Thursday, June 10, 2021

VXLAN vendor interop? Arista / Cisco NX

Has anyone successfully gotten VXLAN to function cross vendor between Arista and Cisco Nexus 9k?

I have a temporary need to do it, and after configuration i find that the Cisco's learn the macs from the Aristas just fine, but not vice versa.

It seems to be the fact that the arista is using a unicast "vxlan flood vtep x.x.x.x" address which points all of the traffic to the cisco successfully, but there is no analogue i can find on the Cisco side.

In a time crunch and if I can't get this to work, need to engineer out another solution.



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