From: Josef A (josefnet@gmail.com)
Date: Sun Oct 22 2006 - 13:26:23 ART
Mohammed,
Yes, You do need to configure the "bgp confederation identifier" command on
all bgp routers in the confederation. It is only the "bgp confederation
peers" command you need to configure only on those confed routers that peer
with routers in other confederations.
HTH
Josef.
On 10/22/06, Mohamed T. Kondela <mtaib@sagia.gov.sa> wrote:
>
> Hi group
>
> While configuring BGP confederation, Is it necessary to type 'bgp
> confederation id xx' on all routers forming the confederation..?
>
> In my home lab, I was forced to use this command on all routers,
> otherwise it was returning an error message "%BGP-6-ASPATH: Invalid AS
> path" on neighboring confed member routers (2621XM ios 12.3) and transit
> routes were not received by them, But locally generated routes were
> exchanged between directly peered routers.
>
> Once I use the command 'confed id ' in all routers everything was fine
> and transit routes were exchanged between AS border routers and confed
> members. Now, some documentation + cisco press says that you only need
> to use the 'confed id' command in AS border routers only, I believe NMC
> tech library also taught me the same thing.
>
> But in reality it is different. Brian MC was demonstrating this in CoD
> and he did it on all confed routers. Now, is it really a IOS issue..?
>
> Regards
> Mohamed T. Kondela
> Senior Network Engineer
> IT Dept.
> Fax: 4473037 x 303
> mtaib@sagia.gov.sa
> Saudi Arabian General Investment Authority
>
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