Cisco - Basic Settings

Save configuration as filename.cfg

Cisco-A# write memory

Cisco-A# copy running flash:filename.cfg

Cisco-A# dir flash:

Make the new config you’re the startup for next boot

Cisco-A(config)#boot config flash:interop-3a.cfg

Cisco-A# show boot

Cisco-A# more flash:filename.cfg

Cisco-A# reload

Say “No” if it asks to save the config file

To set to factory

Cisco# erase startup-config

Cisco# reload

Say “No” if it asks to save the config file

General Commands

  #(config) hostname Lab_A

  #(config) no logging console

  #(config) ip subnet-zero

  #(config) no ip domain-lookup

  #(config) no service config <-- %Error opening tftp://... (Timed out)

  The ping and traceroute escape sequence: CTRL-SHIFT-6 twice

    Set console mode password

  (config) line con 0

  (config-line)#password 123

 

  Allow ssh/telnet enable mode access

  (config)#line vty 0 4

  (config-line)#password 123

  (config)#enable password 123

 

  Show all ip's configured on box

  (config)# show ip int brief

Router interfaces

interface FastEthernet0/1

 ip address 192.168.1.3 255.255.255.0

 duplex auto

 speed auto