diffServPolicyMapElementMeterIndex — Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community), Edgecore official enterprise switch MIBs, Edgecore MIB copies (Observium Community)
Specifies the meter binding to this entry. The meter identified by a particular value of this index is associated with the same diffServMeterEntry as identified by the same value of diffServMeterIndex. If this value is zero, no associated meter will be associated, as zero is not a valid meter index.