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This guidebook has been created to give you the information you need to successfully implement SNMP-based alarm monitoring in your network.
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You do not need to carefully read over every last line of the MIB file. For your purposes, you are only looking for particular items that will tell you what elements of the device you can monitor and control.
A well-written MIB will be divided into sections. Sections will be identified by comment lines. (In MIB notation, comment lines are identified by two hyphens.) So if you find a line that reads something like:
-- IMPORT definitions
The import definitions are typically at the very top of the file. The import definitions tell you what other MIB files, the current Mib file you are working with, relies upon. When compiling your MIBs, you need to ensure that you have all of your dependencies for all of your MIBs or they will be missing data that is crucial to accurately representing information
-- TRAP definitions
You know you have found what you are looking for.
There are also text labels that identify the MIB objects you are interested in. For example, in SNMP v1 MIBs, Traps are identified by the text label "TRAP-TYPE." If you know the text labels for the kinds of objects you are looking for, you can scan the MIB in a series of Ctrl-F searches.
From the perspective of a telemetry manager, what you need to know from the MIB is: