Need to bind multiple IP addresses to a network interface? Here is a nice article I found online:
cd /etc/sysconfig/network-scripts/
cp ifcfg-eth0 ifcfg-eth0:0
cp ifcfg-eth0 ifcfg-eth0:1
cp ifcfg-eth0 ifcfg-eth0:2
...
vi ifcfg-eth0:0
Here is an OLD article on the same topic.