[CentOS] Problems getting my wireles connection to work

Thu Jul 15 02:01:21 UTC 2010
Barry Brimer <lists at brimer.org>

> [root at marktop mark]# iwconfig wlan0 essid hrfamnet-101
> [root at marktop mark]# iwconfig wlan0 enc XXXXXXXXXX [not really...]
> [root at marktop mark]# iwconfig wlan0
> wlan0     IEEE 802.11bg  ESSID:"hrfamnet-101"
>          Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm
>          RTS thr:off   Fragment thr:off
>          Encryption key:XXXXXXXXXX
>          Power Management:off
>
> [root at marktop mark]# ifup wlan0
>
> Determining IP information for wlan0... failed.
> [root at marktop mark]# iwlist wlan0 scan
> wlan0     Scan completed :
>          Cell 01 - Address: 00:1C:F0:58:9A:31
>                    Channel:6
>                    Frequency:2.437 GHz (Channel 6)
>                    Quality=47/70  Signal level=-63 dBm
>                    Encryption key:on
>                    ESSID:"hrfamnet-101"
>                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
>                              12 Mb/s; 24 Mb/s; 36 Mb/s
>                    Bit Rates:9 Mb/s; 18 Mb/s; 48 Mb/s; 54 Mb/s
>                    Mode:Master
>                    Extra:tsf=00000073d81085b2
>                    Extra: Last beacon: 468ms ago
>                    IE: Unknown: 000C687266616D6E65742D313031
>                    IE: Unknown: 010882848B960C183048
>                    IE: Unknown: 030106
>                    IE: Unknown: 2A0102
>                    IE: Unknown: 32041224606C
>                    IE: WPA Version 1

I believe you need to use wpa_supplicant to connect to a wpa protected 
network .. using ifconfig with enc as you have I believe only works for 
WEP, but I could be wrong.

Barry