使用 keepalived 设置虚拟 IP 环境，实现IP漂移

使用 keepalived 设置虚拟 IP 环境

准备

准备三个机器，IP地址信息如下：

host1： 192.168.2.206

host2： 192.168.2.205

hots3:  192.168.2.177

安装 keepalived

在两台机器上分别安装 keepalived

$ sudo yum install -y keepalived

• 1

配置 keepalived

host1 上 keepalived 配置

$ cat /etc/keepalived/keepalived.conf

vrrp_instance VI_1 {

    state MASTER

    interface ens160

    virtual_router_id 51

    priority 101

    advert_int 1

    authentication {

        auth_type PASS

        auth_pass 123456

    }

    virtual_ipaddress {

        192.168.2.98

    }

}

host2 上 keepalived 配置

$ cat /etc/keepalived/keepalived.conf

vrrp_instance VI_1 {

    state BACKUP

    interface eth0