Hi Dave On Wed, 2006-10-11 at 21:04 -0600, David G. Miller wrote: > Jeff Vian <jvian10@xxxxxxxxxxx> wrote: > > >If your system is acting as a gateway router for other systems on your > >local network there are different issues involving static routes. For a > >workstation on 2 different networks, only one default gateway can be > >used. > > > This system is also my router. eth0 (as per the annotations) has my > public IP address and is my gateway to my ISP. eth1 is the gateway for > systems on my LAN. That is, all of the systems on my LAN show a routing > table that looks something like: > > [dave@bend ~]# netstat -n -r > Kernel IP routing table > Destination Gateway Genmask Flags MSS Window irtt > Iface > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 > eth1 > 192.168.0.0 0.0.0.0 255.255.0.0 U 0 0 0 > eth1 > 0.0.0.0 192.168.255.254 0.0.0.0 UG 0 0 0 > eth1 That is fine > > I point people in this direction because their next question is usually, > "How do I get the "other system" onto the internet?" Also, only one > default gateway ends up defined in the routing table. The system does > the right thing and uses the the default gateway specified for eth0 even > though the gateway specified by eth1 comes "later:" > > Kernel IP routing table > Destination Gateway Genmask Flags MSS Window irtt > Iface > 72.19.169.0 0.0.0.0 255.255.255.0 U 0 0 0 > eth0 > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 > eth1 > 192.168.0.0 0.0.0.0 255.255.0.0 U 0 0 0 > eth1 > 0.0.0.0 72.19.169.1 0.0.0.0 UG 0 0 0 > eth0 There is no gateway shown associated with eth1 !? So no notice has been taken of the GATEWAY=72.19.169.230 in /etc/sysconfig/network-scripts/ifcfg-eth1 I cannot see that this entry achieves anything John
