CHAPTER
51-1
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
51
Configuring Multicast Services
This chapter describes how to configure Internet Group Management Protocol (IGMP) snooping, GARP
Multicast Registration Protocol (GMRP), Router-Port Group Management Protocol (RGMP), and
bidirectional protocol independent multicast (PIM) on the Catalyst 6500 series switches.
Note For complete syntax and usage information for the commands that are used in this chapter, refer to the
Catalyst 6500 Series Switch Command Reference publication.
This chapter consists of these sections:
• Understanding How Multicasting Works, page 51-1
• Configuring IGMP Snooping on the Switch, page 51-10
• Configuring GMRP on the Switch, page 51-20
• Configuring Multicast Router Ports and Group Entries on the Switch, page 51-27
• Understanding How RGMP Works, page 51-29
• Configuring RGMP on the Switch, page 51-31
• Displaying the Multicast Protocol Status, page 51-35
• Understanding How Bidirectional PIM Works, page 51-35
• Configuring Bidirectional PIM on the Switch, page 51-36
Understanding How Multicasting Works
These sections describe how multicasting works on the Catalyst 6500 series switches:
• Multicasting and Multicast Services Overview, page 51-2
• Understanding How IGMP Snooping Works, page 51-2
• Understanding How GMRP Works, page 51-6
• Understanding How RGMP Works, page 51-6
• Suppressing Multicast Traffic, page 51-7
• Rate-Limiting RPF Failure Traffic, page 51-7
• Enabling the Installation of Directly Connected Subnets, page 51-8
• Understanding IGMP Querier, page 51-8
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