Catalyst 4500 Series Switch Cisco IOS Software Configuration Guide, 12.2(37)SG
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Table Of Contents




Related Documentation

Software Documentation


Commands in Task Tables

Obtaining Documentation, Obtaining Support, and Security Guidelines


This preface describes who should read this document, how it is organized, and its conventions. The preface 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

Administering the Switch

Describes how to administer the switch.

Chapter 5

Configuring the Cisco IOS In Service Software Upgrade Process

Describes how to configure ISSU on the switch.

Chapter 6

Configuring Interfaces

Describes how to configure non-layer-specific features on Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet interfaces

Chapter 7

Checking Port Status and Connectivity

Describes how to check module and interface status

Chapter 8

Configuring Supervisor Engine Redundancy Using RPR and SSO

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

Chapter 9

Configuring Cisco NSF with SSO Supervisor Engine Redundancy

Describes how to configure supervisor engine redundancy using Cisco nonstop forwarding (NSF) with stateful switchover (SSO).

Chapter 10

Environmental Monitoring and Power Management

Describes how to configure power management and environmental monitoring features

Chapter 11

Configuring Power over Ethernet

Describes how to configure Power over Ethernet (PoE)

Chapter 12

Configuring the Catalyst 4500 Series Switch with Cisco Network Assistant

Describes how to install and configure Network Assistant and Embedded CiscoView

Chapter 13

Configuring VLANs, VTP, and VMPS

Describes how to configure VLANs, VTP, and VMPS.

Chapter 14

Configuring IP Unnumbered Interface

Describes how to configure IP Unnumbered support.

Chapter 15

Configuring Layer 2 Ethernet Interfaces

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

Chapter 16

Configuring SmartPort Macros

Describes how to configure SmartPort macros

Chapter 17

Configuring STP and MST

Describes how to configure the Spanning Tree Protocol (STP) and the Multiple Spanning Tree (MST) protocol and explains how they work.

Chapter 18

Configuring Optional STP Features

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

Chapter 19

Configuring EtherChannel

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

Chapter 20

Configuring IGMP Snooping and Filtering

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

Chapter 21

Configuring 802.1Q and Layer 2 Protocol Tunneling

Describes how to configure 802.1Q and Layer 2 protocol Tunneling

Chapter 22

Configuring CDP

Describes how to configure the Cisco Discovery Protocol (CDP)

Chapter 23

Configuring UDLD

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

Chapter 24

Configuring Unidirectional Ethernet

Describes how to configure unidirectional Ethernet

Chapter 25

Configuring Layer 3 Interfaces

Describes how to configure interfaces to support Layer 3 features

Chapter 26

Configuring Cisco Express Forwarding

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

Chapter 27

Configuring IP Multicast

Describes how to configure IP Multicast Multilayer Switching (MMLS)

Chapter 28

Configuring Policy-Based Routing

Describes how to configure policy-based routing

Chapter 29

Configuring VRF-lite

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

Chapter 30

Configuring Quality of Service

Describes how to configure quality of service (QoS).

Chapter 31

Configuring Voice Interfaces

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

Chapter 32

Configuring 802.1X Port-Based Authentication

Describes how to configure 802.1X port-based authentication

Chapter 33

Configuring Port Security

Describes how to configure port security and trunk port security.

Chapter 34

Configuring Control Plane Policing

Describes how to protect your Catalyst 4500 series switch using control plane policing (CoPP).

Chapter 35

Configuring DHCP Snooping, IP Source Guard, and IPSG for Static Hosts

Describes how to configure DHCP snooping and IP Source Guard

Chapter 36

Configuring Dynamic ARP Inspection

Describes how to configure Dynamic ARP Inspection

Chapter 37

Configuring Network Security with ACLs

Describes how to configure ACLS, VACLs, and MACLs

Chapter 38

Configuring Private VLANs

Describes how to set up and modify private VLANs

Chapter 39

Port Unicast and Multicast Flood Blocking

Describes how to configure unicast flood blocking

Chapter 40

Configuring Storm Control

Describes how to configure storm control suppression

Chapter 41

Configuring SPAN and RSPAN

Describes how to configure the Switched Port Analyzer (SPAN)

Chapter 42

Configuring System Message Logging

Describes how to configure system message logging.

Chapter 43

Configuring SNMP

Describes how to configure the Simple Network Management Protocol (SNMP).

Chapter 44

Configuring NetFlow

Describes how to configure NetFlow statistics gathering

Chapter 45

Configuring RMON

Describes how to configure Remote Network Monitoring (RMON).

Chapter 46

Performing Diagnostics

Describes vaious types of diagnostics on the Catalyst 4500 series switch.

Chapter 47

Configuring WCCP Version 2 Services

Describes how to configure the Catalyst 4500 series switches to redirect traffic to cache engines (web caches) using the Web Cache Communication Protocol (WCCP), and describes how to manage cache engine clusters (cache farms).

Chapter 48

Configuring MIB Support

Describes how to configure configure SNMP and MIB support.

Chapter 49

Troubleshooting the Catalyst 4500 Series Switch

Describes how to troubleshooting the switch.

Chapter 50

ROM Monitor

Describes the ROM Monitor.

Appendix A

Acronyms and Abbreviations

Defines acronyms and abbreviations used in this book

Related Documentation

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

Catalyst 4500 Series Switch Documentation Home

Catalyst 4500 Series Switches Installation Guide (DOC-7814409=)

Catalyst 4500 Series Module Installation Guide (DOC-786444=)

Catalyst 4500 Series Regulatory Compliance and Safety Information (DOC-7813233=)

Installation notes for specific supervisor engines or for accessory hardware are available at:

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

For information about MIBs, refer to

Software Documentation

The abilities of your switch and the modules supported depend greatly on the software you have installed. Each software release typically has each of the following:

The release note appropriate to your software version. Release notes are at:

The software configuration guide appropriate to your software version. Software configuration guides are at:

The command reference appropriate to your software version. Command references are at:

The system message guide appropriate to your software version. System message guides are at:

You may want to bookmark the guides appropriate to your software release.

For information about MIBs, go to the following URL:


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, Obtaining Support, and Security Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: