Invalid argument with iwconfig command

cslucsm · 01-31-2011, 09:53 AM

Hello

I am a newbie. I am trying to connect to a wireless network. I got a problem with network manager. So I try to connect manually

I found wireless network around by using "iwlist scan" command.

I want to connect to a network with ESSID "MCC(Mandalay)" and Key "mdymcctraining"

Here is my problem The output of "iwconfig" command is

Code:

root@ubuntu:~# iwconfig wlan0 essid MCC\(Mandalay\) key mdymcctraining
Error for wireless request "Set Encode" (8B2A) :
    invalid argument "mdymcctraining".

What does it mean "invalid argument"?
It means that my wireless pre-sharedkey is not correct?
I am sure the key is valid. It is used by any others with window 7.
Please Help Me.

lcamp · 01-31-2011, 11:19 AM

the key argument in iwconfig applies only for WEP based security for wireless networks. You're using WPA(2) so you have to use wpa_supplicant.