=== Adding Routes ===
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== CentOS 6.x ===
To add a route, you can use the following command and replacing <destination>, <gateway>, <interface>:
<sxh bash>
ip route add <destination>/32 via <gateway> dev <interface>
</sxh>
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Once you have confirmed the route is working, you will need to add it to configuration file to make sure the route survives a reboot. Replace <interface> with the interface name
<sxh bash>
vim /etc/sysconfig/network-scripts/route-<interface>
</sxh>
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Once you are in the file, add the route like you did above without the commands:
<sxh bash>
<destination>/32 via <gateway> dev <interface>
</sxh>
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You could instead, add the route straight into the configuration file and then run the following command to test the file:
<sxh bash>
/etc/sysconfig/network-scripts/ifup-routes <interface name>
</sxh>
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== Testing the interface ==
<sxh bash>
ip route get <destination>
</sxh>