CTRACE

CTRACE is an MVS diagnostic service aid. Your region uses it to obtain traces of IP packets flowing to and from a TCP/IP stack on a z/OS Communications Server host.

The CTRACE packet tracing facility includes the following features:

Ability to start and stop CTRACE (Component Trace)
Ability to trace IP packets with specified criteria
A trace format and display facility
Ability to display active traces
An archive of trace information
Ability to export traces to a PS data set or an HFS file in either CTRACE or libpcap format