Basic IOS Command Structure

In this article we will discuss Basic IOS Command Structure, will make brief discussion on Basic IOS Command Structure, In last article we discuss about Primary Command Modes.

A Cisco IOS device supports many commands. Each IOS command has a specific format or syntax and can only be executed in the appropriate mode. The general syntax for a command is the command followed by any appropriate keywords and arguments.

  • Keyword – a specific parameter defined in the operating system (in the figure, ip protocols)
  • Argument – not predefined; a value or variable defined by the user (in the figure, 192.168.10.5)

After entering each complete command, including any keywords and arguments, press the Enter key to submit the command to the command interpreter.

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