static mac address is stuck on a port
Posted on 2014-03-10
I have some Cisco 2975 as access switch running on the floors. Before implementing 802.1x, we were able to move PC from one office to another without doing anything else.
After we implemented 802.1x, the mac address of PC tended to get stuck on a port. The new port that the PC is connected to does not learn the mac address of the PC. This issue might not have anything to do with 802.1x, but this all started after we implemented 802.1x so I am blaming it.
I tried to remove the static mac address of the PC from the old port by using the no mac-address table static without any success.
I was running 12.2 (46) before. opened up an ticket with Cisco, they said it might be a bug with the version and suggested to upgrade the switch to 12.2 (55). After the upgrade, I enabled authentication mac-move. but it doesn't do anything and the issue persisted.
For now, the only solution is to switching the cable every time a PC is moving from one office to another.
Do you guys have the same issue and any solutions to it?