Blog Entry of 2007-Nov-19 in PRTG 6
Changing existing custom sensors from Delta to Gauge (and vice-versa)
When creating "Custom SNMP Sensors" in PRTG Traffic Grapher you need to choose between a "Delta counter (difference per period)" and a "Gauge counter (absolute value)". Sometimes you may want to change this setting later.
Our latest knowledgebase article explains how to do it.