hello,
if you have on one interface of the port channel a unidirectionnal link problem (the interface will appear up on both sides, but BPDUs messages will be received only one side of this interface), it might cause such issue.
Enable udld on both ...
Hello Jan,
aaa authorization network can be used to allow users access to the network if dot1x authentication have been configured on the cisco switch.
In the case that you use aaa authorization network default group SRV-ISE : this command can be us...