> Actually, I want to find out the device (its index )on which an incoming > packet arrived. Is there a better way to do it? (One that works allways?) You can look in the routing Table with the reverse adress (change source and destination adress). There you schould find the device where you got the packet from. I hope this is corect for every case. CU Katharina _________________________________________________________________________ Mit der Gruppen-SMS von WEB.DE FreeMail können Sie eine SMS an alle Freunde gleichzeitig schicken: http://freemail.web.de/features/?mc=021179 -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/