# Interoperability of EVPN/VXLAN with IPv6 Next Hops

DevFeed: [Interoperability of EVPN/VXLAN with IPv6 Next Hops](<https://devfeed.tech/articles/interoperability-of-evpn-vxlan-with-ipv6-next-hops-11360.md>)

Original publisher: [Read original article](<https://blog.ipspace.net/2026/04/frr-evpn-ipv6-pmsi/>)

Published: 2026-04-08T06:19:00Z

Content type: comparison

Language: en

Sources: [ipSpace.net blog](<https://devfeed.tech/sources/ipspace-net-blog.md>)

Topics: [evpn](<https://devfeed.tech/topics/evpn.md>), [VXLAN](<https://devfeed.tech/topics/vxlan.md>), [interoperability](<https://devfeed.tech/topics/interoperability.md>), [BGP](<https://devfeed.tech/topics/bgp.md>), [bug](<https://devfeed.tech/topics/bug.md>), [networking](<https://devfeed.tech/topics/networking.md>)

Tags: [bgp](<https://devfeed.tech/tags/bgp.md>), [bug](<https://devfeed.tech/tags/bug.md>), [evpn](<https://devfeed.tech/tags/evpn.md>), [interoperability](<https://devfeed.tech/tags/interoperability.md>), [ipv6](<https://devfeed.tech/tags/ipv6.md>), [netlab](<https://devfeed.tech/tags/netlab.md>), [networking](<https://devfeed.tech/tags/networking.md>), [vxlan](<https://devfeed.tech/tags/vxlan.md>)

## AI overview

A lab comparison found an EVPN interoperability issue between Arista EOS and FRRouting when using IPv6 VTEP addresses. FRRouting rejected Arista routes with an IPv6 PMSI Tunnel ID; the reported bug was fixed and the fix was tested.

## Source excerpt

FRRouting release 10.6 promised "BGP IPv6 VTEP support," claiming "it enables EVPN deployments using IPv6 tunnel endpoints while maintaining full backward compatibility with IPv4 VTEPs." Of course, I had to try it out, and since we already have EVPN over IPv6 running on Arista EOS (since netlab release 26.01), I decided to set up a simple lab with an Arista cEOS device running release 4.35.2F and the latest FRRouting container. I was not exactly surprised when it did not work. While Arista accepted FRRouting EVPN routes, the FRRouting BGP daemon rejected routes sent by Arista EOS: Read more ...