The MPLS-OPS Archive

[krishnak@sify.com]

Thanks for all your suggestion.

I am able to use RR mesh in the core and RRCs at the edges (within the area). With peer group configuration, lot of config pain was avoided.

Thanks,
KK

 Scott Aitken <scotta@whoever.com>:

> To complete the picture...
> All clusters with more than 1 RR need a cluster-id
> If you use peer groups, all RR clients in a cluster must be fully
> meshed.
> All non-clients must be fully meshed (including RRs)
> 
> Scott
> 
> -----Original Message-----
> From: Marcelo Blanes [mailto:mblanes@larc.usp.br]
> Sent: Friday, 30 November 2001 12:40 AM
> To: krishnak@sify.com
> Cc: MPLS@phoenix2.maa.sify.net; MPLSRC
> Subject: Re: MPBGP with RR Question
> 
> 
> In a RR design you will need:
> 
> In a cluster:
> Each PE needs to have a iBGP VPNv4 session to the RRs. If you have 2
> session you can use peer-group.
> The RRs must have a normal iBGP VPNv4 session with each other.
> The RR must have a bgp cluster id to avoid loops.
> 
> If more than a cluster is used:
> The RR must have a iBGP session to others RR.
> 
> The internet routing architectures book from cisco press is a great
> reference for BGP designs.
> 
> Marcelo.
> 
> 
> On Wed, 28 Nov 2001 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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