今天在客户那边上线的nginx+keepalived 集群突然报错：

在/var/log/messages :one or more vip associated with vrid mismatch actual master advert

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原因：客户在同一网段中部署了新一套keepalived环境，导致virtual_router_id值跟我们部署的集群系统中该值冲突了，均使用了默认的值：51

解决方法：

修改其中一套集群中主从节点中keepalived的virtual_router_id 即可，主从需要保持一致

/usr/local/keepalived/etc/keepalived/keepalived.conf 中

Master:vrrp_instance VI_1 {        interface eth0        state MASTER                      virtual_router_id 88 ====>默认是51        priority  100
Slave:vrrp_instance VI_1 {        interface eth0        state BACKUP                   virtual_router_id 88 ====>默认是51,统一集群MASTER跟Slave需要保持一致        priority  90

重新启动keepalived 即可。