51-20
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 51 Configuring Multicast Services
Configuring GMRP on the Switch
Configuring GMRP on the Switch
These sections describe how to configure the GARP Multicast Registration Protocol (GMRP):
• GMRP Software Requirements, page 51-20
• Default GMRP Configuration, page 51-20
• Enabling GMRP Globally, page 51-21
• Enabling GMRP on Individual Switch Ports, page 51-21
• Disabling GMRP on Individual Switch Ports, page 51-22
• Enabling the GMRP Forward-All Option on a Switch Port, page 51-22
• Disabling the GMRP Forward-All Option on a Switch Port, page 51-23
• Configuring GMRP Registration, page 51-23
• Setting the GARP Timers, page 51-25
• Displaying GMRP Statistics, page 51-26
• Clearing GMRP Statistics, page 51-26
• Disabling GMRP Globally on the Switch, page 51-27
Note For an overview of GMRP operation, see the “Understanding How GMRP Works” section on page 51-6.
GMRP Software Requirements
GMRP requires supervisor engine software release 5.2 or later releases.
Default GMRP Configuration
Table 51-3 shows the default GMRP configuration.
Table 51-3 GMRP Default Configuration
Feature Default Value
GMRP enable state Disabled
GMRP per-port enable state Disabled
GMRP forward all Disabled on all ports
GMRP registration Normal on all ports
GARP/GMRP timers
• Join time: 200 ms
• Leave time: 600 ms
• Leaveall time: 10,000 ms
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