ctIGMPVlanVersion 1.3.6.1.4.1.52.4.1.3.5.1.2.1.4

The version of IGMP which is running on this Vlan. This object can be used to configure a switch capable of either value. For IGMP to function correctly, all and routers on a Vlan must be configured to run the same version of IGMP on that Vlan.