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- Join Date
- Jan 2007
Wireless connection to router works withWPA but not without encryption
I am using SuSE 11.3 and have the following problem. I'm trying to connect to a router via the wireless port on my Toshiba laptop. (I'm not using NetworkManager, I've set it up with the ifup/ifdown method.)
If I'm setting up the router such that it requires WPA2/AES authentication (called WPA/PSK in the Linux settings), everything works fine. But if I set the security mode to "disabled" on the router and the authentication method to "No Encryption" in yast, it cannot connect.
I've tried this with 3 routers actually (2 different Linksys routers and a TPLink) and the same thing happened. Thus it seems that I will probably have to set up something in a different way.
Does anyone have any idea what/how?
P.S.: Please don't advise me to use NetworkManager. First I started with that back when I was connecting through regular cable (i.e., using eth0) and for a few days it worked, then never again. I've read afterwards that it is considered highly unreliable and I wouldn't like to start having problems with it now.
P.S.2: Neither should you tell me to "use WPA then", because right now I'm at a place where I cannot change the router settings but have to adjust the ones on my own SuSE instead.
I hope I can offer a few suggestions based on what you have stated.
From the sounds of it: "I've tried this with 3 routers actually (2 different Linksys routers and a TPLink) and the same thing happened", the problem is not at the router end.
I would re-examine the device settings for the Toshiba laptop. I wouldn't be surprised if there wasn't a setting which always tried to force an encrypted connection.
This would explain why a non-encrypted connection won't work, and it would account for the multiple routers above.
Failing all of that, go back to basics and re-setup from scratch. It is easy to make a mistake which has far-reaching consequences, and one which you can't easily see.
Hope this helps.
- Join Date
- Jan 2007
SOLVED: Wireless conn. to router works w/WPA but not w/out encryption
thanks for your hints! In the meantime I've found the solution (or rather a workaround...?)
iwconfig wlan0 essid <essid-of-the-router>
# and this every time ifup wlan0 is called or even when the machine is woken up from sleep mode
Last edited by agostonbejo; 02-11-2012 at 03:41 PM. Reason: case is solved