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| -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 78569d28..fde47e65 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -2562,6 +2562,15 @@ be used in explicit configuration. explicitly (to conserve memory). This option requires that the connected routing table is <ref id="dsc-table-sorted" name="sorted">. Default: off. + <tag><label id="bgp-extended-next-hop">extended next hop <m/switch/</tag> + BGP expects that announced next hops have the same address family as + associated network prefixes. This option provides an extension to use + IPv4 next hops with IPv6 prefixes and vice versa. For IPv4 / VPNv4 + channels, the behavior is controlled by the Extended Next Hop Encoding + capability, as described in <rfc id="5549">. For IPv6 / VPNv6 channels, + just IPv4-mapped IPv6 addresses are used, as described in + <rfc id="4798"> and <rfc id="4659">. Default: off. + <tag><label id="bgp-add-paths">add paths <m/switch/|rx|tx</tag> Standard BGP can propagate only one path (route) per destination network (usually the selected one). This option controls the add-path protocol |