Preface; Audience; Purpose - Cisco Catalyst 3750 Command Reference Manual

Preface

Audience

This guide is for the networking professional using the Cisco IOS command-line interface (CLI) to
manage the Catalyst 3750 switch, hereafter referred to as the switch. Before using this guide, you should
have experience working with the Cisco IOS commands and the switch software features. Before using
this guide, you should have experience working with the concepts and terminology of Ethernet and local
area networking.

Purpose

The Catalyst 3750 switch is supported by either the standard multilayer image (SMI) or the enhanced
multilayer image (EMI). The SMI provides Layer 2+ features including access control lists (ACLs),
quality of service (QoS), static routing, and the Routing Information Protocol (RIP). The EMI provides
a richer set of enterprise-class features. It includes Layer 2+ features and full Layer 3 routing (IP unicast
routing, IP multicast routing, and fallback bridging). To distinguish it from the Layer 2+ static routing
and RIP, the EMI includes protocols such as the Enhanced Interior Gateway Routing Protocol (EIGRP)
and Open Shortest Path First (OSPF) Protocol.
This guide provides the information you need about the Layer 2 and Layer 3 commands that have been
created or changed for use with the Catalyst 3750 switches. For information about the standard Cisco IOS
Release 12.2 commands, refer to the Cisco IOS documentation set available from the Cisco.com home page
by selecting Service and Support > Technical Documents. On the Cisco Product Documentation home
page, select Release 12.2 from the Cisco IOS Software drop-down list.
This guide does not provide procedures for configuring your switch. For detailed configuration
procedures, refer to the software configuration guide for this release.
This guide does not describe system messages you might encounter. For more information, refer to the
system message guide for this release.
78-16181-01
Catalyst 3750 Switch Command Reference
xv