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authorOndrej Zajicek <santiago@crfreenet.org>2013-12-01 18:20:09 +0100
committerOndrej Zajicek <santiago@crfreenet.org>2013-12-01 18:20:09 +0100
commit10115b1d70552f3ec4446dfec9e62c3a16d9eae0 (patch)
treefc152f1a053257517f04541e774b9a04636d4ad6
parente7d2ac4401be8aaf9629e248cad6a74498a6be24 (diff)
Updates add-path documentation.
-rw-r--r--doc/bird.sgml9
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 269743d5..04417e21 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1682,6 +1682,15 @@ for each neighbor using the following configuration parameters:
This option requires that the connected routing table is
<ref id="dsc-sorted" name="sorted">. Default: off.
+ <tag>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
+ extension, which allows to advertise any number of paths to a
+ destination. Note that to be active, add-path has to be enabled on both
+ sides of the BGP session, but it could be enabled separately for RX and
+ TX direction. When active, all available routes accepted by the export
+ filter are advertised to the neighbor. Default: off.
+
<tag>allow local as [<m/number/]</tag>
BGP prevents routing loops by rejecting received routes with
the local AS number in the AS path. This option allows to