The SNMP point discovery (or “learn”) process includes two steps:
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Loading the MIB
“Loading the MIB” is the process where the point manager compiles, reads, and displays points in the table pane of the SNMP point manager view. See Loading the MIB for details.
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Walking the MIB
“Walking the MIB is where communication takes place between an agent (client) application and a manager application to discover the point values for those loaded point types that have values available.
The SNMP point manager provides options for accomplishing proxy point discovery.
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Load MIB only
This option provides for loading the MIB and populating the point table based on the MIB file(s) that you select (see Loading the MIB for details). No data values are determined for point types that are defined in the MIB. This might be an option that you use when you are developing an application offline. After developing your application, you can “walk” the MIB when you can establish communication between the SNMP agent and manager applications.
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Walk current MIB only
This option allows you to discover and load values for the points in your SNMP point manager table. These points must have already been defined by loading the MIB.
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Load MIB and Walk MIB
This option performs both of the processes consecutively. The selected MIB file(s) is loaded and subsequently “walked” to determine the values for the points defined by the MIB.
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Configure Auto-loaded MIBs
You can set one or more files to load automatically every time you do a Discover action using the button on the SNMP point manager view. You enable this option by specifying “dependent” files in the dialog box.