Originally Posted by renderman

presuming 'linux box' means your local workstation, you already have something on that port on localhost, make sure your not running 2 copies of kismet or that your running a firewall locally that might be messing things up

the whole 'killing client' thing on the WRT means that there was a connection from somewhere, but it died.

what's happening is: Kismet server fires up on your workstation, connects to the drone. Kismet client tries to connect to the Kismet server on locahost, can't and the whole thing dies.