Hi, Any thoughts on this? In case of GW-based Proxy ARP/ND Solution inform the PEs about mobility across DCs when the GW is not expected to sent out RT-2?
Regards, Vinayak From: Joshi, Vinayak Sent: Tuesday, September 9, 2025 6:11 PM To: 'BESS' <[email protected]> Subject: GW-based Proxy ARP/ND Solution with EVPN UMR & Inter-DC Mobility Hi all, Is it correct to say that GW-based Proxy ARP/ND Solution (https://www.ietf.org/archive/id/draft-sajassi-bess-evpn-umr-mobility-03.html#name-gw-based-proxy-arp-nd-solut) should not be deployed when inter-DC mobility of end hosts is possible? This is because even if the GW maintains mobility sequence number per network (local/interconnects) it does not advertise MAC/IP routes into the local DC (DC 1 in the draft) in this solution. Hence, it doesn’t help PEs in DC1 to recognize MAC move to DC2. Regards, Vinayak
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