Vi /etc/sysctl.conf
net.ipv4.conf.eth0.arp_ignore = 1
net.ipv4.conf.eth0.arp_announce = 2
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_announce = 2
Vi /etc/rc.local
ip addr add 192.168.168.100/32 dev lo
Virtual IP: 192.168.136.10
Load Balancer: 192.168.136.11
Backup: 192.168.136.12
Real Server 1: 192.168.136.101
Real Server 2: 192.168.136.102
Real Server 3: 192.168.136.103