IEEE 802.1x wireless client authentication.

Unanswered Question


I'm using PEAP to authenticate wireless client: machine authentication only.

For W2000 client only, when systems start these are successfully authenticated using the computer account; after some seconds a re-key entry can be founded on ACS report with the same computer account or user account if they're making login.


I have this problem too.
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Jagdeep Gambhir Wed, 10/10/2007 - 07:22


The 'Re-Key OK' message on ACS means that Cisco-Aironet-Session-Timeout has occured. Hence, the session (dynamic) keys need to be re-established.

This message appears because of the dynamic WEP key configured for authentication


To increase this, please go to

'Security' -> 'Encryption Manager' on the AP

Over there under 'Global Properties'

Broadcast Key Rotation Interval:

check Enable Rotation with Interval and enter a value as needed.

Similarly, this value should be same on the ACS RADIUS(IETF) 27 attribute.




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