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NWLink SPX Object

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

The NWLink SPX performance object consists of counters that measure data transmission and session connections for computers that use the Sequenced Packet Exchange (SPX) protocol. This object reports valid data only for counters that monitor datagrams and packets; for frame-related counters, the object tends to report zero values.

Counter Name Description Counter Type

Bytes Total/sec

Shows the total rate of bytes sent to or received from the network by the protocol, but shows only the bytes in frames that carry data. This is the sum of the values of Frame Bytes/sec and Datagram Bytes/sec.

PERF_COUNTER_BULK_COUNT

Connection Session Timeouts

Shows the number of connections that are dropped because a session times out. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Connections Canceled

Shows the number of connections that are canceled. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Connections No Retries

Shows the number of connections that are successfully made on the first try. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Connections Open

Shows the number of connections currently open for this protocol. This counter shows the current count only and is not cumulative.

PERF_COUNTER_RAWCOUNT

Connections With Retries

Shows the number of connections that are made after attempting to reconnect. A retry occurs when the first connection attempt fails. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Datagram Bytes Received/sec

Shows the rate at which datagram bytes are received by the computer.

PERF_COUNTER_BULK_COUNT

Datagram Bytes Sent/sec

Shows the rate at which datagram bytes are sent from the computer.

PERF_COUNTER_BULK_COUNT

Datagram Bytes/sec

Shows the rate at which datagram bytes are processed by the computer. This counter is the sum of the values of Datagram Bytes Received/sec and Datagram Bytes Sent/sec.

PERF_COUNTER_BULK_COUNT

Datagrams Received/sec

Shows the rate at which datagrams are received by the computer.

PERF_COUNTER_COUNTER

Datagrams Sent/sec

Shows the rate at which datagrams are sent from the computer.

PERF_COUNTER_COUNTER

Datagrams/sec

Shows the rate at which datagrams are processed by the computer. This counter is the sum of the values of Datagrams Received/sec and Datagrams Sent/sec.

PERF_COUNTER_COUNTER

Disconnects Local

Shows the number of session disconnections that are initiated by the local computer. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Disconnects Remote

Shows the number of session disconnections that are initiated by the remote computer. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Expirations Ack

Shows the number of T2 timer expirations

PERF_COUNTER_RAWCOUNT

Expirations Response

Shows the number of T1 timer expirations.

PERF_COUNTER_RAWCOUNT

Failures Adapter

Shows the number of connections that are dropped because an adapter fails. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Failures Link

Shows the number of connections that are dropped due to a link failure. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Failures No Listen

Shows the number of connections that are rejected because the remote computer is not listening for connection requests.

PERF_COUNTER_RAWCOUNT

Failures Not Found

Shows the number of connection attempts that fail because the remote computer cannot be found. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Failures Resource Local

Shows the number of connections that fail because of resource problems or shortages on the local computer. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Failures Resource Remote

Shows the number of connections that fail because of resource problems or shortages on the remote computer. This number is cumulative and shows a running total.

PERF_COUNTER_RAWCOUNT

Frame Bytes Received/sec

Shows the rate at which data bytes are received by the computer. This counter shows only the bytes in frames that carry data.

PERF_COUNTER_BULK_COUNT

Frame Bytes Rejected/sec

Shows the rate at which data bytes are rejected by the computer. This counter shows only the bytes in frames that carry data.

PERF_COUNTER_BULK_COUNT

Frame Bytes Re-Sent/sec

Shows the rate at which data bytes are re-sent by the computer. This counter shows only the bytes in frames that carry data.

PERF_COUNTER_BULK_COUNT

Frame Bytes Sent/sec

Shows the rate at which data bytes are sent by the computer. This counter shows only the bytes in frames that carry data.

PERF_COUNTER_BULK_COUNT

Frame Bytes/sec

Shows the rate at which data bytes are processed by the computer. This counter is the sum of the values of Frame Bytes Received/sec and Frame Bytes Sent/sec. This counter shows only the bytes in frames that carry data.

PERF_COUNTER_BULK_COUNT

Frames Received/sec

Shows the rate at which data frames are received by the computer. This counter shows only the frames that carry data.

PERF_COUNTER_COUNTER

Frames Rejected/sec

Shows the rate at which data frames are rejected by the computer. This counter shows only the frames that carry data.

PERF_COUNTER_COUNTER

Frames Re-Sent/sec

Shows the rate at which data frames are re-sent by the computer. This counter shows only the frames that carry data.

PERF_COUNTER_COUNTER

Frames Sent/sec

Shows the rate at which data frames are sent by the computer. This counter shows only the frames that carry data.

PERF_COUNTER_COUNTER

Frames/sec

Shows the rate at which data frames are processed by the computer. This counter is the sum of the values of Frames Received/sec and Frames Sent/sec. This counter shows only the frames that carry data.

PERF_COUNTER_COUNTER

Packets Received/sec

Shows the rate at which packets are received by the computer. This counter shows all packets processed (control as well as data packets).

PERF_COUNTER_COUNTER

Packets Sent/sec

Shows the rate at which packets are sent by the computer. This counter shows all packets sent by the computer (control as well as data packets).

PERF_COUNTER_COUNTER

Packets/sec

Shows the rate at which packets are processed by the computer. This counter is the sum of the values of Packets Sent/Sec and Packets Received/Sec. This counter includes all packets processed (control as well as data packets). NWLink SPX\Packets/sec is visible in IPX and NetBIOS.

PERF_COUNTER_COUNTER

Piggyback Ack Queued/sec

Shows the rate at which "piggybacked" acknowledgments, acknowledgements that are added by the receiver onto the next outgoing data frame, are queued.

PERF_COUNTER_COUNTER

Piggyback Ack Timeouts

Shows the number of times that a "piggybacked" acknowledgment, an acknowledgement that is added by the receiver onto the next outgoing data frame, cannot be sent because there is no outgoing frame. If no outgoing frame is sent within the time-out period, an acknowledgment frame is sent, and this counter is incremented.

PERF_COUNTER_RAWCOUNT

Window Send Average

Shows the running average number of data bytes that are sent before waiting for an acknowledgment from the remote computer.

PERF_COUNTER_RAWCOUNT

Window Send Maximum

Shows the maximum number of data bytes that are sent before waiting for an acknowledgment from the remote computer.

PERF_COUNTER_RAWCOUNT

See Also

Concepts

NWLink NetBIOS Object
NWLink IPX Object