启动接口,分配IP地址:
router
router enable
router#
router# configure terminal
router(config)#
router(config)# interface Type Port
router(config-if)# no shutdown
router(config-if)# ip address IP-Address Subnet-Mask
router(config-if)# ^z
配置RIP路由协议:30秒更新一次
router(config)# router rip
router(config-if)# network Network-Number
router(config-if)# ^z
配置IGRP路由协议:90秒更新一次
router(config)# router igrp AS-Number
router(config-if)# network Network-Number
router(config-if)# ^z
配置Novell IPX路由协议:Novell RIP 60秒更新一次
router(config)# ipx routing [node address]
router(config)# ipx maximum-paths Paths
router(config)# interface Type Port
router(config-if)# ipx network Network-Number [encapsulation encapsulation-type] [secondary]
router(config-if)# ^z
配置DDR:
router(config)# dialer-list Group-Number protocol Protocol-Type permit [list ACL-Number]
router(config)# interface bri 0
router(config-if)# dialer-group Group-Number
router(config-if)# dialer map Protocol-Type Next-Hop-Address name Hostname Telphone-Number
router(config-if)# ^z
配置ISDN:
router(config)# isdn swith-type Swith-Type 交换机类型,中国使用basic-net3--
router(config-if)# ^z
配置Frame Relay:
router(config-if)# encapsulation frame-relay [cisco ietf ]
router(config-if)# frame-relay lmi-type [ansi cisco q933a ]
router(config-if)# bandwidth kilobits
router(config-if)# frame-relay invers-arp [ Protocol ] [dlci ]
router(config)# frame-relay Protocol Protocol-Address DLCI [ Broadcast ] [ ietf cisco ] [ payload-compress packet-by-packet ]
--
router(config-if)# keepalive Number
--
router(config-if)# frame-lelay local-dlci Number
--
router(config-if)# interface Type Port.Subininterface-Number [ multipoint point-to-point ]
router(config-subif)# ip unnumbered Interface
router(config-subif)# frame-lelay local-dlci Number
--
router(config-if)# ^z
配置标准ACL:
router(config)# access-list Access-List-Number [ permit deny ] source [ source-mask ]
router(config)# interface Type Port
router(config-if)# ip access-group Access-List-Number [ in out ]
router(config-if)# ^z
配置扩展ACL:
router(config)# access-list Access-List-Number [ permit deny ] [ Protocol Protocol-Number ] source source-wildcard [ Source-Port ] destination destination-wildcard [ Destination-Port ] [ established ]
router(config)# interface Type Port
router(config-if)# ip access-group Access-List-Number [ in out ]
router(config-if)# ^z
配置命名ACL:
router(config)# ip access-list [ standard extended ] ACL-Name
router(config [ std- ext- ] nacl)# [ permit deny ] [ IP-Access-List-Test-Conditions ]
router(config [ std- ext- ] nacl)# no [ permit deny ] [ IP-Access-List-Test-Conditions ]
router(config [ std- ext- ] nacl)# ^z
router(config)# interface Type Port
router(config-if)# ip access-group [ACL-Name 1~199 ] [ in out ]
router(config-if)# ^z
配置DCE时钟:
router# show controllers Type Port
router(confin-if)# clock rate 64000
router(config-if)# ^z
配置PPP协议:
router(config)# username Name password Set-Password-Here
router(config)# interface Type Port
router(config-if)# encapsulation ppp
router(config-if)# ppp outhentication [ chap chap pap pap chap pap ]
router(config-if)# ppp pap sent-username Name password Password
router(config-if)# ^z
PAP单向认证配置实例:
验证方:
router-server(config)# username Client password 12345
router-server(config)# interface serial 0
router-server(config-if)# encapsulation ppp
router-server(config-if)# ppp authentication pap
router-server(config-if)# ^z
被验证方:
router-client(config-if)# encapsulation ppp
router-client(config-if)# ppp pap sent-username Client password 12345
router-client(config-if)# ^z
PAP双向认证配置实例:
路由器 A:
routerA(config)# username B password 12345
routerA(config)# interface serial 0
routerA(config-if)# encapsulation ppp
routerA(config-if)# ppp authentication pap
routerA(config-if)# ppp pap sent-username A password 54321
routerA(config-if)# ^z
路由器 B:
routerB(config)# username A password 54321
routerB(config)# interface serial 1
routerB(config-if)# encapsulation ppp
routerB(config-if)# ppp authentication pap
routerB(config-if)# ppp pap sent-username B password 12345
routerB(config-if)# ^z
CHAP单向认证配置实例:
验证方:
router-server(config)# username router-client password 12345
router-server(config)# interface serial 0
router-server(config-if)# encapsulation ppp
router-server(config-if)# ppp authentication chap
router-server(config-if)# ^z
被验证方:
router-client(config-if)# encapsulation ppp
router-client(config-if)# ppp authentication chap
router-client(config-if)# ppp chap hostname router-client
router-client(config-if)# ppp chap password 12345
router-client(config-if)# ^z
CHAP双向认证配置实例:
路由器 A:
routerA(config)# username routerB password 12345
routerA(config)# interface serial 0
routerA(config-if)# encapsulation ppp
routerA(config-if)# ppp authentication chap
routerA(config-if)# ppp chap hostname routerA
routerA(config-if)# ppp chap password 54321
routerA(config-if)# ^z
路由器 B:
routerB(config)# username routerA password 54321
routerB(config)# interface serial 1
routerB(config-if)# encapsulation ppp
routerB(config-if)# ppp authentication chap
routerB(config-if)# ppp chap hostname routerB
routerB(config-if)# ppp chap password 12345
routerB(config-if)# ^z
Telnet使用:
routerA# terminal monitor
routerA# telnet IP-Address [ Router-Name ]
routerB# [ exit logout ]
routerB# ++再按
routerA# show sessions
routerA# Connect-Number
routerA# disconnect IP-Address [ Router-Name ]
routerA# show user
routerA# clear line [ 0 1 2 3 4 ]
禁止任何Telnet到本机:
router(config)# line vty 0 4
router(config-line)# access-class ACL-Number
router(config)# ^z
设置主机名:
router(config)# hostname Set-Hostname
router(config)# ^z
router(config)# ^z
设置用户模式密码:
router(config)# line console 0
router(config-line)# login
router(config-line)# password Set-Password
router(config-line)# ^z
设置Telnet密码:
router(config)# line vty 0 4
router(config-line)# login
router(config-line)# password Set-Password
router(config-line)# ^z
设置特权模式密码:
router(config)# enable password Set-Password
router(config)# enable secret Set-Password
router(config)# ^z
给所有密码加密:
router(config)# service password-ancryption Set-Password-Here
router(config)# no service password-ancryption
router(config)# ^z
设置登录Banner:
router(config)# banner motd 分隔符 Set-Banner-InFORMation-Here 分隔符
设置接口的描述信息:
router(config-if)# description Set-Port-InFORMation-Here
router(config)# ^z
CDP的控制:
router(config-if)# cdp enable
router(config-if)# no cdp enable
router(config)# cdp run
router(config)# no cdp run
Ping的使用:
router# ping IP-Address
router# ping
Protocol :[ Protocol-Type ]
Target IP address:IP-Address
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]:y
Sweep range of sizes [n]:
Tracke的使用:
router# trace IP-Address [ Host-Name ]
为Cisco 4000路由器指定媒体类型:
router(config-if)# media-type 10baset
router(config-if)# ^z
更改路由器启动顺序:
router(config)# boot system flash IOS-FileName
router(config)# boot system tftp IOS-FileName TFTP-IP-Address
router(config)# boot system rom
router(config)# ^z
修改寄存器数值:
router(config)# config-register value
在ROM监视器中更改寄存器数值:
o/r value
路由器密码的恢复:
冷关机,然后再开机并在60秒内按+进入ROM监视器模式
o/r 0x2142 或 confreg 0x2142
router I
router n
router enable
router# copy startup-config running-config
router# configure terminal
router(config)# enable secret New-Password
router(config)# config-register 0x2102
router(config)# ^z
router# copy running-config startup-config
router# reload
配置名称-主机入口:
router(config)# ip host Set-Name [ TCP-Port-Number ] IP-Address [ IP-Address 2 ]...
router(config)# ^z
定义DNS主机:
router(config)# ip name-server Server-Address [ Server-Address 2 ]...
router(config)# ^z
禁用DNS:
router(config)# no ip domain-lookup
router(config)# ^z
配置水平分割:
router(config-if)# ip split-horizon
router(config-if)# no ip split-horizon
router(config-if)# ^z
配置静态路由:
router(config)# ip route IP-Address Subnet-Mask [ Next-Hop-Address Local-Out-Port ] [Distace ]
router(config)# ^z
配置缺省路由:
router(config)# ip defoult-network IP-Address
router(config)# ip route 0.0.0.0 0.0.0.0 [ Next-Hop-Address Local-Out-Port ] [Distace ]
router(config)# ^z
其它命令:
router# show version
router# show running-config
router# show startup-config
router# show flash
router# show interface [ Type Port ]
router# show buffers
router# show protocol
router# show mem
router# show stacks
router# show processes
router# show cdp entry [ Device-Name ]
router# show cdp neighbors
router# show cdp neighbors detail
router# show ip router
router# show ipx router
router# show host
router# show ip protocol
router# show ip interface Type Port
router# show ipx interface Type Port
router# show ipx servers
router# show ipx traffic
router# show access-lists [ ACL-Number ]
router# show isdn status
router# show dialer
router# show isdn active
router# show frame-relay pvc
router# show frame-relay map
router# show frame-relay lmi
router# erase startup-config
router# reload
router# setup
router# copy running-config startup-config
router# copy startup-config running-config
router# copy tftp running-config
router# copy running-config tftp
router# debug ipx routing activity
router# debug ipx sap
router# debug isdn q921
router# debug isdn q931
router# debug dialer
router# debug ip rip
router# clear interface bri [ 0 1 2 ]