z/OS Communications Server

z/OS Communications Server

z/OS Communications Server

A high-performance foundation for building and deploying networking applications on z/OS

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  • 1.  zWireshark now available

    Posted Thu February 22, 2024 03:49 AM

    Ive put  my z/OS program to collect a TCP trace, into git hub.   See here.

    It makes collecting a trace very simple.

    With the TCPTRACE program.

    • Submit the job
    • Run your test
    • Stop the job
    • Download the file

    The documented way to collect a trace from z/OS is 

    • Start a CTRACE trace writer
    • Start CTRACE
    • Start TCP trace
    • Run your test
    • Stop TCP trace
    • Stop Ctrace
    • Stop Trace writer 
    • use IPCS to process the trace and create a file to download
    • Download the file

    Which is complex and has many steps.

    I would welcome any comments or feedback



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    Colin Paice
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  • 2.  RE: zWireshark now available

    Posted Thu February 29, 2024 04:39 AM
    Edited by Dirk Haeselich Thu February 29, 2024 04:39 AM

    Hi, 

    I would like to use your TCPTRACE program. So I downloaded it from github and followed the installation steps. The Job starts running, writes a few records into the output file but it ends up with  an Abend S0C4. Can you probably have a at the problem? Do you need any further information to fix it?

     



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    Dirk Haeselich
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  • 3.  RE: zWireshark now available

    Posted Fri March 01, 2024 03:13 AM
    Hi Dirk,

    Thanks for trying it.   I had one problem which I fixed last Monday.
    Please can you use  option --DEBUG 1, and send me the output of the job including the CEEDUMP to colinpaice3@gmail.com

    thank you

    Colin





  • 4.  RE: zWireshark now available

    Posted Fri March 01, 2024 06:28 AM

    Hi Colin,

    I just have tried the last fix, that you have provided on github. Now, TCPTRACE runs as expected!
    Thanks for that great tool!

    Dirk



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    Dirk Haeselich
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