TSO PING and z/OS UNIX ping command return codes

The following list shows the return codes that are generated by the TSO PING and z/OS UNIX ping commands:

Code: Description
0: Response
4: No response
8: TCP/IP address space failure (TSO PING only)
12: Socket API failure (z/OS UNIX ping only)
100: Incorrect parameter

When a response to a TSO PING or z/OS UNIX ping command is received, the elapsed time is displayed. The time does not include the time spent communicating between the user and TCP/IP address space.