本规范是华为公司资料。冗余备份协议VRRP 特性增强技术是一项VRRP实现快速切换的技术，通过VRRP 绑定的BFD完成链路的快速检测，然后通过配置保证VRRP实现快速切换-the norms of the Huawei Company information. Backup agreement VRRP redundancy enhance the technical characteristics of a VRRP achieve rapid switching technology, t