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华为防火墙VRRP双机热备的原理及配置详解-warrent
source link: https://blog.51cto.com/14154700/2427616
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博文大纲：一、何为双机热备？二、VRRP的概念三、VRRP的两种角色四、VRRP的选举流程五、VRRP的三个状态六、通过VGMP统一管理VRRP的状态1、VGMP的报文封装2、双机热备的备份方式3、关于上游或下游设备的选路问题七、配置实例八、总结一、何为双机热备？所谓的双机热备无非就是以7X24小时不中断的为企业提供服务为目的，各种双机热备的技术很多，那么华为使用了这个共有协议的热备协议——VRR
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