cdxUpInfoElemStatsTable
The table contains the attributes of a particular Information Element type for each instance of the MAC scheduler. It is indexed by upstream ifIndex. An Entry exists for each ifEntry with ifType of docsCableUpstream(129) Since each upstream has an instance of a MAC Scheduler so this table has the per MAC scheduler slot information on a per Information Element basis.
Details
Reference
Data-Over-Cable Service Interface Specifications (DOCSIS) Radio Frequency Interface Specification (SP-RFI-I05-000714) section 7.1.2