I have actually removed IS-IS under interfaces from both sides and reconfigured again. teh cisco recomemndation is that if all looks as it should but adjacency is not established....contact TAC, I tried a reload.
it will be interesting to see if this issue will come up again.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...