This object is used to establish a default value for all
instances of the cimrMsuProcOverloadedThreshold object in the
cimrMsuProcTable table. The value for this object must be
greater than the values specified by
cimrMsuRateAcceptableThreshold and
cimrMsuRateWarningThreshold objects. All changes to
this threshold will take effect at the end of the current
interval.