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Old 09-06-2006, 02:11 PM   #1
Registered: Oct 2003
Location: St Paul, MN
Distribution: Fedora 8, Fedora 9
Posts: 513

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Problems authenticating more than once with wpa_supplicant

I've just installed a new Netgear WG111T wireless network adapter in my computer and have proceeded to set up WPA-PSK. However, results are a little intermittent. I have managed to get it to work (it's working right now, in fact), but if the connection drops or loses signal or the link fails for any other reason, I can't get the WPA key negotiation to work without removing and reinserting the card, which is somewhat irritating.

I'm using the latest version of the ndiswrapper (2.63) and wpa_supplicant (0.49-15).

On a successful key negotiation run, I get

[david@malvern ~]$ sudo wpa_supplicant -D wext -i wlan1 -c /etc/wpa_supplicant/wpa_supplicant.conf
Trying to associate with <mac address> (SSID='APD' freq=2462 MHz)
Associated with <mac address>
WPA: Key negotiation completed with <mac address> [PTK=TKIP GTK=TKIP]
CTRL-EVENT-CONNECTED - Connection to <mac address> completed (auth)
On a failed run, this happens

[david@malvern ~]$ sudo wpa_supplicant -D wext -i wlan1 -c /etc/wpa_supplicant/wpa_supplicant.conf
Trying to associate with <mac address> (SSID='APD' freq=2462 MHz)
Authentication with 00:00:00:00:00:00 timed out.
I can paste output from wpa_supplicant with the -dd option turned on if anyone can use the information to further help me.

Any suggestions are wekcine.

David Gee
Old 09-06-2006, 04:17 PM   #2
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Registered: Oct 2005
Location: New Mexico
Distribution: Slackware
Posts: 1,547

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I constantly had problems with wpa_supplicant/ndiswrapper dropping the connection. I had to resort to two workarounds to minimize the inconvenience.:

1. I set up a shell script for connection/reconnection. The first two lines kill any running wpa_supplicant and dhcpcd processes. By killing the old processes, you can USUALLY reconnect.

2. It seemed that the connection would drop after a certain (random) amount of idle time. So I set a cron job to ping my home server every 15 minutes. That was enough activity to significantly reduce the number of drops.

Sometimes, despite this, when changing networks, my laptops froze and needed a hard reboot.



wireless, wpapsk, wpasupplicant

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