Reference Guide

Configuration Fundamentals | 31

Configuration Fundamentals

The Dell Networking OS Command Line Interface (CLI) is a text-based interface through which you can

configure interfaces and protocols. The CLI is structured in modes for security and management purposes.

Different sets of commands are available in each mode, and you can limit user access to modes using

privilege levels.

In Dell Networking OS, after a command is enabled, it is entered into the running configuration file. You

can view the current configuration for the whole system or for a particular CLI mode. To save the current

configuration copy the running configuration to another location. For more information, refer to Saving the

Running-configuration.

This chapter contains the following major sections:

• Accessing the Command Line

• CLI Modes

• Navigating CLI Modes

• Port Numbering Convention

• The do Command

• The no Command

• Obtaining Help

• Entering and Editing Commands

• Command History

• Filtering show Command Outputs

• Multiple Users in Configuration mode

Accessing the Command Line

Access the command line through a serial console port or a Telnet session as shown in the example below.

When the system successfully boots, you enter the command line in the EXEC mode.

Note: You must have a password configured 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 first time.