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Cisco Bug: CSCvv58252 - WLC 9800 Ignores Disconnect Request from RADIUS Server

Last Modified

Oct 08, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

17.2.1

Description (partial)

Symptom:
Client gets connected to WLAN configured for CWA flow, completes the registration process and FortiNAC sends Disconnect Request, WLC received Disconnect request but does not process it. Client is not deauthenticated from WLC.

The Disconnect Request on Port 1700 can be seen received on the WLC side, embedded packet capture.

Neither Disconnect-ACK nor Disconnect-NAK is seen going back from the WLC.

From RA traces there are no messages related to CoA being processed for the client to be deauthenticated.

Conditions:
WLAN set for CWA flow.
RADIUS server FortiNAC sending Disconnect-Request to get the client deauthenticated
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