ripv2的路由认证

  第一步:在全局配置模式下建立key chain
   key chain cisco
   key 1
   key-string 123
第二步:在接口下调用key chain
interface Serial 1
  ip rip authentication key-chain cisco
  ip rip authentication mode text/md5
debug ip rip输出信息:
Oct 16 09:16:27.623: RIP: received packet with text authentication 123
Oct 16 09:16:27.623: RIP: received v2 update from 23.1.1.2 on Serial1/0
Oct 16 09:16:27.627:      10.1.1.0/24 via 0.0.0.0 in 2 hops
Oct 16 09:16:27.627:      12.1.1.0/24 via 0.0.0.0 in 1 hops
Oct 16 09:16:27.631:      172.16.1.0/24 via 0.0.0.0 in 1 hops
Oct 16 09:16:27.635:      172.16.2.0/24 via 0.0.0.0 in 1 hops
Oct 16 09:16:27.635:      172.16.3.0/24 via 0.0.0.0 in 1 hops
 

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