Originally Posted by serge
It also says I need to specify the default gateway in this file, but this is already defined in /etc/sysconfig/network would/does setting both cause conflicts of some sort?
AFAIK, RHEL's network scripts are smart enough to ignore duplicated / identical GATEWAY entries. If you don't want your default router to get clobbered, set up the static routes using the notation:
Important note: if you do not have physical access to this server (i.e. it's hosted somewhere far away), be sure to test your configuration elsewhere before
trying to implement the change. Messing with routing tables can be a quick way to get "locked out" of your server.