以一个例子来说明,假设有如下两个路由器R1,R2,且均配置了到达彼此环回地址的静态路由. (1.1.1.1/24)R1(Gig0/0)(.1)——12.0.0.0/24——(.2)(Gig0/0)R2(2.2.2.2/24) 获取R1的FIB表 R1#sh ip cef Prefix Next Hop Interface no route drop receive attached Loopback0 receive Loopback0 receive Loopback0 receive Loo…