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| -rw-r--r-- | doc/bird.sgml | 5 |
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diff --git a/doc/bird.sgml b/doc/bird.sgml index f991bad0..07e75588 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -1378,6 +1378,11 @@ RFC 5882<htmlurl url="ftp://ftp.rfc-editor.org/in-notes/rfc5882.txt">. development, expect some rough edges and possible UI and configuration changes in the future. Also note that we currently support at most one protocol instance. +<p>BFD packets are sent with a dynamic source port number. Linux systems use by +default a bit different dynamic port range than the IANA approved one +(49152-65535). If you experience problems with compatibility, please adjust +<cf>/proc/sys/net/ipv4/ip_local_port_range</cf> + <sect1>Configuration <p>BFD configuration consists mainly of multiple definitions of interfaces. |