688,7 +1693,7 @@ msgstr "Lista Branca do Domínio"
 msgid "Don't Fragment"
 msgstr "Não Fragmentar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1714,7 +1719,7 @@ msgstr ""
 "Deslocamento <abbr title=\"Signal to Noise Ratio\">SNR</abbr> do sinal "
 "recebido"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Arraste para reordenar"
 
@@ -1760,9 +1765,9 @@ msgstr "Comprimento dos bits EA"
 msgid "EAP-Method"
 msgstr "Método EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1842,7 +1847,7 @@ msgstr "Ativar o cliente NTP"
 msgid "Enable Single DES"
 msgstr "Ativar DES Único"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Ativar o servidor TFTP"
 
@@ -1969,11 +1974,11 @@ msgstr "Adaptador Ethernet"
 msgid "Ethernet Switch"
 msgstr "Switch Ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Excluir interfaces"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Expandir hosts"
 
@@ -1982,13 +1987,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "À espera de uma dica de atribuição hexadecimal"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "À espera de: %s"
 
@@ -2068,7 +2074,7 @@ msgstr "Ficheiro não acessível"
 msgid "Filename"
 msgstr "Nome do ficheiro"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Nome de ficheiro da imagem de boot a anunciar aos clientes"
 
@@ -2077,11 +2083,11 @@ msgstr "Nome de ficheiro da imagem de boot a anunciar aos clientes"
 msgid "Filesystem"
 msgstr "Sistema de ficheiros"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtrar endereços privados"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtrar inúteis"
 
@@ -2130,7 +2136,7 @@ msgstr "Ficheiro de Firmware"
 msgid "Firmware Version"
 msgstr "Versão do Firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Porta fixa de origem para saída dos pedidos DNS"
 
@@ -2258,7 +2264,7 @@ msgstr "O endereço do gateway é inválido"
 msgid "Gateway metric"
 msgstr "Métrica de Gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2306,8 +2312,8 @@ msgstr "Opções de rede globais"
 msgid "Go to password configuration..."
 msgstr "Ir para a configuração da palavra-passe…"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2382,7 +2388,7 @@ msgid "Host-Uniq tag content"
 msgstr "Conteúdo da etiqueta Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2695,7 +2701,7 @@ msgstr ""
 "lento, pois o aparelho swap não pode ser acedido com a alta taxa de dados da "
 "memória <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignorar <code>/etc/hosts</code>"
 
@@ -2703,7 +2709,7 @@ msgstr "Ignorar <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignorar interface"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorar o ficheiro resolv.conf"
 
@@ -2876,11 +2882,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "O ID de VLAN fornecido é inválido! Só IDs únicos são permitidos"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Argumento inválido"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Comando inválido"
 
@@ -3008,7 +3014,7 @@ msgstr "Latência"
 msgid "Leaf"
 msgstr "Folha"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Tempo de concessão"
@@ -3020,7 +3026,7 @@ msgstr "Tempo de concessão"
 msgid "Lease time remaining"
 msgstr "Tempo de concessão restante"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Ficheiro de concessões"
 
@@ -3045,13 +3051,13 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Limite"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Limitar o serviço DNS para subredes das interfaces nas quais está a ser "
 "servido DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Escutar apenas nestas interfaces, e na loopback."
 
@@ -3075,7 +3081,7 @@ msgstr "Tempo de Ativo da Linha"
 msgid "Link On"
 msgstr "Link Ativo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3115,17 +3121,17 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Lista de ficheiros de chaves SSH para autenticação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Lista de dominios que permitem respostas RFC1918 para"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 "Lista de servidores <abbr title=\"Domain Name System\">DNS</abbr> que "
 "fornecem resultados errados para consultas a domínios inexistentes (NX)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Interfaces de Escuta"
 
@@ -3138,7 +3144,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Escutar apenas na interface fornecida ou, se não especificada, em todas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Porta de escuta para entrada de consultas DNS"
 
@@ -3183,7 +3189,7 @@ msgstr "Endereço IPv4 Local"
 msgid "Local IPv6 address"
 msgstr "Endereço IPv6 Local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Somente Serviço Local"
 
@@ -3196,11 +3202,11 @@ msgstr "Arranque Local"
 msgid "Local Time"
 msgstr "Hora Local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Domínio local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3209,17 +3215,17 @@ msgstr ""
 "nunca serão encaminhados e são resolvidos somente pelo DHCP ou pelo "
 "ficheiros de equipamentos conhecidos (hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Sufixos de dominio local a juntar aos nomes DHCP e às entradas do ficheiro "
 "de hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Servidor local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3227,7 +3233,7 @@ msgstr ""
 "Localizar o nome do equipamento dependendo da subrede requisitante se "
 "mútliplos endereços IPs estiverem disponíveis"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localizar consultas"
 
@@ -3239,7 +3245,7 @@ msgstr "Bloqueio para BSSID"
 msgid "Log output level"
 msgstr "Nível de output do log"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Registo das consultas"
 
@@ -3356,15 +3362,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr "Intervalo de Escuta máximo permitido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Quantidade máxima permitida de concessões DHCP ativas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Quantidade máxima permitida de consultas DNS permitidas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Tamanho máximo permitido dos pacotes UDP EDNS.0"
 
@@ -3418,7 +3424,7 @@ msgstr "ID de Mesh"
 msgid "Mesh Id"
 msgstr "Id de Mesh"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Método não encontrado"
 
@@ -3495,7 +3501,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Mais Caracteres"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Mais…"
 
@@ -3586,7 +3592,7 @@ msgstr "Domínio NT"
 msgid "NTP server candidates"
 msgstr "Candidatos a servidor NTP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3618,7 +3624,7 @@ msgstr "Rede"
 msgid "Network Utilities"
 msgstr "Ferramentas de Rede"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Imagem de arranque via rede"
 
@@ -3639,7 +3645,7 @@ msgstr "Novo nome de interface…"
 msgid "Next »"
 msgstr "Seguinte »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Não"
@@ -3668,7 +3674,7 @@ msgstr "Sem sinal RX"
 msgid "No client associated"
 msgstr "Nenhum cliente associado"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Nenhuns dados recebidos"
 
@@ -3692,7 +3698,7 @@ msgstr "Sem informação disponível"
 msgid "No matching prefix delegation"
 msgstr "Não casou com nenhum prefixo delegado"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Sem cache negativa"
 
@@ -3746,7 +3752,7 @@ msgstr ""
 "Erros CRC Não Preemptivos<abbr title=\"Non Pre-emptive CRC errors\">CRC_P</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Sem caracter curinga"
 
@@ -3784,7 +3790,7 @@ msgstr "Não presente"
 msgid "Not started on boot"
 msgstr "Não iniciado na inicialização"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Não suportado"
 
@@ -3796,7 +3802,7 @@ msgstr "Aviso"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Quantidade de entradas DNS em cache (máximo é 10000, 0 desativa o cache)"
@@ -3844,7 +3850,7 @@ msgstr "Rota On-Link"
 msgid "On-State Delay"
 msgstr "Atraso do On-State"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Um nome de host ou endereço MAC deve ser especificado!"
 
@@ -3880,6 +3886,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Frequência de Operação"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Opção alterada"
@@ -4261,7 +4276,7 @@ msgstr "Executar reinicialização"
 msgid "Perform reset"
 msgstr "Executar reset"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Permissão negada"
 
@@ -4354,7 +4369,7 @@ msgstr ""
 "Assumir que o parceiro está morto depois de uma data quantidade de falhas de "
 "echo do LCP. Use 0 para ignorar as falhas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Evite escutar nestas Interfaces."
 
@@ -4429,7 +4444,7 @@ msgstr "Celular QMI"
 msgid "Quality"
 msgstr "Qualidade"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4500,7 +4515,7 @@ msgstr ""
 "Bytes brutos codificados em hexadecimal. Deixe vazio a não ser que seu "
 "provedor requeira isso"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4520,7 +4535,7 @@ msgstr "Gráficos em Tempo Real"
 msgid "Reassociation Deadline"
 msgstr "Limite para Reassociação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Religar protecção"
 
@@ -4604,7 +4619,7 @@ msgstr "Solicita endereço IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Solicita prefixo IPv6 de tamanho"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Tempo limite do pedido"
 
@@ -4667,7 +4682,7 @@ msgstr ""
 "Requer a versão 'completa' do wpad/hostapd e suporte do driver wifi <br />(a "
 "partir de Jan 2019: ath9k, ath10k, mwlwifi e mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4720,15 +4735,15 @@ msgstr "Limpar contadores"
 msgid "Reset to defaults"
 msgstr "Redefinir para os valores padrão"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Ficheiros Resolv e Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Resolver ficheiro"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Recurso não encontrado"
 
@@ -4776,7 +4791,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr "Revertendo configurações…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Diretório raiz para ficheiros disponibilizados pelo TFTP"
 
@@ -4878,7 +4893,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4894,6 +4909,10 @@ msgstr "Guardar"
 msgid "Save & Apply"
 msgstr "Gravar & Aplicar"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Gravar o bloco mtd"
@@ -4952,7 +4971,7 @@ msgstr ""
 "Enviar requisições de eco do LCP no dado intervalo em segundos. Somente "
 "efetivo em conjunto com o limite de falhas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Configurações do Servidor"
 
@@ -5065,7 +5084,7 @@ msgstr "Sinal:"
 msgid "Size"
 msgstr "Tamanho"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Tamanho do cache de consultas DNS"
 
@@ -5213,7 +5232,7 @@ msgstr "Rotas Estáticas IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Rotas Estáticas IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Atribuições Estáticas"
 
@@ -5227,7 +5246,7 @@ msgstr "Rotas Estáticas"
 msgid "Static address"
 msgstr "Endereço estático"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5259,7 +5278,7 @@ msgstr "Parar"
 msgid "Stop refresh"
 msgstr "Parar a atualização"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Ordem exacta"
 
@@ -5272,11 +5291,11 @@ msgstr "Forte"
 msgid "Submit"
 msgstr "Enviar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Suprimir registros (log)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Suprimir registros (log) de operações rotineiras destes protocolos"
 
@@ -5334,7 +5353,7 @@ msgstr "Sincronizar com o browser"
 msgid "System"
 msgstr "Sistema"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Registo do Sistema"
@@ -5351,11 +5370,11 @@ msgstr "Tamanho do buffer de registro do sistema"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Definições TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Raíz do servidor TFTP"
 
@@ -5617,8 +5636,8 @@ msgstr ""
 "A imagem carregada não contém um formato suportado. Confirme que escolhe uma "
 "imagem genérica para a sua plataforma."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5652,7 +5671,7 @@ msgstr "Este tipo de autenticação não é aplicável ao método EAP selecionad
 msgid "This does not look like a valid PEM file"
 msgstr "Isto não parece ser um ficheiro PEM válido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5698,7 +5717,7 @@ msgstr ""
 "Este é o endereço da ponta local designado pelo agente de túnel. normalmente "
 "ele termina com <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5742,8 +5761,8 @@ msgid ""
 msgstr ""
 "Esta opção não pode ser usada porque o pacote ca-bundle não está instalado."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5876,7 +5895,7 @@ msgid "Unable to dispatch"
 msgstr "Não é possível a expedição"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Não foi possível carregar os dados do log:"
 
@@ -5939,7 +5958,7 @@ msgstr "Desconhecido"
 msgid "Unknown error (%s)"
 msgstr "Erro desconhecido (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Código de erro desconhecido"
 
@@ -5963,7 +5982,7 @@ msgstr "Chave sem nome"
 msgid "Unsaved Changes"
 msgstr "Alterações não Guardadas"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Erro não especificado"
 
@@ -6037,7 +6056,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Uptime"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Usar <code>/etc/ethers</code>"
 
@@ -6158,7 +6177,7 @@ msgstr "Usar certificados de sistema"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Usar certificados de sistema para o túnel interno"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6393,7 +6412,7 @@ msgstr "Wireless está desativado"
 msgid "Wireless network is enabled"
 msgstr "A rede wireless está ativada"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Escrever os pedidos de DNS para o syslog"
 
@@ -6401,7 +6420,7 @@ msgstr "Escrever os pedidos de DNS para o syslog"
 msgid "Write system log to file"
 msgstr "Escrever registro do sistema (log) no ficheiro"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Sim"
@@ -6452,7 +6471,7 @@ msgstr "Configurações do ZRam"
 msgid "ZRam Size"
 msgstr "Tamanho do ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "qualquer"
 
@@ -6547,14 +6566,14 @@ msgstr "desativado"
 msgid "driver default"
 msgstr "padrão do driver"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "expirou"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6616,7 +6635,7 @@ msgstr "chave entre 8 e 63 caracteres"
 msgid "key with either 5 or 13 characters"
 msgstr "chave com 5 ou 13 caracteres"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 "Ficheiro local de <abbr title=\"Sistema de Nomes de Domínios\">DNS</abbr>"
@@ -6645,7 +6664,7 @@ msgstr "sem link"
 msgid "non-empty value"
 msgstr "valor não vazio"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "nenhum"
 
@@ -6753,15 +6772,15 @@ msgstr "valor único"
 msgid "unknown"
 msgstr "desconhecido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "ilimitado"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6783,7 +6802,8 @@ msgid "untagged"
 msgstr "não etiquetado"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "endereço IP válido"
 
@@ -6796,7 +6816,7 @@ msgid "valid IPv4 CIDR"
 msgstr "CIDR IPv4 válido"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "endereço IPv4 válido"
 
@@ -6825,7 +6845,7 @@ msgid "valid IPv6 CIDR"
 msgstr "CIDR IPv6 válido"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "endereço IPv6 válido"
 
@@ -6885,9 +6905,9 @@ msgstr "host:porto válido"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "nome de host válido"
 
@@ -6913,7 +6933,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "porta ou intervalo de portas válido (porta1-porta2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "valor de porta válido"
 
diff --git a/modules/luci-base/po/pt_BR/base.po b/modules/luci-base/po/pt_BR/base.po
index 3db63b00ae..78c6a58c0e 100644
--- a/modules/luci-base/po/pt_BR/base.po
+++ b/modules/luci-base/po/pt_BR/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- Campo Adicional --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -154,17 +154,17 @@ msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr ""
 "<abbr title=\"Identificador de Conjunto Básico de Serviços\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 "Porta de consulta <abbr title=\"Sistema de Nomes de Domínios\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 "Porta do servidor <abbr title=\"Sistema de Nomes de Domínios\">DNS</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -177,7 +177,7 @@ msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr ""
 "<abbr title=\"Identificador de Conjunto de Serviços Estendidos\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Endereço <abbr title=\"Protocolo de Internet Versão 4\">IPv4</abbr>"
 
@@ -203,7 +203,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "Roteador <abbr title=\"Protocolo de Internet Versão 6\">IPv6</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "<abbr title=\"Internet Protocol Version 6/Protocolo Internet Versão "
@@ -217,15 +217,15 @@ msgstr "Configuração do <abbr title=\"Diodo Emissor de Luz\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Nome do <abbr title=\"Diodo Emissor de Luz\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "Endereço <abbr title=\"Controle de Acesso ao Meio\">MAC</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"Identificador Único do DHCP\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -233,7 +233,7 @@ msgstr ""
 "Numero máximo de concessões <abbr title=\"Protocolo de Configuração Dinâmica "
 "de Equipamentos\">DHCP</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -241,7 +241,7 @@ msgstr ""
 "Tamanho máximo do pacote do <abbr title=\"Extension Mechanisms for Domain "
 "Name System\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "Número máximo de consultas concorrentes"
 
@@ -386,11 +386,11 @@ msgstr "Alocações DHCPv6 ativas"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -431,7 +431,7 @@ msgstr "Adicionar instância"
 msgid "Add key"
 msgstr "Adicionar chave"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Adiciona um sufixo de domínio local para equipamentos conhecidos"
 
@@ -444,11 +444,11 @@ msgstr "Adiciona uma nova interface..."
 msgid "Add peer"
 msgstr "Adicionar parceiro"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Arquivos adicionais de equipamentos conhecidos (hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Arquivo de servidores adicionais"
 
@@ -474,7 +474,7 @@ msgstr "Endereço para acessar a ponte por retransmissão local"
 msgid "Administration"
 msgstr "Administração"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -505,11 +505,11 @@ msgstr "Interface Adicional"
 msgid "Alias of \"%s\""
 msgstr "Interface adicional de \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Todos os Servidores"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
@@ -517,7 +517,7 @@ msgstr ""
 "Alocar endereços IP sequencialmente, iniciando a partir do endereço mais "
 "baixo disponível"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Alocar endereços IP sequencialmente"
 
@@ -544,7 +544,7 @@ msgstr "Permitir taxas legadas do 802.11b"
 msgid "Allow listed only"
 msgstr "Permitir somente os listados"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Permitir computador local"
 
@@ -562,7 +562,7 @@ msgstr "Permite autenticação do root com senha"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Permite que o usuário <em>root</em> se autentique utilizando senha"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -585,6 +585,10 @@ msgstr ""
 "Permitir o uso de canais 40Mhz mesmo se o canal secundário estiver "
 "sobreposto. Esta opção não está de acordo com IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -743,7 +747,7 @@ msgstr "Autenticação"
 msgid "Authentication Type"
 msgstr "Tipo de Autenticação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritário"
 
@@ -882,7 +886,7 @@ msgstr ""
 "de configuração alterados marcados pelo opkg, arquivos base essenciais e "
 "padrões para a cópia de segurança definidos pelo usuário."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -904,7 +908,7 @@ msgstr "Vincule o túnel a esta interface (opcional)."
 msgid "Bitrate"
 msgstr "Taxa de bits"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Substituir Domínio NX Falsos"
 
@@ -1172,7 +1176,7 @@ msgstr "Coletando dados..."
 msgid "Command"
 msgstr "Comando"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Comando OK"
 
@@ -1233,7 +1237,7 @@ msgstr "Conectado"
 msgid "Connection attempt failed"
 msgstr "A tentativa de conexão falhou"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Conexão perdida"
 
@@ -1343,7 +1347,7 @@ msgstr "Segredo DAE"
 msgid "DHCP Server"
 msgstr "Servidor DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP e DNS"
@@ -1379,7 +1383,7 @@ msgstr "Serviço DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Encaminhamentos DNS"
 
@@ -1387,11 +1391,11 @@ msgstr "Encaminhamentos DNS"
 msgid "DNS-Label / FQDN"
 msgstr "Rótulo DNS / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "Verificar DNSSEC sem assinatura"
 
@@ -1475,10 +1479,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\" que anuncia diferentes servidores "
 "DNS para os clientes."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1621,7 +1625,7 @@ msgstr "Desabilitado"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Desassociar quando tiver baixa confirmação de recebimento"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 "Descartar respostas de servidores externos para redes privadas (RFC1918)"
@@ -1637,7 +1641,8 @@ msgstr "Desconectar"
 msgid "Disconnection attempt failed"
 msgstr "A tentativa de desconexão falhou"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1654,7 +1659,7 @@ msgstr "Otimização de Distância"
 msgid "Distance to farthest network member in meters."
 msgstr "Distância para o computador mais distante da rede (em metros)."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1666,19 +1671,19 @@ msgstr ""
 "\">DNS</abbr> para firewalls <abbr title=\"Tradução de Endereço de Rede"
 "\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Não mantenha em cache para respostas negativas como, por exemplo, para os "
 "domínios inexistentes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Não encaminhe requisições que não podem ser respondidas por servidores de "
 "nomes públicos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Não encaminhe buscas por endereço reverso das redes local"
 
@@ -1698,11 +1703,11 @@ msgstr "Você realmente deseja apagar todas as configurações?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Você realmente deseja apagar recursivamente o diretório \"%s\" ?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Requerer domínio"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Lista branca de domínios"
 
@@ -1710,7 +1715,7 @@ msgstr "Lista branca de domínios"
 msgid "Don't Fragment"
 msgstr "Não Fragmentar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1737,7 +1742,7 @@ msgstr ""
 "Deslocamento <abbr title=\"Razão entre Sinal e Ruído/Signal to Noise Ratio"
 "\">SNR</abbr> do sinal recebido"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Arrastar para reordenar"
 
@@ -1785,9 +1790,9 @@ msgstr "Comprimento dos bits EA"
 msgid "EAP-Method"
 msgstr "Método EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1868,7 +1873,7 @@ msgstr "Ativar o cliente <abbr title=\"Network Time Protocol\">NTP</abbr>"
 msgid "Enable Single DES"
 msgstr "Habilitar DES Simples"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Ativar servidor TFTP"
 
@@ -1997,11 +2002,11 @@ msgstr "Adaptador Ethernet"
 msgid "Ethernet Switch"
 msgstr "Switch Ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Excluir interfaces"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Expandir arquivos de equipamentos conhecidos (hosts)"
 
@@ -2010,13 +2015,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Esperando uma sugestão hexadecimal da atribuição"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Esperando: %s"
 
@@ -2100,7 +2106,7 @@ msgstr "Arquivo não associado"
 msgid "Filename"
 msgstr "Nome de arquivo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Nome do arquivo da imagem de boot anunciada para os clientes"
 
@@ -2109,11 +2115,11 @@ msgstr "Nome do arquivo da imagem de boot anunciada para os clientes"
 msgid "Filesystem"
 msgstr "Sistema de Arquivos"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtrar endereços privados"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtrar consultas inúteis"
 
@@ -2163,7 +2169,7 @@ msgstr "Arquivo da Firmware"
 msgid "Firmware Version"
 msgstr "Versão do Firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Porta de origem fixa para saída de consultas DNS"
 
@@ -2291,7 +2297,7 @@ msgstr "O endereço do roteador padrão é inválido"
 msgid "Gateway metric"
 msgstr "Métrica de gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2340,8 +2346,8 @@ msgstr "Opção global de rede"
 msgid "Go to password configuration..."
 msgstr "Ir para a configuração de senha..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2418,7 +2424,7 @@ msgid "Host-Uniq tag content"
 msgstr "Conteúdo da etiqueta única do equipamento"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2737,7 +2743,7 @@ msgstr ""
 "de transferência tão altas com a memória <abbr title=\"Memória de Acesso "
 "Aleatório\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignorar <code>/etc/hosts</code>"
 
@@ -2745,7 +2751,7 @@ msgstr "Ignorar <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignorar interface"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorar o arquivo de resolução de nomes (resolv.conf)"
 
@@ -2921,11 +2927,11 @@ msgstr ""
 "O valor informado do ID da VLAN é inválido! Somente valores únicos são "
 "permitidos"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Argumento inválido"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Comando inválido"
 
@@ -3053,7 +3059,7 @@ msgstr "Latência"
 msgid "Leaf"
 msgstr "Folha"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Tempo de concessão"
@@ -3065,7 +3071,7 @@ msgstr "Tempo de concessão"
 msgid "Lease time remaining"
 msgstr "Tempo restante da atribuição"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Arquivo de atribuições"
 
@@ -3090,13 +3096,13 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Limite"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Limite o serviço DNS para subredes das interfaces nas quais estamos servindo "
 "DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Escute somente nestas interfaces e na interface local (loopback)."
 
@@ -3120,7 +3126,7 @@ msgstr "Tempo de Atividade da Linha"
 msgid "Link On"
 msgstr "Enlace Ativo"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3160,19 +3166,19 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Lista de arquivos de chaves SSH para autenticação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 "Lista dos domínios para os quais será permitido respostas apontando para "
 "redes privadas (RFC1918)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 "Lista de servidores <abbr title=\"Domain Name System\">DNS</abbr> que "
 "fornecem resultados errados para consultas a domínios inexistentes (NX)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Interfaces de Escuta"
 
@@ -3185,7 +3191,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Escuta apenas na interface especificada. Se não especificado, escuta em todas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Porta de escuta para a entrada das consultas DNS"
 
@@ -3230,7 +3236,7 @@ msgstr "Endereço IPv4 local"
 msgid "Local IPv6 address"
 msgstr "Endereço IPv6 local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Somente Serviço Local"
 
@@ -3243,11 +3249,11 @@ msgstr "Iniciação Local"
 msgid "Local Time"
 msgstr "Hora Local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Domínio Local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3256,17 +3262,17 @@ msgstr ""
 "encaminhados e são resolvidos somente pelo DHCP ou pelo arquivos de "
 "equipamentos conhecidos (hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Sufixo do domínio local adicionado aos nomes no DHCP e nas entradas dos "
 "arquivo de equipamentos conhecidos (hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Servidor Local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3274,7 +3280,7 @@ msgstr ""
 "Localizar o nome do equipamento dependendo da subrede requisitante se "
 "mútliplos endereços IPs estiverem disponíveis"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Localizar consultas"
 
@@ -3286,7 +3292,7 @@ msgstr "Bloqueio para BSSID"
 msgid "Log output level"
 msgstr "Nível de detalhamento de saída dos registros"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Registar as consultas"
 
@@ -3403,15 +3409,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr "Intervalo máximo permitido de escuta"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Número máximo permitido de alocações DHCP ativas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Número máximo permitido de consultas DNS concorrentes"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Tamanho máximo permitido dos pacotes UDP EDNS.0"
 
@@ -3464,7 +3470,7 @@ msgstr "ID de Mesh"
 msgid "Mesh Id"
 msgstr "Identificador da Malha"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Método não encontrado"
 
@@ -3541,7 +3547,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Mais Caracteres"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Mais…"
 
@@ -3632,7 +3638,7 @@ msgstr "Domínio NT"
 msgid "NTP server candidates"
 msgstr "Candidatos a servidor NTP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3664,7 +3670,7 @@ msgstr "Rede"
 msgid "Network Utilities"
 msgstr "Utilitários de Rede"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Imagem de boot pela rede"
 
@@ -3685,7 +3691,7 @@ msgstr "Nome de nova interface…"
 msgid "Next »"
 msgstr "Próximo »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Não"
@@ -3714,7 +3720,7 @@ msgstr "Sem sinal RX"
 msgid "No client associated"
 msgstr "Não há nenhum cliente associado"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Nenhum dado recebido"
 
@@ -3738,7 +3744,7 @@ msgstr "Nenhuma informação disponível"
 msgid "No matching prefix delegation"
 msgstr "Não casou com nenhum prefixo delegado"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Nenhum cache negativo"
 
@@ -3792,7 +3798,7 @@ msgstr ""
 "Erros CRC Não Preemptivos<abbr title=\"Non Pre-emptive CRC errors\">CRC_P</"
 "abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Sem caracter curinga"
 
@@ -3830,7 +3836,7 @@ msgstr "Não presente"
 msgid "Not started on boot"
 msgstr "Não iniciado na inicialização"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Sem suporte"
 
@@ -3842,7 +3848,7 @@ msgstr "Aviso"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr "Número de entradas DNS em cache (máximo é 10000, 0 desabilita o cache)"
 
@@ -3889,7 +3895,7 @@ msgstr "Rota em enlace"
 msgid "On-State Delay"
 msgstr "Atraso no estado de conexões"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 "É necessário especificar ao menos um nome de equipamento ou endereço MAC!"
@@ -3926,6 +3932,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Frequência de Operação"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Opção alterada"
@@ -4307,7 +4322,7 @@ msgstr "Reiniciar o sistema"
 msgid "Perform reset"
 msgstr "Restaurar as configuração iniciais"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Permissão negada"
 
@@ -4400,7 +4415,7 @@ msgstr ""
 "Assumir que o parceiro está morto depois de uma data quantidade de falhas de "
 "echo do LCP. Use 0 para ignorar as falhas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Evite escutar nestas Interfaces."
 
@@ -4476,7 +4491,7 @@ msgstr "Celular QMI"
 msgid "Quality"
 msgstr "Qualidade"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4547,7 +4562,7 @@ msgstr ""
 "Bytes brutos codificados em hexadecimal. Deixe vazio a não ser que seu "
 "provedor requeira isso"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4567,7 +4582,7 @@ msgstr "Gráficos em Tempo Real"
 msgid "Reassociation Deadline"
 msgstr "Limite para Reassociação"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Proteção contra \"Rebind\""
 
@@ -4651,7 +4666,7 @@ msgstr "Solicita endereço IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Solicita prefixo IPv6 de tamanho"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "A requisição excedeu o tempo limite"
 
@@ -4715,7 +4730,7 @@ msgstr ""
 "Requer a versão 'completa' do wpad/hostapd e suporte do driver wifi <br />(a "
 "partir de Jan 2019: ath9k, ath10k, mwlwifi e mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4768,15 +4783,15 @@ msgstr "Reiniciar os Contadores"
 msgid "Reset to defaults"
 msgstr "Redefinir para os valores padrão"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Arquivos Resolv e Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Arquivo Resolv"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Recurso não encontrado"
 
@@ -4824,7 +4839,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr "Revertendo configurações…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Diretório raiz para arquivos disponibilizados pelo TFTP"
 
@@ -4926,7 +4941,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4942,6 +4957,10 @@ msgstr "Salvar"
 msgid "Save & Apply"
 msgstr "Salvar & Aplicar"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Salvar o bloco mtd"
@@ -5000,7 +5019,7 @@ msgstr ""
 "Enviar requisições de eco do LCP no dado intervalo em segundos. Somente "
 "efetivo em conjunto com o limite de falhas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Configurações do Servidor"
 
@@ -5113,7 +5132,7 @@ msgstr "Sinal:"
 msgid "Size"
 msgstr "Tamanho"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Tamanho do cache de consultas DNS"
 
@@ -5261,7 +5280,7 @@ msgstr "Rotas Estáticas IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Rotas Estáticas IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Alocações Estáticas"
 
@@ -5275,7 +5294,7 @@ msgstr "Rotas Estáticas"
 msgid "Static address"
 msgstr "Endereço Estático"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5307,7 +5326,7 @@ msgstr "Parar"
 msgid "Stop refresh"
 msgstr "Parar atualização"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Ordem Exata"
 
@@ -5320,11 +5339,11 @@ msgstr "Forte"
 msgid "Submit"
 msgstr "Enviar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Suprimir registros (log)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Suprimir registros (log) de operações rotineiras destes protocolos"
 
@@ -5382,7 +5401,7 @@ msgstr "Sincronizar com o navegador"
 msgid "System"
 msgstr "Sistema"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Registro do Sistema"
@@ -5399,11 +5418,11 @@ msgstr "Tamanho do buffer de registro do sistema"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Configurações do TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Raiz do servidor TFTP"
 
@@ -5665,8 +5684,8 @@ msgstr ""
 "A imagem carregada não contém um formato suportado. Confirme que você "
 "escolheu uma imagem para a sua plataforma."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5700,7 +5719,7 @@ msgstr "Este tipo de autenticação não é aplicável ao método EAP selecionad
 msgid "This does not look like a valid PEM file"
 msgstr "Isso não se parece com um arquivo PEM válido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5747,7 +5766,7 @@ msgstr ""
 "Este é o endereço da ponta local designado pelo agente de túnel. normalmente "
 "ele termina com <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5791,8 +5810,8 @@ msgid ""
 msgstr ""
 "Esta opção não pode ser usada porque o pacote ca-bundle não está instalado."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5926,7 +5945,7 @@ msgid "Unable to dispatch"
 msgstr "Não é possível a expedição"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Não foi possível carregar os dados do registro log:"
 
@@ -5989,7 +6008,7 @@ msgstr "Desconhecido"
 msgid "Unknown error (%s)"
 msgstr "Erro desconhecido (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Código de erro desconhecido"
 
@@ -6013,7 +6032,7 @@ msgstr "Chave sem nome"
 msgid "Unsaved Changes"
 msgstr "Alterações Não Salvas"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Erro não especificado"
 
@@ -6087,7 +6106,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Tempo de atividade"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Usar <code>/etc/ethers</code>"
 
@@ -6208,7 +6227,7 @@ msgstr "Utilizar certificados do sistema"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Utilizar certificados de sistema para túnel interno"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6442,7 +6461,7 @@ msgstr "A rede sem fio está desabilitada"
 msgid "Wireless network is enabled"
 msgstr "A rede sem fio está habilitada"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Escreva as requisições DNS para o servidor de registro (syslog)"
 
@@ -6450,7 +6469,7 @@ msgstr "Escreva as requisições DNS para o servidor de registro (syslog)"
 msgid "Write system log to file"
 msgstr "Escrever registro do sistema (log) no arquivo"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Sim"
@@ -6501,7 +6520,7 @@ msgstr "Configurações ZRam"
 msgid "ZRam Size"
 msgstr "Tamanho ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "qualquer"
 
@@ -6596,14 +6615,14 @@ msgstr "desabilitado"
 msgid "driver default"
 msgstr "padrão do driver"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "expirado"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6665,7 +6684,7 @@ msgstr "chave entre 8 e 63 caracteres"
 msgid "key with either 5 or 13 characters"
 msgstr "chave com 5 ou 13 caracteres"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 "arquivo local de <abbr title=\"Sistema de Nomes de Domínios\">DNS</abbr>"
@@ -6695,7 +6714,7 @@ msgstr "sem link"
 msgid "non-empty value"
 msgstr "valor não vazio"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "nenhum"
 
@@ -6803,15 +6822,15 @@ msgstr "valor único"
 msgid "unknown"
 msgstr "desconhecido"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "ilimitado"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6833,7 +6852,8 @@ msgid "untagged"
 msgstr "não etiquetado"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "endereço IP válido"
 
@@ -6846,7 +6866,7 @@ msgid "valid IPv4 CIDR"
 msgstr "CIDR IPv4 válido"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "endereço IPv4 válido"
 
@@ -6875,7 +6895,7 @@ msgid "valid IPv6 CIDR"
 msgstr "CIDR IPv6 válido"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "endereço IPv6 válido"
 
@@ -6935,9 +6955,9 @@ msgstr "host:porta válida"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "nome de host válido"
 
@@ -6963,7 +6983,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "Porta ou intervalo de portas válida (port1-port2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "valor de porta válida"
 
diff --git a/modules/luci-base/po/ro/base.po b/modules/luci-base/po/ro/base.po
index c14f32a302..ac963e6497 100644
--- a/modules/luci-base/po/ro/base.po
+++ b/modules/luci-base/po/ro/base.po
@@ -58,8 +58,8 @@ msgid "-- Additional Field --"
 msgstr "-- Camp suplimentar --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -148,15 +148,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr>port de apelare"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> port server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -168,7 +168,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "Adresa <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>"
 
@@ -192,7 +192,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Poarta Acces"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -204,21 +204,21 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Configurare"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Nume"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-Addresa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -226,7 +226,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> marime pachet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">Max.</abbr> interogari simultane"
 
@@ -360,11 +360,11 @@ msgstr "Lease-uri DHCPv6 active"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -405,7 +405,7 @@ msgstr "Adaugă instanţă"
 msgid "Add key"
 msgstr "Adaugă cheie"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Adauga un sufix local numelor servite din fisierele de tip hosts"
 
@@ -418,11 +418,11 @@ msgstr "Adauga interfata noua.."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Fisiere de tip hosts aditionale"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr "Adresa de acces punte locala repetor"
 msgid "Administration"
 msgstr "Administrare"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -477,17 +477,17 @@ msgstr "Interfață alias"
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Alocă IP-urile secvențial"
 
@@ -512,7 +512,7 @@ msgstr "Permite rate de transfer legacy 802.11b"
 msgid "Allow listed only"
 msgstr "Permite doar cele listate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Permite localhost"
 
@@ -528,7 +528,7 @@ msgstr "Permite autentificarea contului root cu parola"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Permite contului <em>root</em> sa se autentifice cu parola"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -548,6 +548,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -700,7 +704,7 @@ msgstr "Autentificare"
 msgid "Authentication Type"
 msgstr "Tipul Autentificării"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Autoritare"
 
@@ -832,7 +836,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -852,7 +856,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bitrate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Bogus NX Domain Override"
 
@@ -1098,7 +1102,7 @@ msgstr "Colectare date..."
 msgid "Command"
 msgstr "Comandă"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1160,7 +1164,7 @@ msgstr "Conectat"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Conexiunea s-a pierdut"
 
@@ -1265,7 +1269,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "Server DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP si DNS"
@@ -1301,7 +1305,7 @@ msgstr "Serviciu DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1309,11 +1313,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1392,10 +1396,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1537,7 +1541,7 @@ msgstr "Dezactivat"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1552,7 +1556,8 @@ msgstr "Deconectează"
 msgid "Disconnection attempt failed"
 msgstr "Încercarea deconectării a eșuat"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1569,7 +1574,7 @@ msgstr "Optimizarea distantei"
 msgid "Distance to farthest network member in meters."
 msgstr "Distanta catre cel mai departat membru din retea in metri."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1577,15 +1582,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1605,11 +1610,11 @@ msgstr "Sigur doriți să ștergeți toate setările?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domeniul necesar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1617,7 +1622,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr "Nu Fragmenta"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1639,7 +1644,7 @@ msgstr "Descarcă mtdblock-ul"
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1680,9 +1685,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1758,7 +1763,7 @@ msgstr "Activează client NTP"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Activeaza serverul TFTP"
 
@@ -1879,11 +1884,11 @@ msgstr "Adaptor de retea ethernet"
 msgid "Ethernet Switch"
 msgstr "Switch-ul ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Exclude interfeţe"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1892,13 +1897,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1975,7 +1981,7 @@ msgstr "Fișierul nu este accesibil"
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1984,11 +1990,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr "Sistem de fisiere"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtreaza privatele"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtreaza nefolositele"
 
@@ -2035,7 +2041,7 @@ msgstr "Fișier firmware"
 msgid "Firmware Version"
 msgstr "Versiunea de firmware"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Portul sursa pentru intrebarile DNS catre exterior"
 
@@ -2160,7 +2166,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2207,8 +2213,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2279,7 +2285,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2582,7 +2588,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2590,7 +2596,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr "Ignoră interfața"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2758,11 +2764,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2891,7 +2897,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2903,7 +2909,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2928,11 +2934,11 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Limita"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2956,7 +2962,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2984,15 +2990,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3004,7 +3010,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3049,7 +3055,7 @@ msgstr "Adresa IPv4 locala"
 msgid "Local IPv6 address"
 msgstr "Adresa IPv6 locala"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3062,31 +3068,31 @@ msgstr "Pornire la startup"
 msgid "Local Time"
 msgstr "Ora locala"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Domeniu local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Server local"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3098,7 +3104,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3209,15 +3215,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Numarul maxim de intrebari DNS simultane"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3270,7 +3276,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3347,7 +3353,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Mai mult…"
 
@@ -3436,7 +3442,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3468,7 +3474,7 @@ msgstr "Retea"
 msgid "Network Utilities"
 msgstr "Utilitare de retea"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3489,7 +3495,7 @@ msgstr "Nume nou interfață…"
 msgid "Next »"
 msgstr "Mai departe »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Nu"
@@ -3518,7 +3524,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Nu sunt date recepționate"
 
@@ -3542,7 +3548,7 @@ msgstr "Nici o informatie disponibila"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3592,7 +3598,7 @@ msgstr "Zgomot:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3630,7 +3636,7 @@ msgstr "Nu este prezent"
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3642,7 +3648,7 @@ msgstr "Notificare"
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3689,7 +3695,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3725,6 +3731,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr "Frecvență de operare"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Optiunea schimbata"
@@ -4088,7 +4103,7 @@ msgstr "Restarteaza"
 msgid "Perform reset"
 msgstr "Reseteaza"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4178,7 +4193,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4248,7 +4263,7 @@ msgstr ""
 msgid "Quality"
 msgstr "Calitate"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4315,7 +4330,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4335,7 +4350,7 @@ msgstr "Grafice in timp real"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4419,7 +4434,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4477,7 +4492,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4528,15 +4543,15 @@ msgstr "Reseteaza counterii"
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Fisierele de rezolvare si hosturi DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Fisierul de rezolvare"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Resursa nu a fost găsită"
 
@@ -4583,7 +4598,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4682,7 +4697,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4698,6 +4713,10 @@ msgstr "Salvează"
 msgid "Save & Apply"
 msgstr "Salveaza si aplica"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4751,7 +4770,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Setarile serverului"
 
@@ -4857,7 +4876,7 @@ msgstr "Semnal:"
 msgid "Size"
 msgstr "Marime"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4991,7 +5010,7 @@ msgstr "Rute statice IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Rute statice IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -5005,7 +5024,7 @@ msgstr "Rute statice"
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5033,7 +5052,7 @@ msgstr "Stop"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Ordine strictă"
 
@@ -5046,11 +5065,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Trimite"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Suprimă logarea"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5106,7 +5125,7 @@ msgstr ""
 msgid "System"
 msgstr "Sistem"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Log de sistem"
@@ -5123,11 +5142,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Setarile TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5345,8 +5364,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5380,7 +5399,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5413,7 +5432,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5449,8 +5468,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5580,7 +5599,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5641,7 +5660,7 @@ msgstr "Necunoscut"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5665,7 +5684,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Modificari nesalvate"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5732,7 +5751,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Uptime"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Foloseste <code>/etc/ethers</code>"
 
@@ -5851,7 +5870,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6072,7 +6091,7 @@ msgstr "Reteaua wireless este dezactivata"
 msgid "Wireless network is enabled"
 msgstr "Reteaua wireless este activata"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Scrie cererile DNS primite in syslog"
 
@@ -6080,7 +6099,7 @@ msgstr "Scrie cererile DNS primite in syslog"
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Da"
@@ -6122,7 +6141,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "oricare"
 
@@ -6217,14 +6236,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "expirat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6284,7 +6303,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6312,7 +6331,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6420,15 +6439,15 @@ msgstr ""
 msgid "unknown"
 msgstr "necunoscut"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "nelimitat"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6450,7 +6469,8 @@ msgid "untagged"
 msgstr "neetichetat"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6463,7 +6483,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6492,7 +6512,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6552,9 +6572,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6580,7 +6600,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/ru/base.po b/modules/luci-base/po/ru/base.po
index d2c31ddf52..178b2975cd 100644
--- a/modules/luci-base/po/ru/base.po
+++ b/modules/luci-base/po/ru/base.po
@@ -61,8 +61,8 @@ msgid "-- Additional Field --"
 msgstr "-- Дополнительно --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -153,15 +153,15 @@ msgstr "802.11w время ожидания повтора"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Идентификатор Набора Базовых Сервисов\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Система доменных имён\">DNS</abbr> порт запроса"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Система доменных имен\">DNS</abbr> порт сервера"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -173,7 +173,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Расширенный идентификатор обслуживания\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Интернет протокол версии 4\">IPv4</abbr>-адрес"
 
@@ -197,7 +197,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Интернет протокол версии 6\">IPv6</abbr>-шлюз"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr "<abbr title=\"Интернет протокол версии 6\">IPv6</abbr>-суффикс (hex)"
 
@@ -209,15 +209,15 @@ msgstr "Настройка <abbr title=\"Светодиод\">LED</abbr> инд�
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Имя <abbr title=\"Светодиод\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Управление доступом к носителю\">MAC</abbr>-адрес"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"Уникальный идентификатор DHCP\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -225,7 +225,7 @@ msgstr ""
 "<abbr title=\"максимальное\">Макс.</abbr> кол-во аренд <abbr title="
 "\"Протокол динамической настройки узла\">DHCP</abbr> аренды"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -233,7 +233,7 @@ msgstr ""
 "<abbr title=\"максимальный\">Макс.</abbr><abbr title=\"Extension Mechanisms "
 "for Domain Name System\">EDNS0</abbr> размер пакета"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 "<abbr title=\"максимальное\">Макс.</abbr> кол-во одновременных запросов"
@@ -371,11 +371,11 @@ msgstr "Активные DHCPv6 аренды"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -416,7 +416,7 @@ msgstr "Добавить экземпляр"
 msgid "Add key"
 msgstr "Добавить ключ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 "Добавить локальный суффикс домена для имен из файла хостов (/etc/hosts)"
@@ -430,11 +430,11 @@ msgstr "Добавить новый интерфейс..."
 msgid "Add peer"
 msgstr "Добавить узел (peer)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Дополнительный hosts файл"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Дополнительные файлы серверов"
 
@@ -460,7 +460,7 @@ msgstr "Адрес для доступа к локальному мосту-ре
 msgid "Administration"
 msgstr "Управление"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -489,18 +489,18 @@ msgstr "Псевдоним"
 msgid "Alias of \"%s\""
 msgstr "Псевдоним интерфейса \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Все серверы"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 "Выделять IP-адреса последовательно, начинать с меньшего доступного адреса"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Выделять IP-адреса последовательно"
 
@@ -528,7 +528,7 @@ msgstr "Разрешить использование стандарта 802.11b
 msgid "Allow listed only"
 msgstr "Разрешить только перечисленные"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Разрешить локальный хост"
 
@@ -547,7 +547,7 @@ msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 "Разрешить пользователю <em>root</em> входить в систему с помощью пароля"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -570,6 +570,10 @@ msgstr ""
 "Всегда использовать каналы 40 МГц, даже если вторичный канал перекрывается. "
 "Использование этой опции не соответствует стандарту IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -729,7 +733,7 @@ msgstr "Аутентификация"
 msgid "Authentication Type"
 msgstr "Тип аутентификации"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Основной"
 
@@ -870,7 +874,7 @@ msgstr ""
 "состоит из измененных config файлов, отмеченных opkg, необходимых базовых "
 "файлов, а также шаблонов резервного копирования, определенных пользователем."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -892,7 +896,7 @@ msgstr "Открытый туннель для этого интерфейса (
 msgid "Bitrate"
 msgstr "Скорость"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Переопределение поддельного NX-домена"
 
@@ -1160,7 +1164,7 @@ msgstr "Сбор данных..."
 msgid "Command"
 msgstr "Команда"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Успешное выполнение"
 
@@ -1220,7 +1224,7 @@ msgstr "Подключен"
 msgid "Connection attempt failed"
 msgstr "Ошибка попытки соединения"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Подключение потеряно"
 
@@ -1329,7 +1333,7 @@ msgstr "DAE-секрет"
 msgid "DHCP Server"
 msgstr "DHCP-сервер"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP и DNS"
@@ -1365,7 +1369,7 @@ msgstr "DHCPv6 сервис"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Перенаправление запросов DNS"
 
@@ -1373,11 +1377,11 @@ msgstr "Перенаправление запросов DNS"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-Label / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC проверка без знака"
 
@@ -1459,10 +1463,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\", чтобы известить клиентов о DNS-"
 "серверах."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1604,7 +1608,7 @@ msgstr "Отключено"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Не ассоциировать при низком подтверждении"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Отбрасывать ответы внешней сети RFC1918"
 
@@ -1619,7 +1623,8 @@ msgstr "Отключить"
 msgid "Disconnection attempt failed"
 msgstr "Ошибка попытки отключения"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1636,7 +1641,7 @@ msgstr "Оптимизация расстояния"
 msgid "Distance to farthest network member in meters."
 msgstr "Расстояние до самого удалённого сетевого узла в метрах."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1648,17 +1653,17 @@ msgstr ""
 "прокси для сетевых экранов <abbr title=\"Преобразование сетевых адресов"
 "\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Не кешировать отрицательные ответы, в т.ч. для несуществующих доменов"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Не перенаправлять запросы, которые не могут быть обработаны публичными DNS-"
 "серверами"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Не перенаправлять обратные DNS-запросы для локальных сетей"
 
@@ -1678,11 +1683,11 @@ msgstr "Вы действительно хотите стереть все на�
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Вы действительно хотите рекурсивно удалить директорию «%s»?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Требуется домен"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Белый список доменов"
 
@@ -1690,7 +1695,7 @@ msgstr "Белый список доменов"
 msgid "Don't Fragment"
 msgstr "Не фрагментировать"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1714,7 +1719,7 @@ msgstr "Скачать MTD раздел"
 msgid "Downstream SNR offset"
 msgstr "SNR offset внутренней сети"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Перетащите, чтобы изменить порядок"
 
@@ -1760,9 +1765,9 @@ msgstr "EA-bits длина"
 msgid "EAP-Method"
 msgstr "Метод EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1842,7 +1847,7 @@ msgstr "Включить NTP-клиент"
 msgid "Enable Single DES"
 msgstr "Включить Single DES"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Включить TFTP-сервер"
 
@@ -1967,11 +1972,11 @@ msgstr "Ethernet-адаптер"
 msgid "Ethernet Switch"
 msgstr "Ethernet-коммутатор"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Исключить интерфейсы"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Расширять имена узлов"
 
@@ -1980,13 +1985,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Ожидается шестнадцатеричное значение подсказки присвоения"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Ожидается: %s"
 
@@ -2065,7 +2071,7 @@ msgstr "Файл не доступен"
 msgid "Filename"
 msgstr "Имя файла"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Имя загрузочного образа, извещаемого клиентам"
 
@@ -2074,11 +2080,11 @@ msgstr "Имя загрузочного образа, извещаемого к�
 msgid "Filesystem"
 msgstr "Файловая система"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Фильтровать частные"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Фильтровать бесполезные"
 
@@ -2128,7 +2134,7 @@ msgstr "Файл прошивки"
 msgid "Firmware Version"
 msgstr "Версия прошивки"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Фиксированный порт для исходящих DNS-запросов"
 
@@ -2254,7 +2260,7 @@ msgstr "Неверный адрес шлюза"
 msgid "Gateway metric"
 msgstr "Метрика шлюза"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2301,8 +2307,8 @@ msgstr "Основные настройки сети"
 msgid "Go to password configuration..."
 msgstr "Перейти к настройке пароля..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2373,7 +2379,7 @@ msgid "Host-Uniq tag content"
 msgstr "Содержимое Host-Uniq тега"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2686,7 +2692,7 @@ msgstr ""
 "устройство, на котором располагается раздел подкачки, работает гораздо "
 "медленнее, чем <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Игнорировать <code>/etc/hosts</code>"
 
@@ -2694,7 +2700,7 @@ msgstr "Игнорировать <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Игнорировать интерфейс"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Игнорировать файл resolv"
 
@@ -2869,11 +2875,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "Указан неверный VLAN ID! Доступны только уникальные ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Неверный аргумент"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Неверная команда"
 
@@ -3001,7 +3007,7 @@ msgstr "Задержка"
 msgid "Leaf"
 msgstr "Лист"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Время аренды адреса"
@@ -3013,7 +3019,7 @@ msgstr "Время аренды адреса"
 msgid "Lease time remaining"
 msgstr "Оставшееся время аренды"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Файл аренд"
 
@@ -3038,11 +3044,11 @@ msgstr "События:"
 msgid "Limit"
 msgstr "Предел"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr "Ограничение сервиса DNS, для подсетей интерфейса использующего DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "Ограничьте прослушивание этих интерфейсов и замыкание на себя."
 
@@ -3066,7 +3072,7 @@ msgstr "Время бесперебойной работы линии"
 msgid "Link On"
 msgstr "Подключение"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3106,15 +3112,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Список файлов ключей SSH для авторизации"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Список доменов, для которых разрешены ответы RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Список хостов, поставляющих поддельные результаты домена NX"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Интерфейс для входящих соединений"
 
@@ -3128,7 +3134,7 @@ msgstr ""
 "Принимать подключения только на указанном интерфейсе или, если интерфейс не "
 "задан, на всех интерфейсах"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Порт для входящих DNS-запросов"
 
@@ -3173,7 +3179,7 @@ msgstr "Локальный IPv4-адрес"
 msgid "Local IPv6 address"
 msgstr "Локальный IPv6-адрес"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Только локальный DNS"
 
@@ -3186,11 +3192,11 @@ msgstr "Запуск пакетов и служб пользователя, пр
 msgid "Local Time"
 msgstr "Дата и время"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Локальный домен"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3199,17 +3205,17 @@ msgstr ""
 "передаются. И разрешаются только из файла DHCP (/etc/config/dhcp) или файла "
 "хостов (/etc/hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Суффикс локального домена, который будет добавлен к DHCP-именам и записи "
 "файла хостов (/etc/hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Локальный сервер"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3217,7 +3223,7 @@ msgstr ""
 "Локализировать имя хоста в зависимости от запрашиваемой подсети, если "
 "доступно несколько IP-адресов"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Локализовывать запросы"
 
@@ -3229,7 +3235,7 @@ msgstr "Подключаться к BSSID"
 msgid "Log output level"
 msgstr "Запись событий"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Запись запросов"
 
@@ -3342,15 +3348,15 @@ msgstr "Макс. достижимая скорость передачи дан�
 msgid "Maximum allowed Listen Interval"
 msgstr "Максимально разрешенное значение интервала прослушивания клиента"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Максимальное количество активных арендованных DHCP-адресов"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Максимально допустимое количество одновременных DNS-запросов"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Максимально допустимый размер UDP пакетов EDNS.0"
 
@@ -3403,7 +3409,7 @@ msgstr "Mesh ID"
 msgid "Mesh Id"
 msgstr "Mesh ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Метод не найден"
 
@@ -3480,7 +3486,7 @@ msgstr "Монитор"
 msgid "More Characters"
 msgstr "Слишком мало символов"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Больше…"
 
@@ -3571,7 +3577,7 @@ msgstr "NT домен"
 msgid "NTP server candidates"
 msgstr "Список NTP-серверов"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3603,7 +3609,7 @@ msgstr "Сеть"
 msgid "Network Utilities"
 msgstr "Сетевые утилиты"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Образ системы для сетевой загрузки"
 
@@ -3624,7 +3630,7 @@ msgstr "Новое имя интерфейса…"
 msgid "Next »"
 msgstr "Следующий »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Нет"
@@ -3653,7 +3659,7 @@ msgstr "Rx сигнал отсутствует"
 msgid "No client associated"
 msgstr "Нет связанных клиентов"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Данные не получены"
 
@@ -3677,7 +3683,7 @@ msgstr "Нет доступной информации"
 msgid "No matching prefix delegation"
 msgstr "Отсутствует соответствующая делегация префикса"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Отключить кэш отрицательных ответов"
 
@@ -3727,7 +3733,7 @@ msgstr "Шум:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Ошибки без предварительного CRC (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Не использовать wildcard"
 
@@ -3765,7 +3771,7 @@ msgstr "Не существует"
 msgid "Not started on boot"
 msgstr "Не запускается при загрузке"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Не поддерживается"
 
@@ -3777,7 +3783,7 @@ msgstr "Заметка"
 msgid "Nslookup"
 msgstr "DNS-запрос"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Количество кэшированных DNS записей (максимум — 10000, 0 — отключить "
@@ -3826,7 +3832,7 @@ msgstr "On-link маршрут"
 msgid "On-State Delay"
 msgstr "Задержка включенного состояния"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Должен быть указан либо MAC-адрес, либо имя хоста!"
 
@@ -3862,6 +3868,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Настройка частоты"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Опция изменена"
@@ -4241,7 +4256,7 @@ msgstr "Выполнить перезагрузку"
 msgid "Perform reset"
 msgstr "Выполнить сброс"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Доступ запрещён"
 
@@ -4333,7 +4348,7 @@ msgstr ""
 "Предполагать, что узел недоступен после указанного количества ошибок "
 "получения эхо-пакета LCP, введите '0' для игнорирования ошибок"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Запретить прослушивание этих интерфейсов."
 
@@ -4409,7 +4424,7 @@ msgstr "QMI сотовый"
 msgid "Quality"
 msgstr "Качество"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4480,7 +4495,7 @@ msgstr ""
 "Строка в шестнадцатеричном коде. Оставьте пустой, если ваш провайдер не "
 "требует этого"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4500,7 +4515,7 @@ msgstr "Графики в реальном времени"
 msgid "Reassociation Deadline"
 msgstr "Срок реассоциации"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Защита от DNS Rebinding"
 
@@ -4585,7 +4600,7 @@ msgstr "Запрос IPv6 адреса"
 msgid "Request IPv6-prefix of length"
 msgstr "Запрос IPv6 префикс длины"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Таймаут запроса"
 
@@ -4648,7 +4663,7 @@ msgstr ""
 "Требуется 'полная' версия wpad/hostapd и поддержка со стороны WiFi драйвера  "
 "в  <br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4701,15 +4716,15 @@ msgstr "Сбросить счётчики"
 msgid "Reset to defaults"
 msgstr "Сбросить на значения по умолчанию"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Файлы resolv и hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Файл resolv"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Ресурс не найден"
 
@@ -4756,7 +4771,7 @@ msgstr "Ошибка <code>%h</code> отмены конфигурации"
 msgid "Reverting configuration…"
 msgstr "Отмена конфигурации…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Корневая директория для файлов сервера, вроде TFTP"
 
@@ -4857,7 +4872,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "Разделы подкачки (swap)"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4873,6 +4888,10 @@ msgstr "Сохранить"
 msgid "Save & Apply"
 msgstr "Сохранить и применить"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Сохранить MTD раздел"
@@ -4931,7 +4950,7 @@ msgstr ""
 "Отправлять эхо-пакеты LCP с указанным интервалом (секунды), эффективно "
 "только в сочетании с порогом ошибок"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Настройки сервера"
 
@@ -5040,7 +5059,7 @@ msgstr "Сигнал:"
 msgid "Size"
 msgstr "Размер"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Размер кэша DNS запроса"
 
@@ -5188,7 +5207,7 @@ msgstr "Статические маршруты IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Статические маршруты IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Постоянные аренды"
 
@@ -5202,7 +5221,7 @@ msgstr "Статические маршруты"
 msgid "Static address"
 msgstr "Статический адрес"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5233,7 +5252,7 @@ msgstr "Остановить"
 msgid "Stop refresh"
 msgstr "Остановить обновление"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Строгий порядок"
 
@@ -5246,11 +5265,11 @@ msgstr "Сильная"
 msgid "Submit"
 msgstr "Применить"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Подавить логирование"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Подавить логирование стандартной работы этих протоколов"
 
@@ -5308,7 +5327,7 @@ msgstr "Синхронизировать с браузером"
 msgid "System"
 msgstr "Система"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Системный журнал"
@@ -5325,11 +5344,11 @@ msgstr "Размер системного журнала"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Настройки TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP сервер root"
 
@@ -5585,8 +5604,8 @@ msgstr ""
 "Загруженный файл прошивки не поддерживается. Проверьте, что вы загрузили "
 "подходящую прошивку для чипа вашего устройства."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5620,7 +5639,7 @@ msgstr "Этот тип аутентификации не применим к в
 msgid "This does not look like a valid PEM file"
 msgstr "Это не похоже на корректный PEM файл"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5666,7 +5685,7 @@ msgstr ""
 "Это локальный адрес, назначенный туннельным брокером, обычно заканчивается "
 "на <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5708,8 +5727,8 @@ msgid ""
 msgstr ""
 "Эта опция не может быть использована, так как пакет ca-bundle не установлен."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5843,7 +5862,7 @@ msgid "Unable to dispatch"
 msgstr "Невозможно обработать запрос для"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Невозможно загрузить данные журнала:"
 
@@ -5904,7 +5923,7 @@ msgstr "Неизвестно"
 msgid "Unknown error (%s)"
 msgstr "Неизвестная ошибка (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Неизвестный код ошибки"
 
@@ -5928,7 +5947,7 @@ msgstr "Ключ без имени"
 msgid "Unsaved Changes"
 msgstr "Не принятые изменения"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Неопознанная ошибка"
 
@@ -5999,7 +6018,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Время работы"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Использовать <code>/etc/ethers</code>"
 
@@ -6119,7 +6138,7 @@ msgid "Use system certificates for inner-tunnel"
 msgstr ""
 "Использовать системные сертификаты для внутреннего туннеля (inner-tunnel)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6356,7 +6375,7 @@ msgstr "Беспроводная сеть отключена"
 msgid "Wireless network is enabled"
 msgstr "Беспроводная сеть включена"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Записывать полученные DNS-запросы в системный журнал"
 
@@ -6364,7 +6383,7 @@ msgstr "Записывать полученные DNS-запросы в сист
 msgid "Write system log to file"
 msgstr "Записывать системные события в файл"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Да"
@@ -6414,7 +6433,7 @@ msgstr "Настройки ZRam"
 msgid "ZRam Size"
 msgstr "Размер ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "любой"
 
@@ -6509,14 +6528,14 @@ msgstr "отключено"
 msgid "driver default"
 msgstr "умолчания драйвера"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "истекло"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6578,7 +6597,7 @@ msgstr "ключ длиной от 8 до 63 символов"
 msgid "key with either 5 or 13 characters"
 msgstr "ключ длиной 5 или 13 символов"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "Локальный <abbr title=\"Служба доменных имён\">DNS</abbr>-файл"
 
@@ -6606,7 +6625,7 @@ msgstr "нет соединения"
 msgid "non-empty value"
 msgstr "не пустое значение"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "ничего"
 
@@ -6714,15 +6733,15 @@ msgstr "уникальное значение"
 msgid "unknown"
 msgstr "неизвестный"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "без ограничений"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6744,7 +6763,8 @@ msgid "untagged"
 msgstr "без тега"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "верный IP-адрес"
 
@@ -6757,7 +6777,7 @@ msgid "valid IPv4 CIDR"
 msgstr "верная IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "верный IPv4 адрес"
 
@@ -6786,7 +6806,7 @@ msgid "valid IPv6 CIDR"
 msgstr "верная IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "верный IPv6 адрес"
 
@@ -6846,9 +6866,9 @@ msgstr "верное имя хоста:порт"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "верное имя хоста"
 
@@ -6874,7 +6894,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "верный порт или диапазон портов (порт1-порт2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "верное значение порта"
 
diff --git a/modules/luci-base/po/sk/base.po b/modules/luci-base/po/sk/base.po
index 7b95f916a2..b4f7bdb8b9 100644
--- a/modules/luci-base/po/sk/base.po
+++ b/modules/luci-base/po/sk/base.po
@@ -57,8 +57,8 @@ msgid "-- Additional Field --"
 msgstr "-- Dodatočné pole --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -147,15 +147,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "Port <abbr title=\"Domain Name System\">DNS</abbr> servera"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -165,7 +165,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr ""
 
@@ -188,7 +188,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -200,15 +200,15 @@ msgstr "Konfigurácia <abbr title=\"Light Emitting Diode\">LED</abbr>"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Názov <abbr title=\"Light Emitting Diode\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -216,13 +216,13 @@ msgstr ""
 "<abbr title=\"maximalny\">Max. počet</abbr> <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr> prenájmov"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -355,11 +355,11 @@ msgstr "Aktívne DHCPv6 prenájmy"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -400,7 +400,7 @@ msgstr "Pridať inštanciu"
 msgid "Add key"
 msgstr "Pridať kľúč"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -413,11 +413,11 @@ msgstr "Pridať nové rozhranie..."
 msgid "Add peer"
 msgstr "Pridať účastníka"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Súbor s dodatočnými servermi"
 
@@ -443,7 +443,7 @@ msgstr ""
 msgid "Administration"
 msgstr "Administrácia"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -472,17 +472,17 @@ msgstr "Prezývka rozhrania"
 msgid "Alias of \"%s\""
 msgstr "Prezývka pre „%s“"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Všetky servery"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -506,7 +506,7 @@ msgstr "Umožniť zastaralé rýchlosti 802.11b"
 msgid "Allow listed only"
 msgstr "Povoliť iba zo zoznamu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -522,7 +522,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -543,6 +543,10 @@ msgstr ""
 "Vždy použiť kanály so šírkou 40MHz, aj keď sa druhý kanál prekrýva. Použitie "
 "tejto voľby je v rozpore so štandardom IEEE 802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -696,7 +700,7 @@ msgstr "Overenie totožnosti"
 msgid "Authentication Type"
 msgstr "Typ overenia totožnosti"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr ""
 
@@ -828,7 +832,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -848,7 +852,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bitová rýchlosť"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1098,7 +1102,7 @@ msgstr "Zbieram dáta..."
 msgid "Command"
 msgstr "Príkaz"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Príkaz vykonaný v poriadku"
 
@@ -1154,7 +1158,7 @@ msgstr "Pripojené"
 msgid "Connection attempt failed"
 msgstr "Pokus o pripojenie zlyhal"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Pripojenie stratené"
 
@@ -1261,7 +1265,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "Server DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP a DNS"
@@ -1297,7 +1301,7 @@ msgstr "Služba DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Presmerovania DNS"
 
@@ -1305,11 +1309,11 @@ msgstr "Presmerovania DNS"
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1388,10 +1392,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1532,7 +1536,7 @@ msgstr "Zakázané"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1547,7 +1551,8 @@ msgstr "Odpojiť"
 msgid "Disconnection attempt failed"
 msgstr "Pokus o odpojenie zlyhal"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1564,7 +1569,7 @@ msgstr "Optimalizácia vzdialenosti"
 msgid "Distance to farthest network member in meters."
 msgstr "Vzdialenosť v metroch k najvzdialenejšiemu členovi siete."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1572,15 +1577,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1600,11 +1605,11 @@ msgstr "Naozaj chcete vymazať všetky nastavenia?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Naozaj chcete rekurzívne odstrániť adresár „%s“?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Vyžaduje sa doména"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Biela listina domén"
 
@@ -1612,7 +1617,7 @@ msgstr "Biela listina domén"
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1634,7 +1639,7 @@ msgstr "Stiahnuť mtdblock"
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1675,9 +1680,9 @@ msgstr "Dĺžka bitov EA"
 msgid "EAP-Method"
 msgstr "Spôsob EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1755,7 +1760,7 @@ msgstr "Povoliť klienta NTP"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Povoliť server TFTP"
 
@@ -1876,11 +1881,11 @@ msgstr "Adaptér siete Ethernet"
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1889,13 +1894,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Očakáva sa: %s"
 
@@ -1974,7 +1980,7 @@ msgstr "Súbor nie je prístupný"
 msgid "Filename"
 msgstr "Názov súboru"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1983,11 +1989,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr "Súborový systém"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2034,7 +2040,7 @@ msgstr "Súbor firmvéru"
 msgid "Firmware Version"
 msgstr "Verzia firmvéru"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2158,7 +2164,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2205,8 +2211,8 @@ msgstr "Globálne voľby siete"
 msgid "Go to password configuration..."
 msgstr "Prejsť na konfiguráciu hesla..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2277,7 +2283,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2580,7 +2586,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2588,7 +2594,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr "Ignorovať rozhranie"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2756,11 +2762,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Neplatný parameter"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Neplatný príkaz"
 
@@ -2888,7 +2894,7 @@ msgstr "Oneskorenie"
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Čas prenájmu"
@@ -2900,7 +2906,7 @@ msgstr "Čas prenájmu"
 msgid "Lease time remaining"
 msgstr "Zostávajúci čas prenájmu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2925,11 +2931,11 @@ msgstr "Legenda:"
 msgid "Limit"
 msgstr "Obmedzenie"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr "Obmedziť službu DNS rozhraniam podsietí, ktorým sa poskytuje DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2953,7 +2959,7 @@ msgstr "Doba pripojenia linky"
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2981,15 +2987,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Načúvacie rozhrania"
 
@@ -3002,7 +3008,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Načúvať iba na zadaných rozhraniach, alebo na všetkých, ak nie sú určené"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3047,7 +3053,7 @@ msgstr "Miestna adresa IPv4"
 msgid "Local IPv6 address"
 msgstr "Miestna adresa IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Iba miestna služba"
 
@@ -3060,31 +3066,31 @@ msgstr ""
 msgid "Local Time"
 msgstr "Miestny čas"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Miestna doména"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Miestny server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Lokalizovať požiadavky"
 
@@ -3096,7 +3102,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Úroveň výstupného záznamu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3207,15 +3213,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3268,7 +3274,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Spôsob sa nenašiel"
 
@@ -3345,7 +3351,7 @@ msgstr ""
 msgid "More Characters"
 msgstr "Viac znakov"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Viac…"
 
@@ -3434,7 +3440,7 @@ msgstr "Doména NT"
 msgid "NTP server candidates"
 msgstr "Kandidáti serverov NTP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3466,7 +3472,7 @@ msgstr "Sieť"
 msgid "Network Utilities"
 msgstr "Sieťové nástroje"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3487,7 +3493,7 @@ msgstr "Názov nového rozhrania…"
 msgid "Next »"
 msgstr "Ďalej »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Nie"
@@ -3516,7 +3522,7 @@ msgstr ""
 msgid "No client associated"
 msgstr "Nie je priradený žiadny klient"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Neboli prijaté žiadne údaje"
 
@@ -3540,7 +3546,7 @@ msgstr "Nie sú dostupné žiadne informácie"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3590,7 +3596,7 @@ msgstr "Šum:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3628,7 +3634,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Nepodporované"
 
@@ -3640,7 +3646,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3687,7 +3693,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3723,6 +3729,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr "Pracovná frekvencia"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Voľba zmenená"
@@ -4086,7 +4101,7 @@ msgstr "Vykonať reštart"
 msgid "Perform reset"
 msgstr "Vykonať obnovenie"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Prístup zamietnutý"
 
@@ -4176,7 +4191,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4246,7 +4261,7 @@ msgstr ""
 msgid "Quality"
 msgstr "Kvalita"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4313,7 +4328,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4331,7 +4346,7 @@ msgstr "Grafy v reálnom čase"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4415,7 +4430,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4473,7 +4488,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4524,15 +4539,15 @@ msgstr ""
 msgid "Reset to defaults"
 msgstr "Obnoviť na predvolené hodnoty"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Prostriedok sa nenašiel"
 
@@ -4579,7 +4594,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr "Vracia sa späť konfigurácia…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4680,7 +4695,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4696,6 +4711,10 @@ msgstr "Uložiť"
 msgid "Save & Apply"
 msgstr "Uložiť a použiť"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Uložiť mtdblock"
@@ -4749,7 +4768,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Nastavenia servera"
 
@@ -4855,7 +4874,7 @@ msgstr "Signál:"
 msgid "Size"
 msgstr "Veľkosť"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4992,7 +5011,7 @@ msgstr "Statické IPv4 smerovania"
 msgid "Static IPv6 Routes"
 msgstr "Statické IPv6 smerovania"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Statické prenájmy"
 
@@ -5006,7 +5025,7 @@ msgstr "Pevné smerovania"
 msgid "Static address"
 msgstr "Pevná adresa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5034,7 +5053,7 @@ msgstr "Zastaviť"
 msgid "Stop refresh"
 msgstr "Zastaviť obnovu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5047,11 +5066,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Odoslať"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5107,7 +5126,7 @@ msgstr "Synch. s prehliadačom"
 msgid "System"
 msgstr "Systém"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Systémový denník"
@@ -5124,11 +5143,11 @@ msgstr "Veľkosť vyrovnávacej pamäte systémového denníka"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Nastavenia TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Koreňový priečinok servera TFTP"
 
@@ -5354,8 +5373,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5390,7 +5409,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5425,7 +5444,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5463,8 +5482,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5598,7 +5617,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5659,7 +5678,7 @@ msgstr "Neznáme"
 msgid "Unknown error (%s)"
 msgstr "Neznáma chyba (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Neznámy kód chyby"
 
@@ -5683,7 +5702,7 @@ msgstr "Kľúč bez názvu"
 msgid "Unsaved Changes"
 msgstr "Neuložené zmeny"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Nešpecifikovaná chyba"
 
@@ -5752,7 +5771,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Doba spustenia"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5871,7 +5890,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6090,7 +6109,7 @@ msgstr "Bezdrôtová sieť je zakázaná"
 msgid "Wireless network is enabled"
 msgstr "Bezdrôtová sieť je povolená"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6098,7 +6117,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr "Zapísať systémový denník do súboru"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Áno"
@@ -6144,7 +6163,7 @@ msgstr "Nastavenia ZRam"
 msgid "ZRam Size"
 msgstr "Veľkosť ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6239,14 +6258,14 @@ msgstr ""
 msgid "driver default"
 msgstr "Predvolené ovládačom"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6306,7 +6325,7 @@ msgstr "kľúč v rozpätí 8 a 63 znakov"
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6334,7 +6353,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6442,15 +6461,15 @@ msgstr "jedinečná hodnota"
 msgid "unknown"
 msgstr "neznámy"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "neobmedzené"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6472,7 +6491,8 @@ msgid "untagged"
 msgstr "neoznačené"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6485,7 +6505,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6514,7 +6534,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6574,9 +6594,9 @@ msgstr "platný hostiteľ:port"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6602,7 +6622,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/sv/base.po b/modules/luci-base/po/sv/base.po
index f55eac9b4b..1663febc09 100644
--- a/modules/luci-base/po/sv/base.po
+++ b/modules/luci-base/po/sv/base.po
@@ -57,8 +57,8 @@ msgid "-- Additional Field --"
 msgstr "-- Ytterligare fält --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -147,15 +147,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr>server-port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -165,7 +165,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-adress"
 
@@ -191,7 +191,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -203,27 +203,27 @@ msgstr "<abbr title=\"Lysdiod\">LED</abbr>-konfiguration"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -355,11 +355,11 @@ msgstr "Aktiva DHCPv6-kontrakt"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -400,7 +400,7 @@ msgstr ""
 msgid "Add key"
 msgstr "Lägg till nyckel"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -413,11 +413,11 @@ msgstr "Lägg till ett nytt gränssnitt..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Ytterligare värdfiler"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Ytterligare server-filer"
 
@@ -443,7 +443,7 @@ msgstr "Adress för att komma åt lokal reläbrygga"
 msgid "Administration"
 msgstr "Administration"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -472,18 +472,18 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Alla Servrar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 "Allokera IP-adresser sekventiellt med start från den lägsta möjliga adressen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Allokera IP sekventiellt"
 
@@ -507,7 +507,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr "Tillåt enbart listade"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Tillåt localhost"
 
@@ -525,7 +525,7 @@ msgstr "Tillåt root-inloggningar med lösenord"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Tillåt <em>root</em>-användaren att logga in med lösenord"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -544,6 +544,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -696,7 +700,7 @@ msgstr "Autentisering"
 msgid "Authentication Type"
 msgstr "Typ av autentisering"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Auktoritiv"
 
@@ -828,7 +832,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -848,7 +852,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bithastighet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1094,7 +1098,7 @@ msgstr "Samlar in data..."
 msgid "Command"
 msgstr "Kommando"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1150,7 +1154,7 @@ msgstr "Ansluten"
 msgid "Connection attempt failed"
 msgstr "Anslutningsförsök misslyckades"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1252,7 +1256,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr "DHCP-server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP och DNS"
@@ -1288,7 +1292,7 @@ msgstr "DHCPv6-tjänst"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1296,11 +1300,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1379,10 +1383,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1524,7 +1528,7 @@ msgstr "Inaktiverad"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1539,7 +1543,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1556,7 +1561,7 @@ msgstr "Avståndsoptimering"
 msgid "Distance to farthest network member in meters."
 msgstr "Avstånd till nätverksmedlemmen längst bort i metrar."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1564,17 +1569,17 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Cachea inte negativa svar, t.ex för icke-existerade domäner"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Vidarebefordra inte förfrågningar som inte kan ta emot svar från publika "
 "namnservrar"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1594,11 +1599,11 @@ msgstr "Vill du verkligen radera alla inställningar?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Domän krävs"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Vitlista för domäner"
 
@@ -1606,7 +1611,7 @@ msgstr "Vitlista för domäner"
 msgid "Don't Fragment"
 msgstr "Fragmentera inte"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1630,7 +1635,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1672,9 +1677,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "EAP-metod"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1750,7 +1755,7 @@ msgstr "Aktivera NTP-klient"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Aktivera TFTP-server"
 
@@ -1871,11 +1876,11 @@ msgstr "Ethernet-adapter"
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Inkludera inte dessa gränssnitt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Expandera värdar"
 
@@ -1884,13 +1889,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1967,7 +1973,7 @@ msgstr ""
 msgid "Filename"
 msgstr "Filnamn"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1976,11 +1982,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr "Filsystem"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filtrera privata"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Filtrera icke-användbara"
 
@@ -2027,7 +2033,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Version för inre mjukvara"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2151,7 +2157,7 @@ msgstr "Ogiltig Gateway-adress"
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2198,8 +2204,8 @@ msgstr "Globala nätverksalternativ"
 msgid "Go to password configuration..."
 msgstr "Gå till lösenordskonfiguration..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2268,7 +2274,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2571,7 +2577,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ignorera <code>/etc/hosts</code>"
 
@@ -2579,7 +2585,7 @@ msgstr "Ignorera <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ignorera gränssnitt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ignorera resolv-fil"
 
@@ -2747,11 +2753,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2877,7 +2883,7 @@ msgstr "Latens"
 msgid "Leaf"
 msgstr "Löv"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Kontraktstid"
@@ -2889,7 +2895,7 @@ msgstr "Kontraktstid"
 msgid "Lease time remaining"
 msgstr "Återstående kontraktstid"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Kontraktsfil"
 
@@ -2914,11 +2920,11 @@ msgstr ""
 msgid "Limit"
 msgstr "Begränsa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2942,7 +2948,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Länk På"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2970,15 +2976,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Lista över SSH-nyckelfiler för auth"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2991,7 +2997,7 @@ msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 "Lyssna endast på det angivna gränssnittet eller, om o-specificerat på alla"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Lyssningsportar för ankommande DNS-förfrågningar"
 
@@ -3036,7 +3042,7 @@ msgstr "Lokal IPv4-adress"
 msgid "Local IPv6 address"
 msgstr "Lokal IPv6-adress"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Enbart lokal tjänst"
 
@@ -3049,31 +3055,31 @@ msgstr "Lokal uppstart"
 msgid "Local Time"
 msgstr "Lokal tid"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Lokal domän"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Lokal server"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Lokalisera förfrågningar"
 
@@ -3085,7 +3091,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3196,15 +3202,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3257,7 +3263,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3334,7 +3340,7 @@ msgstr "Övervaka"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3423,7 +3429,7 @@ msgstr "NT-domän"
 msgid "NTP server candidates"
 msgstr "NTP-serverkandidater"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3455,7 +3461,7 @@ msgstr "Nätverk"
 msgid "Network Utilities"
 msgstr "Nätverksverktyg"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Uppstartsbild för nätverket"
 
@@ -3476,7 +3482,7 @@ msgstr ""
 msgid "Next »"
 msgstr "Nästa »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Nej"
@@ -3505,7 +3511,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3529,7 +3535,7 @@ msgstr "Ingen information tillgänglig"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Ingen negativ cache"
 
@@ -3579,7 +3585,7 @@ msgstr "Buller:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3617,7 +3623,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3629,7 +3635,7 @@ msgstr "Avisering"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3676,7 +3682,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "En utav värdnamn eller MAC-adress måste anges!"
 
@@ -3712,6 +3718,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Alternativet ändrades"
@@ -4075,7 +4090,7 @@ msgstr "Utför omstart"
 msgid "Perform reset"
 msgstr "Utför återställning"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4165,7 +4180,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Förhindra lyssning på dessa gränssnitt."
 
@@ -4235,7 +4250,7 @@ msgstr "QMI-telefoni"
 msgid "Quality"
 msgstr "Kvalité"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4302,7 +4317,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4322,7 +4337,7 @@ msgstr "Realtidsgrafer"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4406,7 +4421,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4464,7 +4479,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4515,15 +4530,15 @@ msgstr "Återställ räknare"
 msgid "Reset to defaults"
 msgstr "Återställ till standard"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Resolv och Värd-filer"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Resolv-fil"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4570,7 +4585,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Root-mappen för filer som skickas via TFTP"
 
@@ -4669,7 +4684,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4685,6 +4700,10 @@ msgstr "Spara"
 msgid "Save & Apply"
 msgstr "Spara och Verkställ"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4738,7 +4757,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Server-inställningar"
 
@@ -4844,7 +4863,7 @@ msgstr "Signal:"
 msgid "Size"
 msgstr "Storlek"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4978,7 +4997,7 @@ msgstr "Statiska IPv4-rutter"
 msgid "Static IPv6 Routes"
 msgstr "Statiska IPv6-rutter"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -4992,7 +5011,7 @@ msgstr "Statiska rutter"
 msgid "Static address"
 msgstr "Statiska adresser"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5020,7 +5039,7 @@ msgstr ""
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Strikt sortering"
 
@@ -5033,11 +5052,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Skicka in"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5093,7 +5112,7 @@ msgstr "Synkronisera med webbläsare"
 msgid "System"
 msgstr "System"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Systemlogg"
@@ -5110,11 +5129,11 @@ msgstr ""
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Inställningar för TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Root för TFTP-server"
 
@@ -5332,8 +5351,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5367,7 +5386,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5400,7 +5419,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5436,8 +5455,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5569,7 +5588,7 @@ msgid "Unable to dispatch"
 msgstr "Det går inte att skicka"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5630,7 +5649,7 @@ msgstr "Okänd"
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5654,7 +5673,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr "Osparade ändringar"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5721,7 +5740,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Upptid"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Använd <code>/etc/ethers</code>"
 
@@ -5840,7 +5859,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6060,7 +6079,7 @@ msgstr "Trådlöst nätverk är avstängt"
 msgid "Wireless network is enabled"
 msgstr "Trådlöst nätverk är aktiverat"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Skriv mottagna DNS-förfrågningar till syslogg"
 
@@ -6068,7 +6087,7 @@ msgstr "Skriv mottagna DNS-förfrågningar till syslogg"
 msgid "Write system log to file"
 msgstr "Skriv systemlogg till fil"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Ja"
@@ -6112,7 +6131,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "något"
 
@@ -6207,14 +6226,14 @@ msgstr "inaktiverad"
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "slutade gälla"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6274,7 +6293,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "lokal <abbr title=\"Domain Name System\">DNS</abbr>-fil"
 
@@ -6302,7 +6321,7 @@ msgstr "ingen länk"
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "ingen"
 
@@ -6410,15 +6429,15 @@ msgstr ""
 msgid "unknown"
 msgstr "okänd"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "obegränsat"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6440,7 +6459,8 @@ msgid "untagged"
 msgstr "otaggat"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6453,7 +6473,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6482,7 +6502,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6542,9 +6562,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6570,7 +6590,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/templates/base.pot b/modules/luci-base/po/templates/base.pot
index 2547de53f4..6f9b8ebb96 100644
--- a/modules/luci-base/po/templates/base.pot
+++ b/modules/luci-base/po/templates/base.pot
@@ -46,8 +46,8 @@ msgid "-- Additional Field --"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -136,15 +136,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -154,7 +154,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr ""
 
@@ -177,7 +177,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -189,27 +189,27 @@ msgstr ""
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr ""
 
@@ -339,11 +339,11 @@ msgstr ""
 msgid "Ad-Hoc"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -384,7 +384,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -397,11 +397,11 @@ msgstr ""
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr ""
 
@@ -427,7 +427,7 @@ msgstr ""
 msgid "Administration"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -456,17 +456,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -490,7 +490,7 @@ msgstr ""
 msgid "Allow listed only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -506,7 +506,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -525,6 +525,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -677,7 +681,7 @@ msgstr ""
 msgid "Authentication Type"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr ""
 
@@ -809,7 +813,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -829,7 +833,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1072,7 +1076,7 @@ msgstr ""
 msgid "Command"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1128,7 +1132,7 @@ msgstr ""
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1230,7 +1234,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr ""
@@ -1266,7 +1270,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1274,11 +1278,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1357,10 +1361,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1500,7 +1504,7 @@ msgstr ""
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1515,7 +1519,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1532,7 +1537,7 @@ msgstr ""
 msgid "Distance to farthest network member in meters."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1540,15 +1545,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1568,11 +1573,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1580,7 +1585,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1602,7 +1607,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1643,9 +1648,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1721,7 +1726,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1842,11 +1847,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1855,13 +1860,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1938,7 +1944,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1947,11 +1953,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -1998,7 +2004,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2122,7 +2128,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2169,8 +2175,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2239,7 +2245,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2542,7 +2548,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2550,7 +2556,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2718,11 +2724,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2848,7 +2854,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2860,7 +2866,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2885,11 +2891,11 @@ msgstr ""
 msgid "Limit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2913,7 +2919,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2941,15 +2947,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2961,7 +2967,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3006,7 +3012,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3019,31 +3025,31 @@ msgstr ""
 msgid "Local Time"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3055,7 +3061,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3166,15 +3172,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3227,7 +3233,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3304,7 +3310,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3393,7 +3399,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3425,7 +3431,7 @@ msgstr ""
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3446,7 +3452,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3475,7 +3481,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3499,7 +3505,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3549,7 +3555,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3587,7 +3593,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3599,7 +3605,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3646,7 +3652,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3682,6 +3688,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4045,7 +4060,7 @@ msgstr ""
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4135,7 +4150,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4205,7 +4220,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4272,7 +4287,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4290,7 +4305,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4374,7 +4389,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4432,7 +4447,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4483,15 +4498,15 @@ msgstr ""
 msgid "Reset to defaults"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4538,7 +4553,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4637,7 +4652,7 @@ msgstr ""
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4653,6 +4668,10 @@ msgstr ""
 msgid "Save & Apply"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4706,7 +4725,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4812,7 +4831,7 @@ msgstr ""
 msgid "Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4946,7 +4965,7 @@ msgstr ""
 msgid "Static IPv6 Routes"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -4960,7 +4979,7 @@ msgstr ""
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -4988,7 +5007,7 @@ msgstr ""
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5001,11 +5020,11 @@ msgstr ""
 msgid "Submit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5061,7 +5080,7 @@ msgstr ""
 msgid "System"
 msgstr ""
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr ""
@@ -5078,11 +5097,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5300,8 +5319,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5333,7 +5352,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5366,7 +5385,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5402,8 +5421,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5533,7 +5552,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5594,7 +5613,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5618,7 +5637,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5685,7 +5704,7 @@ msgstr ""
 msgid "Uptime"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5804,7 +5823,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6023,7 +6042,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6031,7 +6050,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6073,7 +6092,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr ""
 
@@ -6168,14 +6187,14 @@ msgstr ""
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6235,7 +6254,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 
@@ -6263,7 +6282,7 @@ msgstr ""
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr ""
 
@@ -6371,15 +6390,15 @@ msgstr ""
 msgid "unknown"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6401,7 +6420,8 @@ msgid "untagged"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6414,7 +6434,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6443,7 +6463,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6503,9 +6523,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6531,7 +6551,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/tr/base.po b/modules/luci-base/po/tr/base.po
index 42d4b8a529..d65b1e5a96 100644
--- a/modules/luci-base/po/tr/base.po
+++ b/modules/luci-base/po/tr/base.po
@@ -60,8 +60,8 @@ msgid "-- Additional Field --"
 msgstr "-- Ek Alan--"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -151,15 +151,15 @@ msgstr ""
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Alan Adı Sistemi\">DNS</abbr> port sorgula"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Alan Adı Sistemi\">DNS</abbr> sunucu port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -169,7 +169,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protokolü Sürüm 4\">IPv4</abbr>-Adres"
 
@@ -194,7 +194,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protokolü Sürüm 6\">IPv6</abbr>-Gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -206,15 +206,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Ayarları"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Adı"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-Adresi"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -222,7 +222,7 @@ msgstr ""
 "<abbr title=\"maximal\">Maks.</abbr> <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr> leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -230,7 +230,7 @@ msgstr ""
 "<abbr title=\"maximal\">Maks.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> paket boyutu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">Maks.</abbr> eşzamanlı sorgu"
 
@@ -364,11 +364,11 @@ msgstr "Aktif DHCPv6 Kiraları"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -409,7 +409,7 @@ msgstr ""
 msgid "Add key"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr ""
 
@@ -422,11 +422,11 @@ msgstr "Yeni arabirim ekle..."
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Ek Hosts dosyaları"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Ek sunucular dosyası"
 
@@ -452,7 +452,7 @@ msgstr ""
 msgid "Administration"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -481,17 +481,17 @@ msgstr ""
 msgid "Alias of \"%s\""
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr ""
 
@@ -518,7 +518,7 @@ msgstr "Eski 802.11b oranlarına izin ver"
 msgid "Allow listed only"
 msgstr "Yanlızca listelenenlere izin ver"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr ""
 
@@ -536,7 +536,7 @@ msgstr ""
 msgid "Allow the <em>root</em> user to login with password"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -555,6 +555,10 @@ msgid ""
 "option does not comply with IEEE 802.11n-2009!"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -707,7 +711,7 @@ msgstr "Kimlik Doğrulama"
 msgid "Authentication Type"
 msgstr "Kimlik doğrulama türü"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Yetkilendirme"
 
@@ -839,7 +843,7 @@ msgid ""
 "defined backup patterns."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -859,7 +863,7 @@ msgstr ""
 msgid "Bitrate"
 msgstr "Bit hızı"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr ""
 
@@ -1104,7 +1108,7 @@ msgstr "Veri alınıyor..."
 msgid "Command"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr ""
 
@@ -1160,7 +1164,7 @@ msgstr "Bağlandı"
 msgid "Connection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr ""
 
@@ -1262,7 +1266,7 @@ msgstr ""
 msgid "DHCP Server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr ""
@@ -1298,7 +1302,7 @@ msgstr ""
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1306,11 +1310,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr ""
 
@@ -1389,10 +1393,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1534,7 +1538,7 @@ msgstr "Devre dışı"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr ""
 
@@ -1549,7 +1553,8 @@ msgstr ""
 msgid "Disconnection attempt failed"
 msgstr "Bağlantı kesme girişimi başarısız oldu"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1566,7 +1571,7 @@ msgstr "Mesafe Optimizasyonu"
 msgid "Distance to farthest network member in meters."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1574,15 +1579,15 @@ msgid ""
 "firewalls"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 
@@ -1602,11 +1607,11 @@ msgstr ""
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr ""
 
@@ -1614,7 +1619,7 @@ msgstr ""
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1636,7 +1641,7 @@ msgstr ""
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr ""
 
@@ -1677,9 +1682,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1755,7 +1760,7 @@ msgstr ""
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr ""
 
@@ -1876,11 +1881,11 @@ msgstr ""
 msgid "Ethernet Switch"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr ""
 
@@ -1889,13 +1894,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1972,7 +1978,7 @@ msgstr ""
 msgid "Filename"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr ""
 
@@ -1981,11 +1987,11 @@ msgstr ""
 msgid "Filesystem"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr ""
 
@@ -2032,7 +2038,7 @@ msgstr ""
 msgid "Firmware Version"
 msgstr "Firmware Versiyon"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr ""
 
@@ -2156,7 +2162,7 @@ msgstr ""
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2203,8 +2209,8 @@ msgstr ""
 msgid "Go to password configuration..."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2273,7 +2279,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2576,7 +2582,7 @@ msgid ""
 "of the <abbr title=\"Random Access Memory\">RAM</abbr>."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr ""
 
@@ -2584,7 +2590,7 @@ msgstr ""
 msgid "Ignore interface"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr ""
 
@@ -2752,11 +2758,11 @@ msgstr ""
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr ""
 
@@ -2882,7 +2888,7 @@ msgstr ""
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr ""
@@ -2894,7 +2900,7 @@ msgstr ""
 msgid "Lease time remaining"
 msgstr "Kalan kira süresi"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr ""
 
@@ -2919,11 +2925,11 @@ msgstr ""
 msgid "Limit"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2947,7 +2953,7 @@ msgstr ""
 msgid "Link On"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2975,15 +2981,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -2995,7 +3001,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr ""
 
@@ -3040,7 +3046,7 @@ msgstr ""
 msgid "Local IPv6 address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr ""
 
@@ -3053,31 +3059,31 @@ msgstr ""
 msgid "Local Time"
 msgstr "Yerel Zaman"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr ""
 
@@ -3089,7 +3095,7 @@ msgstr ""
 msgid "Log output level"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr ""
 
@@ -3200,15 +3206,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr ""
 
@@ -3261,7 +3267,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3338,7 +3344,7 @@ msgstr ""
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr ""
 
@@ -3427,7 +3433,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3459,7 +3465,7 @@ msgstr "Ağ"
 msgid "Network Utilities"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr ""
 
@@ -3480,7 +3486,7 @@ msgstr ""
 msgid "Next »"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr ""
@@ -3509,7 +3515,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr ""
 
@@ -3533,7 +3539,7 @@ msgstr ""
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr ""
 
@@ -3583,7 +3589,7 @@ msgstr ""
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3621,7 +3627,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr ""
 
@@ -3633,7 +3639,7 @@ msgstr ""
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 
@@ -3680,7 +3686,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr ""
 
@@ -3716,6 +3722,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr ""
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr ""
@@ -4079,7 +4094,7 @@ msgstr ""
 msgid "Perform reset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr ""
 
@@ -4169,7 +4184,7 @@ msgid ""
 "ignore failures"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4239,7 +4254,7 @@ msgstr ""
 msgid "Quality"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4306,7 +4321,7 @@ msgstr ""
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4324,7 +4339,7 @@ msgstr ""
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr ""
 
@@ -4408,7 +4423,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr ""
 
@@ -4466,7 +4481,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4517,15 +4532,15 @@ msgstr "Sayaçları Sıfırla"
 msgid "Reset to defaults"
 msgstr "Varsayılanlara dön"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4572,7 +4587,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr ""
 
@@ -4672,7 +4687,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "TAKAS"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4688,6 +4703,10 @@ msgstr "Kaydet"
 msgid "Save & Apply"
 msgstr "Kaydet & Uygula"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4741,7 +4760,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr ""
 
@@ -4847,7 +4866,7 @@ msgstr "Sinyal:"
 msgid "Size"
 msgstr "Boyut"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr ""
 
@@ -4981,7 +5000,7 @@ msgstr ""
 msgid "Static IPv6 Routes"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr ""
 
@@ -4995,7 +5014,7 @@ msgstr ""
 msgid "Static address"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5023,7 +5042,7 @@ msgstr "Durdur"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr ""
 
@@ -5036,11 +5055,11 @@ msgstr ""
 msgid "Submit"
 msgstr "Gönder"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr ""
 
@@ -5096,7 +5115,7 @@ msgstr ""
 msgid "System"
 msgstr "Sistem"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr ""
@@ -5113,11 +5132,11 @@ msgstr ""
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr ""
 
@@ -5335,8 +5354,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5368,7 +5387,7 @@ msgstr ""
 msgid "This does not look like a valid PEM file"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5401,7 +5420,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5437,8 +5456,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5568,7 +5587,7 @@ msgid "Unable to dispatch"
 msgstr ""
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5629,7 +5648,7 @@ msgstr ""
 msgid "Unknown error (%s)"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr ""
 
@@ -5653,7 +5672,7 @@ msgstr ""
 msgid "Unsaved Changes"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr ""
 
@@ -5720,7 +5739,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Çalışma Zamanı"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr ""
 
@@ -5839,7 +5858,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6058,7 +6077,7 @@ msgstr ""
 msgid "Wireless network is enabled"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr ""
 
@@ -6066,7 +6085,7 @@ msgstr ""
 msgid "Write system log to file"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr ""
@@ -6110,7 +6129,7 @@ msgstr ""
 msgid "ZRam Size"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "herhangi"
 
@@ -6205,14 +6224,14 @@ msgstr "devre dışı"
 msgid "driver default"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "sona ermiş"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6272,7 +6291,7 @@ msgstr ""
 msgid "key with either 5 or 13 characters"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "yerel <abbr title=\"Domain Name System\">DNS</abbr> dosyası"
 
@@ -6300,7 +6319,7 @@ msgstr "bağlantı yok"
 msgid "non-empty value"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "hiçbiri"
 
@@ -6408,15 +6427,15 @@ msgstr ""
 msgid "unknown"
 msgstr "bilinmeyen"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "sınırsız"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6438,7 +6457,8 @@ msgid "untagged"
 msgstr "etiketsiz"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr ""
 
@@ -6451,7 +6471,7 @@ msgid "valid IPv4 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr ""
 
@@ -6480,7 +6500,7 @@ msgid "valid IPv6 CIDR"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr ""
 
@@ -6540,9 +6560,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr ""
 
@@ -6568,7 +6588,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr ""
 
diff --git a/modules/luci-base/po/uk/base.po b/modules/luci-base/po/uk/base.po
index f8f974cd97..182c027da0 100644
--- a/modules/luci-base/po/uk/base.po
+++ b/modules/luci-base/po/uk/base.po
@@ -58,8 +58,8 @@ msgid "-- Additional Field --"
 msgstr "-- Додаткові поля --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -152,19 +152,19 @@ msgstr ""
 "<abbr title=\"Basic Service Set Identifier — ідентифікатор основної служби "
 "послуг\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr ""
 "Порт <abbr title=\"Domain Name System — система доменних імен\">DNS</abbr>-"
 "запиту"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 "Порт <abbr title=\"Domain Name System — система доменних імен\">DNS</abbr>-"
 "сервера"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -178,7 +178,7 @@ msgstr ""
 "<abbr title=\"Extended Service Set Identifier — ідентифікатор розширеної "
 "служби послуг\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Інтернет-протокол версії 4\">IPv4</abbr>-адреса"
 
@@ -203,7 +203,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Інтернет-протокол версії 6\">IPv6</abbr>-шлюз"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr "<abbr title=\"Інтернет-протокол версії 6\">IPv6</abbr>-суфікс (hex)"
 
@@ -216,17 +216,17 @@ msgstr ""
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "Назва <abbr title=\"Light Emitting Diode — світлодіод\">LED</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 "<abbr title=\"Media Access Control — управління доступом до носія\">MAC</"
 "abbr>-адреса"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"Унікальний ідентифікатор DHCP\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -234,7 +234,7 @@ msgstr ""
 "<abbr title=\"Максимум\">Макс.</abbr> оренд <abbr title=\"Dynamic Host "
 "Configuration Protocol — протокол динамічної конфігурації вузла\">DHCP</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -243,7 +243,7 @@ msgstr ""
 "\"Extension Mechanisms for Domain Name System — Механізми розширень для "
 "доменної системи імен\">EDNS0</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"Максимум\">Макс.</abbr> одночасних запитів"
 
@@ -386,11 +386,11 @@ msgstr "Активні оренди DHCPv6"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -431,7 +431,7 @@ msgstr "Додати реалізацію"
 msgid "Add key"
 msgstr "Додати ключ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Додавати суфікс локального домену до імен, отриманих із файлів hosts"
 
@@ -444,11 +444,11 @@ msgstr "Додати новий інтерфейс..."
 msgid "Add peer"
 msgstr "Додати вузол"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Додаткові файли hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Додаткові файли servers"
 
@@ -474,7 +474,7 @@ msgstr "Адреса для доступу до мосту локального
 msgid "Administration"
 msgstr "Адміністрування"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -503,17 +503,17 @@ msgstr "Інтерфейс псевдоніма"
 msgid "Alias of \"%s\""
 msgstr "Псевдонім \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Усі сервери"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr "Виділяти IP-адреси послідовно, починаючи з найнижчої доступної адреси"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Виділяти IP послідовно"
 
@@ -542,7 +542,7 @@ msgstr "Дозволяти застарілі швидк. 802.11b"
 msgid "Allow listed only"
 msgstr "Дозволити тільки зазначені"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Дозволити локальний вузол"
 
@@ -560,7 +560,7 @@ msgstr "Дозволити root-вхід із паролем"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Дозволити користувачеві <em>root</em> вхід до системи з паролем"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr ""
@@ -584,6 +584,10 @@ msgstr ""
 "перекривається. Використання цієї опції не відповідає стандарту IEEE "
 "802.11n-2009!"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -743,7 +747,7 @@ msgstr "Автентифікація"
 msgid "Authentication Type"
 msgstr "Тип автентифікації"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Надійний"
 
@@ -879,7 +883,7 @@ msgstr ""
 "складається із позначених opkg змінених файлів конфігурації, невідокремних "
 "базових файлів, та файлів за користувацькими шаблонами резервного копіювання."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -901,7 +905,7 @@ msgstr "Прив'язка тунелю до цього інтерфейсу (з�
 msgid "Bitrate"
 msgstr "Швидкість потоку"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Відкидати підробки NX-домену"
 
@@ -1165,7 +1169,7 @@ msgstr "Збирання даних..."
 msgid "Command"
 msgstr "Команда"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Команду виконано успішно"
 
@@ -1225,7 +1229,7 @@ msgstr "Підключено"
 msgid "Connection attempt failed"
 msgstr "Невдала спроба підключення"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "З'єднання втрачено"
 
@@ -1336,7 +1340,7 @@ msgstr "Секрет DAE"
 msgid "DHCP Server"
 msgstr "Сервер DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP та DNS"
@@ -1372,7 +1376,7 @@ msgstr "Служба DHCPv6"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "Переспрямовування<br />запитів DNS"
 
@@ -1380,11 +1384,11 @@ msgstr "Переспрямовування<br />запитів DNS"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-мітка / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "Перевірка непідписаного DNSSEC"
 
@@ -1468,10 +1472,10 @@ msgstr ""
 "\"<code>6,192.168.2.1,192.168.2.2</code>\", щоб оголошувати різні DNS-"
 "сервери для клієнтів."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1613,7 +1617,7 @@ msgstr "Вимкнено"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Роз'єднувати за низького підтвердження"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Відкидати висхідні RFC1918-відповіді"
 
@@ -1628,7 +1632,8 @@ msgstr "Від'єднати"
 msgid "Disconnection attempt failed"
 msgstr "Спроба від'єднання не вдалася"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1645,7 +1650,7 @@ msgstr "Оптимізація за відстанню"
 msgid "Distance to farthest network member in meters."
 msgstr "Відстань до найвіддаленішого вузла мережі в метрах."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1658,17 +1663,17 @@ msgstr ""
 "для брандмауерів <abbr title=\"Network Address Translation — перетворення "
 "(трансляція) мережевих адрес\">NAT</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "Не кешувати негативні відповіді, наприклад, за неіснуючих доменів"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr ""
 "Не переспрямовувати запити, які не може бути оброблено відкритими серверами "
 "імен"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr ""
 "Не переспрямовувати зворотні <abbr title=\"Domain Name System — система "
@@ -1690,11 +1695,11 @@ msgstr "Справді стерти всі налаштування?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Справді рекурсивно видалити каталог \"%s\"?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Потрібен домен"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "\"Білий список\" доменів"
 
@@ -1702,7 +1707,7 @@ msgstr "\"Білий список\" доменів"
 msgid "Don't Fragment"
 msgstr "Не фрагментувати"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1727,7 +1732,7 @@ msgstr "Завантажити mtdblock"
 msgid "Downstream SNR offset"
 msgstr "Низхідний зсув SNR"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Перетягніть, щоб змінити порядок"
 
@@ -1774,9 +1779,9 @@ msgstr "Довжина EA-бітів"
 msgid "EAP-Method"
 msgstr "Метод EAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1856,7 +1861,7 @@ msgstr "Увімкнути клієнта NTP"
 msgid "Enable Single DES"
 msgstr "Увімкнути Single DES"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Увімкнути TFTP-сервер"
 
@@ -1982,11 +1987,11 @@ msgstr "Ethernet-адаптер"
 msgid "Ethernet Switch"
 msgstr "Ethernet-комутатор"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "Виключити інтерфейси"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Розширення вузлів"
 
@@ -1995,13 +2000,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Очікується шістнадцятковий натяк призначення"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Очікується: %s"
 
@@ -2078,7 +2084,7 @@ msgstr "Файл недоступний"
 msgid "Filename"
 msgstr "Ім'я файлу"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "І'мя завантажувального образу, що оголошується клієнтам"
 
@@ -2087,11 +2093,11 @@ msgstr "І'мя завантажувального образу, що оголо
 msgid "Filesystem"
 msgstr "Файлова система"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Фільтрувати приватні"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Фільтрувати непридатні"
 
@@ -2140,7 +2146,7 @@ msgstr "Файл мікропрограми"
 msgid "Firmware Version"
 msgstr "Версія мікропрограми"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Фіксований порт для вихідних DNS-запитів"
 
@@ -2266,7 +2272,7 @@ msgstr "Неприпустима адреса шлюзу"
 msgid "Gateway metric"
 msgstr "Метрика шлюзу"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2313,8 +2319,8 @@ msgstr "Глобальні параметри мережі"
 msgid "Go to password configuration..."
 msgstr "Перейти до конфігурації пароля..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2389,7 +2395,7 @@ msgid "Host-Uniq tag content"
 msgstr "Зміст тегу Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2704,7 +2710,7 @@ msgstr ""
 "своп-пристрої не можуть бути доступні з такою високою швидкістю, як <abbr "
 "title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Ігнорувати <code>/etc/hosts</code>"
 
@@ -2712,7 +2718,7 @@ msgstr "Ігнорувати <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Ігнорувати интерфейс"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Ігнорувати файли resolv"
 
@@ -2888,11 +2894,11 @@ msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr ""
 "Задано неприпустимий VLAN ID! Доступні тільки унікальні ідентифікатори."
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "Неприпустимий аргумент"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Неприпустима команда"
 
@@ -3020,7 +3026,7 @@ msgstr "Затримка"
 msgid "Leaf"
 msgstr "Лист"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Час оренди"
@@ -3032,7 +3038,7 @@ msgstr "Час оренди"
 msgid "Lease time remaining"
 msgstr "Час оренди, що лишився"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Файл оренд"
 
@@ -3057,12 +3063,12 @@ msgstr "Легенда:"
 msgid "Limit"
 msgstr "Межа"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Обмежувати службу DNS інтерфейсами підмереж, на яких ми обслуговуємо DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 "Обмежитися прослуховуванням цих інтерфейсів і повернутися до початку циклу."
@@ -3087,7 +3093,7 @@ msgstr "Час безперервної роботи лінії"
 msgid "Link On"
 msgstr "Зв'язок встановлено"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3133,15 +3139,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Список файлів SSH-ключів для авторизації"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Список доменів, для яких дозволено RFC1918-відповіді"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Список доменів, які підтримують результати підробки NX-доменів"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Інтерфейси прослуховування"
 
@@ -3155,7 +3161,7 @@ msgstr ""
 "Прослуховувати тільки на цьому інтерфейсі, якщо <em>не визначено</em> – на "
 "всіх"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Порт прослуховування для вхідних DNS-запитів"
 
@@ -3200,7 +3206,7 @@ msgstr "Локальна адреса IPv4"
 msgid "Local IPv6 address"
 msgstr "Локальна адреса IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Тільки локальна служба"
 
@@ -3213,11 +3219,11 @@ msgstr "Локальний запуск"
 msgid "Local Time"
 msgstr "Місцевий час"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Локальний домен"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3226,17 +3232,17 @@ msgstr ""
 "не пересилаються і вирізняються тільки з файлу DHCP (/etc/config/dhcp) або "
 "файлу hosts (/etc/hosts)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr ""
 "Суфікс локального домену додається до DHCP-імен вузлів та записів з файлу "
 "hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "Локальний сервер"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
@@ -3244,7 +3250,7 @@ msgstr ""
 "Локалізувати ім'я хоста залежно від запитуючої підмережі, якщо доступно "
 "кілька IP-адрес"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Локалізувати запити"
 
@@ -3256,7 +3262,7 @@ msgstr "Зблокувати з BSSID"
 msgid "Log output level"
 msgstr "Рівень виведення інформаціі до журналу"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Журнал запитів"
 
@@ -3371,15 +3377,15 @@ msgstr "Макс. досяжна швидкість передачі даних
 msgid "Maximum allowed Listen Interval"
 msgstr "Максимальний дозволений інтервал прослуховування"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Максимально допустима кількість активних оренд DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Максимально допустима кількість одночасних DNS-запитів"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Максимально допустимий розмір UDP-пакетів EDNS.0"
 
@@ -3432,7 +3438,7 @@ msgstr "Mesh ID"
 msgid "Mesh Id"
 msgstr "Mesh Id"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Метод не знайдено"
 
@@ -3509,7 +3515,7 @@ msgstr "Диспетчер"
 msgid "More Characters"
 msgstr "Більше символів"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "Докладніше…"
 
@@ -3600,7 +3606,7 @@ msgstr "Домен NT"
 msgid "NTP server candidates"
 msgstr "Сервери NTP – кандидати для синхронізації"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3632,7 +3638,7 @@ msgstr "Мережа"
 msgid "Network Utilities"
 msgstr "Мережеві утиліти"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Образ для мережевого завантаження"
 
@@ -3653,7 +3659,7 @@ msgstr "Нова назва інтерфейсу…"
 msgid "Next »"
 msgstr "Наступний »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Немає"
@@ -3682,7 +3688,7 @@ msgstr "Сигналу RX немає"
 msgid "No client associated"
 msgstr "Не пов’язано жодного клієнта"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Жодних даних не отримано"
 
@@ -3706,7 +3712,7 @@ msgstr "Інформація відсутня"
 msgid "No matching prefix delegation"
 msgstr "Делегування відповідних префіксів відсутнє"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Ніяких негативних кешувань"
 
@@ -3756,7 +3762,7 @@ msgstr "Шум:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Не запобіжні помилки CRC (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "Без шаблону заміни"
 
@@ -3794,7 +3800,7 @@ msgstr "Не існує"
 msgid "Not started on boot"
 msgstr "Не запущено під час завантаження"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Не підтримується"
 
@@ -3806,7 +3812,7 @@ msgstr "Зауваження"
 msgid "Nslookup"
 msgstr "DNS-запит"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr "Кількість кешованих записів DNS (макс. – 10000, 0 – без кешування)"
 
@@ -3853,7 +3859,7 @@ msgstr "Маршрут On-Link"
 msgid "On-State Delay"
 msgstr "Затримка On-State"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Має бути зазначено одне з двох – ім'я вузла або МАС-адреса!"
 
@@ -3889,6 +3895,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "Робоча частота"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Опцію змінено"
@@ -4273,7 +4288,7 @@ msgstr "Виконати перезавантаження"
 msgid "Perform reset"
 msgstr "Виконати відновлення"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Дозволу не надано"
 
@@ -4365,7 +4380,7 @@ msgstr ""
 "Вважати вузол недоступним після визначеної кількості невдач отримання ехо-"
 "пакета LCP, використовуйте 0, щоб ігнорувати невдачі"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Перешкоджати прослуховуванню цих інтерфейсів."
 
@@ -4439,7 +4454,7 @@ msgstr "Стільниковий QMI"
 msgid "Quality"
 msgstr "Якість"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4510,7 +4525,7 @@ msgstr ""
 "Необроблені байти в шістнадцятковому кодуванні. Залиште порожнім, якщо ваш "
 "інтернет-провайдер не вимагає цього."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4531,7 +4546,7 @@ msgstr "Графіки у реальному часі"
 msgid "Reassociation Deadline"
 msgstr "Кінцевий термін реассоціації"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Захист від переприв'язки"
 
@@ -4615,7 +4630,7 @@ msgstr "Запит IPv6-адреси"
 msgid "Request IPv6-prefix of length"
 msgstr "Запит довжини IPv6-префіксу"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Час очікування запиту минув"
 
@@ -4678,7 +4693,7 @@ msgstr ""
 "Потребує \"повної\" версії wpad/hostapd та підтримки драйвером WiFi <br /"
 ">(станом на січень 2019 року: ath9k, ath10k, mwlwifi та mt76)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4731,15 +4746,15 @@ msgstr "Скинути лічильники"
 msgid "Reset to defaults"
 msgstr "Відновити початковий стан"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Файли resolv і hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Файл resolv"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Ресурс не знайдено"
 
@@ -4786,7 +4801,7 @@ msgstr "Помилка запиту на скасування зі статус�
 msgid "Reverting configuration…"
 msgstr "Відкат конфігурації…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Кореневий каталог для файлів TFTP"
 
@@ -4887,7 +4902,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "SWAP"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4903,6 +4918,10 @@ msgstr "Зберегти"
 msgid "Save & Apply"
 msgstr "Зберегти і застосувати"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Зберегти mtdblock"
@@ -4961,7 +4980,7 @@ msgstr ""
 "Надсилати ехо-пакети LCP зі вказаним інтервалом (секунди), ефективно тільки "
 "в поєднанні з порогом помилок"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Налаштування сервера"
 
@@ -5071,7 +5090,7 @@ msgstr "Сигнал:"
 msgid "Size"
 msgstr "Розмір"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Розмір кешу запитів DNS"
 
@@ -5219,7 +5238,7 @@ msgstr "Статичні маршрути IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Статичні маршрути IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Статичні оренди"
 
@@ -5233,7 +5252,7 @@ msgstr "Статичні маршрути"
 msgid "Static address"
 msgstr "Статична адреса"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5265,7 +5284,7 @@ msgstr "Зупинити"
 msgid "Stop refresh"
 msgstr "Зупинити оновлення"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Строгий порядок"
 
@@ -5278,11 +5297,11 @@ msgstr "Висока"
 msgid "Submit"
 msgstr "Надіслати"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Блокувати журналювання"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Блокувати ведення журналу звичайної роботи цих протоколів"
 
@@ -5340,7 +5359,7 @@ msgstr "Синхронізувати з браузером"
 msgid "System"
 msgstr "Система"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Системний журнал"
@@ -5357,11 +5376,11 @@ msgstr "Розмір буфера системного журналу"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Налаштування TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Корінь TFTP-сервера"
 
@@ -5621,8 +5640,8 @@ msgstr ""
 "Відвантажений файл образу не містить підтримуваний формат. Переконайтеся, що "
 "ви вибираєте універсальний формат образу для вашої платформи."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5656,7 +5675,7 @@ msgstr "Цей тип автентифікації не застосовуєть
 msgid "This does not look like a valid PEM file"
 msgstr "Це не схоже на дійсний файл PEM"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5701,7 +5720,7 @@ msgstr ""
 "Це локальна адреса кінцевого вузла, яку присвоєно тунельним брокером, вона "
 "зазвичай закінчується на <code>…:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5747,8 +5766,8 @@ msgstr ""
 "Цю опцію використовувати не можна, оскільки пакет \"ca-bundle\" не "
 "інстальовано."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5882,7 +5901,7 @@ msgid "Unable to dispatch"
 msgstr "Не вдалося опрацювати запит"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "Не вдалося завантажити дані журналу:"
 
@@ -5943,7 +5962,7 @@ msgstr "Невідомо"
 msgid "Unknown error (%s)"
 msgstr "Невідома помилка (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Невідомий код помилки"
 
@@ -5967,7 +5986,7 @@ msgstr "Ключ без назви"
 msgid "Unsaved Changes"
 msgstr "Незбережені зміни"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Невизначена помилка"
 
@@ -6039,7 +6058,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Час безперервної роботи"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Використовувати <code>/etc/ethers</code>"
 
@@ -6158,7 +6177,7 @@ msgstr "Використовувати системні сертифікати"
 msgid "Use system certificates for inner-tunnel"
 msgstr "Використовувати системні сертифікати для внутрішнього тунелю"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6395,7 +6414,7 @@ msgstr "Бездротову мережу вимкнено"
 msgid "Wireless network is enabled"
 msgstr "Бездротову мережу ввімкнено"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Записувати отримані DNS-запити до системного журналу"
 
@@ -6403,7 +6422,7 @@ msgstr "Записувати отримані DNS-запити до систем
 msgid "Write system log to file"
 msgstr "Записувати cистемний журнал до файлу"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Так"
@@ -6453,7 +6472,7 @@ msgstr "Налаштування ZRam"
 msgid "ZRam Size"
 msgstr "Розмір ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "будь-який"
 
@@ -6548,14 +6567,14 @@ msgstr "вимкнено"
 msgid "driver default"
 msgstr "типово для драйвера"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "минув"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6617,7 +6636,7 @@ msgstr "ключ від 8 до 63 символів"
 msgid "key with either 5 or 13 characters"
 msgstr "ключ із 5 або 13 символів"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr ""
 "Локальний <abbr title=\"Domain Name System — система доменних імен\">DNS</"
@@ -6647,7 +6666,7 @@ msgstr "нема з'єднання"
 msgid "non-empty value"
 msgstr "непусте значення"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "нічого"
 
@@ -6755,15 +6774,15 @@ msgstr "унікальне значення"
 msgid "unknown"
 msgstr "невідомий"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "необмежено"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6785,7 +6804,8 @@ msgid "untagged"
 msgstr "не позначено"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "дійсна IP-адреса"
 
@@ -6798,7 +6818,7 @@ msgid "valid IPv4 CIDR"
 msgstr "дійсна IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "дійсна IPv4-адреса"
 
@@ -6827,7 +6847,7 @@ msgid "valid IPv6 CIDR"
 msgstr "дійсна IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "дійсна IPv6-адреса"
 
@@ -6887,9 +6907,9 @@ msgstr "дійсне ім'я хоста:порт"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "дійсне ім'я хоста"
 
@@ -6915,7 +6935,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "дійсний порт або діапазон портів (порт1-порт2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "дійсне значення порту"
 
diff --git a/modules/luci-base/po/vi/base.po b/modules/luci-base/po/vi/base.po
index 949b43284b..b986080eac 100644
--- a/modules/luci-base/po/vi/base.po
+++ b/modules/luci-base/po/vi/base.po
@@ -60,8 +60,8 @@ msgid "-- Additional Field --"
 msgstr "---Mục bổ sung---"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -151,17 +151,17 @@ msgstr "thời gian thử lại chuẩn 802.11w"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Dịch vụ căn bản đặt Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Hệ thống phân giải tên miền\">DNS</abbr> query port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr ""
 "<abbr title=\"Hệ thống phân giải tên miền (Domain Name System)\">DNS</abbr> "
 "server port"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -173,7 +173,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Tên mạng WiFi (ESSID)\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"giao thức internet phiên bản 4\">IPv4</abbr>-Address"
 
@@ -198,7 +198,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"giao thức internet phiên bản 6\">IPv6</abbr>-Gateway"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "<abbr title=\"giao thức internet phiên bản 6\">IPv6</abbr>-Suffix (hex)"
@@ -211,16 +211,16 @@ msgstr "<abbr title=\"đèn LEDLED\">LED</abbr> Configuration"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr ""
 "<abbr title=\"Kiểm soát kết nối phương tiện truyền thông\">MAC</abbr>-Address"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"Định danh độc nhất cho DHCP\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -228,7 +228,7 @@ msgstr ""
 "<abbr title=\"Tối đa\">Max.</abbr> <abbr title=\"Giao thức cấu hình máy chủ "
 "động\">DHCP</abbr> leases"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -236,7 +236,7 @@ msgstr ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Cơ chế mở rộng hệ thống  "
 "phân giải tên miền\">EDNS0</abbr> packet size"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"Tối đa\">Max.</abbr> concurrent queries"
 
@@ -375,11 +375,11 @@ msgstr "Khởi động xin id từ DHCPv6"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -420,7 +420,7 @@ msgstr "Thêm ví dụ"
 msgid "Add key"
 msgstr "Thêm khóa"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "Thêm hậu tố tên miền cục bộ vào tên được phân phát từ tệp máy chủ"
 
@@ -433,11 +433,11 @@ msgstr "Thêm giao diện mới..."
 msgid "Add peer"
 msgstr "Thêm cặp"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "Tập tin máy chủ(host) bổ sung"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "Tập tin máy chủ(server) bổ sung"
 
@@ -463,7 +463,7 @@ msgstr "Địa chỉ truy cập cầu chuyển tiếp địa phương"
 msgid "Administration"
 msgstr "Quản trị"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -492,17 +492,17 @@ msgstr "Giao diện bí danh"
 msgid "Alias of \"%s\""
 msgstr "bí danh của \"%s\""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "Tất cả máy chủ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr "Phân bổ địa chỉ IP theo tuần tự, bắt đầu từ địa chỉ có sẵn thấp nhất"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "Phân bổ tuần tự địa chủ IP"
 
@@ -526,7 +526,7 @@ msgstr "Cho phép kế thừ tốc độ 802.11b"
 msgid "Allow listed only"
 msgstr "Chỉ cho phép danh sách liệt kê"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "Cho phép máy chủ cục bộ"
 
@@ -542,7 +542,7 @@ msgstr "Cho phép root đăng nhập với mật khẩu"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "Cho phép người dùng <em>root</em> đăng nhập với mật khẩu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr "Cho phép phản hồi ngược trong dải IP 127.0.0.0/8 cho dịch vụ RBL"
@@ -563,6 +563,10 @@ msgstr ""
 "Luôn sử dụng các kênh 40 MHz ngay cả khi kênh thứ cấp chồng lấp. Sử dụng tùy "
 "chọn  này không tuân thủ theo chuẩn 802.11n-2009"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -722,7 +726,7 @@ msgstr "Xác thực"
 msgid "Authentication Type"
 msgstr "Kiểu xác thực"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "Xác thực"
 
@@ -857,7 +861,7 @@ msgstr ""
 "đổi tập tin cấu hình được đánh dấu bởi opkg, tập tin cơ sở thiết yếu và các "
 "mẫu sao lưu của người dùng đá được xác định"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -879,7 +883,7 @@ msgstr "Liên kết đường hầm dữ liệu với giao diện này (tùy ch�
 msgid "Bitrate"
 msgstr "tốc độ (bit)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "Ghi đè tên miền Bogus NX"
 
@@ -1128,7 +1132,7 @@ msgstr "Đang lấy dữ liệu..."
 msgid "Command"
 msgstr "Lệnh"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "Lệnh thành công"
 
@@ -1188,7 +1192,7 @@ msgstr "Đã kết nối"
 msgid "Connection attempt failed"
 msgstr "Kết nối thất bại"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "Mất kết nối"
 
@@ -1297,7 +1301,7 @@ msgstr "DAE-bí mật"
 msgid "DHCP Server"
 msgstr "Máy chủ DHCP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP và DNS"
@@ -1333,7 +1337,7 @@ msgstr "Dịch vụ DHCPv6"
 msgid "DNS"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr ""
 
@@ -1341,11 +1345,11 @@ msgstr ""
 msgid "DNS-Label / FQDN"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "kiểm tra không dấu DNSSEC"
 
@@ -1424,10 +1428,10 @@ msgid ""
 "servers to clients."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1569,7 +1573,7 @@ msgstr "Vô hiệu hóa"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "Hủy liên kết với xác nhận mức thấp"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "Hủy phản hồi ngược RFC1918"
 
@@ -1584,7 +1588,8 @@ msgstr "Ngắt kết nối"
 msgid "Disconnection attempt failed"
 msgstr "Kết nối thất bại"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1601,7 +1606,7 @@ msgstr "Khoảng cách tối ưu"
 msgid "Distance to farthest network member in meters."
 msgstr "Khoảng cách tới thành viên xa nhất trong mạng lưới tính bằng mét"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1613,16 +1618,16 @@ msgstr ""
 "Forwarder for <abbr title=\"Network Address Translation\">NAT</abbr> "
 "firewalls"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr ""
 "Không lưu trữ các phản hồi tiêu cực (ví dụ: các tên miền không tồn tại)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr "Không chuyển tiếp yêu cầu mà máy chủ tên công cộng không thể trả lời"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "Không chuyển tiếp tra cứu ngược cho các mạng cục bộ"
 
@@ -1642,11 +1647,11 @@ msgstr "Bạn có thật sự muốn xóa tất cả cài đặt này?"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "Bạn thật sự muốn xóa toàn bộ thư mục \"%s\" ?"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "Tên miền yêu cầu"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "Danh sách tên miền được chấp nhận"
 
@@ -1654,7 +1659,7 @@ msgstr "Danh sách tên miền được chấp nhận"
 msgid "Don't Fragment"
 msgstr "Không phân mảnh"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1678,7 +1683,7 @@ msgstr "Tải xuống mtdblock"
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "Kéo để tổ chức lại"
 
@@ -1724,9 +1729,9 @@ msgstr "Độ dài EA-bits"
 msgid "EAP-Method"
 msgstr "EAP-Method"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1806,7 +1811,7 @@ msgstr "Kích hoạt máy chủ NTP"
 msgid "Enable Single DES"
 msgstr "Kích hoạt DES đơn"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "Kích hoạt máy chủ TFTP"
 
@@ -1928,11 +1933,11 @@ msgstr "Bộ tương hợp ethernet"
 msgid "Ethernet Switch"
 msgstr "Bộ chuyển đảo ethernet"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "Mở rộng máy chủ"
 
@@ -1941,13 +1946,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "Cần một gợi ý gán thập lục phân"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "Mong đợi: %s"
 
@@ -2024,7 +2030,7 @@ msgstr "Tệp tin không thể truy cập"
 msgid "Filename"
 msgstr "Tên tệp"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "Tên tệp của tập tin ảnh khởi động được thông báo cho máy khách"
 
@@ -2033,11 +2039,11 @@ msgstr "Tên tệp của tập tin ảnh khởi động được thông báo cho
 msgid "Filesystem"
 msgstr "Tập tin hệ thống"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "Filter private"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "Lọc không hữu dụng"
 
@@ -2086,7 +2092,7 @@ msgstr "Tập tin phần mềm"
 msgid "Firmware Version"
 msgstr "Phiên bản phần mềm"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "Đã sửa cổng nguồn cho các truy vấn DNS"
 
@@ -2213,7 +2219,7 @@ msgstr "Địa chỉ Gateway không hợp lệ"
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2260,8 +2266,8 @@ msgstr "Tùy chọn mạng toàn cầu"
 msgid "Go to password configuration..."
 msgstr "Tới trang cài đặt mật khẩu..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2332,7 +2338,7 @@ msgid "Host-Uniq tag content"
 msgstr "Nội dung thẻ Host-Uniq"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2644,7 +2650,7 @@ msgstr ""
 "một quá trình rất chậm vì một thiết bị swap không thể được truy cập với  "
 "datarates cao hơn của <abbr title=\"Random Access Memory\">RAM</abbr>."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "Lờ đi <code>/etc/hosts</code>"
 
@@ -2652,7 +2658,7 @@ msgstr "Lờ đi <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "Lờ đi giao diện"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "Lờ đi tập tin resolve"
 
@@ -2824,11 +2830,11 @@ msgstr ""
 "Địa chỉ ID Vlan không hợp lệ được cung cấp! Chỉ những ID duy nhất mới được "
 "phép"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "Lệnh ko hợp lệ"
 
@@ -2957,7 +2963,7 @@ msgstr "Độ trễ"
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "Thời gian được cấp một địa chỉ IP"
@@ -2969,7 +2975,7 @@ msgstr "Thời gian được cấp một địa chỉ IP"
 msgid "Lease time remaining"
 msgstr "Leasetime còn lại"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "Leasefile"
 
@@ -2994,13 +3000,13 @@ msgstr ""
 msgid "Limit"
 msgstr "Giới hạn "
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 "Giới hạn dịch vụ DNS đối với các giao diện mạng con mà chúng tôi đang phục "
 "vụ DNS."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -3024,7 +3030,7 @@ msgstr ""
 msgid "Link On"
 msgstr "Link On"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3062,15 +3068,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "Danh sách tập tin khóa SSH để xác thực"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "Danh sách tên miền chấp nhận phản hồi RFC1918"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "Danh sách các máy chủ cung cấp kết quả tên miền NX không có thật"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "Lắng nghe giao diện mạng"
 
@@ -3082,7 +3088,7 @@ msgstr "Lắng nghe cổng"
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "Chỉ nghe giao diện mạng đã cho (nếu không xác định sẽ nghe tất cả)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "Cổng để nghe cho các truy vấn DNS gửi đến"
 
@@ -3127,7 +3133,7 @@ msgstr "Địa chỉ IPv4 cục bộ"
 msgid "Local IPv6 address"
 msgstr "Địa chỉ IPv6 cục bộ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "Chỉ dùng dịch vụ cục bộ"
 
@@ -3140,11 +3146,11 @@ msgstr "Khởi động cục bộ với hệ thống"
 msgid "Local Time"
 msgstr "Giờ địa phương"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "Tên miền cục bộ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
@@ -3152,22 +3158,22 @@ msgstr ""
 "Đặc tả miền cục bộ. Tên phù hợp với miền này không bao giờ được chuyển tiếp "
 "và chỉ được giải quyết từ DHCP hoặc tập tin từ máy chủ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr "Hậu tố tên miền cục bộ gắn vào tên DHCP và các mục tập tin từ máy chủ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "máy chủ cục bộ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr ""
 "Cục bộ hóa tên máy chủ tùy thuộc vào mạng con yêu cầu nếu có sẵn nhiều IP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "Tra vấn địa phương"
 
@@ -3179,7 +3185,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "Cấp độ lưu nhật ký cho đầu ra"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "Bản ghi tra vấn"
 
@@ -3292,15 +3298,15 @@ msgstr "Tối đa tốc độ dữ liệu đạt được (ATTNDR)"
 msgid "Maximum allowed Listen Interval"
 msgstr "Chu kỳ nghe tối đa cho phép"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "Số lượng tối đa máy mượn địa chỉ từ DHCP đang hoạt động"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "Số lượng truy vấn DNS đồng thời tối đa được phép"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "Kích thước tối đa được phép của gói UDP EDNS.0"
 
@@ -3353,7 +3359,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "Không thể tìm được phương pháp này"
 
@@ -3430,7 +3436,7 @@ msgstr "Monitor"
 msgid "More Characters"
 msgstr "Thêm đặc điểm"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "thêm ..."
 
@@ -3521,7 +3527,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3553,7 +3559,7 @@ msgstr "Mạng "
 msgid "Network Utilities"
 msgstr "Tiện ích mạng"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "Tập tin ảnh khởi động mạng"
 
@@ -3574,7 +3580,7 @@ msgstr "Tên giao diện mạng mới..."
 msgid "Next »"
 msgstr "Tiếp »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "Không"
@@ -3603,7 +3609,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "Không có data nhận được"
 
@@ -3627,7 +3633,7 @@ msgstr "Không có thông tin"
 msgid "No matching prefix delegation"
 msgstr "Không có tiền tố ủy quyền phù hợp"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "Không có bộ đệm âm"
 
@@ -3677,7 +3683,7 @@ msgstr "Nhiễu:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "Lỗi CRC không tiền phát sinh (CRC_P)"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3715,7 +3721,7 @@ msgstr "Không có"
 msgid "Not started on boot"
 msgstr "Chưa bắt đầu khi khởi động"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "Không được hỗ trợ"
 
@@ -3727,7 +3733,7 @@ msgstr "Chú ý"
 msgid "Nslookup"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr ""
 "Số lượng mục DNS được lưu trong bộ nhớ cache (tối đa là 10000, 0 là không "
@@ -3776,7 +3782,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "Một trong những tên máy chủ hoặc địa chỉ mac phải được chỉ định"
 
@@ -3812,6 +3818,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr "Tần số hoạt động"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "Thay đổi tùy chỉnh"
@@ -4190,7 +4205,7 @@ msgstr "Tiến hành khởi động lại"
 msgid "Perform reset"
 msgstr "Thực hiện khởi động lại"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "Bạn không có quyền làm"
 
@@ -4282,7 +4297,7 @@ msgstr ""
 "Coi như thiết bị mạng ngang hàng mất kết nối sau số lần kiểm tra lỗi bằng "
 "phương pháp LCP, sử dụng 0 để bỏ qua"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "Ngăn thực hiện nghe tại giao diện mạng này"
 
@@ -4357,7 +4372,7 @@ msgstr ""
 msgid "Quality"
 msgstr "Chất lượng"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4428,7 +4443,7 @@ msgstr ""
 "Dữ liệu thô được mã hóa thập lục phân (byte). Để trống trừ khi ISP của bạn "
 "yêu cầu điều này"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4448,7 +4463,7 @@ msgstr "Biểu đồ thời gian thực"
 msgid "Reassociation Deadline"
 msgstr "Hạn chót tái tổ chức"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "Bảo vệ tái kết nối"
 
@@ -4532,7 +4547,7 @@ msgstr "Yêu cầu địa chỉ mạng IPv6"
 msgid "Request IPv6-prefix of length"
 msgstr "Yêu cầu tiền tố IPv6 có độ dài"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "Hết thời gian yêu cầu"
 
@@ -4597,7 +4612,7 @@ msgstr ""
 "Yêu cầu phiên bản 'đầy đủ' của wpad/hostapd và hỗ trợ từ phần mềm điều khiển "
 "wifi <br />(kể từ tháng 1 năm 2019: ath9k, ath10k, mwlwifi và mt76) "
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4650,15 +4665,15 @@ msgstr "Khởi động lại bộ đếm"
 msgid "Reset to defaults"
 msgstr "Phục hồi về mặc định"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "Tập tin Resolv và Hosts"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "Tập tin Resolv"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "Không tìm được nguồn"
 
@@ -4705,7 +4720,7 @@ msgstr "Yêu cầu hoàn nguyên không thành công với trạng thái <code>%
 msgid "Reverting configuration…"
 msgstr "Đang hoàn nguyên cấu hình .."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "Thư mục gốc cho các tệp được lấy qua TFTP"
 
@@ -4806,7 +4821,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4822,6 +4837,10 @@ msgstr "Lưu"
 msgid "Save & Apply"
 msgstr "Lưu & áp dụng "
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "Lưu mtdblock"
@@ -4878,7 +4897,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "Cấu hình máy chủ"
 
@@ -4987,7 +5006,7 @@ msgstr "Tín hiệu:"
 msgid "Size"
 msgstr "Dung lượng "
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "Dung lượng của bộ nhớ tạm truy vấn DNS"
 
@@ -5131,7 +5150,7 @@ msgstr "Định tuyến tĩnh IPv4"
 msgid "Static IPv6 Routes"
 msgstr "Định tuyến tĩnh IPv6"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "Thống kê địa chỉ đã cấp phát"
 
@@ -5145,7 +5164,7 @@ msgstr "Định tuyến tĩnh"
 msgid "Static address"
 msgstr "Địa chỉ tĩnh"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5177,7 +5196,7 @@ msgstr "Dừng"
 msgid "Stop refresh"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "Yêu cầu nghiêm ngặt"
 
@@ -5190,11 +5209,11 @@ msgstr "Mạnh"
 msgid "Submit"
 msgstr "Trình "
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "Dừng lưu nhật ký"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "Bỏ lưu nhật ký hoạt động định tuyến của các giao thức này"
 
@@ -5252,7 +5271,7 @@ msgstr "Đồng bộ với trình duyệt web"
 msgid "System"
 msgstr "Hệ thống"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "Nhật ký hệ thống"
@@ -5269,11 +5288,11 @@ msgstr "Kích cỡ bộ đệm nhật ký hệ thống"
 msgid "TCP:"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "Cài đặt TFTP"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "Máy chủ gốc TFTP"
 
@@ -5523,8 +5542,8 @@ msgstr ""
 "Tập tin đang tải hình ảnh không bao gồm một hổ trợ format. Bảo đảm rằng bạn "
 "chọn một image format tổng quát cho platform."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5558,7 +5577,7 @@ msgstr "Loại xác thực này không áp dụng cho phương pháp EAP đã ch
 msgid "This does not look like a valid PEM file"
 msgstr "Tập tin không giống như một tệp PEM hợp lệ"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5603,7 +5622,7 @@ msgstr ""
 "Đây là địa chỉ điểm cuối cục bộ được chỉ định bởi tunnel broker, nó thường "
 "kết thúc bằng <code>...:2/64</code>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5643,8 +5662,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5778,7 +5797,7 @@ msgid "Unable to dispatch"
 msgstr "Không thể gửi"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr ""
 
@@ -5839,7 +5858,7 @@ msgstr "Không xác định"
 msgid "Unknown error (%s)"
 msgstr "Lỗi không xác định (%s"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "Mã lỗi không xác định"
 
@@ -5863,7 +5882,7 @@ msgstr "Khóa không tên"
 msgid "Unsaved Changes"
 msgstr "Thay đổi không lưu"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "Lỗi không thể xác định"
 
@@ -5934,7 +5953,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "Uptime"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "Dùng <code>/etc/ethers</code>"
 
@@ -6053,7 +6072,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6284,7 +6303,7 @@ msgstr "Mạng không dây bị vô hiệu hóa"
 msgid "Wireless network is enabled"
 msgstr "Mạng không dây được kích hoạt"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "Viết yêu cầu DNS nhận được vào nhật ký hệ thống"
 
@@ -6292,7 +6311,7 @@ msgstr "Viết yêu cầu DNS nhận được vào nhật ký hệ thống"
 msgid "Write system log to file"
 msgstr "Viết nhật ký hệ thống vào một tệp"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "Có"
@@ -6342,7 +6361,7 @@ msgstr "Thiết đặt ZRam"
 msgid "ZRam Size"
 msgstr "Kích cỡ ZRam"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "Bất kể"
 
@@ -6438,14 +6457,14 @@ msgstr "Vô hiệu hóa"
 msgid "driver default"
 msgstr "Bộ điều khiển mặc didinhj"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "Hết hạn"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6507,7 +6526,7 @@ msgstr "Mật khẩu từ 8 đến 63 ký tự"
 msgid "key with either 5 or 13 characters"
 msgstr "Mật khẩu có 5 hoặc 13 ký tự"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "Tập tin <abbr title=\"Hệ thống tên miền\">DNS</abbr> địa phương"
 
@@ -6535,7 +6554,7 @@ msgstr "Không có liên kết"
 msgid "non-empty value"
 msgstr "Giá trị không rỗng"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "không"
 
@@ -6643,15 +6662,15 @@ msgstr "Giá trị độc nhất"
 msgid "unknown"
 msgstr "Không xác định"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "Không giới hạn"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6673,7 +6692,8 @@ msgid "untagged"
 msgstr "Chưa được gắn thẻ"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "Địa chỉ IP hợp lệ"
 
@@ -6686,7 +6706,7 @@ msgid "valid IPv4 CIDR"
 msgstr "IPv4 CIDR hợp lệ"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "Địa chỉ IPv4 hợp lệ"
 
@@ -6715,7 +6735,7 @@ msgid "valid IPv6 CIDR"
 msgstr "IPv6 CIDR hợp lệ"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "Địa chỉ IPv6 hợp lệ"
 
@@ -6775,9 +6795,9 @@ msgstr "Máy-chủ:cổng hợp lệ"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "Tên máy chủ hợp lệ"
 
@@ -6803,7 +6823,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "Cổng hoặc tầm cổng hợp lệ (Cổng 1- Cổng 2)"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "Giá trị cổng hợp lệ"
 
diff --git a/modules/luci-base/po/zh_Hans/base.po b/modules/luci-base/po/zh_Hans/base.po
index 0e254948ed..1a92f97983 100644
--- a/modules/luci-base/po/zh_Hans/base.po
+++ b/modules/luci-base/po/zh_Hans/base.po
@@ -59,8 +59,8 @@ msgid "-- Additional Field --"
 msgstr "-- 更多选项 --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -149,15 +149,15 @@ msgstr "802.11w 重试超时"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> 查询端口"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> 服务器端口"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -169,7 +169,7 @@ msgstr ""
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr> 地址"
 
@@ -193,7 +193,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr> 网关"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr> 后缀（十六进制）"
@@ -206,15 +206,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 配置"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 名称"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr> 地址"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -222,7 +222,7 @@ msgstr ""
 "<abbr title=\"maximal\">最大</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> 租约数量"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -230,7 +230,7 @@ msgstr ""
 "<abbr title=\"maximal\">最大</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> 数据包大小"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">最大</abbr>并发查询数"
 
@@ -363,11 +363,11 @@ msgstr "已分配的 DHCPv6 租约"
 msgid "Ad-Hoc"
 msgstr "点对点 Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -408,7 +408,7 @@ msgstr "添加实例"
 msgid "Add key"
 msgstr "添加密钥"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "添加本地域名后缀到 HOSTS 文件中的域名"
 
@@ -421,11 +421,11 @@ msgstr "添加新接口…"
 msgid "Add peer"
 msgstr "添加对等点"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "额外的 HOSTS 文件"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "额外的 SERVERS 文件"
 
@@ -451,7 +451,7 @@ msgstr "接入本地中继桥的地址"
 msgid "Administration"
 msgstr "管理权"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -480,17 +480,17 @@ msgstr "接口别名"
 msgid "Alias of \"%s\""
 msgstr "\"%s\" 的别名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "所有服务器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr "从最低可用地址开始顺序分配 IP 地址"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "顺序分配 IP"
 
@@ -514,7 +514,7 @@ msgstr "允许传统的 802.11b 速率"
 msgid "Allow listed only"
 msgstr "仅允许列表内"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "允许本机"
 
@@ -530,7 +530,7 @@ msgstr "允许 root 用户凭密码登录"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "允许 <em>root</em> 用户凭密码登录"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr "允许 127.0.0.0/8 回环范围内的上行响应，例如：RBL 服务"
@@ -550,6 +550,10 @@ msgid ""
 msgstr ""
 "即使辅助信道重叠，也始终使用 40MHz 信道。使用此选项不符合 IEEE 802.11n-2009！"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -702,7 +706,7 @@ msgstr "身份验证"
 msgid "Authentication Type"
 msgstr "身份验证类型"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "唯一授权"
 
@@ -836,7 +840,7 @@ msgstr ""
 "下面是待备份的文件清单。包含了更改的配置文件、必要的基础文件和用户自定义的需"
 "备份文件。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -856,7 +860,7 @@ msgstr "将隧道绑定到此接口（可选）。"
 msgid "Bitrate"
 msgstr "传输速率"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "忽略虚假空域名解析"
 
@@ -1107,7 +1111,7 @@ msgstr "正在收集数据…"
 msgid "Command"
 msgstr "命令"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "命令成功"
 
@@ -1166,7 +1170,7 @@ msgstr "已连接"
 msgid "Connection attempt failed"
 msgstr "尝试连接失败"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "失去连接"
 
@@ -1271,7 +1275,7 @@ msgstr "DAE 加密"
 msgid "DHCP Server"
 msgstr "DHCP 服务器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP/DNS"
@@ -1307,7 +1311,7 @@ msgstr "DHCPv6 服务"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNS 转发"
 
@@ -1315,11 +1319,11 @@ msgstr "DNS 转发"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-Label / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC 检查未签名"
 
@@ -1400,10 +1404,10 @@ msgstr ""
 "设置 DHCP 的附加选项，例如设定 \"<code>6,192.168.2.1,192.168.2.2</code>\" 表"
 "示通告不同的 DNS 服务器给客户端。"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1545,7 +1549,7 @@ msgstr "已禁用"
 msgid "Disassociate On Low Acknowledgement"
 msgstr "在低 Ack 应答时断开连接"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "丢弃 RFC1918 上行响应数据"
 
@@ -1560,7 +1564,8 @@ msgstr "断开连接"
 msgid "Disconnection attempt failed"
 msgstr "尝试断开连接失败"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1577,7 +1582,7 @@ msgstr "距离优化"
 msgid "Distance to farthest network member in meters."
 msgstr "最远网络用户的距离（米）。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1588,15 +1593,15 @@ msgstr ""
 "了一个集成的 <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</abbr> "
 "服务器和 <abbr title=\"Domain Name System\">DNS</abbr> 转发器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "不缓存无用的回应, 比如：不存在的域名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr "不转发公共域名服务器无法回应的请求"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "不转发本地网络的反向查询"
 
@@ -1616,11 +1621,11 @@ msgstr "您真的要清除所有设置吗？"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr "您真的要删除目录“%s”吗？"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "忽略空域名解析"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "域名白名单"
 
@@ -1628,7 +1633,7 @@ msgstr "域名白名单"
 msgid "Don't Fragment"
 msgstr "禁止分片"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1651,7 +1656,7 @@ msgstr "下载 mtdblock"
 msgid "Downstream SNR offset"
 msgstr "下游 SNR 偏移"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "拖动以重排"
 
@@ -1695,9 +1700,9 @@ msgstr "EA-位长"
 msgid "EAP-Method"
 msgstr "EAP 类型"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1774,7 +1779,7 @@ msgstr "启用 NTP 客户端"
 msgid "Enable Single DES"
 msgstr "启用单个 DES"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "启用 TFTP 服务器"
 
@@ -1895,11 +1900,11 @@ msgstr "以太网适配器"
 msgid "Ethernet Switch"
 msgstr "以太网交换机"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "排除接口"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "扩展 HOSTS 文件中的主机后缀"
 
@@ -1908,13 +1913,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr "这里需要一个十六进制值"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr "需要：%s"
 
@@ -1991,7 +1997,7 @@ msgstr "文件无法访问"
 msgid "Filename"
 msgstr "文件名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "向客户端通告的启动镜像文件名"
 
@@ -2000,11 +2006,11 @@ msgstr "向客户端通告的启动镜像文件名"
 msgid "Filesystem"
 msgstr "文件系统"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "过滤本地包"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "过滤无用包"
 
@@ -2051,7 +2057,7 @@ msgstr "固件文件"
 msgid "Firmware Version"
 msgstr "固件版本"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "指定的 DNS 查询源端口"
 
@@ -2177,7 +2183,7 @@ msgstr "网关地址无效"
 msgid "Gateway metric"
 msgstr "网关跃点"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2224,8 +2230,8 @@ msgstr "全局网络选项"
 msgid "Go to password configuration..."
 msgstr "跳转到密码配置页…"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2294,7 +2300,7 @@ msgid "Host-Uniq tag content"
 msgstr "Host-Uniq 标签内容"
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2601,7 +2607,7 @@ msgstr ""
 "swap 设备无法像 <abbr title=\"Random Access Memory\">RAM</abbr> 这样的高速率"
 "访问。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "忽略 <code>/etc/hosts</code>"
 
@@ -2609,7 +2615,7 @@ msgstr "忽略 <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "忽略此接口"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "忽略解析文件"
 
@@ -2779,11 +2785,11 @@ msgstr "无效的 VLAN ID！只有 %d 和 %d 之间的 ID 有效。"
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "无效的 VLAN ID！只允许唯一的 ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr "无效参数"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "无效命令"
 
@@ -2909,7 +2915,7 @@ msgstr "延迟"
 msgid "Leaf"
 msgstr "叶节点"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "租期"
@@ -2921,7 +2927,7 @@ msgstr "租期"
 msgid "Lease time remaining"
 msgstr "剩余租期"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "租约文件"
 
@@ -2946,11 +2952,11 @@ msgstr "图例："
 msgid "Limit"
 msgstr "客户数"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr "仅在网卡所属的子网中提供 DNS 服务。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr "仅监听这些接口和环回接口。"
 
@@ -2974,7 +2980,7 @@ msgstr "线路运行时间"
 msgid "Link On"
 msgstr "活动链接"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -3010,15 +3016,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr "用于认证的 SSH 密钥文件列表"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "允许 RFC1918 响应的域名列表"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "允许虚假空域名响应的服务器列表"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr "监听接口"
 
@@ -3030,7 +3036,7 @@ msgstr "监听端口"
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "仅监听指定的接口，未指定则监听全部"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "入站 DNS 查询端口"
 
@@ -3075,7 +3081,7 @@ msgstr "本地 IPv4 地址"
 msgid "Local IPv6 address"
 msgstr "本地 IPv6 地址"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "仅本地服务"
 
@@ -3088,31 +3094,31 @@ msgstr "本地启动脚本"
 msgid "Local Time"
 msgstr "本地时间"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "本地域名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr "本地域名规则。与此域匹配的名称从不转发，仅从 DHCP 或 HOSTS 文件解析"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr "本地域名后缀将添加到 DHCP 和 HOSTS 文件条目"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "本地服务器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr "如果有多个 IP 可用，则根据请求来源的子网来本地化主机名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "本地化查询"
 
@@ -3124,7 +3130,7 @@ msgstr "锁定到 BSSID"
 msgid "Log output level"
 msgstr "日志记录等级"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "记录查询日志"
 
@@ -3235,15 +3241,15 @@ msgstr "最大可达数据速率（ATTNDR）"
 msgid "Maximum allowed Listen Interval"
 msgstr "允许的最大监听间隔"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "允许的最大 DHCP 租用数"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "允许的最大并发 DNS 查询数"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "允许的最大 EDNS.0 UDP 数据包大小"
 
@@ -3296,7 +3302,7 @@ msgstr "Mesh ID"
 msgid "Mesh Id"
 msgstr "Mesh ID"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr "方法未找到"
 
@@ -3373,7 +3379,7 @@ msgstr "监听"
 msgid "More Characters"
 msgstr "需要更多字符"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "更多…"
 
@@ -3462,7 +3468,7 @@ msgstr "NT 域"
 msgid "NTP server candidates"
 msgstr "候选 NTP 服务器"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3494,7 +3500,7 @@ msgstr "网络"
 msgid "Network Utilities"
 msgstr "网络工具"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "网络启动镜像"
 
@@ -3515,7 +3521,7 @@ msgstr "新接口名称…"
 msgid "Next »"
 msgstr "前进 »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "否"
@@ -3544,7 +3550,7 @@ msgstr "无RX信号"
 msgid "No client associated"
 msgstr "没有关联的客户端"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "没有接收到数据"
 
@@ -3568,7 +3574,7 @@ msgstr "无可用信息"
 msgid "No matching prefix delegation"
 msgstr "无匹配的前缀委托"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "禁用无效信息缓存"
 
@@ -3618,7 +3624,7 @@ msgstr "噪声："
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr "非抢占 CRC 错误（CRC_P）"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr "非全部地址"
 
@@ -3656,7 +3662,7 @@ msgstr "不存在"
 msgid "Not started on boot"
 msgstr "开机时不启动"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "不支持"
 
@@ -3668,7 +3674,7 @@ msgstr "注意"
 msgid "Nslookup"
 msgstr "Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr "缓存的 DNS 条目数量（最大 10000，0 表示不缓存）"
 
@@ -3715,7 +3721,7 @@ msgstr "On-Link 路由"
 msgid "On-State Delay"
 msgstr "通电时间"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "请指定主机名或MAC地址！"
 
@@ -3751,6 +3757,15 @@ msgstr "OpenConnect (CISCO AnyConnect)"
 msgid "Operating frequency"
 msgstr "工作频率"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "选项已更改"
@@ -4120,7 +4135,7 @@ msgstr "执行重启"
 msgid "Perform reset"
 msgstr "执行重置"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "没有权限"
 
@@ -4210,7 +4225,7 @@ msgid ""
 "ignore failures"
 msgstr "在指定数量的 LCP 响应故障后假定链路已断开，0 为忽略故障"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr "不监听这些接口。"
 
@@ -4282,7 +4297,7 @@ msgstr "QMI 蜂窝"
 msgid "Quality"
 msgstr "质量"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4350,7 +4365,7 @@ msgstr "Radius 认证服务器"
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr "原始 16 进制编码的字节。除非您的 ISP 要求，否则请留空"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4370,7 +4385,7 @@ msgstr "实时信息"
 msgid "Reassociation Deadline"
 msgstr "重关联截止时间"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "重绑定保护"
 
@@ -4454,7 +4469,7 @@ msgstr "请求 IPv6 地址"
 msgid "Request IPv6-prefix of length"
 msgstr "请求指定长度的 IPv6 前缀"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "请求超时"
 
@@ -4516,7 +4531,7 @@ msgstr ""
 "需要完整版本的 wpad/hostapd，并且 WiFi 驱动支持<br />（截止 2019.01，已知支持"
 "此特性的驱动有 ath9k、ath10k、mwlwifi 和 mt76）"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4567,15 +4582,15 @@ msgstr "复位计数器"
 msgid "Reset to defaults"
 msgstr "恢复到出厂设置"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "HOSTS 和解析文件"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "解析文件"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr "未找到资源"
 
@@ -4622,7 +4637,7 @@ msgstr "恢复请求失败，状态 <code>%h</code>"
 msgid "Reverting configuration…"
 msgstr "正在恢复配置…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "TFTP 服务器的根目录"
 
@@ -4721,7 +4736,7 @@ msgstr "SSID"
 msgid "SWAP"
 msgstr "交换分区"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4737,6 +4752,10 @@ msgstr "保存"
 msgid "Save & Apply"
 msgstr "保存并应用"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr "保存 mtdblock"
@@ -4792,7 +4811,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr "定时发送 LCP 响应（秒），仅在结合了故障阈值时有效"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "服务器设置"
 
@@ -4900,7 +4919,7 @@ msgstr "信号："
 msgid "Size"
 msgstr "大小"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "DNS 查询缓存的大小"
 
@@ -5038,7 +5057,7 @@ msgstr "静态 IPv4 路由"
 msgid "Static IPv6 Routes"
 msgstr "静态 IPv6 路由"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "静态地址分配"
 
@@ -5052,7 +5071,7 @@ msgstr "静态路由"
 msgid "Static address"
 msgstr "静态地址"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5082,7 +5101,7 @@ msgstr "停止"
 msgid "Stop refresh"
 msgstr "停止刷新"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "严谨查序"
 
@@ -5095,11 +5114,11 @@ msgstr "强"
 msgid "Submit"
 msgstr "提交"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "不记录日志"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "不记录这些协议的常规操作日志"
 
@@ -5155,7 +5174,7 @@ msgstr "同步浏览器时间"
 msgid "System"
 msgstr "系统"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "系统日志"
@@ -5172,11 +5191,11 @@ msgstr "系统日志缓冲区大小"
 msgid "TCP:"
 msgstr "TCP："
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP 设置"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP 服务器根目录"
 
@@ -5413,8 +5432,8 @@ msgid ""
 "you choose the generic image format for your platform."
 msgstr "不支持所上传的映像文件格式，请选择适合当前平台的通用映像文件。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5446,7 +5465,7 @@ msgstr "此身份验证类型不适用于所选的 EAP 方法。"
 msgid "This does not look like a valid PEM file"
 msgstr "这不是有效的 PEM 文件"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5485,7 +5504,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr "隧道代理分配的本地终端地址，通常以 <code>...:2/64</code> 结尾"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5523,8 +5542,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr "此选项不可用，因为 ca-bundle 软件包未安装。"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5656,7 +5675,7 @@ msgid "Unable to dispatch"
 msgstr "无法调度"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "无法读取日志数据："
 
@@ -5717,7 +5736,7 @@ msgstr "未知"
 msgid "Unknown error (%s)"
 msgstr "未知错误（%s）"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "未知错误代码"
 
@@ -5741,7 +5760,7 @@ msgstr "未命名的密钥"
 msgid "Unsaved Changes"
 msgstr "未保存的配置"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "未指定的错误"
 
@@ -5810,7 +5829,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "运行时间"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "使用 <code>/etc/ethers</code> 配置"
 
@@ -5929,7 +5948,7 @@ msgstr "使用系统证书"
 msgid "Use system certificates for inner-tunnel"
 msgstr "为内置隧道使用系统证书"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6158,7 +6177,7 @@ msgstr "无线网络已禁用"
 msgid "Wireless network is enabled"
 msgstr "无线网络已启用"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "将收到的 DNS 请求写入系统日志"
 
@@ -6166,7 +6185,7 @@ msgstr "将收到的 DNS 请求写入系统日志"
 msgid "Write system log to file"
 msgstr "将系统日志写入文件"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "是"
@@ -6210,7 +6229,7 @@ msgstr "ZRam 设置"
 msgid "ZRam Size"
 msgstr "ZRam 大小"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "任意"
 
@@ -6305,14 +6324,14 @@ msgstr "已禁用"
 msgid "driver default"
 msgstr "驱动默认"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "过期时间"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6374,7 +6393,7 @@ msgstr "密钥在 8 到 63 个字符之间"
 msgid "key with either 5 or 13 characters"
 msgstr "密钥为 5 或 13 个字符"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "本地 <abbr title=\"Domain Name System\">DNS</abbr> 解析文件"
 
@@ -6402,7 +6421,7 @@ msgstr "未连接"
 msgid "non-empty value"
 msgstr "非空值"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "无"
 
@@ -6510,15 +6529,15 @@ msgstr "唯一值"
 msgid "unknown"
 msgstr "未知"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "无限制"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6540,7 +6559,8 @@ msgid "untagged"
 msgstr "未标记"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "有效 IP 地址"
 
@@ -6553,7 +6573,7 @@ msgid "valid IPv4 CIDR"
 msgstr "有效 IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "有效 IPv4 地址"
 
@@ -6582,7 +6602,7 @@ msgid "valid IPv6 CIDR"
 msgstr "有效 IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "有效 IPv6 地址"
 
@@ -6642,9 +6662,9 @@ msgstr "有效 host:port"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "有效主机名"
 
@@ -6670,7 +6690,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr "有效端口或端口范围（port1-port2）"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "有效端口值"
 
diff --git a/modules/luci-base/po/zh_Hant/base.po b/modules/luci-base/po/zh_Hant/base.po
index 38524c9a91..408d9b6d27 100644
--- a/modules/luci-base/po/zh_Hant/base.po
+++ b/modules/luci-base/po/zh_Hant/base.po
@@ -57,8 +57,8 @@ msgid "-- Additional Field --"
 msgstr "-- 更多選項 --"
 
 #: modules/luci-base/htdocs/luci-static/resources/cbi.js:275
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3431
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:718
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:949
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:1917
@@ -147,15 +147,15 @@ msgstr "802.11w 重試逾時時間"
 msgid "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 msgstr "<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:307
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:319
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> query port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> 查詢通訊埠"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:298
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:310
 msgid "<abbr title=\"Domain Name System\">DNS</abbr> server port"
 msgstr "<abbr title=\"Domain Name System\">DNS</abbr> 伺服器通訊埠"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:260
 msgid ""
 "<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the "
 "order of the resolvfile"
@@ -165,7 +165,7 @@ msgstr "將會按照指定的順序查詢<abbr title=\"Domain Name System\">DNS<
 msgid "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 msgstr "<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:456
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:468
 msgid "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"
 msgstr "<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-位置"
 
@@ -189,7 +189,7 @@ msgstr ""
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Gateway"
 msgstr "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-閘道"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:485
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:497
 msgid "<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"
 msgstr ""
 
@@ -201,15 +201,15 @@ msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 設定"
 msgid "<abbr title=\"Light Emitting Diode\">LED</abbr> Name"
 msgstr "<abbr title=\"Light Emitting Diode\">LED</abbr> 名稱"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:424
 msgid "<abbr title=\"Media Access Control\">MAC</abbr>-Address"
 msgstr "<abbr title=\"Media Access Control\">MAC</abbr>-位置"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:479
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:491
 msgid "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 msgstr "<abbr title=\"The DHCP Unique Identifier\">DUID</abbr>"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:316
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:328
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> leases"
@@ -217,7 +217,7 @@ msgstr ""
 "<abbr title=\"maximal\">最大</abbr> <abbr title=\"Dynamic Host Configuration "
 "Protocol\">DHCP</abbr> 分配數量"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:325
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:337
 msgid ""
 "<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> packet size"
@@ -225,7 +225,7 @@ msgstr ""
 "<abbr title=\"maximal\">最大</abbr> <abbr title=\"Extension Mechanisms for "
 "Domain Name System\">EDNS0</abbr> 封包大小"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:334
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:346
 msgid "<abbr title=\"maximal\">Max.</abbr> concurrent queries"
 msgstr "<abbr title=\"maximal\">最大</abbr>同時查詢數量"
 
@@ -357,11 +357,11 @@ msgstr "已分配的DHCPv6租用"
 msgid "Ad-Hoc"
 msgstr "Ad-Hoc"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1953
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1955
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1968
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1969
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2936
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1962
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1964
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1977
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1978
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2945
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:25
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:189
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:197
@@ -402,7 +402,7 @@ msgstr "加入實體"
 msgid "Add key"
 msgstr "加入金鑰"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:236
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:248
 msgid "Add local domain suffix to names served from hosts files"
 msgstr "添加本地網域微碼到HOSTS檔案"
 
@@ -415,11 +415,11 @@ msgstr "新增新界面…"
 msgid "Add peer"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:200
 msgid "Additional Hosts files"
 msgstr "額外的HOST檔案"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
 msgid "Additional servers file"
 msgstr "額外的伺服器設定檔"
 
@@ -445,7 +445,7 @@ msgstr "存取本地中繼橋接位置"
 msgid "Administration"
 msgstr "管理"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:152
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:164
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:322
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:551
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:966
@@ -474,17 +474,17 @@ msgstr "別名介面"
 msgid "Alias of \"%s\""
 msgstr "\"%s\" 的別名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
 msgid "All Servers"
 msgstr "查詢所有伺服器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:209
 msgid ""
 "Allocate IP addresses sequentially, starting from the lowest available "
 "address"
 msgstr "按照順序分配 IP 位址，從最低的可用位址開始"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:196
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:208
 msgid "Allocate IP sequentially"
 msgstr "依序分配 IP"
 
@@ -508,7 +508,7 @@ msgstr "允許舊型 802.11b 頻率"
 msgid "Allow listed only"
 msgstr "僅允許列表內"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:281
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:293
 msgid "Allow localhost"
 msgstr "允許本機"
 
@@ -524,7 +524,7 @@ msgstr "允許root登入"
 msgid "Allow the <em>root</em> user to login with password"
 msgstr "允許 <em>root</em> 使用者登入"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:282
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:294
 msgid ""
 "Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"
 msgstr "允許127.0.0.0/8範圍內的上游回應，例如：RBL服務"
@@ -545,6 +545,10 @@ msgstr ""
 "永遠使用 40MHz 頻道，即使次要頻道有重疊。使用這個選項並不符合 IEEE "
 "802.11n-2009 規範！"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:569
+msgid "An error occurred while saving the form:"
+msgstr ""
+
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:888
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/50_dsl.js:20
 msgid "Annex"
@@ -697,7 +701,7 @@ msgstr "認證"
 msgid "Authentication Type"
 msgstr "認證類型"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:160
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:172
 msgid "Authoritative"
 msgstr "授權"
 
@@ -831,7 +835,7 @@ msgstr ""
 "下面是待備份的檔案清單。包含了更改的設定檔案、必要的基本檔案和使用者自訂的備"
 "份檔案。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:376
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
 msgid ""
 "Bind dynamically to interfaces rather than wildcard address (recommended as "
 "linux default)"
@@ -851,7 +855,7 @@ msgstr "綁定通道到此介面 (選擇性)。"
 msgid "Bitrate"
 msgstr "傳輸速率"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:254
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
 msgid "Bogus NX Domain Override"
 msgstr "忽略NX網域解析"
 
@@ -1098,7 +1102,7 @@ msgstr "收集資料中..."
 msgid "Command"
 msgstr "指令"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:395
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
 msgid "Command OK"
 msgstr "指令 OK"
 
@@ -1154,7 +1158,7 @@ msgstr "已連線"
 msgid "Connection attempt failed"
 msgstr "連線嘗試失敗"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:414
 msgid "Connection lost"
 msgstr "失去連線"
 
@@ -1260,7 +1264,7 @@ msgstr "DAE-金鑰"
 msgid "DHCP Server"
 msgstr "DHCP伺服器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 #: modules/luci-mod-network/root/usr/share/luci/menu.d/luci-mod-network.json:45
 msgid "DHCP and DNS"
 msgstr "DHCP 和 DNS"
@@ -1296,7 +1300,7 @@ msgstr "DHCPv6-服務"
 msgid "DNS"
 msgstr "DNS"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:265
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:277
 msgid "DNS forwardings"
 msgstr "DNS封包轉發"
 
@@ -1304,11 +1308,11 @@ msgstr "DNS封包轉發"
 msgid "DNS-Label / FQDN"
 msgstr "DNS-標籤 / FQDN"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:216
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
 msgid "DNSSEC"
 msgstr "DNSSEC"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:220
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
 msgid "DNSSEC check unsigned"
 msgstr "DNSSEC 檢查未簽章"
 
@@ -1389,10 +1393,10 @@ msgstr ""
 "定義額外的DHCP選項,例如\"<code>6,192.168.2.1,192.168.2.2</code>\"將會通告不同"
 "的DNS伺服器到客戶端."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2019
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2433
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2436
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2921
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2028
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2442
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2445
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2930
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:2806
 #: modules/luci-compat/luasrc/view/cbi/nsection.htm:11
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:162
@@ -1534,7 +1538,7 @@ msgstr "關閉"
 msgid "Disassociate On Low Acknowledgement"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:287
 msgid "Discard upstream RFC1918 responses"
 msgstr "丟棄上游RFC1918 虛擬IP網路的回應"
 
@@ -1549,7 +1553,8 @@ msgstr "中斷連線"
 msgid "Disconnection attempt failed"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2630
+#: modules/luci-base/htdocs/luci-static/resources/form.js:572
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2639
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3129
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3874
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3963
@@ -1566,7 +1571,7 @@ msgstr "最佳化距離"
 msgid "Distance to farthest network member in meters."
 msgstr "到最遠的網路距離以米表示."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:143
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:155
 msgid ""
 "Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol"
 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-"
@@ -1577,15 +1582,15 @@ msgstr ""
 "abbr>-伺服器 和 <abbr title=\"Domain Name System\">DNS</abbr>-轉發給 <abbr "
 "title=\"Network Address Translation\">NAT</abbr> 防火牆用"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
 msgid "Do not cache negative replies, e.g. for not existing domains"
 msgstr "不快取拒絕的回應,例如.不存在的網域"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:207
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:219
 msgid "Do not forward requests that cannot be answered by public name servers"
 msgstr "對不被公用名稱伺服器回應的請求不轉發"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:202
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:214
 msgid "Do not forward reverse lookups for local networks"
 msgstr "對本地網域不轉發反解析鎖定"
 
@@ -1605,11 +1610,11 @@ msgstr "您確定要清除所有設定？"
 msgid "Do you really want to recursively delete the directory \"%s\" ?"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:156
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:168
 msgid "Domain required"
 msgstr "網域必要的"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:288
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:300
 msgid "Domain whitelist"
 msgstr "網域白名單"
 
@@ -1617,7 +1622,7 @@ msgstr "網域白名單"
 msgid "Don't Fragment"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
 msgid ""
 "Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without "
 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"
@@ -1641,7 +1646,7 @@ msgstr "下載 mtdblock"
 msgid "Downstream SNR offset"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2392
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2401
 msgid "Drag to reorder"
 msgstr "拖動來排序"
 
@@ -1684,9 +1689,9 @@ msgstr ""
 msgid "EAP-Method"
 msgstr "EAP協定驗證方式"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2411
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2414
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2785
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2420
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2423
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2794
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:154
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:160
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:337
@@ -1763,7 +1768,7 @@ msgstr "啟用NTP同步功能"
 msgid "Enable Single DES"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:349
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
 msgid "Enable TFTP server"
 msgstr "啟用TFTP伺服器"
 
@@ -1884,11 +1889,11 @@ msgstr "乙太網路卡"
 msgid "Ethernet Switch"
 msgstr "乙太交換器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:399
 msgid "Exclude interfaces"
 msgstr "排除介面"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:235
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
 msgid "Expand hosts"
 msgstr "延伸主機"
 
@@ -1897,13 +1902,14 @@ msgid "Expecting a hexadecimal assignment hint"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:60
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "Expecting: %s"
 msgstr ""
 
@@ -1980,7 +1986,7 @@ msgstr "無法存取檔案"
 msgid "Filename"
 msgstr "檔名"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:362
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:374
 msgid "Filename of the boot image advertised to clients"
 msgstr "開機影像檔通知給用戶端"
 
@@ -1989,11 +1995,11 @@ msgstr "開機影像檔通知給用戶端"
 msgid "Filesystem"
 msgstr "檔案系統"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:201
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:213
 msgid "Filter private"
 msgstr "私人過濾器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:206
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:218
 msgid "Filter useless"
 msgstr "無用過濾器"
 
@@ -2040,7 +2046,7 @@ msgstr "防火牆檔案"
 msgid "Firmware Version"
 msgstr "防火牆版本"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:308
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:320
 msgid "Fixed source port for outbound DNS queries"
 msgstr "外發DNS請求的固定埠號"
 
@@ -2164,7 +2170,7 @@ msgstr "網關(Gateway)位址錯誤"
 msgid "Gateway metric"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:149
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:321
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/routes.js:24
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/mounts.js:239
@@ -2211,8 +2217,8 @@ msgstr "全域網路設定"
 msgid "Go to password configuration..."
 msgstr "前往密碼設定..."
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2334
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3088
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2343
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3097
 #: modules/luci-compat/luasrc/view/cbi/full_valueheader.htm:4
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:58
 msgid "Go to relevant configuration page"
@@ -2281,7 +2287,7 @@ msgid "Host-Uniq tag content"
 msgstr ""
 
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:36
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:412
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js:27
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/10_system.js:54
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:29
@@ -2587,7 +2593,7 @@ msgstr ""
 "title=\"Random Access Memory\">RAM</abbr> 有更多可用空間。請注意，記憶體交換"
 "很慢，交換設備不像 <abbr title=\"Random Access Memory\">RAM</abbr> 般快速。"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:197
 msgid "Ignore <code>/etc/hosts</code>"
 msgstr "不使用 <code>/etc/hosts</code>"
 
@@ -2595,7 +2601,7 @@ msgstr "不使用 <code>/etc/hosts</code>"
 msgid "Ignore interface"
 msgstr "被忽視的介面"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:185
 msgid "Ignore resolve file"
 msgstr "不使用解析檔"
 
@@ -2764,11 +2770,11 @@ msgstr "輸入的 VLAN ID 無效！僅有介於 %d 和 %d 的被允許。"
 msgid "Invalid VLAN ID given! Only unique IDs are allowed"
 msgstr "輸入的是不正確的VLAN ID!僅允許獨一無二的IDs"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:397
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
 msgid "Invalid argument"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:396
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:405
 msgid "Invalid command"
 msgstr "無效的指令"
 
@@ -2894,7 +2900,7 @@ msgstr "延遲"
 msgid "Leaf"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:476
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:488
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:589
 msgid "Lease time"
 msgstr "租賃時間長度"
@@ -2906,7 +2912,7 @@ msgstr "租賃時間長度"
 msgid "Lease time remaining"
 msgstr "租賃保留時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:169
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:181
 msgid "Leasefile"
 msgstr "租賃檔案"
 
@@ -2931,11 +2937,11 @@ msgstr "圖例:"
 msgid "Limit"
 msgstr "限制"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:370
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
 msgid "Limit DNS service to subnets interfaces on which we are serving DNS."
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:383
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:395
 msgid "Limit listening to these interfaces, and loopback."
 msgstr ""
 
@@ -2959,7 +2965,7 @@ msgstr ""
 msgid "Link On"
 msgstr "鏈接"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:266
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:278
 msgid ""
 "List of <abbr title=\"Domain Name System\">DNS</abbr> servers to forward "
 "requests to"
@@ -2987,15 +2993,15 @@ msgstr ""
 msgid "List of SSH key files for auth"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:289
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:301
 msgid "List of domains to allow RFC1918 responses for"
 msgstr "列出允許RFC1918文件虛擬IP回應的網域"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:255
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:267
 msgid "List of hosts that supply bogus NX domain results"
 msgstr "列出供應偽裝NX網域成果的主機群"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:382
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:394
 msgid "Listen Interfaces"
 msgstr ""
 
@@ -3007,7 +3013,7 @@ msgstr ""
 msgid "Listen only on the given interface or, if unspecified, on all"
 msgstr "只許在給予的介面上聆聽, 如果未指定, 全都允許"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:299
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:311
 msgid "Listening port for inbound DNS queries"
 msgstr "進入的DNS請求聆聽埠"
 
@@ -3052,7 +3058,7 @@ msgstr "本地IPv4位址"
 msgid "Local IPv6 address"
 msgstr "本地IPv6位址"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:369
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:381
 msgid "Local Service Only"
 msgstr "僅限本機服務"
 
@@ -3065,31 +3071,31 @@ msgstr "本地啟動"
 msgid "Local Time"
 msgstr "本地時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:231
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:243
 msgid "Local domain"
 msgstr "本地網域"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:228
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:240
 msgid ""
 "Local domain specification. Names matching this domain are never forwarded "
 "and are resolved from DHCP or hosts files only"
 msgstr "區網規範。不轉發與此網域符合的名稱，且僅從 DHCP 或 host 文件中解析"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:232
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
 msgid "Local domain suffix appended to DHCP names and hosts file entries"
 msgstr "本地網域後綴附加倒DHCP名稱和hosts檔項目"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:227
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
 msgid "Local server"
 msgstr "本地伺服器"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:212
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:224
 msgid ""
 "Localise hostname depending on the requesting subnet if multiple IPs are "
 "available"
 msgstr "若有多個IP可用, 本地化主機名稱端看請求的子網路而言"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:211
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:223
 msgid "Localise queries"
 msgstr "本地化網路請求"
 
@@ -3101,7 +3107,7 @@ msgstr ""
 msgid "Log output level"
 msgstr "日誌輸出等級"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:262
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
 msgid "Log queries"
 msgstr "日誌查詢"
 
@@ -3212,15 +3218,15 @@ msgstr ""
 msgid "Maximum allowed Listen Interval"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:317
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:329
 msgid "Maximum allowed number of active DHCP leases"
 msgstr "允許啟用DHCP釋放的最大數量"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:335
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:347
 msgid "Maximum allowed number of concurrent DNS queries"
 msgstr "允許同時齊發的DNS請求的最大數量"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:326
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:338
 msgid "Maximum allowed size of EDNS.0 UDP packets"
 msgstr "允許EDNS.0 協定的UDP封包最大數量"
 
@@ -3273,7 +3279,7 @@ msgstr ""
 msgid "Mesh Id"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:398
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:407
 msgid "Method not found"
 msgstr ""
 
@@ -3350,7 +3356,7 @@ msgstr "監視"
 msgid "More Characters"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2276
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2285
 msgid "More…"
 msgstr "更多…"
 
@@ -3439,7 +3445,7 @@ msgstr ""
 msgid "NTP server candidates"
 msgstr "NTP伺服器備選"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2314
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2323
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3601
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:27
 #: modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js:708
@@ -3471,7 +3477,7 @@ msgstr "網路"
 msgid "Network Utilities"
 msgstr "網路工具"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:361
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:373
 msgid "Network boot image"
 msgstr "網路開機映像檔"
 
@@ -3492,7 +3498,7 @@ msgstr "新介面名稱…"
 msgid "Next »"
 msgstr "下一個 »"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:108
 msgid "No"
 msgstr "不"
@@ -3521,7 +3527,7 @@ msgstr ""
 msgid "No client associated"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:400
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:409
 msgid "No data received"
 msgstr "未收到任何資料"
 
@@ -3545,7 +3551,7 @@ msgstr "無可用資訊"
 msgid "No matching prefix delegation"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:239
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:251
 msgid "No negative cache"
 msgstr "拒絕無效網域的快取"
 
@@ -3595,7 +3601,7 @@ msgstr "雜訊比:"
 msgid "Non Pre-emptive CRC errors (CRC_P)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:375
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:387
 msgid "Non-wildcard"
 msgstr ""
 
@@ -3633,7 +3639,7 @@ msgstr ""
 msgid "Not started on boot"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:403
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:412
 msgid "Not supported"
 msgstr "不支援"
 
@@ -3645,7 +3651,7 @@ msgstr "通知"
 msgid "Nslookup"
 msgstr "DNS偵錯Nslookup"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:343
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:355
 msgid "Number of cached DNS entries (max is 10000, 0 is no caching)"
 msgstr "快取DNS項目數量(最大值為10000,輸入0代表不快取)"
 
@@ -3692,7 +3698,7 @@ msgstr ""
 msgid "On-State Delay"
 msgstr "點亮狀態間隔"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:465
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:477
 msgid "One of hostname or mac address must be specified!"
 msgstr "主機名稱或 mac 位址至少要有一個被指定！"
 
@@ -3728,6 +3734,15 @@ msgstr ""
 msgid "Operating frequency"
 msgstr "操作頻率"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1766
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3380
+msgid "Option \"%s\" contains an invalid input value."
+msgstr ""
+
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1779
+msgid "Option \"%s\" must not be empty."
+msgstr ""
+
 #: modules/luci-base/htdocs/luci-static/resources/ui.js:3866
 msgid "Option changed"
 msgstr "選項已變更"
@@ -4091,7 +4106,7 @@ msgstr "重新開機"
 msgid "Perform reset"
 msgstr "執行重置"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:401
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:410
 msgid "Permission denied"
 msgstr "權限不符"
 
@@ -4181,7 +4196,7 @@ msgid ""
 "ignore failures"
 msgstr "假若在給于多次的 LCP 呼叫失敗後終點將死, 使用0忽略失敗"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:388
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:400
 msgid "Prevent listening on these interfaces."
 msgstr ""
 
@@ -4253,7 +4268,7 @@ msgstr ""
 msgid "Quality"
 msgstr "品質"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:252
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:264
 msgid ""
 "Query all available upstream <abbr title=\"Domain Name System\">DNS</abbr> "
 "servers"
@@ -4320,7 +4335,7 @@ msgstr "Radius-驗証-伺服器"
 msgid "Raw hex-encoded bytes. Leave empty unless your ISP require this"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:166
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:178
 msgid ""
 "Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host "
 "Configuration Protocol\">DHCP</abbr>-Server"
@@ -4340,7 +4355,7 @@ msgstr "即時圖表"
 msgid "Reassociation Deadline"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:274
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:286
 msgid "Rebind protection"
 msgstr "重新綁護"
 
@@ -4424,7 +4439,7 @@ msgstr ""
 msgid "Request IPv6-prefix of length"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:402
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:411
 msgid "Request timeout"
 msgstr "請求超時"
 
@@ -4482,7 +4497,7 @@ msgid ""
 "<br />(as of Jan 2019: ath9k, ath10k, mwlwifi and mt76)"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:221
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:233
 msgid ""
 "Requires upstream supports DNSSEC; verify unsigned domain responses really "
 "come from unsigned domains"
@@ -4533,15 +4548,15 @@ msgstr "重置計數器"
 msgid "Reset to defaults"
 msgstr "回復預設值"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:150
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:162
 msgid "Resolv and Hosts Files"
 msgstr "解析和Hosts檔案"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:176
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:188
 msgid "Resolve file"
 msgstr "解析檔"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:399
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:408
 msgid "Resource not found"
 msgstr ""
 
@@ -4588,7 +4603,7 @@ msgstr ""
 msgid "Reverting configuration…"
 msgstr "正在還原設定值…"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:353
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:365
 msgid "Root directory for files served via TFTP"
 msgstr "透過TFTP存取根目錄檔案"
 
@@ -4687,7 +4702,7 @@ msgstr "基地台服務設定識別碼SSID"
 msgid "SWAP"
 msgstr ""
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2634
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2643
 #: modules/luci-base/htdocs/luci-static/resources/luci.js:2073
 #: modules/luci-compat/luasrc/view/cbi/error.htm:17
 #: modules/luci-compat/luasrc/view/cbi/footer.htm:26
@@ -4703,6 +4718,10 @@ msgstr "儲存"
 msgid "Save & Apply"
 msgstr "保存並啟用"
 
+#: modules/luci-base/htdocs/luci-static/resources/form.js:568
+msgid "Save error"
+msgstr ""
+
 #: modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js:398
 msgid "Save mtdblock"
 msgstr ""
@@ -4758,7 +4777,7 @@ msgid ""
 "conjunction with failure threshold"
 msgstr "傳送LCP呼叫請求在這個給予的秒數間隔內, 僅影響關聯到失敗門檻"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:145
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:157
 msgid "Server Settings"
 msgstr "伺服器設定值"
 
@@ -4864,7 +4883,7 @@ msgstr "信號:"
 msgid "Size"
 msgstr "大小"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:342
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:354
 msgid "Size of DNS query cache"
 msgstr "DNS請求快取大小"
 
@@ -5000,7 +5019,7 @@ msgstr "靜態IPv4路由"
 msgid "Static IPv6 Routes"
 msgstr "靜態IPv6路由"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:153
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
 msgid "Static Leases"
 msgstr "靜態租約"
 
@@ -5014,7 +5033,7 @@ msgstr "靜態路由"
 msgid "Static address"
 msgstr "靜態位址"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:392
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:404
 msgid ""
 "Static leases are used to assign fixed IP addresses and symbolic hostnames "
 "to DHCP clients. They are also required for non-dynamic interface "
@@ -5044,7 +5063,7 @@ msgstr "停止"
 msgid "Stop refresh"
 msgstr "停止刷新"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:247
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:259
 msgid "Strict order"
 msgstr "嚴謹順序"
 
@@ -5057,11 +5076,11 @@ msgstr "超激強"
 msgid "Submit"
 msgstr "提交"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:191
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:203
 msgid "Suppress logging"
 msgstr "抑制日誌記錄"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:192
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:204
 msgid "Suppress logging of the routine operation of these protocols"
 msgstr "抑制記錄這些協定的例行動作"
 
@@ -5117,7 +5136,7 @@ msgstr "與瀏覽器同步時間"
 msgid "System"
 msgstr "系統"
 
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:18
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:25
 #: modules/luci-mod-status/root/usr/share/luci/menu.d/luci-mod-status.json:30
 msgid "System Log"
 msgstr "系統日誌"
@@ -5134,11 +5153,11 @@ msgstr "系統日誌緩衝大小"
 msgid "TCP:"
 msgstr "TCP:"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:151
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:163
 msgid "TFTP Settings"
 msgstr "TFTP設定"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:352
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:364
 msgid "TFTP server root"
 msgstr "TFTP 伺服器根"
 
@@ -5371,8 +5390,8 @@ msgid ""
 msgstr ""
 "以上傳的映像檔不包含支援格式. 請確認您選擇的是針對您的平台採用的通用映像檔."
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:516
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:548
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:528
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:560
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:52
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:89
 msgid "There are no active leases"
@@ -5404,7 +5423,7 @@ msgstr "已選的 EAP 方法無適用的驗證方式。"
 msgid "This does not look like a valid PEM file"
 msgstr "這看起來不像有效的 PEM 檔案"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:244
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:256
 msgid ""
 "This file may contain lines like 'server=/domain/1.2.3.4' or "
 "'server=1.2.3.4' for domain-specific or full upstream <abbr title=\"Domain "
@@ -5441,7 +5460,7 @@ msgid ""
 "ends with <code>...:2/64</code>"
 msgstr "這是由通道代理人指定的本地終端位址，通常用 <code>...:2/64</code> 結尾"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:161
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:173
 msgid ""
 "This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr> in the local network"
@@ -5479,8 +5498,8 @@ msgid ""
 "This option cannot be used because the ca-bundle package is not installed."
 msgstr "此動作因 ca-bundle 未安裝無法使用。"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:1988
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2283
+#: modules/luci-base/htdocs/luci-static/resources/form.js:1997
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2292
 #: modules/luci-compat/luasrc/view/cbi/tblsection.htm:172
 #: modules/luci-compat/luasrc/view/cbi/tsection.htm:32
 msgid "This section contains no values yet"
@@ -5612,7 +5631,7 @@ msgid "Unable to dispatch"
 msgstr "無法發送"
 
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/dmesg.js:9
-#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:9
+#: modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js:15
 msgid "Unable to load log data:"
 msgstr "無法載入日誌檔："
 
@@ -5673,7 +5692,7 @@ msgstr "未知的"
 msgid "Unknown error (%s)"
 msgstr "未知的錯誤 (%s)"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:406
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:415
 msgid "Unknown error code"
 msgstr "未知的錯誤碼"
 
@@ -5697,7 +5716,7 @@ msgstr "未命名的金鑰"
 msgid "Unsaved Changes"
 msgstr "尚未存檔的修改"
 
-#: modules/luci-base/htdocs/luci-static/resources/rpc.js:404
+#: modules/luci-base/htdocs/luci-static/resources/rpc.js:413
 msgid "Unspecified error"
 msgstr "未知的錯誤"
 
@@ -5764,7 +5783,7 @@ msgstr ""
 msgid "Uptime"
 msgstr "上線時間"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:165
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
 msgid "Use <code>/etc/ethers</code>"
 msgstr "採用 <code>/etc/ethers</code>"
 
@@ -5883,7 +5902,7 @@ msgstr ""
 msgid "Use system certificates for inner-tunnel"
 msgstr ""
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:393
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:405
 msgid ""
 "Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</"
 "em> identifies the host, the <em>IPv4-Address</em> specifies the fixed "
@@ -6108,7 +6127,7 @@ msgstr "無線網路已停用"
 msgid "Wireless network is enabled"
 msgstr "無線網路已啟用"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:263
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:275
 msgid "Write received DNS requests to syslog"
 msgstr "寫入已接收的DNS請求到系統日誌中"
 
@@ -6116,7 +6135,7 @@ msgstr "寫入已接收的DNS請求到系統日誌中"
 msgid "Write system log to file"
 msgstr "將系統日誌寫入檔案"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3361
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3370
 #: protocols/luci-proto-vpnc/htdocs/luci-static/resources/protocol/vpnc.js:109
 msgid "Yes"
 msgstr "是"
@@ -6160,7 +6179,7 @@ msgstr "ZRam 設定"
 msgid "ZRam Size"
 msgstr "ZRam 大小"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:312
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:324
 msgid "any"
 msgstr "任意"
 
@@ -6255,14 +6274,14 @@ msgstr "已停用"
 msgid "driver default"
 msgstr "預設"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:505
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:526
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:517
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:538
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:42
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:69
 msgid "expired"
 msgstr "過期"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:170
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:182
 msgid ""
 "file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</"
 "abbr>-leases will be stored"
@@ -6324,7 +6343,7 @@ msgstr "長度介於 8 到 63 個字"
 msgid "key with either 5 or 13 characters"
 msgstr "鑰匙須為 5 或 13 個字"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:177
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:189
 msgid "local <abbr title=\"Domain Name System\">DNS</abbr> file"
 msgstr "本地<abbr title=\"Domain Name System\">DNS</abbr> 檔案"
 
@@ -6352,7 +6371,7 @@ msgstr "無連線"
 msgid "non-empty value"
 msgstr "非空值"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:2775
+#: modules/luci-base/htdocs/luci-static/resources/form.js:2784
 msgid "none"
 msgstr "無"
 
@@ -6460,15 +6479,15 @@ msgstr "獨特值"
 msgid "unknown"
 msgstr "未知"
 
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:321
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:503
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:524
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:333
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:515
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:536
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:40
 #: modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/40_dhcp.js:67
 msgid "unlimited"
 msgstr "無限"
 
-#: modules/luci-base/htdocs/luci-static/resources/form.js:3121
+#: modules/luci-base/htdocs/luci-static/resources/form.js:3130
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:76
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:137
 #: modules/luci-base/htdocs/luci-static/resources/tools/widgets.js:368
@@ -6490,7 +6509,8 @@ msgid "untagged"
 msgstr "尚未標籤"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:242
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:118
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:121
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:132
 msgid "valid IP address"
 msgstr "無效的 IP 位址"
 
@@ -6503,7 +6523,7 @@ msgid "valid IPv4 CIDR"
 msgstr "有效的 IPv4 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:250
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:120
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:125
 msgid "valid IPv4 address"
 msgstr "有效的 IPv4 位址"
 
@@ -6532,7 +6552,7 @@ msgid "valid IPv6 CIDR"
 msgstr "有效的 IPv6 CIDR"
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:258
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:122
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:129
 msgid "valid IPv6 address"
 msgstr "無效的 IPv6 位址"
 
@@ -6592,9 +6612,9 @@ msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:351
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:353
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:70
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:76
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:104
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:73
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:79
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:107
 msgid "valid hostname"
 msgstr "有效的主機名稱"
 
@@ -6620,7 +6640,7 @@ msgid "valid port or port range (port1-port2)"
 msgstr ""
 
 #: modules/luci-base/htdocs/luci-static/resources/validation.js:320
-#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:124
+#: modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js:136
 msgid "valid port value"
 msgstr "有效的阜值"