diff --git a/doc/bird.sgml b/doc/bird.sgml index 3dbb40b..ac6596c 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -3476,6 +3476,16 @@ addresses and choose a default route. BIRD implements router behavior as defined in , router preferences and specific routes (), and DNS extensions (). +Prefixes that are considered for announcing on an interface are collected from +the addresses configured on the interface and from all device routes exported +to the protocol. Interface addresses are always exported as prefixes (unless +a prefix section with Configuration