topic Re: CISCO WLC MIC error in Wireless

CISCO WLC MIC error

prasad.gsmc — Sun, 04 Jul 2021 00:42:39 GMT

Dear All,

I have the below error message in my WLC and all uesrs are not able to access the network for 2 minutes

19620 LWAPP-3-MIC_COUNTER: Received MIC countermeasure, WLAN 1, slot 1

Any idea why such error and conuntermeasure taken by WLC

George Stefanick — Fri, 12 Jun 2009 11:40:48 GMT

This is the cisco response to your error. Did you error give a AP?

Error MessageÂ Â Â %LWAPP-3-MIC_COUNTER: Received MIC countermeasure, WLAN [dec], slot [dec] AP [chars] client [hex]:[hex]:[hex]:[hex]:[hex]:[hex]

ExplanationÂ Â Â MIC errors have occurred on the specified AP. Clients may not be able to connect on the specified WLAN.

Recommended ActionÂ Â Â Check for attacks in the network.

What security policy are you using? Also try blowing away the WLAN profile and recreating it ...

prasad.gsmc — Sun, 14 Jun 2009 01:45:27 GMT

Hi,

The cisco response just generalize by stating " check for attacks". Can we drill down further ?

Do i Need to recreate the profiles ?