DATA SDUS RECEIVED Support: All Number of data NSDUs delivered across Transport interface after reassembly. ERROR REPORTS RECEIVED Support: All Number of error report PDUs delivered across Transport interface. EXPIRED SEGMENTS DISCARDED Support: All Number of segments discarded because lifetime expired during reassembly. IP PACKETS REASSEMBLED Support: IP Number of IP packets that have been successfully reassembled from fragments. SDUS TRANSMITTED Support: All Number of data NSDUs requested for transmission across Transport interface. SEGMENTS DISCARDED Support: All Number of segments data- or error-report discarded before delivery across the Transport interface, including segments discarded for any reason other than lifetime expiration during reassembly. SEGMENTS RECEIVED Support: All Number of data- and error-report NPDUs received before reassembly.