Re: does tcpdump catch all packets in the air?

[Łukasz Strzałkowski <lukasz.strzalkowski () pjwstk edu pl>]

> Probably because tcpdump isn't putting the interface into monitor mode 
> and the Kismet drone is probably putting the interface it's using into 
> monitor mode.  If you're not in monitor mode, the adapter will only 
> see packets for the wireless network with which you're associated.
> There's currently no API in libpcap to turn on monitor mode, and no 
> way in tcpdump to turn on monitor mode.  You might be able to do so 
> from the command line; see
>
>     http://wiki.wireshark.org/CaptureSetup/WLAN

RF Monitor mode is usually set up manually from command line. In my case 
also.
this is how I have done:
http://www.renderlab.net/projects/wrt54g/openwrt.html

On this router I've installed tcpdump and it dumps only my laptops 
activity. Strange.
Maybe filter fitlers too much?
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