Keepalived LoadBalacing

LVS Config

## Pool ID
virtual_server <WAN "frontend" IP> 80 {
        delay_loop 6
        lb_algo sh     # source hash
        lb_kind NAT
        protocol TCP

        real_server <LAN "backend" IP Server 1> 80 {
                weight 1
                TCP_CHECK {
                        connect_timeout 3
                }
        }
        real_server <LAN "backend" IP Server 2> 80 {
                weight 1
                TCP_CHECK {
                        connect_timeout 3
                }
        }
}

virtual_server <WAN "frontend" IP> 443 {
        delay_loop 6
        lb_algo sh     # source hash
        lb_kind NAT
        protocol TCP

        real_server <LAN "backend" IP Server 1> 443 {
                weight 1
                TCP_CHECK {
                        connect_timeout 3
                }
        }
        real_server <LAN "backend" IP Server 2> 443 {
                weight 1
                TCP_CHECK {
                        connect_timeout 3
                }
        }
}

VRRP

vrrp_instance VI_LOCAL {
        state MASTER
        interface eth1
        virtual_router_id 51
        priority 101
        virtual_ipaddress {
                10.X.X.X
        }

        track_interface {
                eth0
                eth1
        }

}

vrrp_instance VI_PUB {
        state MASTER
        interface eth0
        virtual_router_id 52
        priority 101
        virtual_ipaddress {
                X.X.X.X
        }
        track_interface {
                eth0
                eth1
        }
}

vrrp_instance VI_PUB2 {
        state MASTER
        interface eth0
        virtual_router_id 53
        priority 101
        virtual_ipaddress {
                X.X.X.X
        }

        track_interface {
                eth0
                eth1
	}
}