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Cell Relay Retreat>MPLS-OPS Archive>month:2001-Nov> msg00167



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Re: MPBGP with RR Question

  • From: Robert Raszuk <raszuk@cisco.com>
  • Date: Thu, 29 Nov 2001 11:39:09 +0100
  • CC: MPLS@phoenix2.maa.sify.net, MPLSRC <mpls-ops@mplsrc.com>
  • Organization: Signature: http://www.employees.org/~raszuk/sig/
  • Resent-Date: Thu, 29 Nov 2001 07:31:37 -0500
  • To: krishnak@sify.com

Hey KK,

(Looks like you are into MPLS big time these days ;).

> Since I have more PE routers in each area, I would like to use RR functionality so that I need not have a mesh of PE-PE peerings across areas and the whole network. This will avoid a long list of configuration commands.

Very good idea ! I usually recommend using RRs when the number of PEs to
be ibgp meshed exceeds 5. 

Pls send me your bgp configs 2 PEs & RR and I will help you.

Rgs,
R.

> krishnak@sify.com wrote:
> 
> Hi,
> 
> My question is regarding usage of RR for MPLS VPN routing propogation/distribution. Enviromnet is completely Cisco. (simulating on 36xx routers)
> 
> Since I have more PE routers in each area, I would like to use RR functionality so that I need not have a mesh of PE-PE peerings across areas and the whole network. This will avoid a long list of configuration commands.
> 
> I tried configurign RR on P routers and established RR clients with all PEs. All P routers will have a mesh connectivity and similar setup will be there in other areas too (P being RR and PE being RR Clinet).
> 
> Now the problem I face is, that after BGP session establishes, I don't see any VRF routes crossing P-P and being available on PE of other area. I configured vpnv4 address faimily on PE routers and P routers as well.
> 
> Can somebody please point me to right configuration pages, or useful hints..or what ever that can help me in achieving this?...
> 
> Thanks in Advance,
> 
> Regards,
> KK
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