Thursday, May 16, 2019

Dual-Homing an L2 switch to EVPN VTEP's

Afternoon, Everyone -

Looking for some guidance on a detail of an MP-BGP EVPN project that I'm working on.

I have some Layer 2 access switches that will be connecting to the EVPN fabric, and I'm trying to see if there are any considerations that I need to take into account.

Here is a simplified version of a section of the topology -- Red are L3 links, Blue are L2

With the 2960 sending broadcast traffic to three different VTEPs (two at a time - one 9200 and one 9300), how will the EVPN fabric respond?

If it's relevant, I'm planning to use ingress-replication rather than Multicast, if possible.



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