CCNA排错命令

总结了一下思科认证CCNApart的一些排错命令，不好之处，请指正，谢谢！

 

1.Cisco设备管理

Show arp     Showclock     Showversion     Showflash: //查看硬盘大小 Showrunning-config     Showstartup-config     Showip interface brief

Show interface f0/0

2.静态路由

Show iproute   debug ipicmp    undebugip icmp  undebug all //关闭所有调试 一般简写为“un all  Clearp arp  debug arp

3.RIP

Show ip route //查看路由表                Showip route rip//查看RIP路由

Show run | section router rip //查看RIP配置    Showrun | s r r //查看RIP配置

Show ip protocol //查看路由协议信息         clearip route * //刷新路由表

4.EIGRP

Sh ip  eito     Ship routeei        Ship ei

5.OSPF

Sh ip ospf nei   sh ip ospfdata    sh iprouteospf       Clearip ospf process//清除ospf 进程，重建邻居

6.交换基础

Show vlan-sw   Show interfacevlan X   Showinterface trunk  show vtp status

Show spanning-tree interfacefx/x   Showspanning-tree brief

Show spanning-tree uplinkfast     Showspanning-tree backbonefast

    DHCP          Showrun | s ip dhcP  Show ip dhcp binding      Showip dhcppool     showethernet summary

port-security      Showmac-address-table     showport-security

7.广域网技术

Show int s0/0    PPP: Show interface multilink1    showfram rou    

show fram map            ACL     show intfx

Show ip nat translation     Debugip nat  (观看运行过程的转换)