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How do I configure static routes in Red Hat Enterprise Linux?
Article ID: 8024 - Created on: Apr 22, 2004 6:00 PM - Last Modified: Aug 18, 2009 8:20 AM
To add static routes on Red Hat Enterprise Linux systems, create a file /etc/sysconfig/network-scripts/route-ethX where X corresponds to the network interface you wish to use the alternate route(s). This file deals with three fields: GATEWAY, NETMASK, and ADDRESS. Each field should have a number appended to it indicating what route it relates to. The example below shows two static routes configured for the eth0 network interface.
/etc/sysconfig/network-scripts/route-eth0
GATEWAY0=10.10.0.1
NETMASK0=255.0.0.0
ADDRESS0=10.0.0.0
GATEWAY1=10.2.0.1
NETMASK1=255.255.0.0
ADDRESS1=192.168.0.0
After this is done either reboot the system or restart networking: service network restart