Step for starting Telnet client traces
Before issuing the Telnet command, the following command
should be issued from the TSO ready prompt
or command line to allocate the trace data set:
ALLOC F(DEBUGFIL) DA(data.set.name) NEW
Trace data is written to the data set indicated in the command.
The trace is invoked by issuing the Telnet command with
the DEBUG option:
TELNET hostname (DEBUG