wpa_supplicant fails and reports weird AP address in association
Tue Dec 12 04:53:40 PST 2006
On Tue, 2006-12-12 at 12:15 +0100, Sergio Callegari wrote:
> I am trying to set up a wireless network including an Hamlet access
> point and a Linux laptop with an intel 3945 wireless interface.
> Everything is fine as long as I limit myself to WEP security.
> If I try to use WPA security with wpa_supplicant, things stop working.
> Precisely I am getting the following problem
> wpa_supplicant -i eth1 -c /etc/wpa_supplicant.conf -D wext
> with the following wpa_supplicant.conf
Is it really something with quotes? First, try using the
'wpa-passhprase' tool or copy the actual _hex_ key from your AP's
configuration screen, and paste it into your wpa_supplicant
configuration like so:
i.e., _don't_ use quotes, and use the hexadecimal key rather than using
quotes here. If you use quotes, wpa_supplicant interprets the config
option as a string, which clearly isn't what you want here. And I don't
believe that wpa_supplicant supports passphrase hashing for WPA
internally, that's what wpa-passphrase is for.
> associates but immediately dies reporting that the 4-Way handshake
> is failing and suggesting a wrong pre-shared key (which is not the case).
> Curiously, I have noticed the following inconsistency:
> 1) my AP MAC address should be AA:BB:CC:DD:EE:30 as reported on the AP
> web interface (only last byte is properly quoted here).
> 2) iwlist eth1 scan reports AA:BB:CC:DD:EE:33... i.e. the last byte is
> different in 3 bits.
> 3) By cross checking with another host (a windows one, to make the
> crosscheck more significant) I see that also the other host reports
> AA:BB:CC:DD:EE:33 as the AP mac.
> 4) when wpa_supplicant reports association, it says it is associating
> with AA:BB:CC:DD:EE:33...
> 5) however, the subsequent debug of the 4 way
> handshake shows AA:BB:CC:DD:EE:30 as the AP address...
> May this has anything to do with the failed handshake?
> Some information that might be useful:
> Linux kernel is the ubuntu version of 2.6.17 (generic, i.e. SMP) on a
> CORE 2 duo (DELL D820 laptop).
> wireless driver is ipw3945, kernel module version 1.1.0mp
> wpa_supplicant is version 0.5.4
> any idea?
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