Saturday, November 6, 2021

Those using campus VxLAN, how extensively?

We're coming up on our next campus network refresh, which of course involves having fun with wild speculation over what the network will look like in a 5 to 10 year timeframe, and our biggest question is around EVPN/VxLAN. We've had good luck with it in a simple leaf/spine deployment in our data center, but nothing beyond that. Our two leading vendors, Juniper and Aruba, are both pushing it as the foundation of next gen campus networking, and it absolutely has a lot of benefits, but not without trade offs, like operational complexity (so much BGP...) and licensing costs.

Has anyone out there jumped into the campus VxLAN pool, and if so, how well did it go? Any details you'd be willing to share, such as experience with code quality, ease of troubleshooting, and how extensively throughout your network you extended VxLAN would be greatly appreciated!



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