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Implements 'allow local as' option.

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Similar to allowas-in option on other routers.
This commit is contained in:
Ondrej Zajicek
2013-10-21 14:58:32 +02:00
parent f8cc7396cf
commit a15dab76f9
7 changed files with 22 additions and 6 deletions
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doc/bird.sgml
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@@ -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