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authorMaria Matejka <mq@ucw.cz>2023-09-27 12:51:55 +0200
committerMaria Matejka <mq@ucw.cz>2023-09-27 20:18:46 +0200
commit8ad9c4bb339172d445d1346876b2c9f3c27199c1 (patch)
tree680654b1b25895b89ec685496bebeb44cbe2f703 /doc
parenta4adb09f5a5c3806488fb121eafc0e6c969135e7 (diff)
BGP config: Splitting Route Refresh and Enhanced Route Refresh
Both toggles are on by default but if some implementation needs one or another to be switched off separately, then it's possible now.
Diffstat (limited to 'doc')
-rw-r--r--doc/bird.sgml19
1 files changed, 13 insertions, 6 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 449a69de..09da89df 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -2799,13 +2799,20 @@ using the following configuration parameters:
changes its import filter, or if there is suspicion of inconsistency) it
is necessary to do a new complete route exchange. BGP protocol extension
Route Refresh (<rfc id="2918">) allows BGP speaker to request
- re-advertisement of all routes from its neighbor. BGP protocol
- extension Enhanced Route Refresh (<rfc id="7313">) specifies explicit
- begin and end for such exchanges, therefore the receiver can remove
- stale routes that were not advertised during the exchange. This option
- specifies whether BIRD advertises these capabilities and supports
+ re-advertisement of all routes from its neighbor. This option
+ specifies whether BIRD advertises this capability and supports
related procedures. Note that even when disabled, BIRD can send route
- refresh requests. Default: on.
+ refresh requests. Disabling Route Refresh also disables Enhanced Route Refresh.
+ Default: on.
+
+ <tag><label id="bgp-enable-enhanced-route-refresh">enable enhanced route refresh <m/switch/</tag>
+ BGP protocol extension Enhanced Route Refresh (<rfc id="7313">) specifies explicit
+ begin and end for Route Refresh (see previous option),
+ therefore the receiver can remove
+ stale routes that were not advertised during the exchange. This option
+ specifies whether BIRD advertises this capability and supports
+ related procedures.
+ Default: on.
<tag><label id="bgp-graceful-restart">graceful restart <m/switch/|aware</tag>
When a BGP speaker restarts or crashes, neighbors will discard all