Re: Native VLAN mismatch discovered on FastEthernet1/10 (20)
If I interpret the logging messages correctly then it seems you have a loop in your network: there is a loop between your interfaces Fa1/10 and Fa1/7. They are both in different VLANs but they both exchange CDP packets that somehow leak from one port to another. Each CDP packet carries the number of the native or the access VLAN the port is in.
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...