Cisco IOS Cheat sheet, Schemes and Mind Maps of History

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Cisco IOS Cheat sheet

Some information about the Cisco IOS command line

IOS has built-in help

• “?” Will show you command line completions
• “show ?” gives you a list of show commands

Editing the configuration

• Must be in “enable” mode
• Command is “configuration terminal”
• “conf t” is enough typing
• Prompt will change to Router(config)#
• Use “exit” to escape
• There are other configuration modes but we don’t need them for the labs

Multiple levels

• Some configuration commands take you down levels
• For example if you configure an interface
• “exit” will drop you out one level at a time
• “end” will take you direct to “enable” mode

Editing the command line

• There is a limited about of CLI history stored in each mode
• Use the arrow keys
  • Up/down recall old commands
  • Left/right move around in the command
• Tab will try to complete the word

Command NOT to use

• Do not be tempted by the “reload” command
• It will NOT reboot your router it will hang it instead