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
ip igmp max-groups
ip igmp max-groups
To set the maximum number of IGMP groups that a Layer 2 interface can join, use the ip igmp
max-groups command. To set the maximum back to the default, use the no form of this command.
ip igmp max-groups number
no ip igmp max-groups
Syntax Description
Defaults No maximum limit.
Command Modes Interface configuration mode
Command History
Usage Guidelines You can use the ip igmp max-groups command only on Layer 2 physical interfaces; you cannot set the
IGMP maximum groups for the routed ports, the switch virtual interfaces (SVIs), or the ports that belong
to an EtherChannel group.
Examples This example shows how to limit the number of IGMP groups that an interface can join to 25:
Switch(config)# interface gigabitethernet1/1
Switch(config-if)# ip igmp max-groups 25
Switch(config-if)
number Maximum number of IGMP groups that an interface can join; valid values are from 0 to
4294967294.
Release Modification
12.1(11b)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