wireless lan problem

Timothy Murphy gayleard at eircom.net
Tue Mar 25 15:29:56 UTC 2008

Osama Mahdi wrote:

> but if the device is not in up state, why when I used ( iwlist  scan ) I
> was able to find many networks? I think that mean the device is
> definetly up but it could not connect to the wireless network.

Certainly the device must be up if iwlist scan returns something.
I only thought it was not up because you said ifup failed.

> do u know the system file where the wireless encoding configuration is
> stored? I think this will help solving my problem.

I think it depends very much if you are using NetworkManager or not.

If you are not, then the information is stored
in /etc/sysconfig/network-scripts/ifcfg-wlan0
(in your case), I believe.

Timothy Murphy  
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

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