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keepalived工作原理-jhyeliu
source link: http://blog.51cto.com/jhyeliu/2083545
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很久没有更新了，闲来无事在写一个吧！写的不好，望大神们多多指教。1）、Keepalived高可用对之间是通过VRRP协议通信的，VRRP全称VirtualRouterRedundancyProtocol，【虚拟路由冗余协议】，VRRP的出现时为了解决静态路由单点故障的问题。2）、VRRP是通过竞选机制来确定路由任务应该交给哪台VRRP路由器。3）、VRRP用IP多播的方式（默认多播地址：224.0
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