> From: Larry Brown [mailto:larry.br...@dimensionnetworks.com]
> Sent: Thursday, January 08, 2009 11:26 AM
> Hello all, I've read a number of articles around on snmp and have a
> fundamental theory going as to how this works at a macro
> level but need
> some confirmation. Any assistance will be greatly appreciated.
>
> As I understand it the part of the OID that is returned depends on its
> existence in the MIB.
There is no "part of the OID". OIDs (object identifiers) are atomic.
> I examined a couple of MIB's and none
> of them do
> more than relate an explanation of what the particular OID
> provides and
> in what format it provides it. (along with name resolution
> for the OID)
That is all that a MIB does. It is an opaque interface description.
> What I expected was some way of describing to the snmpd agent where to
> get the value to return.
The information may be in a different place on every different system
that supports the MIB. For each, a subagent must be provided which responds to
the get, set, etc. queries and returns or changes the data as needed.
HTH,
Mike
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