EAP-TLS problem

Discussion in 'Wireless Networking' started by rug, Aug 14, 2006.

  1. rug

    rug

    Joined:
    Aug 14, 2006
    Messages:
    1
    Hello,

    We are setting up out wireless network (cisco based on wireless lan controllers and thin APs).

    We are running WPA/WPA2 and authenticates the users with machine certificates. All this seems to work fine, except that every 5-10 minutes the XP hosts tries to reauthenticate (although they are still authorized and connected). The RADIUS server has a problem with this since the client is already connected and thus fails the request. The XP host then retries 3 times, failing each time. The Wireless Lan Controller does not like this and disconnects the user after 3 failed attempts.

    I have read through the EAP-TLS RFC and I can't find anything about having to re-authenticate after a period of time. Is this a windows added feature? Or is it that it reauthenticates each time WPA/WPA2 switches decryption keys?

    We can solve this by allowing more connections from the same users in the RADIUS, although this is not really a desired solution since more than one computer could use the same cert then.

    /Carl
     
    rug, Aug 14, 2006
    #1
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