IS-IS and IPv6 LLA next-hop - just Arista, or everyone?

Mark Tinka mark at
Wed May 5 08:49:39 UTC 2021

On 5/4/21 21:07, Adam Thompson wrote:

> “%VXLAN-4-IPV6_UNDERLAY_UNSUPPORTED: VXLAN encapsulation using IPv6 
> VTEP addresses is not supported on this platform”
> Guess it’s going to be a non-issue for me, at this time, since VxLAN 
> was the main reason for this entire setup…
> Thanks for all the responses!

Doesn't speak to VXLAN (and is MPLS), but the problem is the same.

IPv6-only networks that want to tunnel services will continue to 
struggle, as parity from a vendor standpoint is sorely lacking.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the NANOG mailing list