I'll answer my own question since I figured it out.
The correct file would be for that actual device so in this example it should be:
The correct syntax for the entry in the file is not exactly what the echo command I found lists, it should be like this:
192.168.1.0/24 via 10.0.0.1 dev tun0
or, from the cli:
echo 192.168.1.0/24 via 10.0.0.1 >> /etc/sysconfig/network-scripts/route-tun0
Last edited by ne0shell; 04-26-2013 at 12:08 AM.