vRtrPimNgAFGenMdtDefGrpAddrType 1.3.6.1.4.1.6527.3.1.2.50.1.4.1.21

The value of vRtrPimNgAFGenMdtDefGrpAddrType specifies the type of default core group address of the Multicast Distribution Tree(MDT) for the VPRN instance.