给大家一些NAT配置文件的借鉴

! Configuration File for keepalived

vrrp_sync_group VG1 {
group {
VI_1
VI_2
}
}

vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 51
priority 150
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.0.75
}
}

vrrp_instance VI_2 {
state MASTER
interface eth0
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
177.0.10.253
}
}

virtual_server 192.168.0.75 80 {
delay_loop 6
lb_algo wlc
lb_kind NAT
persistence_timeout 600
protocol TCP

real_server 177.0.10.2 80 {
weight 100
TCP_CHECK {
connect_timeout 3
}
}
}

###############################
###############################
BACKUP config
! Configuration File for keepalived

vrrp_sync_group VG1 {
group {
VI_1
VI_2
}
}

vrrp_instance VI_2 {
state BACKUP
interface eth0
virtual_router_id 51
priority 150
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.0.75
}
}

vrrp_instance VI_2 {
state BACKUP
interface eth0
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
177.0.10.253
}
}

virtual_server 192.168.0.75 80 {
delay_loop 6
lb_algo wlc
lb_kind NAT
persistence_timeout 600
protocol TCP

real_server 177.0.10.2 80 {
weight 100
TCP_CHECK {
connect_timeout 3
}
}
}