ip igmp querier
Specifies that the interface will act as a querier when you configure IGMPv1 on an interface; this is the default behavior. The no version specifies that this interface will not issue query packets.
NOTE: This command is valid only for interfaces on configured with IGMPv1.
[ no ] ip igmp querier
Interface Configuration, Profile Configuration
Release Information Command introduced before JUNOSe Release 7.1.0.