Chapter 15
Configuring Multicast Services
IGMP Multicast Filter Activation
IGMP multicast filters associate with each physical switch port.
The following sections show configurations for controlling IGMP multicast filter activation/deactivation
on the switch.
Enabling and Verifying IGMP Multicast Filtering
To enable IGMP traffic filtering on the switch, perform this task in privileged mode:
Task
Step 1
Enable IGMP filtering.
Step 2
Verify the configuration.
This example shows how to enable IGMP multicast filtering:
Console> (enable) set igmp filter enable
igmp filter set to enable
Console> (enable)
This example shows how to verify the enable configuration status of IGMP multicast filtering on the
switch:
Console> (enable) show igmp filter
igmp filter is enabled
Console> (enable)
Disabling and Verifying IGMP Multicast Filtering
To disable IGMP traffic filtering on the switch, perform this task in privileged mode:
Step 1
Disable IGMP filtering.
Step 2
Verify the configuration.
This example shows how to disable IGMP multicast filtering:
Console> (enable) set igmp filter disable
igmp filter set to disable
Console> (enable)
This example shows how to verify the disable configuration status of IGMP multicast filtering:
Console> (enable) show igmp filter
igmp filter is disabled
Console> (enable)
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Command
set igmp filter enable
show igmp filter
set igmp filter disable
show igmp filter
Filtering IGMP Traffic
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