diff options
author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-03-19 17:44:50 +0100 |
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committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-03-19 17:44:50 +0100 |
commit | 3c3605818fb304f8de6975c56096bfafa43a8b6b (patch) | |
tree | c14d8690e1e722f07987e11a80f8416f61a375b5 /doc/bird.sgml | |
parent | 7e5f769d91319b4130f7d611dd14252806892ace (diff) |
BGP: Mandatory option for channels
Allow to mark channel to be mandatory, and do not allow BGP sessions if
no common AFI/SAFI is established.
Diffstat (limited to 'doc/bird.sgml')
-rw-r--r-- | doc/bird.sgml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index e531da40..8d93f8ac 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -2565,6 +2565,15 @@ be used in explicit configuration. <p>BGP channels have additional config options (together with the common ones): <descrip> + <tag><label id="bgp-mandatory">mandatory <m/switch/</tag> + When local and neighbor sets of configured AFI/SAFI pairs differ, + capability negotiation ensures that a common subset is used. For + mandatory channels their associated AFI/SAFI must be negotiated + (i.e., also announced by the neighbor), otherwise BGP session + negotiation fails with <it/'Required capability missing'/ error. + Regardless, at least one AFI/SAFI must be negotiated in order to BGP + session be successfully established. Default: off. + <tag><label id="bgp-next-hop-keep">next hop keep <m/switch/|ibgp|ebgp</tag> Do not modify the Next Hop attribute and advertise the current one unchanged even in cases where our own local address should be used |