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CHAPTER
23-1
Cisco Catalyst Blade Switch 3130 for Dell Software Configuration Guide
OL-13270-01
23
Configuring IGMP Snooping and MVR
This chapter describes how to configure Internet Group Management Protocol (IGMP) snooping on the
switch, including an application of local IGMP snooping, Multicast VLAN Registration (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
standalone switch and to a 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 24,
“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 23-2
• Configuring IGMP Snooping, page 23-7
• Displaying IGMP Snooping Information, page 23-16
• Understanding Multicast VLAN Registration, page 23-18
• Configuring MVR, page 23-20
• Displaying MVR Information, page 23-24
• Configuring IGMP Filtering and Throttling, page 23-24
• Displaying IGMP Filtering and Throttling Configuration, page 23-29
Note You can either manage IP multicast group addresses through features such as IGMP snooping and MVR,
or you can use static IP addresses.