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HSRP(Hot Standby Router Protocol)即热备份路由器协议,热备份就是指当正在使用的路由器出现故障时,网络中可以有一台或多台路由器充当备份,作为候补的路由器能够代替故障路由器进行正常工作,从而实现平稳过度,大大降低了由于故障造成对网络的不良影响。HSRP的应用主要体现在广播或多播局域网中路由器的热备份,其适应于静态的路由器配置,解决了网络设备不能动态适应路由改变的问题。在实际网络配置中常见以下两种基于HSRP的
Hot Standby Router Protocol (HSRP) refers to the hot backup router protocol. Hot backup means that when a router in use fails, one or more routers in the network can serve as backups. As an alternate router, the backup router can work normally instead of a faulty router. In order to achieve a smooth transition, greatly reducing the network caused by the adverse effects of failure. The application of HSRP is mainly reflected in the hot backup of the router in the broadcast or multicast LAN, which is adapted to the static router configuration and solves the problem that the network device can not dynamically adapt to the route change. In the actual network configuration, the following two HSRP-based