Cisco ios命令

一些命令

监控CPU

show processes cpu monitor

登入

telnet 不使用用户名/密码

aaa new-model
aaa authentication login default none
aaa authentication enable default none

SSH 用户名/密码

username lab priv 15 pass 0 lab
ip domain name cisco.com
crypto key generate rsa general-keys label ssh_key modulus 2048
ip ssh rsa keypair-name ssh_key
ip ssh version 2

line vty  0 20
 transport input telnet 
line vty  21 99
 transport input ssh 

• C02不起作用

crypto key generate rsa usage-keys label jifu-ssh-key modulus 768
ip ssh rsa keypair-name jifu-ssh-key 

杂七杂八

替换running config

C02#copy harddisk:qingwyan_20171204.cfg startup-config
Destination filename [startup-config]?
14198 bytes copied in 0.777 secs (18273 bytes/sec)
Router#reload
Proceed with reload? [confirm]

C02 换image

0x2的方式

telnet 80.3.1.12
C02(config)#no boot system
C02(config)#boot system harddisk:cbrsup-universalk9.BLD_POLARIS_DEV_LATEST_20171123_002433.SSA.bin
C02(config)#config-register 0x2
C02(config)#end
C02#wr