VXLAN-EVPN Symmetric IRB Support with Connected host
Overview
EVPN-IRB facilitates communication between two L2VNI’s with the help of Routing using IP-VRF. This features provides the Host (/32 or /128) based Symmetric IRB support which forwards the inter-subnet traffic directly towards the Host attached VTEP.
To achieve this Connected Host, we should configure "evpn irb-advertise-host-route" under VNID (BGP type 2) configurations or "redistribute connected-host-routes" under BGP (BGP type 5).
Note: On VXLAN-EVPN Interface less mode only "redistribute connected-host-routes” command is supported and in interface full both the commands are supported.
Note: It is recommended to have route map in esi configured MH nodes to block the Host from peer MH. Not required in non esi MH VTEP
Last modified date: 08/29/2023