The TCPTRACE utility lets you trace packet flow between the local
host and remote hosts. You can either monitor all packet flow
or use the various qualifiers to monitor only those packets of
interest.
1 – Starting
To start the TCPTRACE utility use the TCPTRACE command:
$ TCPTRACE HOST1 /FULL /PACKETS=30
2 – Stopping
To stop the TCPTRACE utility use CTRL/C.