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The user receieves the Bad request from NAS, failure code invalid message authenticator in EAP request error message

Resolution

As a workaround for this issue, perform these steps:

  1. Make sure that the Network Access Server (NAS) is configured properly.

       
  2. Ensure that the shared secret is the same on both the Cisco Access Point (AP) and on the server.

       
  3. If the AP is configured for a local RADIUS server, the local LEAP authentication port must be 1812.

    Note: For accounting, the port must be 1813.

    Also, a WEP key must be in Native mode as part of the local LEAP configuration.

       

For more information, refer to the Troubleshooting Procedure section of LEAP Authentication with Local RADIUS Server.

Problem Type

Client / Device cannot authenticate

Error message

Products

Access point

Security Options

EAP

LEAP / RADIUS

ACS

IOS Errors, Warnings, Statistics and Log Messages

Bad request from NAS, failure code invalid message authenticator in EAP request

Version history
Revision #:
1 of 1
Last update:
‎06-22-2009 04:37 PM
Updated by: