trpt(1M)                                                           trpt(1M)

NAME
     trpt - transliterate protocol trace

SYNOPSIS
     trpt [-afjqstuw] [-p hex-address]

DESCRIPTION
     The trpt command can be used to print edit the trace of a TCP/IP con-
     nection. If the debugging option SODEBUG was activated for a TCP/IP
     socket [see getsockopt(3N)], trpt evaluates the buffer containing the
     TCP trace records and generates a print-edited output. When no options
     are supplied, trpt prints all the trace records found in the system
     grouped according to TCP connection protocol control block (PCB). The
     following options may be used to alter this behavior.

OPTIONS
     -a   In addition to the normal output, print the values of the source
          and destination addresses for each packet recorded.

     -f   Follow the trace as it occurs, waiting a short time for addi-
          tional records each time the end of the log is reached.

     -j   Just give a list of the protocol control block addresses for
          which there are trace records.

     -q   Use an alternate output format that quickly and compactly
          displays the most useful information.

     -s   In addition to the normal output, print a detailed description of
          the packet sequencing information.

     -t   In addition to the normal output, print the values for all timers
          at each point in the trace.

     -u   Display information pertaining to UDP packets instead of TCP
          packets.

     -w   In conjunction with the -q option, this option is used to display
          additional information in an extended output format on the window
          size of the current packet and on the sndcwnd and sndssthresh
          fields of the TCP control block.

     -p hex-address
          Show only trace records associated with the protocol control
          block, the address of which follows.

     The recommended use of trpt is as follows. Isolate the problem and
     enable debugging on the socket(s) involved in the connection. Find the
     address of the protocol control blocks associated with the sockets
     using the -A option of netstat(1M). Then run trpt with the -p option,
     supplying the associated protocol control block addresses. The -f
     option can be used to follow the trace log once the trace is located.



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trpt(1M)                                                           trpt(1M)

     If several sockets are using the debugging option, the -j option may
     be useful in checking to see if any trace records are present for the
     socket in question.

NOTES
     Should also print the data for each input or output, but this is not
     saved in the trace record.

SEE ALSO
     netstat(1M), getsockopt(3N).












































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