Starting TCP/IP subagent traces

To start the TCP/IP subagent traces, code the ITRACE statement in the PROFILE.TCPIP data set or in the data set specified on the VARY TCPIP,,OBEYFILE command. For more information, see z/OS Communications Server: IP Configuration Reference.
ITRACE ON SUBAGENT level
where level is one of the following values:
1
General subagent trace information.
2
General subagent trace information plus DPI traces.
3
General subagent trace information plus extended dump trace. This level provides storage dumps of useful information, such as storage returned by the IOCTL calls.
4
General subagent trace information, plus extended dump trace and DPI traces.
The trace output is sent to the syslogd. Trace records are found in the file specified by the daemon.debug entry in the SYSLOG configuration file. For more information, see z/OS Communications Server: IP Configuration Guide.
To stop TCP/IP subagent traces, code the ITRACE statement in the PROFILE.TCPIP data set or in the data set specified on the VARY TCPIP,,OBEYFILE command:
ITRACE OFF SUBAGENT

For more information about the VARY command, see z/OS Communications Server: IP System Administrator's Commands.