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The following example shows the IGMP configuration for VLAN 1, as well as the
device currently serving as the IGMP querier for this multicast service.
clear ip igmp group
This command deletes entries from the IGMP cache.
Syntax
clear ip igmp group [group-address | interface vlan vlan-id]
• group-address - IP address of the multicast group.
• vlan-id - VLAN ID (Range: 1-4094)
Default Setting
Deletes all entries in the cache if no options are selected.
Command Mode
Privileged Exec
Command Usage
Enter the address for a multicast group to delete all entries for the specified
group. Enter the interface option to delete all multicast groups for the specified
interface. Enter no options to clear all multicast groups from the cache.
Example
The following example clears all multicast group entries for VLAN 1:
show ip igmp groups
This command displays information on multicast groups active on this switch.
Syntax
show ip igmp groups [group-address | interface vlan vlan-id]
• group-address - IP address of the multicast group.
• vlan-id - VLAN ID (Range: 1-4094)
Default Setting
Displays information for all known groups.
Command Mode
Normal Exec, Privileged Exec
Console#show ip igmp interface vlan 1
Vlan 1 is up
IGMP is enable, version is 2
Robustness variable is 2
Query interval is 125 sec
Query Max Response Time is 10 sec, Last Member Query Interval is 1 sec
Querier is 10.1.0.253
Console#
Console#clear ip igmp group interface vlan 1
Console#