Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
clear ip igmp group
clear ip igmp group
To delete the IGMP group cache entries, use the clear ip igmp group command.
clear ip igmp group [{fastethernet mod/port} | {GigabitEthernet mod/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 mode
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 the entries from the IGMP cache, enter the clear ip igmp group command with no
arguments.
Examples This example shows how to clear the entries for a specific group from the IGMP cache:
Switch# clear ip igmp group 224.0.255.1
Switch#
fastethernet (Optional) Specifies the Fast Ethernet interface.
mod/port (Optional) Number of the module 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.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E