```
apt-get install keepalived
```

<p>配置</p>


```
vrrp_sync_group VG {
        group {
                VG_1
        }
}
 
vrrp_instance VG_1 {
        state BACKUP
        interface em1
        virtual_router_id 51
        priority 101
        advert_int 1
        authentication {
                auth_type PASS
                auth_pass xxxx
        }

        track_interface {
                em1
                em3
        }

        virtual_ipaddress {
                xxx.xxx.xxx.xxx/24 dev em3
                xxx.xxx.xxx.xxx/24 dev em1
        }
        nopreempt
}
 
```

<p>启动</p>


```
/etc/init.d/keepalived start
```

<p>&nbsp;</p>