keepalived启动后报received an invalid passwd!

keepalived启动后报错：(VI_1): received an invalid passwd!的解决办法

一、配置好keepalived.conf文件后，启动keepalived，查看/var/log/message日志报错：

[root@localhost ]# tail  /var/log/messages

Mar 14 10:17:20 node3_1_3 Keepalived_vrrp[143988]: (VI_1): received an invalid passwd!
Mar 14 10:17:20 node3_1_3 Keepalived_vrrp[143988]: bogus VRRP packet received on br0 !!!
Mar 14 10:17:20 node3_1_3 Keepalived_vrrp[143988]: VRRP_Instance(VI_1) ignoring received advertisment...
Mar 14 10:17:21 node3_1_3 Keepalived_vrrp[143988]: (VI_1): received an invalid passwd!
Mar 14 10:17:21 node3_1_3 Keepalived_vrrp[143988]: bogus VRRP packet received on br0 !!!
Mar 14 10:17:21 node3_1_3 Keepalived_vrrp[143988]: VRRP_Instance(VI_1) ignoring received advertisment...
Mar 14 10:17:22 node3_1_3 Keepalived_vrrp[143988]: (VI_1): received an invalid passwd!
Mar 14 10:17:22 node3_1_3 Keepalived_vrrp[143988]: bogus VRRP packet received on br0 !!!
Mar 14 10:17:22 node3_1_3 Keepalived_vrrp[143988]: VRRP_Instance(VI_1) ignoring received advertisment...

二、原因分析

因为virtual_router_id，路由ID实例，必须是唯一的，其它环境中有存在相同的实例ID，所以要修改一个其它的实例ID

(base) [root@zgg_node3_1_3 keepalived]# cat keepalived.conf
# Please do not change this file directly since it is managed by Ansible and will be overwritten
! Configuration File for keepalived

global_defs {
    router_id mysql1
}

vrrp_script check_mysql {
    script "/etc/keepalived/check_mysql.sh"
    weight -20
    interval 5
    rise 2
    fall 2
}

vrrp_instance VI_1 {
    state MASTER
    priority 100
    interface br0
    virtual_router_id 86    ##之前是51，应该是被其他的环境占用了，后来改成86就可以了（保证不冲突）
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass dnf1
    }
    virtual_ipaddress {
        172.16.1.131/16
    }
    track_script {
        check_mysql
    }
}

 

主备都修改成新的virtual_router_id，都重启keepalived，重启后再测试已正常。

[root@lb-master ~]# systemctl restart keepalived

[root@lb-backup ~]# systemctl restart keepalived