Re: A Strange Networking Setup

["srg krn" <srgqwerty@gmail.com>]

The best way to acomplish this is using ettercap on your linux box.
If the WRT is configured as a bridge (not a layer 3 router) between
wireless and LAN you can do the following.
With ettercap you can do that the wireless client thinks that the MAC
addr of the router is the MAC addr of your linux machine.
In the other hand (while running ettercap) the packets arriving to
your linux machine with the dst mac addr of your linux machine (but
destinated to another ip) will be forwarded (layer 2 forward) to the
"real" router.

Done this, you can happily "sniff" all the traffic that is going
to/from the wireless client.

IT IS VERY EASY TO USE ETTERCAP.

If you want more detailed info google for a document from the SANS
institute called "an ettercap primer".

Hope this helps

Regards