RE: Client to Client route via Route Reflector on same Cluster

From: Lars L. Christensen (lars@perseus.dk)
Date: Mon Mar 24 2008 - 08:21:36 ART


Hi all

I haven't done any particular investegation in this subject, but I believe
you can use route-reflector-client in a full mesh if you add "no bgp
client-to-client reflection" in your config.

Example:

Hostname aa.aa.aa.aa
!
Router bgp 1111
 No bgp client-to-client reflection
 Neighbor bb.bb.bb.bb remote-as 1111
 Neighbor bb.bb.bb.bb route-reflector-client
 Neighbor cc.cc.cc.cc remote-as 1111
 Neighbor cc.cc.cc.cc route-reflector-client
!

Hostname bb.bb.bb.bb
!
Router bgp 1111
 Neighbor aa.aa.aa.aa remote-as 1111
 Neighbor cc.cc.cc.cc remote-as 1111
!

Hostname cc.cc.cc.cc
!
Router bgp 1111
 Neighbor aa.aa.aa.aa remote-as 1111
 Neighbor bb.bb.bb.bb remote-as 1111
!

I have no idea why you would do it this way, but it is possible to do a full
mesh config inside a route-reflector cluster...

Regards,
Lars Lystrup Christensen
CCIE #20292

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Gupta, Gopal (NWCC)
Sent: 24. marts 2008 11:55
To: kindy; ccielab@groupstudy.com
Subject: RE: Client to Client route via Route Reflector on same Cluster

Not possible, coz, RR will disregard the route from the same cluster. In
other words, if cleint 1 advertises any of its external route to RR1 , RR2
wont accespt that route being in the same cluster.

HTH
Gops

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
kindy
Sent: Monday, March 24, 2008 15:59
To: ccielab@groupstudy.com
Subject: Client to Client route via Route Reflector on same Cluster
Importance: Low

Hi,

here is my diagram

Client1 --- RR1 --- RR2 --- Client2

is it possible to update route between client 1 and client 2 with RR1 and
RR2 on same cluster Client 1 only peer to RR1 and Client 2 only peer RR2?

Rgds,
Kindy



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