Cisco CLI Basics

Commands

Tell the system to reboot IOS:

reload

Keyboard Shortcuts

Key Function
up arrow/Ctrl+P Recently used commands (previous)
Down arrow/Ctrl+N Recently used commands (next)
Left arrow/Ctrl+B Move cursor back
Right Arrow/Ctrl+F Move cursor forward
Back Space Delete

Debug

  • Tells user details about the operation of the switch

Navigation

End or Ctrl+Z

  • Global Config > Enable Mode

Exit

  • Line or VLAN modes > Global config

Memory

RAM

  • Stores Running config

Flash Memory

  • Chip or removable memory
  • Stores Cisco IOS images
  • Default IOS location for booting
  • Store backup config files

ROM

  • Stores Bootstrap

NVRAM

  • stores initial or startup config