Allied-telesis AT 8000/8POE User Manual download pdf (Page 332)

Chapter 32: Getting Started with the Command Line Interface

332 Section III: Using the Command Line Interface

CLI Command Modes Introduction

The Command Line interface in the AT-S81 software is accessible from

the Main Menu. The commands offer the same functionality as the Menu

interface. For instructions on how to access the command line interface,

see “Starting the Command Line Interface” on page 342. This chapter

describes the CLI command modes and how to access the command line

interface. In addition, it provides command formatting information.

In the AT-S81 software, there is a hierarchy of commands which are called

command modes. There are five command modes:

 User EXEC

 Privileged EXEC

 Global Configuration

 Interface Configuration

 VLAN Configuration

When you enter the CLI interface, you access the User EXEC command

mode automatically. This is the first command mode level and it allows you

access to the basic switch commands. Each command mode contains a

subset of commands that are available within that mode only. As a result,

you enter commands according to which command mode you have

accessed. For example, port-specific commands are available from the

Interface Configuration mode.

You must access the first three command modes (User EXEC, Privilege

EXEC, and Global Configuration modes) in the order that they are listed.

You can access both the Interface Configuration and VLAN Configuration

modes from the Global Configuration mode. The AT-S81 prompt changes

to indicate which mode you are accessing.

To access the Privilege EXEC, Global Configuration, Interface, and VLAN

Configuration modes, you must enter a specific command that permits

entry to a new mode. Each time you change modes, the prompt changes

to indicate the mode. See Table 11 on page 333 for information about the

commands used to access the modes and their respective prompts. In

addition, there are commands that allow you to move between the modes

and return to the Main Menu. For example, typing the EXIT command

when you are in the Interface Configuration mode returns you to the

Global Configuration mode. From all the command modes, the LOGOUT

command exits the command line interface and returns you to the Main

Menu.

If you enter a command that is not accessible in a particular command

mode, the software displays a “command not found” message. For

example, you can enter the SHOW SNMP command from the Privileged

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Allied-telesis AT 8000/8POE User Manual Page 332