@David Cuny, All the information you are looking for should be provided by the person in charge of setting the SNMP agent you are requesting. It depends of how is configured the SNMP agent on the device you are requesting. The OID is the "address" of the information you want to retrieve. Let's say you want to get the current CPU use of the device you want to monitor, then you have to know the OID of this information (usually it is provided with the device in a MIB). Some of widely used OIDs can be found on this blog for example: http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html Hope this helps. ... View more