An NSP local NSAP remote NSAP entity maintains the transport counters and
     generates events resulting from interactions between its superior local
     NSAP and a remote transport service.  The local nsap nsap-address refers
     to the local NSAP associated with the specified remote NSAP.

1  –  counter

     CONNECTS RECEIVED

         Total number of connect initiated CI messages, regardless of their
         disposition, that the local service provider has received from the
         remote service provider.

     CONNECTS SENT

         Total number of connect initiate CI messages, sent by the local
         service provider to the remote service provider, including
         retransmissions.

     DUPLICATE PDUS RECEIVED

        Total number of all types of detected duplicate transport PDUs received
        from the remote service provider.

     PDUS RECEIVED

        Total number of all types of transport PDUs received from the remote
        service provider excluding detected duplicates.

     PDUS SENT

        Total number of all types of transport PDUs sent to the remote service
        provider excluding retransmissions.

     REJECTS RECEIVED

        Number of detected reject received events.

     REJECTS SENT

        Number of detected reject sent events.

     REMOTE PROTOCOL ERRORS

        Number of detected remote protocol error events.

     RETRANSMITTED PDUS

        Total number of all types of retransmitted transport PDUs sent to the
        remote service provider.

     TOTAL OCTETS RECEIVED

        Total number of octets of all types of transport PDUs received from the
        remote service provider, regardless of their disposition. This count
        includes detected duplicates.

     TOTAL OCTETS SENT

        Total number of octets of all types of transport PDUs sent to the
        remote service provider, including retransmissions.

     USER OCTETS RECEIVED

        Total number of user data octets received from the remote service
        provider, including normal, expedited, connect, accept, and disconnect
        data.  This count does not include duplicates such as data retransmitted
        by the remote service provider.

     USER OCTETS SENT

        Total number of user data octets sent to the remote service provider,
        including normal, expedited, connect, accept, and disconnect data. This
        count does not include data retransmitted by the local service provider.

     USER PDUS DISCARDED

        Number of PDUs received from the remote service provider that were
        discarded because of insufficient buffer space.

     USER PDUS RECEIVED

        Total number of transport PDUs containing user data received from the
        remote service provider, including normal, expedited, connect, accept,
        and disconnect data. This count does not include duplicates such as
        transport PDUs retransmitted by the remote service provider.

     USER PDUS SENT

        Total number of transport PDUs containing user data sent to the remote
        service provider, including normal, expedited, connect, accept, and
        disconnect data.  This count does not include retransmitted transport
        PDUs.