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authorOndrej Zajicek <santiago@crfreenet.org>2013-10-21 14:58:32 +0200
committerOndrej Zajicek <santiago@crfreenet.org>2013-10-21 14:59:35 +0200
commita15dab76f93337b07b4b03a64ac3bac26285dfd9 (patch)
treeef2593148938733814a8b4b1a6fceb60e5c30886 /doc
parentf8cc7396cf25328b002394bbd7af679188b03370 (diff)
Implements 'allow local as' option.
Similar to allowas-in option on other routers.
Diffstat (limited to 'doc')
-rw-r--r--doc/bird.sgml10
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 2b9ffa02..63890031 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1486,6 +1486,16 @@ 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>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
+ loose or disable the check. Optional <cf/number/ argument can
+ be used to specify the maximum number of local ASNs in the AS
+ path that is allowed for received routes. When the option is
+ used without the argument, the check is completely disabled
+ and you should ensure loop-free behavior by some other means.
+ Default: 0 (no local AS number allowed).
+
<tag>enable route refresh <m/switch/</tag> When BGP speaker
changes its import filter, it has to re-examine all routes
received from its neighbor against the new filter. As these