Changing a TCP port number assigned to the monitoring server

If you change a TCP port number assigned to a monitoring server on a z/OS® system, the port numbers allocated for the local monitoring agents also change, because the algorithm starts from the monitoring server's well-known port. You can use this method to avoid conflicts with ports reserved for other applications or components. If you specify a high number, conflicts are less likely than if you use the default or specify a low number for the monitoring server's well-known port.

Tips:
  • Only one remote monitoring server in an LPAR can report to a given hub. If more than one remote monitoring server is configured in an LPAR, the hub to which each remote monitoring server reports must have a unique port number. Otherwise, connectivity problems might occur.
  • If you change a port number for a hub monitoring server, you must reconfigure all the components that communicate with it. If you change a port number for a remote monitoring server, you must reconfigure all the agents that report to it. In a large enterprise, this can be a large task.