vRtrPimNgGenStatRxCtrlPduIfDrops 1.3.6.1.4.1.6527.3.1.2.50.1.15.1.21

The value of vRtrPimNgGenStatRxCtrlPduIfDrops indicates the number of control PDU drops on an interface which is operationally down or on an interface on which PIM is not enabled.