Ethereal and hostAP

Denis Vlasenko vda
Wed Sep 8 23:11:26 PDT 2004

On Thursday 09 September 2004 03:20, tanuja ingale wrote:
> Hi,
> I used Ethereal with the Dlink DWL 650 card in monitor mode 2. This brings
> down my wlan0 interface. As in, it shows
> wlan0     IEEE 802.11b  ESSID:"cuairnet"
>           Mode:Monitor  Frequency:2.422GHz  Access Point: 00:00:00:00:00:00
>           Bit Rate:1Mb/s   Sensitivity=1/0
>           Retry min limit:8   RTS thr=2312 B   Fragment thr:off
>           Encryption key:off
>           Power Management:off
>           Link Quality:53/0  Signal level:-38 dBm  Noise level:-92 dBm
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:9  Invalid misc:3177   Missed beacon:0
> When I disable the monitor mode, the iwconfig shows the valid AP address.
> Can anyone tell me where I may have gone wrong?
> Thanks
> Tanuja

In monitor mode, you aren't associated with anybody.
You are simply receiving every packet. No filtering
on BSSID, unknown crypto key, etc, is done.

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