> Can anyone tell me which file I need to modify to turn > on IP Forwarding? I know where to do it while the > system is on; however, since it's a multi-homed system > and my router, I would like to have it setup > correctly... Do you mean like, on a RedHat machine : /etc/sysctl.conf -> net.ipv4.ip_forward = 1 Or : echo 1 > /proc/sys/net/ipv4/ip_forward Which you can put in /etc/rc.d/rc.local or whatever startup file. Rob