[c-nsp] EVCs/BDIs/SVIs

Chuck Church chuckchurch at gmail.com
Tue Sep 16 08:21:59 EDT 2014

Last I checked, the BDI will only support MST for a spanning tree protocol.
That was a show-stopper for us, weren't prepared for a migration everywhere
to that.  There are also more limitations for BDIs - 


-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
James Bensley
Sent: Tuesday, September 16, 2014 4:30 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] EVCs/BDIs/SVIs

What is the different between a BDI on ASRs and an SVI?

Looking around the Internet they seem to be SVIs that you can bridge a
service instance to except they are called Bridge Domain Interface instead
of Switch Virtual Interface (I guess becaus these are routers not

Any other difference apart from the name? Are they essentialy SVIs?

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