Name: Cisco Catalyst 3750-X
Brand: Cisco
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CHAPTER

26-1

Catalyst 3750-X and 3560-X Switch Software Configuration Guide

OL-21521-01

Configuring IGMP Snooping and MVR

This chapter describes how to configure Internet Group Management Protocol (IGMP) snooping on the

Catalyst 3750-X or 3560-X switch, including an application of local IGMP snooping, Multicast VLAN

gistration (MVR). It also includes procedures for controlling multicast group membership by using

IGMP filtering and procedures for configuring the IGMP throttling action. Unless otherwise noted, the

term switch refers to a Catalyst 3750-X or 3560-X standalone switch and to a Catalyst 3750-X switch

stack.

Note For IP Version 6 (IPv6) traffic, Multicast Listener Discovery (MLD) snooping performs the same

function as IGMP snooping for IPv4 traffic. For information about MLD snooping, see Chapter 27,

“Configuring IPv6 MLD Snooping.”

Note For complete syntax and usage information for the commands used in this chapter, see the switch

command reference for this release and the “IP Multicast Routing Commands” section in the Cisco IOS

IP Command Reference, Volume 3 of 3:Multicast, Release 12.2.

This chapter consists of these sections:

• Understanding IGMP Snooping, page 26-2

• Configuring IGMP Snooping, page 26-6

• Displaying IGMP Snooping Information, page 26-15

• Understanding Multicast VLAN Registration, page 26-16

• Configuring MVR, page 26-19

• Displaying MVR Information, page 26-22

• Configuring IGMP Filtering and Throttling, page 26-23

• Displaying IGMP Filtering and Throttling Configuration, page 26-28

Note You can either manage IP multicast group addresses through features such as IGMP snooping and MVR,

or you can use static IP addresses.

Cisco Catalyst 3750-X User Manual

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