Administrator Guide

Usage
Information
Dell Networking OS provides the capability of statically configuring the interface to which a multicast
router is attached. To configure a static connection to the multicast router, enter the ip igmp
snooping mrouter interface command in the VLAN context. The interface to the router must be
a part of the VLAN where you are entering the command.
ip igmp snooping querier
Enable IGMP querier processing for the VLAN interface.
Syntax
ip igmp snooping querier
To disable IGMP querier processing for the VLAN interface, use the no ip igmp snooping querier
command.
Defaults Not configured.
Command Modes INTERFACE VLAN — (conf-if-vl-n)
Supported Modes Programmable-Mux (PMUX)
Command
History
Version Description
9.4(0.0) Supported on the FN I/O Aggregator.
9.2(0.0) Introduced on the M I/O Aggregator.
Usage
Information
This command enables the IGMP switch to send General Queries periodically. This behavior is useful when
there is no multicast router present in the VLAN because the multicast traffic is not routed. Assign an IP
address to the VLAN interface for the switch to act as a querier for this VLAN.
ip igmp version
Manually set the version of the router to IGMPv2 or IGMPv3.
Syntax
ip igmp version {2 | 3}
Parameters
2 Enter the number 2 to set the IGMP version number to IGMPv2.
3 Enter the number 3 to set the IGMP version number to IGMPv3.
Defaults 2 (that is, IGMPv2)
Command Modes INTERFACE
Supported Modes Programmable-Mux (PMUX)
Command
History
Version Description
9.4(0.0) Supported on the FN I/O Aggregator.
9.2(0.0) Introduced on the M I/O Aggregator.
show ip igmp groups
View the IGMP groups.
Syntax
show ip igmp groups [group-address [detail] | detail | interface [group-
address [detail]]]
Parameters
group-address (OPTIONAL) Enter the group address in dotted decimal format to view information
on that group only.
158 Internet Group Management Protocol (IGMP)