ARP replies in a VxLAN plus routing Data Center Inter-connect deployment

Overview VxLAN and routing with DCI inter-connect can cause ARP issues with VLAN segment extensions between datacenters. The goal of this article is to outline the issue relating to ARP replies with VxLAN routing and VARP. We will show the use of a workaround today (recommended) and how the new ARP-Reply feature will resolve the problem.  This feature will be introduced in later version of EOS. The date will be announced in the future. Issue: VxLAN with the directing routing model for DCI will requires a unique VARP MAC address per DC. This is needed when  when there are two...
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