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Re: Juniper <-> Cisco IPv6 BGP peering
From: Owen DeLong <owen () delong com>
Date: Wed, 7 Dec 2011 15:10:33 -0800

On Dec 7, 2011, at 2:27 PM, Vlad Galu wrote:

Randy Carpenter wrote:
Does anyone have any suggestions on setting up BGP peering between Juniper (SRX) and Cisco?

I successfully have cisco-cisco and juniper-juniper without problems.

When I am trying to peer to one of my upstreams (who has cisco) with my Juniper SRX, They are seeing the link-local 
address as the next-hop, but are unable to get an ND entry for it, and thus cannot forward traffic to me.

Any reasons against exchanging v6 prefixes over a v4 session?

Multiple single points of failure.
Complexity of the configuration
More difficult to troubleshoot
Unnecessary cross-protocol dependencies.

Just to name the ones that come to mind instantly.

Any reason for it?


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