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路由器ip routing命令講解

  ip routing 啟用IP路由功能

  no ip routing 關閉IP路由功能

  ip source routing IP源路由,如果依靠IP源地址做確認的服務將產生問題並且會被非法入侵

  路由器的ip routing是缺省啟用的,關閉ip routing是為了把路由器當做一台主機來用,所以此時要配上ip default-gateway ,就象在自己的PC上設置缺省 網關一樣。

  有時候會在三層交換機上使用,打開三層交換機的路由功能!

  (1)配置三層交換機啟動路由功能:ip routing

  (2)配置VLAN IP地址: interface vlan vlan-id

  Ip address ip-address subnet-mask

  No shutdown

  (3)配置接口為三層模式: no switchport

  (4)配置DHCP中繼轉發: int vlan vlan-id

  Ip helper-address Dhcpserver-address

  (5)配置靜態路由: ip route targetnet-address netmask nexthop-address

  (6)配置RIP協議: router rip

  Network netaddress

  (7)查看FIB表: show ip cef

  (8)查看鄰接關系表: show adjacency detail

  (9)查看路由表: show ip route


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