Does anybody can explain the meaning of reason code 7?

Jouni Malinen j
Sun Dec 18 04:01:31 PST 2011

On Sat, Dec 17, 2011 at 09:12:57PM -0800, Yingang Fu wrote:
> Does?anybody can explain the meaning of reason code 7(Client attempted to transfer data before it was associated)?
> I'm puzzled. I encountered a deauthentication problem which print out the reason code is 7.
> I used a phone to connect to an AP and downloading a file to the phone. Does reason code 7 meaning that the phone attempt to
> transfer data to AP but the association has not been established?

If the AP is sending a Deauthentication frame with reason code 7, it is
indicating that a Class 3 (e.g., a normal Data frame) was received from
the station when the AP did not have association at the moment. This
would most likely happen because the AP has dropped a previous
association and for some reason, the station did not notice that. In
other words, this mechanism is used to synchronize the association state
at the AP and the station.

Jouni Malinen                                            PGP id EFC895FA

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