Command Manual – MulticastH3C S3600 Series Ethernet Switches-Release 1510 Chapter 5 IGMP Configuration Commands5-15DescriptionUse the igmp timer query command to configure the interval at which a routerinterface sends IGMP query messages.Use the undo igmp timer query command to restore the default value.By default, a router interface transmits IGMP query messages at the interval of 60seconds.A multicast router periodically sends out IGMP query messages to attached segmentsto find hosts that belong to different multicast groups. The query interval can bemodified according to the practical conditions of the network.Related command: igmp timer other-querier-present.Example# Configure to transmit host-query messages every 150 seconds throughVLAN-interface2. system-viewSystem View: return to User View with Ctrl+Z.[H3C] interface Vlan-interface 2[H3C-Vlan-interface2] igmp timer query 1505.1.15 igmp versionSyntaxigmp version { 1 | 2 }undo igmp versionViewVLAN interface viewParameter1: Specifies IGMP Version 1.2: Specifies IGMP Version 2.DescriptionUse the igmp version command to specify the version of IGMP that a router uses.Use the undo igmp version command to restore the default value.The default IGMP version is IGMP version 2.All routers on a subnet must support the same version of IGMP. After detecting thepresence of IGMP Version 1 system, a router cannot automatically switch to Version 1.
