Thursday, May 16, 2019

Cisco ISE 802.1x VOIP not clearing sessions

I am running into an issue with that I have some Mitel and Cisco voip phones on the network authenticating with certificates and the devices behind them also authenticate. When a device is unplugged from the phone the access session and mac address are still present on the switch. We are using Cisco switches but per regulations, we are not allowed to run CDP. I am doing some testing with subscriber aging timers. I was hoping to see if someone else was having the same issue and what resolution they came up with. Thanks



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