Cisco Catalyst 4500 Series Configuration Manual page 373

Chapter 2
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.
Syntax Description
number
Command Default
No maximum limit.
Command Modes Interface configuration mode
Command History Release
12.1(11b)EW
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
The following 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)
ip igmp max-groups number
no ip igmp max-groups
Maximum number of IGMP groups that an interface can join; valid values are from 0 to
4294967294.
Modification
This command was introduced on the Catalyst 4500 series switch.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
ip igmp max-groups
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