authentication failure. what means EAP "packets were not identical"?

Tilman Schoop Tilman.Schoop at dsa-ac.de
Mon Jun 6 05:00:04 EDT 2005


Hi Jouni,

in order to be sure if my assumptions are correct I send the full log.
Perhaps you (or somebody else) can point me a little closer to the
reason of the failure.

Thanks
Tilman


Jouni Malinen schrieb:
> On Fri, Jun 03, 2005 at 08:46:07PM +0200, Tilman Schoop wrote:
> 
> 
>>I have the problem that a client (wpa_supplicant 0.3.8, ndiswrapper)
>>does not authenticate with an Cisco AP (secured with LEAP+TKIP).
>>It tries ever and ever again with no result.
> 
> 
> Please send full wpa_supplicant debug log if you want me to take a
> closer look at this.
> 
> 
>>I tried to analyse the wpa_supplicant's logs and have found the
>>following sequence after the username/password for LEAP are sent and
>>the answer is expected:
>>
>>EAP: EAP entering state RECEIVED
>>EAP: Received EAP-Failure
> 
> 
> Authentication server denied authentication for some reason. This debug
> log excerpt does not include enough information to say why that
> happened.
> 
> 
>>EAP: AS used the same Id again, but EAP packets were not identical
>>EAP: workaround - assume this is not a duplicate packet
> 
> 
> These are from a EAP workaround that some authentication servers
> require. In this case, this can safely be ignored.
> 
> 
>>EAP: EAP entering state FAILURE
>>EAPOL: SUPP_PAE entering state HELD
> 
> 
> This is from processing of the failed EAP authenticationa.
> 
> 
>>or is this just a warning that can be ignored and the real cause is a
>>negative authentication response?
> 
> 
> Yes.
> 
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