diff options
| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-13 18:22:07 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-14 06:02:33 +0200 |
| commit | b7d7599ce3576f28310af18b403fed49a0840b67 (patch) | |
| tree | 7d7dc8f052d564c3fdbc49eea529f22850ab44ff /doc/bird.sgml | |
| parent | dfe63ed84d42178a53b01071c64f23250e74d6d9 (diff) | |
BGP: implement Adj-RIB-Out
The patch implements optional internal export table to a channel and
hooks it to BGP so it can be used as Adj-RIB-Out. When enabled, all
exported (post-filtered) routes are stored there. An export table can be
examined using e.g. 'show route export table bgp1.ipv4'.
Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 16d03028..d1b90a1d 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -2705,6 +2705,16 @@ be used in explicit configuration. be examined later by <cf/show route/, and can be used to reconfigure import filters without full route refresh. Default: off. + <tag><label id="bgp-export-table">export table <m/switch/</tag> + A BGP export table contains all routes sent to given BGP neighbor, after + application of export filters. It is also called <em/Adj-RIB-Out/ in BGP + terminology. BIRD BGP by default operates without export tables, in + which case routes from master table are just processed by export filters + and then announced by BGP. Enabling <cf/export table/ allows to store + routes after export filter processing, so they can be examined later by + <cf/show route/, and can be used to eliminate unnecessary updates or + withdraws. Default: off. + <tag><label id="bgp-secondary">secondary <m/switch/</tag> Usually, if an export filter rejects a selected route, no other route is propagated for that network. This option allows to try the next route in |