cd /etc/sysconfig/network-scripts cp ifcfg-eth0 ifcfg-eth0:1 vi ifcfg-eth0:1 modify DEVICE to DEVICE=eth0:1 change IPADDR to the new IP ./ifup ifcfg-eth0:1
this for one IP
do the same for rest of the IPS give eth0:2 eth0:3 etc