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NETGEAR 7000 Series Managed Switch Administration Guide Version 7.2
22-2 IGMP Querier
v1.0, May 2008
CLI Examples
Example #1: Enable IGMP Querier
Use the following CLI commands to set up the switch to generate IGMP querier packet for a
designated VLAN. The IGMP packet will be transmitted to every ports on the VLAN. The
following example enables the querier for VLAN 1. See the CLI Manual for more details about
other IGMP querier command options.
Example #2: Show IGMP Querier Status
To see the IGMP querier status, use the following command.
The command shows that the IGMP admin mode is Active. The mode is controlled by the
ip igmpsnooping command. If the mode is inactive, no query packet is sent.
(Netgear switch) #vlan database
(Netgear switch) (vlan)#ip igmp 1
(Netgear switch) (vlan)#ip igmpsnooping querier 1
(Netgear switch) (vlan)#exit
(Netgear switch) #config
(Netgear switch) (config)#ip igmpsnooping
(Netgear switch) (config)#exit
(Netgear switch) #show ip igmpsnooping querier 1
Vlan ID........................................ 1
Admin Mode..................................... Active
Query IP Address............................... 10.10.10.1
Querier Interval............................... 60
Query Packets Sent Count....................... 242