Re: Adding new OIDs in existing MIB files

"Dave Shield" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
On 15/06/07, Syed Mujtaba Ahmed Razvi <[email protected]> wrote:
>    I need to add new OID values in an existing MIB file.

Probably not a good idea - you'd do better to create a completely new MIB file
to define your new MIB objects.

>                                                                                I am looking to
> have my own customized MIB file to which i can save and query self defined
> values. Can i make a new MIB file?

Yes - that's the best approach.
Has your organisation got (or applied for) an enterprise number?
That will give you a section of the OID tree that you can organise
however you wish.

(I suggest that you do *not* use "{enterprises 2}" as Aileen suggests.
Something tells me that in a fight with IBM, you'd lose!)


>   What is the format of a new MIB file?

If you are going to be defining your own MIB file, then you really need
to get hold of a good book on SNMP and MIB structure.  The generally
accepted choice is probably "Understanding SNMP MIBs", by David
Perkins and Evan McGinnis.
  I would not recommend trying to design MIBs from the official RFC
specs, unless you are fairly experienced in SNMP already.

Note that there's more to MIB design than simply the syntax of the
file.  Equally as important is the design and structuring of the data
that this MIB file represents.   That's very much down to the
characteristics of the underlying system that you're wanting to
monitor/control, and is something that the RFCs can't even try
to address.

Dave

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