Service Manual

CLI Basics
This chapter describes the command line interface (CLI) structure and command modes. The Dell Networking operating software
commands are in a text-based interface that allows you to use the launch commands, change command modes, and congure interfaces
and protocols.
Topics:
Accessing the Command Line
Multiple Conguration Users
Obtaining Help
Navigating the CLI
Using the Keyword no Command
Filtering show Commands
Enabling Software Features on Devices Using a Command Option
Command Modes
Accessing the Command Line
Access the CLI through a serial console port or a Telnet session.
When the system successfully boots, enter the command line in EXEC mode.
NOTE
: You must have a password congured on a virtual terminal line before you can Telnet into the system. Therefore, you must
use a console connection when connecting to the system for the rst time.
Example
telnet 172.31.1.53
Trying 172.31.1.53...
Connected to 172.31.1.53.
Escape character is '^]'.
Login: username
Password: Dell>
After you log in to the switch, the prompt provides you with the current command-level information. For example:
Prompt
CLI Command Mode
Dell>
EXEC
Dell#
EXEC Privilege
Dell(conf)#
CONFIGURATION
NOTE: For a list of all the command mode prompts, refer to the Command Modes section.
Multiple Conguration Users
When a user enters CONFIGURATION mode and another user is already in CONFIGURATION mode, the Dell Networking operating
software generates an alert warning message similar to the following:
Dell#conf
% Warning: The following users are currently configuring the system:
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