From: marvin greenlee (marvin@ccbootcamp.com)
Date: Tue Mar 01 2005 - 21:15:32 GMT-3
Often times, examples will show the 'bgp confederation peers' command with
all the SubASes in the confederation listed, but it is not required. You
really only need to have the peers listed that you are peering to directly.
Basically, the command 'bgp confederation peers 3' is telling the router
'when you establish the peering to 3, he is really part of our
confederation'.
Marvin Greenlee, CCIE#12237, CCSI# 30483
Network Learning Inc
marvin@ccbootcamp.com
www.ccbootcamp.com (Cisco Training)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
micsoniu@telus.net
Sent: Tuesday, March 01, 2005 4:02 PM
To: Group Study
Subject: BGP Confederations [bcc][faked-from]
Importance: Low
This might seem like a basic question, but I haven't seen a clear answer
yet:
Let's say that I have three routers R1, R2 and R3, all in AS123, and:
- R1 peers with R2
- R1 peers with R3
R1 is part of confederation AS1
R2 is part of confederation AS2
R3 is part of confederation AS3
Question:
Since R2 does not peer with R3, do I need to specify the following commands:
- "bgp confederation peer 3" on R2
- "bgp confederation peer 2" on R3
or would be enough to mention only "bgp confederation peer 1" on both R2 and
R3 ?
Obviously the two commands mentioned above would be configured on R1.
Thank you
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