Cisco ip routing 等语句作用
ip routing 启用IP路由功能no ip routing 关闭IP路由功能
ip source routing IP源路由,如果依靠IP源地址做确认的服务将产生问题并且会被非法***
路由器的ip routing是缺省启用的,关闭ip routing是为了把路由器当做一台主机来用,所以此时要配上ip default-gateway ,就象在自己的PC上设置缺省网关一样。
有时候会在三层交换机上使用,打开三层交换机的路由功能!
(1)配置三层交换机启动路由功能:ip routing (2)配置VLAN IP地址: interface vlan vlan-id Ip address ip-address subnet-mask No shutdown (3)配置接口为三层模式: no switchport (4)配置DHCP中继转发: int vlan vlan-id Ip helper-address Dhcpserver-address (5)配置静态路由: ip route targetnet-address netmask nexthop-address (6)配置RIP协议: router rip Network netaddress (7)查看FIB表: show ip cef(8)查看邻接关系表: show adjacency detail (9)查看路由表: show ip route
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