On Thursday 24 September 2009 03:15:49 pm Ольга Ружанская wrote:
> Thank You for book, > but approach proposed in it is for redundancy inside 1 > AS, not between 2 AS. I've seen it on cisco.com before.. Funny you should mention this - I was just talking to our account team about options for EoMPLS NNI's from an inter-op point of view. Basically, L2VPN Pseudowire Switching and Back-to-Back VLAN's are a single point of failure. You may add redundancy by replicating NNI sessions, but this may not be scalable from a management perspective. You may also consider the options provided by Phil re: Option C. I can't say we've looked at that yet. But yes, if Cisco supported Option B BGP-style, that would have been possible. But they do not. Cheers, Mark.
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