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debug ip igmp
Enable debugging of IGMP packets.
Syntax
debug ip igmp [group address | interface]
To disable IGMP debugging, enter the no ip igmp command. To disable all debugging, enter the
undebug all command.
Defaults Disabled
Parameters
group-address (OPTIONAL) Enter the IP multicast group address in dotted decimal format.
interface (OPTIONAL) Enter the interface type and slot/port information:
For a VLAN interface enter the keyword vlan followed by a number from 1 to 4094.
Command Modes EXEC Privilege
Supported Modes All Modes
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
8.3.17.0 Supported on the M I/O Aggregator.
ip igmp access-group
To specify access control for packets, use this feature.
Syntax
ip igmp access-group access-list
To remove the feature, use the no ip igmp access-group access-list command.
Parameters
access-list Enter the name of the extended ACL (16 characters maximum).
Defaults Not configured
Command Modes INTERFACE (conf-if-interface-slot/port)
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The access list accepted is an extended ACL. To block IGMP reports from hosts, on a per-interface basis
based on the group address and source address that you specify in the access list, use this feature.
ip igmp group-join-limit
To limit the number of IGMP groups that can be joined in a second, use this feature.
Syntax
ip igmp group-join-limit number
Parameters
number Enter the number of IGMP groups permitted to join in a second. The range is from 1
to 10000.
Internet Group Management Protocol (IGMP) 471