Thanks for the responses, this works great.

-Brad

On Tue, 2007-03-20 at 13:27 -0500, Paul Giordano wrote:
> Actually, you use the TRSOURCE command to do that. It's at the VM level,
> done from a 3270 screen. And no, it's not in libpcap format - but there is
> a nice formatter for it.
>
> In VM you issue the command:
>
> CP TRSOURCE ID traceid TYPE LAN OWNER owner LANNAME name LENGTH FULL
>
> where "traceid" is a unique id for the trace, "owner" is the owner of the
> VSWITCH (SYSTEM is usually the value here) and "name" is the name of the
> VSWITCH. (LENGTH FULL is optional, the default is 512 bytes. You can also
> specify your own length default in bytes.)
>
> Then you issue the command:
>
> CP TRSOURCE ENABLE traceid
>
> and the trace will begin being captured to a spool file of type TRF. The
> trace can be stopped with a command
>
> CP TRSOURCE DISABLE traceid
>
> and then checked with the command
>
> Q TRF ALL
>
> OWNERID  FILE TYPE CL RECS DATE  TIME            FILENAME FILETYPE
> ORIGINID
> OPERATOR 0008 TRF  A  0002 06/08 12:37:09 5      testvsw  LAN      SYSTEM
>
> Now you use TRACERED to bring it into a file:
>
> TRACERED 0008 CMS debug file a (ALL
>
> and then IPFORMAT to browse it:
>
> IPFORMAT debug file
>
> All of this is from chapter 2.4, Troubleshooting a Virtual Switch or Guest
> Lan in the IBM "z/VM V5R2.0 TCP/IP Connectivity" manual, available on the
> web at http://www.vm.ibm.com/library.
>
> Linux on 390 Port <[email protected]> wrote on 03/20/2007 12:11:53
> PM:
>
> > I see that in z/VM 5.2, you can now sniff traffic on a VSWITCH.  It
> > seems this is done through a 'CP TRACE' command, but I can't figure out
> > what the command should be.  Has anyone ever tried this?  Is the output
> > in libpcap (tcpdump) format?
> >
> > Thanks,
> > --
> > Brad Hinson <[EMAIL PROTECTED]>
> > Technical Account Manager
> > Red Hat, Inc.
> >
> > ----------------------------------------------------------------------
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> > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or
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>
> ----------------------------------------------------------------------
> For LINUX-390 subscribe / signoff / archive access instructions,
> send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit
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--
Brad Hinson <[EMAIL PROTECTED]>
Technical Account Manager
Red Hat, Inc.

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