vRtrPimNgGrpSrcNumInheritedOif 1.3.6.1.4.1.6527.3.1.2.50.1.9.1.25

The value of vRtrPimNgGrpSrcNumInheritedOif indicates the number of interfaces in the inherited outgoing interface list. An 'inherited' list inherits state from other types.