Catalyst 4500 Series Switch Cisco IOS Software Configuration Guide, 12.2(20)EW
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Table Of Contents




Related Documentation


Commands in Task Tables

Obtaining Documentation and Submitting a Service Request


This preface describes who should read this document, how it is organized, and its conventions. The book also tells you how to obtain Cisco documents as well as how to obtain technical assistance.


This guide is for experienced network administrators who are responsible for configuring and maintaining Catalyst 4500 series switches.


This guide is organized into the following chapters:


Chapter 1

Product Overview

Presents an overview of the Cisco IOS software for the Catalyst 4500 series switches

Chapter 2

Command-Line Interfaces

Describes how to use the CLI

Chapter 3

Configuring the Switch for the First Time

Describes how to perform a baseline configuration of the switch

Chapter 4

Configuring Interfaces

Describes how to configure non-layer-specific features on Fast Ethernet and Gigabit Ethernet interfaces

Chapter 5

Checking Port Status and Connectivity

Describes how to check module and interface status

Chapter 6

Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510R Switches

Describes how to configure RPR on the Catalyst 4507R and Catalyst 4510R switches.

Chapter 7

Understanding and Configuring VLANs

Describes how to set up and modify VLANs

Chapter 8

Configuring Dynamic VLAN Membership

Describes how to configure dynamic VLAN membership

Chapter 9

Configuring Layer 2 Ethernet Interfaces

Describes how to configure interfaces to support Layer 2 features, including VLAN trunks

Chapter 10

Configuring SmartPort Macros

Describes how to configure SmartPort macros

Chapter 11

Understanding and Configuring STP

Describes how to configure the Spanning Tree Protocol (STP) and explains how spanning tree works

Chapter 12

Configuring STP Features

Describes how to configure the spanning-tree PortFast, UplinkFast, BackboneFast, and other STP features

Chapter 13

Understanding and Configuring Multiple Spanning Trees

Describes how to configure the Multiple Spanning Tree (MST) protocol and explains how it works

Chapter 14

Understanding and Configuring EtherChannel

Describes how to configure Layer 2 and Layer 3 EtherChannel port bundles

Chapter 15

Configuring IGMP Snooping and Filtering

Describes how to configure Internet Group Management Protocol (IGMP) snooping

Chapter 16

Configuring 802.1Q and Layer 2 Protocol Tunneling

Describes how to configure 802.1Q and Layer 2 protocol Tunneling

Chapter 17

Understanding and Configuring CDP

Describes how to configure the Cisco Discovery Protocol (CDP)

Chapter 18

Configuring UDLD

Describes how to configure the UniDirectional Link Detection (UDLD) protocol

Chapter 19

Configuring Unidirectional Ethernet

Describes how to configure unidirectional Ethernet

Chapter 20

Configuring Layer 3 Interfaces

Describes how to configure interfaces to support Layer 3 features

Chapter 21

Configuring Cisco Express Forwarding

Describes how to configure Cisco Express Forwarding (CEF) for IP unicast traffic

Chapter 22

Understanding and Configuring IP Multicast

Describes how to configure IP Multicast Multilayer Switching (MMLS)

Chapter 23

Configuring Policy-Based Routing

Describes how to configure policy-based routing

Chapter 24

Understanding and Configuring VTP

Describes how to configure the VLAN Trunking Protocol

Chapter 25

Configuring VRF-lite

Describes how to configure multiple VPN routing/forwarding (multi-VRF) instances in customer edge (CE) devices

Chapter 26

Configuring QoS

Describes how to configure quality of service (QoS)

Chapter 27

Configuring Voice Interfaces

Describes how to configure multi-VLAN access ports for use with Cisco IP phones

Chapter 28

Understanding and Configuring 802.1X Port-Based Authentication

Describes how to configure 802.1x port-based authentication

Chapter 29

Configuring Port Security

Describes how to configure the port security feature

Chapter 30

Configuring DHCP Snooping and IP Source Guard

Describes how to configure DHCP snooping and display DHCP snooping information

Chapter 31

Understanding and Configuring Dynamic ARP Inspection

Describes how to configure Dynamic ARP Inspection

Chapter 32

Configuring Network Security with ACLs

Describes how to configure ACLS, VACLs, and MACLs

Chapter 33

Configuring Private VLANs

Describes how to set up and modify private VLANs

Chapter 34

Port Unicast and Multicast Flood Blocking

Describes how to configure unicast flood blocking on the Catalyst 4000 family switches

Chapter 35

Configuring Port-Based Traffic Control

Describes how to configure storm control suppression on the Catalyst 4500 series switches

Chapter 36

Environmental Monitoring and Power Management

Describes how to configure environmental monitoring, power redundancy, and inline power features

Chapter 37

Configuring SPAN and RSPAN

Describes how to configure the Switched Port Analyzer (SPAN)

Chapter 38

Configuring NetFlow Statistics Collection

Describes how to configure NetFlow statistics gathering

Appendix A


Defines acronyms used in this book

Related Documentation

The following publications are available for the Catalyst 4000 family and Catalyst 4500 series switches:

Catalyst 4000 Series Switch Cisco IOS Installation Guide

Catalyst 4500 Series Switch Cisco IOS Installation Guide

Catalyst 4500 Series Switch Cisco IOS Module Installation Guide

Catalyst 4500 Series Switch Cisco IOS Command Reference

Catalyst 4500 Series Switch Cisco IOS System Message Guide

Release Notes for the Catalyst 4500 Series

Cisco IOS configuration guides and command references—Use these publications to help you configure Cisco IOS software features not described in the preceding publications:

Configuration Fundamentals Configuration Guide

Configuration Fundamentals Command Reference

Interface Configuration Guide

Interface Command Reference

Network Protocols Configuration Guide, Part 1, 2, and 3

Network Protocols Command Reference, Part 1, 2, and 3

Security Configuration Guide

Security Command Reference

Switching Services Configuration Guide

Switching Services Command Reference

Voice, Video, and Fax Applications Configuration Guide

Voice, Video, and Fax Applications Command Reference

Cisco IOS IP Configuration Guide

Cisco IOS IP Command Reference


This document uses the following typographical conventions:


boldface font

Commands, command options, and keywords are in boldface.

italic font

Command arguments for which you supply values are in italics.

[   ]

Command elements in square brackets are optional.

{ x | y | z }

Alternative keywords in command lines are grouped in braces and separated by vertical bars.

[ x | y | z ]

Optional alternative keywords are grouped in brackets and separated by vertical bars.


A nonquoted set of characters. Do not use quotation marks around the string because the string will include the quotation marks.

screen font

System displays are in screen font.

boldface screen font

Information you must enter verbatim is in boldface screen font.

italic screen font

Arguments for which you supply values are in italic screen font.


This pointer highlights an important line of text in an example.


Represents the key labeled Control—for example, the key combination ^D in a screen display means hold down the Control key while you press the D key.

<   >

Nonprinting characters such as passwords are in angle brackets.

Notes use the following conventions:

Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the publication.

Cautions use the following conventions:

Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

Commands in Task Tables

Commands listed in task tables show only the relevant information for completing the task and not all available options for the command. For a complete description of a command, refer to the command in the Catalyst 4500 Series Switch Cisco IOS Command Reference.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS Version 2.0.