On 5/Apr/20 21:24, Randy Bush wrote: > ok, if IS-IS is kinda working on FRR, at least enough to get loopbacks > and external interfaces around a pop, i gotta ask. Not for me. I can't get it to even start, i.e., no link adjacencies due to an inability to agree on MTU. So if anyone has IS-IS on FRR running at all, please reach out. Mark.