RE: BGP ext community

From: Joseph Brunner (joe@affirmedsystems.com)
Date: Mon May 26 2008 - 16:56:58 ART


If it's so simple, why are you unable to solve it independently even with a
$160 Billion dollar search engine at your fingertips (Google)?? ;)

(Don't mind him he's half German they do that)

The extended communities are used with route target and site of origin, so
they are activated under the vpnv4 afi.

Here you go...

Router bgp 65000
Neighbor 1.1.1.1 remote-as 65000
No auto-summary
No sync

Address-family vpnv4
Neighbor 1.1.1.1 activate
Neighbor 1.1.1.1 send-community extended

Please read this document for further clarification

http://www.google.com/search?hl=en&q=address-family+vpnv4&btnG=Google+Search

"You fight well, in the old style", Master Shredder

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Peter Svidler
Sent: Monday, May 26, 2008 2:44 PM
To: ccielab@groupstudy.com
Subject: BGP ext community

Folks,
  I have simple scenario where I want to set ext community for BGP between
two IBGP peers
   
  one of the peers is advertising directely connected network (LB), I use
the network command under BGP with assigned route-map where it sets the
extcommunity attribule ...both routers have the bgp community new-format and
neighbor send-community both is there
   
  for some reason , when i set the standard community ..i can see it on the
other side ..while when i do the same for ext community ..i cannot see it !
   
  I have two questions here
  first what is the difference between communities and ext communities ??
  second is there anything missing to set the ext community beside the
neigbor send-community both command ?
   
  thanks



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