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CCNA笔记:IP路由(二)

发布时间:2006-06-28 05:53     点击:
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  I 192.168.50.0 [100/170420] via 192.168.20.2, Serial0/0

  (略)

  I代表IGRP[100/170420]为AD和复合度,度越低越好

  Verifying Your Configurations

  一些验证性的命令:

  show protocols:显示所有的可路由协议和查看接口及其相关协议,如下:

  RouterB#sh protocols

  Gloabal values:

  Internet Protocol routing is enabled

  FastEthernet0 is up, line protocol is up

  Internet Address is 192.168.30.1/24

  Serial0/0 is up, line protocol is up

  Internet Address is 192.168.20.2/24

  Serial0/1 is up, line protocol is up

  Internet Address is 192.168.40.1/24

  RouterB#

  show ip protocols:显示router上配置好了的路由协议,如下:

  RouterB#sh ip protocols

  Routing Protocols is “rip”

  (略)

  debug ip rip:发送控制台消息显示有关在router接口上收发RIP数据包的信息,关闭debug,使用undebug all或者no debug all命令,如下:

  RouterB#debug ip rip

  RIP protocol debugging is on

  RouterB#

  07:12:56: RIP: received v1 update from 192.168.40.2 on Serial0/1

  07:12:56: 192.168.50.0 in 1 hops

  (略)

  RouterB#undebug all

  All possible debugging has been turned off

  RouterB#

  debug ip igrp events:提供在网络中运行的IGRP路由选择信息的概要,关闭使用undebug ip igrp events或undebug all命令,如下:

  RouterB#debug ip igrp events

  IGRP event debugging is on

  07:13:50: IGRP: received request from 192.168.40.2 on Serial0/1

  07:13:50: IGRP: sending update to 192.168.40.2 via Serial1(192.168.40.1)

  07:13:51: IGRP: Update contains 3 interior, 0 system, and 0 exterior routes

  07:13:51: IGRP: Total route in update: 3
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