ARP with Anycast Gateways in EVPN Asymmetric IRB

In previous blog posts, I described the ARP issues in EVPN environments, starting with centralized routing , and then asymmetric IRB with unicast (per-leaf-switch) first-hop gateways . Of course, no self-respecting vendor would tell you to do that; anycast gateways are all the rage these days. As always, anycast gateways could mean different things, depending on which vendor documentation you read…