51-27
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 51 Configuring Multicast Services
Configuring Multicast Router Ports and Group Entries on the Switch
This example shows how to clear the GMRP statistics for all VLANs:
Console> (enable) clear gmrp statistics all
Console> (enable)
Disabling GMRP Globally on the Switch
To disable GMRP globally on the switch, perform this task in privileged mode:
This example shows how to disable GMRP globally on the switch:
Console> (enable) set gmrp disable
GMRP disabled.
Console> (enable)
Configuring Multicast Router Ports and Group Entries on the
Switch
These sections describe how to specify the multicast router ports manually and configure the multicast
group entries:
• Specifying Multicast Router Ports, page 51-27
• Configuring Multicast Groups, page 51-28
• Clearing Multicast Router Ports, page 51-29
• Clearing Multicast Group Entries, page 51-29
Specifying Multicast Router Ports
When you enable IGMP snooping, the switch automatically learns to which ports a multicast router is
connected. However, you can manually specify the multicast router ports.
To specify the multicast router ports manually, perform this task in privileged mode:
Task Command
Disable GMRP globally on the switch. set gmrp disable
Task Command
Step 1
Manually specify a multicast router port. set multicast router mod/port
Step 2
Verify the configuration. show multicast router [igmp | rgmp][mod/port]
[vlan_id]
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