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List:       zebra
Subject:    [zebra 18041] BGP community matching problem?
From:       Jeremy Ainsworth <jezzer () jezzer ! co ! uk>
Date:       2003-02-24 17:51:39
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Hello list,

A brief question regarding BGP community matching using the "match
community" command within a route-map.

I am trying to announce the contents of a community to an ibgp peer
however, the zebra router in question refuses to announce any routes. The
configuration looks like this:

<snip>

router bgp XXXXX
  neighbor w.x.y.z ....
  neighbor w.x.y.z route-map announce-uk-including-ournets out
  neighbor w.x.y.z ....

<definition of prefix-list ournets here>

ip community-list standard uk-routes permit XXXXX:1100
ip community-list standard uk-routes permit XXXXX:1200
ip community-list standard uk-routes permit XXXXX:1300
!
route-map announce-uk-including-ournets permit 10
 match ip address prefix-list ournets
!
route-map announce-uk-including-ournets permit 20
 match community uk-routes
!
route-map announce-uk-including-ournets deny 30
!

<snip>

The community list uk-routes contains around 30,000 prefixes. When issuing
the command "sh ip bg community-list uk-routes" I can view all of the
routes within this list, so it's definately valid.

Why isn't zebra announcing anything to the peer w.x.y.z ?

Thanks,

Jeremy
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