Specifications

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Configuring IP Multilayer Switching

This chapter describes how to configure your network to perform IP Multilayer Switching (MLS). This

chapter contains these sections:

• Configuring and Monitoring MLS

• Configuring NetFlow Data Export

• Multilayer Switching Configuration Examples

For a complete description of the commands in this chapter, refer to the the Cisco IOS Switching Services

Command Reference. To locate documentation of other commands that appear in this chapter, use the

command reference master index or search online.

To identify the hardware platform or software image information associated with a feature, use the

Feature Navigator on Cisco.com to search for information about the feature or refer to the software

release notes for a specific release. For more information, see the section “Identifying Supported

Platforms” in the chapter “Using Cisco IOS Software.”

Note The information in this chapter is a brief summary of the information contained in the Catalyst 5000

Series Multilayer Switching User Guide. The commands and configurations described in this guide apply

only to the devices that provide routing services. Commands and configurations for Catalyst 5000 series

switches are documented in the Catalyst 5000 Series Multilayer Switching User Guide. For

configuration information for the Catalyst 6000 series switch, see Configuring and Troubleshooting IP

MLS on Catalyst 6000 with an MSFC or the “Configuring IP Multilayer Switching” chapter in the

Catalyst 6500 Series MSFC (12.x) & PFC Configuration Guide.

Configuring and Monitoring MLS

To configure your Cisco router for MLS, perform the tasks described in the following sections. The first

section contains a required task; the remaining tasks are optional. To ensure a successful MLS

configuration, you must also configure the Catalyst switches in your network. For a full description for

the Catalyst 5000 series, see the Catalyst 5000 Series Multilayer Switching User Guide. For a full

description for the Catalyst 6000 series, see the “Configuring IP Multilayer Switching” chapter in the

Catalyst 6500 Series MSFC (12.x) & PFC Configuration Guide. Only configuration tasks and commands

for routers are described in this chapter.