hello, Is there any way in linux kernel network stack at IP layer before adding IP header to know that packet is transmitted to eth1 or forwarded to eth1 if linux machine has 2 NIC's eth0 and eth1? regards, cranium __________________________________ Yahoo! Mail Mobile Take Yahoo! Mail with you! Check email on your mobile phone. http://mobile.yahoo.com/learn/mail -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/