Does pc2 try to send out the packets (see tcpdump output)? - If yes, it's probably your ISP blocking 'spoofed' packets (packets which come from adresses that are not supposed to be on that subnet). Baltasar -- Baltasar Cevc _____ former 03 gmbh _____ infanteriestraße 19 haus 6 eg _____ D-80797 muenchen _____ http://www.former03.de