To have IP packet forwarding enabled after reboot, edit /etc/sysctl.conf: # Controls IP packet forwarding net.ipv4.ip_forward = 1 On Fri, 2005-07-08 at 22:02 -0500, Eric Hines wrote: > I'm running FC3 2.6.11-1.35_FC3 on a server motherboard with 2 NICs. > I've been advised that to have IP forwarding (e.g., between subnets off > those NICs (I'll add a third NIC for Internet access), I must add the > command > > echo 1 > /proc/sys/net/ipv4/ip_forward > > to the /etc/rc.d/boot.local. This person also advises that "I may want > to do the echo command last and include "0" in the init scripts, since > it opens up your network for a short time." But he's a SuSE guru, not a > Fedora Core guru. > > My questions are these: a) is this really necessary, or does the kernel > already include IP forwarding built in? > b) As FC3 does not have a boot.local file, where would I put this > command, if it is, in fact, necessary? At the end of > /etc/rc.d/init.d/xinetd, just ahead of the exit $RETVAL? Just after > exit $RETVAL? > c) What about that 0? Where, specifically, should it go? > > Thanks for your help. > > Eric Hines > > -- > He can compress the most words into the smallest ideas of any man > I ever met. > - Abraham Lincoln -- Danilo Câmara <dfcamara@xxxxxxxxxxxxx>