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vWLC + ISE 1.2 = Randomly won't authenticate users until reboot?

Hello all!

I have an issue where authentications (dot1x) from the vWLC to ISE 1.2 will start to fail after a certain amount of up time. The certain amount I'm not sure about, because it just started to happen. ISE will either complain about the client having an issue with TLS or ISE will show a successful authentication.

The vWLC shows the client associated, but never authenticates the client (in the case of ISE showing successful authentication).

vWLC on version

ISE on version

Anyone else having or had this issue? I have a TAC case open, but they want me to do a webex with them when the issue is happening, and it's hard to leave it broken while users are complaining.




are you sure, the number of

are you sure, the number of clients associating to you network is less than the maximum clients supported by this vWLC? can you post the details of Failed authentications of clients from Live authentications ( go to ISE > operations > Authentications > details)