Tuesday, December 10, 2019

EVPN Route Targets, Route Distinguishers, and VXLAN Network IDs

Got this interesting question from one of my readers:

BGP EVPN message carries both VNI and RT. In importing the route, is it enough either to have VNI ID or RT to import to the respective VRF?. When importing routes in a VRF, which is considered first, RT or the VNI ID?

A bit of terminology first (which you’d be very familiar with if you ever had to study how MPLS/VPN works):

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Thanks to Ivan Pepelnjak (see source)

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