[root@rocha-ar /]# iwlist eth1 scan
eth1 Scan completed :
Cell 01 - Address: 00:22:0C:94:CD:10
ESSID:"TCORP"
Mode:Managed
Frequency:2.417 GHz (Channel 2)
Quality:5/5 Signal level:-46 dBm Noise level:-92 dBm
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
...
Cell 05 - Address: 00:26:52:D9:7B:D0
ESSID:"TCORP"
Mode:Managed
Frequency:2.422 GHz (Channel 3)
Quality:1/5 Signal level:-81 dBm Noise level:-86 dBm
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
Encryption key:on
Bit Rates:1 Mb/s; 2
Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
...
Cell 08 - Address: 00:3A:99:0C:27:30
ESSID:"TCORP"
Mode:Managed
Frequency:2.447 GHz (Channel 8)
Quality:4/5 Signal level:-67 dBm Noise level:-85 dBm
IE: IEEE
802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
> You could try setting the freq/channel before the ap.
I try setting the freq/channel, but does not work
"iwconfig eth1 channel 2 freq 2.417G ap 00:3A:99:0C:27:30 commit"