[c-nsp] Separating internal/customer routes into IGP/EGP

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Sat Nov 25 03:15:03 EST 2006


cisco-nsp-bounces at puck.nether.net <> wrote on Saturday, November 25,
2006 12:18 AM:

> On 24/11/06, Pekka Savola <pekkas at netcore.fi> wrote:
>> This would be exactly the problem you'd see if yum had the same
>> cluster-ID for C1/C2 and C3/C4 as C3/C4 would think the received
>> route was looped from the same cluster and reject it.  If you've
>> made sure this isn't the problem..
> 
> .. colour me dumb.
> 
> Now onto the next question in this saga :)
> What I'm actually ending up with is 3 separate RR clusters, but I'd
> rather not have to mesh them so what I'd like to end up with is:
> C1--C2--C3 
> 
> However, while C3 is now correctly sending its routes to C2 who is
> happily receiving them, C2 is not sending C3 learnt routes on to C1..
> 
> Is there a way to make it do so, or do I need to mesh C1 and C3?

Well, you could build hierarchical RR, i.e. C1 and C3 are RR-clients of
C2, but why do you want to do this? It just complicates things. I'd just
fully-mesh the RRs, and you're done.

	oli



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