In a shop with two major data centers, one centered on a multi-VRF VXLAN EVPN fabric built in Nexus 9Ks, DC-A), the other currently using 7Ks to host SVIs for VLANs trumped down to 5Ks and 9Ks (DC-B). We’re gearing up to build a new VXLAN EVPN fabric on Arista gear in DC-B but it got me thinking: once we’ve migrated enough VLANs into the fabric to completely empty a 9K pair why not repurpose them as leaf pairs in the Arista-based fabric? Are there any gotchas (beyond configuration syntax being different for some of the same concepts) to be on the lookout for when attempting this?
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