User Guide

26 Preface
320818-A
The document provides instructions for initializing and customizing the features
using the Command Line Interface (CLI). To learn the basic structure and
operation of the Nortel SNAS 4050 CLI, refer to “CLI reference” on page 803.
This reference guide provides links to where the function and syntax of each CLI
command are described in the document. For information on accessing the CLI,
see “The Command Line Interface” on page 769.
Security & Routing Element Manager (SREM) is a graphical user interface (GUI)
that runs in an online, interactive mode. SREM allows the management of
multiple devices (for example, the Nortel SNAS 4050) from one application. To
use SREM, you must have network connectivity to a management station running
SREM in one of the supported environments. For instructions on installing and
starting SREM, refer to Installing and Using the Security & Routing Element
Manager (320199-A).
Before you begin
This guide is intended for network administrators who have the following
background:
basic knowledge of networks, Ethernet bridging, and IP routing
familiarity with networking concepts and terminology
experience with windowing systems or GUIs
basic knowledge of network topologies
Before using this guide, you must complete the following procedures. For a new
switch:
1 Install the switch.
For installation instructions, see Nortel Secure Network Access Switch 4050
Installation Guide (320846-A).
2 Connect the switch to the network.
For more information, see “The Command Line Interface” on page 769.
Ensure that you are running the latest version of Nortel SNAS 4050 software. For
information about upgrading the Nortel SNAS 4050, see “Upgrading or
reinstalling the software” on page 757.