Ravi This topic was raised in IBMTCP-L and there were a few responses but then I *think* I appreciated what the underlying problem was and so I provided the response below.
One of the responses from John Donnelly indicated that he had discovered the z/OS Communications Server (CS) IP command: >...> Start the Packet Trace processing in TCPIP. IP is the IP address of the >remote host. >...> VARY TCPIP,tcpipprocname,PKT,ON,IP=xx.xx.xx.xx but he seemed not to want to believe that there was no "jobname" specified in the description of the VARY PKTTRACE command - and I just checked V1R12 and it's true! The closest I could manage was the suggestion to use the "known" port number used by the "job" with the "jobname" assuming, as seemed likely, it was the server function which needed to be traced. <post from IBMTCP-L> John > Wish to establish a packet trace for the indicated jobname...this does not > seem to do anything...what are we missing? I wonder if you are going to consider this a polite reply! What you are *missing* is that the sort of tracing to which message IEE843I refers is nothing whatsoever at all on this planet to do with the tracing of IP packets! This is z/OS to which z/OS UNIX System Services is a very late add-on from the mid-90s to an operating system that got by very happily without any mention of IP for very, very many years - since the mid-60s taking in all its various flavours. When IP was tentatively introduced in the early 90s it was also an add-on, just another address space or half a dozen or so, which did not then and still does not now eat away at the very heart of the operating system - like your traditional UNIX system, the sort on which you were no doubt educated and from which your understanding of operating systems derives I expect. So I'm sorry I just didn't look at your messages in your post in IBM-MAIN, reproduced here, in order to appreciate the massive misunderstanding that a very slightly closer look would have revealed. So now that you know you need to start from the beginning as far as tracing IP packets managed by the IP component of Communications Server (CS), an "element" or "feature" of z/OS and by no means the whole monty. Perhaps you can take another look at my earlier post in IBM-MAIN and set up an IP packet trace based on the listening port of the server program which corresponds to this important "jobname". If a z/OS message starts with "IEE" it's quite close to the guts of z/OS. If a message refers to some function related to the IP component of z/OS CS, it will have messages starting with EZA, EZB, EZD, EZY or EZZ. Chris Mason </post from IBMTCP-L> Chris Mason On Thu, 14 Jul 2011 02:53:19 -0500, Ravi Gaur <[email protected]> wrote: >Not sure if you can do it for a particular job however indeed yes for a >particular IP address or Port it's possible..if you need procedure..contact me >offline..thanks ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
