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-rw-r--r--doc/bird.sgml97
-rw-r--r--doc/reply_codes1
2 files changed, 70 insertions, 28 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 47848f82..badfe649 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -505,6 +505,11 @@ include "tablename.conf";;
See <ref id="channel-debug" name="debug"> in the channel section.
Default: off.
+ <tag><label id="opt-debug-tables">debug tables all|off|{ states|routes|filters|events [, <m/.../] }</tag>
+ Set global defaults of table debugging options.
+ See <ref id="rtable-debug" name="debug"> in the table section.
+ Default: off.
+
<tag><label id="opt-debug-commands">debug commands <m/number/</tag>
Control logging of client connections (0 for no logging, 1 for logging
of connects and disconnects, 2 and higher for logging of all client
@@ -527,6 +532,12 @@ include "tablename.conf";;
killed by abort signal. The timeout has effective granularity of
seconds, zero means disabled. Default: disabled (0).
+ <tag><label id="opt-threads">threads <m/number/</tag>
+ Set how many worker threads should BIRD spawn. Tests show that every
+ thread can utilize one complete CPU core, therefore you probably want to
+ keep at least one free core. The maximum feasible thread count heavily
+ depends on the actual workload and must be determined by testing or estimation. Default: 1
+
<tag><label id="opt-mrtdump">mrtdump "<m/filename/"</tag>
Set MRTdump file name. This option must be specified to allow MRTdump
feature. Default: no dump file.
@@ -670,21 +681,6 @@ to set options.
disadvantage is that trie-enabled routing tables require more memory,
which may be an issue especially in multi-table setups. Default: off.
- <tag><label id="rtable-min-settle-time">min settle time <m/time/</tag>
- Specify a minimum value of the settle time. When a ROA table changes,
- automatic <ref id="proto-rpki-reload" name="RPKI reload"> may be
- triggered, after a short settle time. Minimum settle time is a delay
- from the last ROA table change to wait for more updates. Default: 1 s.
-
-
- <tag><label id="rtable-max-settle-time">max settle time <m/time/</tag>
- Specify a maximum value of the settle time. When a ROA table changes,
- automatic <ref id="proto-rpki-reload" name="RPKI reload"> may be
- triggered, after a short settle time. Maximum settle time is an upper
- limit to the settle time from the initial ROA table change even if
- there are consecutive updates gradually renewing the settle time.
- Default: 20 s.
-
<tag><label id="rtable-gc-threshold">gc threshold <m/number/</tag>
Specify a minimum amount of removed networks that triggers a garbage
collection (GC) cycle. Default: 1000.
@@ -699,6 +695,40 @@ to set options.
periods. Default: adaptive, based on number of routing tables in the
configuration. From 10 s (with <= 25 routing tables) up to 600 s (with
>= 1500 routing tables).
+
+ <tag><label id="rtable-cork-threshold">cork threshold <m/number/ <m/number/</tag>
+ Too many pending exports may lead to memory bloating. In such cases,
+ BIRD tries to relieve the memory pressure by pausing some routines until
+ the queue sizes get low enough. This option allows the user to set the
+ thresholds; first value is the low threshold (when to resume), the
+ second one is the high threshold (when to pause). The higher is the
+ threshold, the more memory can get used. In most cases, the defaults
+ should work for you. Default: 1024 8192.
+
+ <tag><label id="rtable-export-settle-time">export settle time <m/time/ <m/time/</tag>
+ Minimum and maximum settle times, respectively, for export announcements.
+ When multiple routes are changing, this mechanism waits for the changes
+ to settle before waking up sleeping export threads but if the changes are coming
+ steadily, BIRD isn't waiting forever; at most the maximum time.
+ Default values: <cf/1 ms 100 ms/. You have to always provide both values.
+
+ <tag><label id="rtable-route-refresh-export-settle-time">route refresh export settle time <m/time/ <m/time/</tag>
+ Minimum and maximum settle times, respectively, for export announcements
+ (the same as above), valid when any channel is currently doing a route refresh.
+ This serves a purpose of even more aggresive change bundling, knowing that there
+ is some active process generating changes in a fast pace. If you don't want
+ this feature, set this to the same values as <ref id="rtable-export-settle-time" name="export settle time">.
+ Default values: <cf/100 ms 3 s/.
+
+ <tag><label id="rtable-debug">debug all|off|{ states|routes|events [, <m/.../] }</tag>
+ Set table debugging options. Each table can write some trace messages
+ into log with category <cf/trace/. You can request <cf/all/ trace messages
+ or select some types: <cf/states/ for table state changes and auxiliary
+ processes, <cf/routes/ for auxiliary route notifications (next hop update,
+ flowspec revalidation) and <cf/events/ for more detailed auxiliary routine
+ debug. See also <ref id="channel-debug" name="channel debugging option">.
+ Default: off.
+
</descrip>
@@ -929,10 +959,12 @@ inherited from templates can be updated by new definitions.
<cf/none/ is for dropping all routes. Default: <cf/all/ (except for
EBGP).
- <tag><label id="proto-export">export <m/filter/</tag>
+ <tag><label id="proto-export">export [ in <m/prefix/ ] <m/filter/</tag>
This is similar to the <cf>import</cf> keyword, except that it works in
- the direction from the routing table to the protocol. Default: <cf/none/
- (except for EBGP).
+ the direction from the routing table to the protocol. If <cf/in/ keyword is used,
+ only routes inside the given prefix are exported. Other routes are completely
+ ignored (e.g. no logging and no statistics).
+ Default: <cf/none/ (except for EBGP).
<tag><label id="proto-import-keep-filtered">import keep filtered <m/switch/</tag>
Usually, if an import filter rejects a route, the route is forgotten.
@@ -954,6 +986,16 @@ inherited from templates can be updated by new definitions.
<ref id="bgp-export-table" name="export table"> (for respective
direction). Default: on.
+ <tag><label id="rtable-min-settle-time">roa settle time <m/time/ <m/time/</tag>
+ Minimum and maximum settle times, respectively, for ROA table changes.
+ The automatic reload is triggered after the minimum time after the last
+ ROA table change has been received but not later than the maximum time after
+ first unprocessed ROA table change. Therefore with default values, the
+ automatic reload happens 1 second after the ROA table stops updating, yet if it
+ were to be later than 20 seconds after the ROA table starts updating,
+ the automatic reload is triggered anyway. Default values: <cf/1 s 20 s/.
+ You have to always provide both values.
+
<tag><label id="proto-import-limit">import limit [<m/number/ | off ] [action warn | block | restart | disable]</tag>
Specify an import route limit (a maximum number of routes imported from
the protocol) and optionally the action to be taken when the limit is
@@ -1765,17 +1807,8 @@ Common route attributes are:
primary key of the routing table. Read-only. (See the <ref id="routes"
name="chapter about routes">.)
- <tag><label id="rta-scope"><m/enum/ scope</tag>
- The scope of the route. Possible values: <cf/SCOPE_HOST/ for routes
- local to this host, <cf/SCOPE_LINK/ for those specific for a physical
- link, <cf/SCOPE_SITE/ and <cf/SCOPE_ORGANIZATION/ for private routes and
- <cf/SCOPE_UNIVERSE/ for globally visible routes. This attribute is not
- interpreted by BIRD and can be used to mark routes in filters. The
- default value for new routes is <cf/SCOPE_UNIVERSE/.
-
<tag><label id="rta-preference"><m/int/ preference</tag>
- Preference of the route. Valid values are 0-65535. (See the chapter
- about routing tables.)
+ Preference of the route.
<tag><label id="rta-from"><m/ip/ from</tag>
The router which the route has originated from.
@@ -4303,6 +4336,14 @@ include standard channel config options; see the example below.
<tag><label id="pipe-peer-table">peer table <m/table/</tag>
Defines secondary routing table to connect to. The primary one is
selected by the <cf/table/ keyword.
+
+ <tag><label id="pipe-max-generation">max generation <m/expr/</tag>
+ Sets maximal generation of route that may pass through this pipe.
+ The generation value is increased by one by each pipe on its path.
+ Not meeting this requirement causes an error message complaining about
+ an overpiped route. If you have long chains of pipes, you probably want
+ to raise this value; anyway the default of 16 should be enough for even
+ most strange uses. Maximum is 254.
</descrip>
<sect1>Attributes
diff --git a/doc/reply_codes b/doc/reply_codes
index 02f4e656..bcbbbb03 100644
--- a/doc/reply_codes
+++ b/doc/reply_codes
@@ -61,6 +61,7 @@ Reply codes of BIRD command-line interface
1023 Show Babel interfaces
1024 Show Babel neighbors
1025 Show Babel entries
+1026 Show threads
8000 Reply too long
8001 Route not found