Re: BGP route-reflector info

From: Ivan Walker <ivan_at_itpro.co.nz>
Date: Sat, 27 Jun 2009 13:47:25 +1200

I would consider r2 and r3 to be fully meshed and route reflection would
be required for r1 and r4. That is r1 is a RR client of r2 and r4 is a
RR client of r3.

Hijacking this thread, quite often I have seen the following

r1-r2-r3 are in the same AS, peering sessions are r1-r2 and r2-r3. r2
will be configured with both r1 and r3 as RR clients. While I don't
believe this breaks anything I my understanding of route reflection
tells me that only one router (r1 *or* r3) needs to be configured as a
RR client. Can anyone confirm and perhaps explain why both R1 and R3
would be required to be RR clients?

Ivan
> From: ismail mohamed <mmismail1979_at_gmail.com>
> Subject: BGP route-reflector info
> To: "Cisco certification" <ccielab_at_groupstudy.com>
> Date: Friday, 26 June, 2009, 3:17 AM
>
> Hi all,
> This is my setup
>
> r1-r2-r3-r4 are connected with same bgp as 100
> peering session is
> r1-r2
> r2-r3
> r3-r4
> i advertise one network in R1
> where i have to enable route-refelc inorder see that R1 subnet in R4 router..
>
> Can u plz update me
>
> Thanks in advance..

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Received on Sat Jun 27 2009 - 13:47:25 ART

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