INTNUMInterval number: The nth sample database interval based on the start time specified in the Create Performance Data (CRTPFRDTA) command.PD (5,0)DTETIMInterval date (yymmdd) and time (hhmmss): The date and time of the sample interval.C (12)INTSECElapsed interval seconds: The number of seconds since the last sample interval.PD (7,0)IOPRNIOP resource name.C(10)ETIOPIReservedC (1)ETTYPEThe resource type of the IOP or adapter represented by this record.C (4)ETLLNDLine description: The name of the description for this line.C (10)ETLLSPLine speed: The line speed expressed in bits per second (bps). For some lines, this value might change as time progresses.PD (11,0)ETLTFTTotal number of Type II frames transmitted.PD (11,0)ETLTFRTotal number of Type II frames received.PD (11,0)ETLIFTTotal number of I-frames transmitted.PD (11,0)ETLIFRTotal number of I-frames received.PD (11,0)ETLICTTotal number of characters transmitted in all I-frames.PD (11,0)ETLICRTotal number of characters received in all I-frames.PD (11,0)ETLPRCLProtocol type: T for Ethernet.C (1)ETLRFTNumber of receive-not-ready frames transmitted.PD (5,0)ETLRFRNumber of receive-not-ready frames received.PD (5,0)ETLFFTNumber of frame-reject frames transmitted.PD (5,0)ETLFFRNumber of frame-reject frames received.PD (5,0)ETLRJRNumber of reject frames received.PD (5,0)ETLRJTNumber of reject frames transmitted.PD (5,0)ETLSFTNumber of set asynchronous balanced mode extended frames transmitted.PD (5,0)ETLSFRNumber of set asynchronous balanced mode extended frames received.PD (5,0)ETLDFTNumber of disconnect frames transmitted.PD (5,0)ETLDFRNumber of disconnect frames received.PD (5,0)ETLDMTNumber of disconnect mode frames transmitted.PD (5,0)ETLDMRNumber of disconnect mode frames received.PD (5,0)ETLN2RN2 retries end count: This count is updated when the host has attempted to contact a station n times and n times the T1 timer ended before the station responded.PD (5,0)ETLT1TT1 timer end count: Number of times the T1 timer ended. This count is updated when the host has attempted to contact a station n times and n times the T1 timer ended before the station responded.PD (5,0)ETLTITNumber of times the TI timer (Inactivity Timer) expired. This count is updated when the host has attempted to contact a station n times and n times the T1 timer ended before the station responded.PD (5,0)ETLFRTNumber of times I-frame retransmission occurred.PD (11,0)ETLBRTI frame bytes transmitted again.PD (11,0)ETLLBCLocal busy count: Number of times station entered local busy substate.PD (5,0)ETMFTGFrames transmitted without error. This field does not apply to LAN emulation over ATM.PD (11,0)ETMFRGFrames received without error. This field does not apply to LAN emulation over ATM.PD (11,0)ETMIFMInbound frames missed: A receiver buffer error or a missed frame was detected by the IOA. This field does not apply to LAN emulation over ATM.PD (5,0)ETMCRECRC error: Checksum errors detected by the receiver. This field does not apply to LAN emulation over ATM.PD (5,0)ETMEXRMore than 16 retries: Frame unsuccessfully transmitted due to excessive retries. This field does not apply to LAN emulation over ATM.PD (11,0)ETMOWCOut of window collisions: Collision occurred after slot time of channel elapsed. This field does not apply to LAN emulation over ATM.PD (5,0)ETMALEAlignment error: Inbound frame contained non-integer number of bytes and a CRC error. This field does not apply to LAN emulation over ATM.PD (5,0)ETMCRLCarrier loss: Carrier input to the chipset on the IO adapters is false during transmission. This field does not apply to LAN emulation over ATM.PD (5,0)ETMTDRTime-domain reflectometry: Counter used to approximate distance to a cable fault. This value is associated with the last occurrence of more than 16 retries. This field does not apply to LAN emulation over ATM.PD (5,0)ETMRBEReceive buffer errors: A silo overflow occurred on receiving a frame. This field does not apply to LAN emulation over ATM.PD (5,0)ETMSPISpurious interrupts: An interrupt was received but could not be decoded into a recognizable interrupt. This field does not apply to LAN emulation over ATM.PD (5,0)ETMDIFDiscarded inbound frames: Receiver discarded frame due to lack of AIF entries. This field does not apply to LAN emulation over ATM.PD (11,0)ETMROVReceive overruns: Receiver has lost all or part of an incoming frame due to buffer shortage. This field does not apply to LAN emulation over ATM.PD (5,0)ETMMEEMemory error: The chipset on the IO adapters is the bus master and did not receive ready signal within 25.6 usecs of asserting the address on the DAL** lines. This field does not apply to LAN emulation over ATM.PD (5,0)ETMIOVInterrupt overrun: Interrupt not processed due to lack of status queue entries. This field does not apply to LAN emulation over ATM.PD (5,0)ETMTUNTransmit underflow: Transmitter has truncated a message due to data late from memory. This field does not apply to LAN emulation over ATM.PD (5,0)ETMBBEBabble errors: Transmitter exceeded maximum allowable time on channel. This field does not apply to LAN emulation over ATM.PD (5,0)ETMSQESignal quality error: Signal indicating the transmit is successfully complete did not arrive within 2 usecs of successful transmission. This field does not apply to LAN emulation over ATM.PD (5,0)ETMM1RMore than 1 retry to transmit: Frame required more than one retry for successful transmission. This field does not apply to LAN emulation over ATM.PD (11,0)ETM1RExactly one retry to transmit: Frame required 1 retry for successful transmission. This field does not apply to LAN emulation over ATM.PD (11,0)ETMDCNDeferred conditions: The chipset on the IO adapters deferred transmission due to busy channel. This field does not apply to LAN emulation over ATM.PD (11,0)ETMBRVTotal MAC bytes received ok: This contains a count of bytes in frames that are successfully received. It includes bytes from received multicast and broadcast frames. This number includes everything starting from destination address up to but excluding FCS. Source address, destination address, length or type, and pad are included.PD(15,0)ETMBTRTotal MAC bytes transmitted ok: Total number of bytes transmitted successfully. This number includes everything starting from destination address up to but excluding FCS. Source address, destination address, length or type, and pad are included.PD(15,0)ETMFNTTotal frames not transmitted: This contains a count of frames that could not be transmitted due to the hardware not signaling transmission completion for an excessive period of time. This field does not apply to LAN emulation over ATM.PD(11,0)ETMMFDTotal mail frames discarded. This field does not apply to LAN emulation over ATM.PD(5,0)ETMTFDTransmit frames discarded. This field does not apply to LAN emulation over ATM.PD(5,0)ETMDUPThe duplex state of the line. For some lines, this value might change over time. This field can have the following values:

• Blank -- The duplex state is not known
• F -- Full duplex: the line can simultaneously transmit and receive data
• H -- Half duplex: the line can either transmit data or receive data, but the line cannot simultaneously transmit and receive data.

C (1)ETMUPFUnsupported protocol frames: Number of frames that were discarded because they specified an unsupported protocol. This count is included in the discarded inbound frames counter. This field does not apply to LAN emulation over ATM.PD (11)

Field Name	Description	Attribute