PRTG Manual: SNMP History
To open the SNMP history view select a SNMP monitor in the SNMP monitor list and open 'SNMP History' in the monitors context menu. The SNMP history view contains a grid with the following details about the collected results.
The name of the SNMP query.
The time the query was run.
The response to the SNMP query from the SNMP agent.
By default the history view will update as new monitor results are collected, providing a real-time view of the monitor results. If you would like to stop the refresh of the view to inspect the current results, un-check the "Show Latest State" check box.