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IGMP Snooping Commands
ip igmp max-groups
ip igmp max-groups
Cisco 220 Series Smart Plus Switches Command Line Interface Reference Guide Release 1.0.0.x
switchxxxxxx(config)# interface gi1
switchxxxxxx(config-if)# ip igmp filter 22
To set the maximum number of IGMP groups that an interface can join or to
configure the IGMP throttling action when the maximum number of entries in the
forwarding table is reached, use the ip igmp max-groups Interface Configuration
mode command.
To set the maximum number of IGMP groups back to the default (no maximum
limit) or to return to the default throttling action (the report is dropped), use the no
form of this command.
Syntax
ip igmp max-groups
no ip igmp max-groups
ip igmp max-groups action {deny | replace}
Parameters
number
•
—The maximum number of IGMP groups that an interface can join.
•
action deny—Drops the next IGMP join report when the maximum number
of entries in the IGMP Snooping forwarding table is reached. This is the
default action.
•
action replace—Replaces the existing group with the new group for which
the IGMP report was received when the maximum number of entries in the
IGMP Snooping forwarding table is reached.
Command Mode
Interface Configuration mode
User Guidelines
You can use this command only on Layer 2 physical interfaces and on logical
EtherChannel interfaces.
Follow these guidelines when configuring the IGMP throttling action:
number
13
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