From: Mohamed Saeed (mohamed_saeed2@rayacorp.com)
Date: Thu Sep 07 2006 - 17:03:45 ART
Hi,
How could I use GRE tunnels to transit non-BGP speaking routers without
redistributing the EBGP routes into the AS IGP?
Assume that the AS consists of three routers; R1, R2 and R3. Each of R1
and R2 has an EBGP session with other AS. R3 has not BGP configured. Is
there a way to use a GRE tunnel between R1 and R2 to have reachability
from R1 to the BGP routes learned from R2 and vice versa without
redistributing the BGP table into the IGP of the AS?
I have configured a GRE tunnel between R1 and R2 and I have established
IBGP peering between them using the tunnel IP address.
Still I could not have full reachability unless I have disabled
synchronization and redistributed the BGP into the AS IGP, and I have
concluded that the tunnel has no added value,
Would someone help with this?
Thanks
Mohamed ..
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