This object configures the high end of the VPI range for an SVC aggregate, which must be less than or equal to the containing resource partition's cwRsrcPartVpiHigh, and the MIB notes that if this equals cwRsrcSvcAggrVpiLow, only a single VSI is allocated for the aggregate. An administrator uses this to bound the upper end of the SVC aggregate's VPI range within its parent resource partition. For example, setting this equal to cwRsrcSvcAggrVpiLow would configure the SVC aggregate to use just one VPI and therefore just one VSI instance.