diffServClassMapAttachCtlIndex — Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community), Edgecore MIB copies (Observium Community)
Index for attachment control. Specifies the class map as the target to relate with class map elements. The class map identified by a particular value of this index is associated with the same diffServClassMapEntry as identified by the same value of diffServClassMapIndex.