[c-nsp] IOS-XR BGP RR MCID (Multiple Cluster ID)

[Mark Tinka]

On 12/Mar/18 12:34, adamv0025 at netconsultings.com wrote:

> The only scenario I can think of is if your two RRs say RR1 and RR2 in
> a POP
> serving a set of clients (by definition a cluster btw) -if these two RRs
> have an iBGP session to each other - which is a big NONO when you are using
> out of band RRs, no seriously. 

Why is it a big no-no?

We run iBGP sessions between our RR's within and outside of a cluster.
No issues. It's useful for the RR's to learn, from each other, which
routes they are originating, regardless of which cluster they may belong to.

And yes, these are out-of-path RR's.

Mark.