Cisco Catalyst 2950 Command Reference Manual page 11

Preface
Audience
This guide is for the networking professional using the Cisco IOS command-line interface (CLI) to
manage the Catalyst 2950 switch, hereafter referred to as the switch. Before using this guide, you should
have experience working with the Cisco IOS and be familiar with the concepts and terminology of
Ethernet and local area networking.
Purpose
The Catalyst 2950 switch is supported by either the standard software image (SI) or the enhanced
software image (EI). The enhanced software image provides a richer set of features, including access
control lists (ACLs), enhanced quality of service (QoS) features, the Secure Shell (SSH) Protocol,
extended-range VLANs, IEEE 802.1W Rapid Spanning Tree Protocol (STP), and the IEEE 802.1S Multiple
STP.
The enhanced software image supports these switches:
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The standard software image supports these switches:
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This guide provides the information you need about the CLI commands that have been created or
changed for use with the Catalyst 2950 family of switches. For information about the standard IOS
Release 12.1 commands, refer to the 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 12.1 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 Catalyst 2950 Desktop Switch Software Configuration Guide for this release.
78-11381-05
Catalyst 2950C-24
Catalyst 2950G-12-EI
Catalyst 2950G-24-EI
Catalyst 2950G-24-EI-DC
Catalyst 2950G-48-EI
Catalyst 2950T-24
Catalyst 2950-12
Catalyst 2950-24
Catalyst 2950SX-24
Catalyst 2950 Desktop Switch Command Reference
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