In such situations a SNMP tool like the MIB Node Viewer utility would be of great use. Many a times network engineers are aware of the MIB node but not sure of the OID and its properties.
The SNMP Grapher is a part of the free SNMP tools by ManageEngine. The SNMP data to be polled should be of integer or unsigned integer data type (Counter, Gauge, or Time ticks). SNMP Graph tool provides SNMP Graphing along with the MIB node information like OID, syntax, description and MIB node properties. SNMP Graph utility of OpUtils software is a SNMP tool used to gather real time data and draws a graph for any SNMP IP node.