Good morning, I have a strange issue with some PCs, which have worked fine on MAB enabled switches for a while(+ 1 year), then suddenly drop off the network. The only way to get them back online is to remove the ACL which is applied on the switchport...

Quick question.   Should I be able to see the counters increment on a RSPAN monitoring port, see the example below, I have two destination ports going into ISE.  I have been having trouble with DHCP profiling.   I checked that all connections were up...