anjalik at iwavesystems.com anjalik at iwavesystems.com
Tue Dec 1 23:22:02 PST 2015


  I was using Cisco router Model WRT120N. With this router,the  
disconnect issue happens . I tried with Cisco Router Model E200 , now  
the issue seems to be gone .I am able to ping but have some issue in  
the Android upper layer in updating the status as "CONNECTED". This  
issue is completely out of topic here i guess.

After changing the router the connection and pinging are working fine  
as far as now.

Thanks & Regards,

Quoting Jouni Malinen <j at w1.fi>:

> On Sat, Nov 28, 2015 at 07:27:09AM -0500, anjalik at iwavesystems.com wrote:
>>  I am facing an issue while testing the WPS Push button in Android ,
>> the connection is fine ,but disconnecting suddenly. The sniffer
>> capture says "Unspecified reason" as the cause for deauthentication.
>> Also the sequence number seems to be litte different from the
>> working case
>> Authenticator sends EAPOL key packet with sequence number 0 ,
>> supplicant sends EAPOL Key packet back to authenticator with
>> sequence number 1.(It IS zero in working case).
> I'm not sure what you are referring to with "sequence number" here, but
> anyway, the issue in the log seemed to be strange AP behavior where a
> short EAPOL frame is sent after the successfully completely 4-way
> handshake. That short EAPOL frame is followed by the AP
> deauthenticating the station.
> What is that short EAPOL frame (sniffer capture should show it)? Is it
> EAP-Failure?
> Which AP is used here?
> --
> Jouni Malinen                                            PGP id EFC895FA

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