计算机四级网络工程师考试知识第二章

1、保存配置

Router # write memory

Router # write network tftp

2、删除配置

Router # write erase

3、基本检测命令(telnet、ping、trace)

Router > telnet paris/222.34.27.1

Router > ping 182.105.130.110

Router > trace 137.189.11.73

Router > traceroute www.cisco.com

4、查看flash、系统时钟、软硬件版本、路由器配置、查看路由表、IP路由协议的详细信息

Router > show flash

Router > sh clock

Router > sh version

Router # sh configuration

Router # sh ip route

Router # sh ip protocols

5、配置接口描述信息

Router (config-if) # description To-BeiJing Foreign Studies University

6、配置接口带宽

Router (config-if) # bandwidth 2500,000

7、配置接口的'IP地址

Router (config-if) # ip address 202.112.7.249 255.255.255.252

8、接口的开启与关闭

Router (config-if) # shutdown/no shutdown

9、不作ARP代理

Router (config-if) # duplex ful

l# no ip directed-broadcast

# no ip proxy-arp

10、配置异步串行接口

Router (config) # interface a1

Router (config-if) # ip unnumbered ethernet0

Router (config-if) # encapsulation ppp

Router (config-if) # async default ip address 202.112.7.129

Router (config-if) # async dynamic routing

Router (config-if) # async mode interactive

Router (config-if) # no shutdown

Router (config-if) # exit

Router (config) # exit

Router (config) #