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Old 01-01-2008, 06:25 PM   #1
Registered: Dec 2005
Posts: 54

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airodum-ng and iwl3945


I was wondering has anyone had trouble running airodum-ng with iwl3945?
I'm getting this error message, and I don't know why...

I even tested to make sure that my wifi was turn on .

[root@localhost ~]# iwlist scanning
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

wmaster0 Interface doesn't support scanning.

wlan0 Scan completed :
Cell 01 - Address: 00:12:0E:41:10:70
Frequency:2.437 GHz (Channel 6)
Quality=66/100 Signal level=-67 dBm Noise level=-127 dBm
Encryption keyn
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s

I then tried running airodump-ng and got this error message below

[root@localhost ~]# airodump-ng wlan0
ioctl(SIOCSIWMODE) failed: Device or resource busy
Error setting monitor mode on wlan0

Any help would be nice.
Old 01-06-2008, 01:58 AM   #2
Junior Hacker
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Registered: Jan 2005
Location: North America
Distribution: Debian testing Mandriva Ubuntu
Posts: 2,687

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Originally Posted by Malachai.77 View Post
[root@localhost ~]# airodump-ng wlan0
ioctl(SIOCSIWMODE) failed: Device or resource busy
Error setting monitor mode on wlan0

Any help would be nice.
Not sure if that's how you use airodump-ng. It looks like the interface either cannot monitor with that command or needs to be in a different mode. I have an IPW2200 that allows me to bring it up with radio tap (rtap) and usually configure it and put it in managed mode before monitoring an AP with commands similar to this:
rmmod ipw2200
modprobe ipw2200 rtap_iface=1
iwlist eth1 scan
iwconfig eth1 ap <access point bssid>
iwconfig eth1 key s:fakekey
iwconfig eth1 mode managed
ifconfig eth1 up
ifconfig rtap0 up
Yours would be wlan0 instead of eth1.
The when I use airdump, I specify the bssid of the AP and the channel it's on and to put all the collected packets in a file called "dumpfile" in the PWD.:
airodump-ng -c 6 --bssid 00:12:0E:41:10:70 -w dumpfile rtap0
Have you checked the forums at aircrack-ng for examples of commands to prepare and use your specific wireless interface for airodump?.

Last edited by Junior Hacker; 01-06-2008 at 02:05 AM. Reason: Added proper url


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