This Article will provide information on how to use the Sniffer Agent.
This document guides you through the setup of a Sniffer Agent. If you have a device (PLC/HMI) that is not in the standard Agent list on a SiteManager, then you should use the Sniffer Agent and see if this one is working.
Connect to the new Agent
Press the [Monitor] Button
The output of the sniffer agent will show: