On Wed, 2006-08-16 at 14:39 +0200, centos wrote: > I need help setting up a basic routing between two nic's on my CentOS > desktop. I thought I'd understood the basics, but ... I don,t want a nat > router, just packets forwarded back and fort. > > This is what I thought would do the trick, but didn't. Can someone > please give me some pointers or links so I can get this right. > > # echo "1" > /proc/sys/net/ipv4/ip_forward > # route add -net 192.168.2.0 netmask 255.255.255.0 eth1 > # route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.1.150 eth1 > # > # route -n > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use Iface > 192.168.2.0 192.168.1.150 255.255.255.0 UG 0 0 0 eth1 > 192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 > 192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 > 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1 > 0.0.0.0 192.168.1.150 0.0.0.0 UG 0 0 0 eth1 > > 2 nics hooked up on just 2 machines...gotta use a crossover cable..not a patch that's bout it ummm if you are also gatewayed outsite...I'd suggest googling round for passwordless ssh for the two machines to packet back and forth on auto off to work now John