diff --git a/doc/bird.sgml b/doc/bird.sgml index c66e8c72..7cbb4de6 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -1977,13 +1977,16 @@ using the following configuration parameters: immediately shut down. Note that this option cannot be used with multihop BGP. Default: disabled. - + BGP could use BFD protocol as an advisory mechanism for neighbor liveness and failure detection. If enabled, BIRD setups a BFD session for the BGP neighbor and tracks its liveness by it. This has an advantage of an order of magnitude lower detection times in case of - failure. Note that BFD protocol also has to be configured, see - section for details. Default: disabled. + failure. When a neighbor failure is detected, the BGP session is + restarted. Optionally, it can be configured (by + section for details. Default: disabled.