[j-nsp] Connecting two spanning-tree domains

Eric Van Tol eric at atlantech.net
Tue Aug 27 14:16:21 EDT 2013

> -----Original Message-----
> From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of
> Johan Borch
> Sent: Tuesday, August 27, 2013 4:57 AM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] Connecting two spanning-tree domains
> Hi!
> I need to connect two spanning-tree domains, one is running MSTP and one is
> running rapid-pvst. Is this doable? The two networks have different roots
> and it needs to stay like that but I still need redundant links between
> them. I need to transport VLANs from one network to the other and only one
> side support MPLS.
> Ideas? :)

Is there any chance you could forgo STP and use something like REP, ERPS, Flex Links, or something similar?  All of these would give you the redundancy you need, but enable you to disable STP on those links and use something with a faster failover rate (sub-50ms).


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