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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
clear ip igmp group
clear ip igmp group
To delete IGMP group cache entries, use the clear ip igmp group command.
clear ip igmp group [{fastethernet slot/port} | {GigabitEthernet slot/port} | {host_name |
group_address} {Loopback interface_number} | {null interface_number} |
{port-channel number} | {vlan vlan_id}]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC
Command History
Usage Guidelines The IGMP cache contains a list of the multicast groups of which hosts on the directly connected LAN
are members.
To delete all entries from the IGMP cache, enter the clear ip igmp group command with no arguments.
Examples This example shows how to clear entries for a specific group from the IGMP cache:
Switch# clear ip igmp group 224.0.255.1
Switch#
This example shows how to clear IGMP group cache entries from a specific interface:
Switch# clear ip igmp group gigabitethernet 2/2
Switch#
fastethernet (Optional) Specifies the Fast Ethernet interface.
slot/port (Optional) Number of the slot and port.
GigabitEthernet (Optional) Specifies the Gigabit Ethernet interface.
host_name (Optional) Hostname, as defined in the DNS hosts table or with the
ip host command.
group_address (Optional) Address of the multicast group in four-part, dotted
notation.
Loopback interface_number (Optional) Specifies the loopback interface; valid values are from 0
to 2,147,483,647.
null interface_number (Optional) Specifies the null interface; the valid value is 0.
port-channel number (Optional) Specifies the channel interface; valid values are from 1 to
64.
vlan vlan_id (Optional) Specifies the VLAN; valid values are from 1 to 4094.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
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