Re: How can I define my own trap?

2009/1/26 Ignasi Paredes Oliva <[email protected]>:
> Now, my problem is that I want to define my own trap and I don't now
> how to do it. First, I want to retrieve some information of my mysql
> database and after that I would like to create a trap containing all
> that information (several numbers and strings) and, of course, send
> it. How should I do that? Should I create a new MIB file?

Yes.
*All* SNMP information is defined by the relevant MIB file(s).
That file is used to explain:
     - the type of any given piece of information
           and what values it can take
     - how to refer to it (by OID and name)
     - the *meaning* of this information

All of this needs to be layed out in advance, before you start
to implement anything.

I would also suggest that you think in terms of supporting
these objects for snmpget/snmpwalk requests as well - not
just for sending traps.   That will also help clarify the structure
of this information - what values naturally fall into table, how
those tables are structured and indexed, etc.
  As well as making the MIB much more useful in general.


Fernández Piñas, David <[email protected]> wrote:
> Another option is to define the MIB tree under experimental node
> for testing and then move to an official node.

Please do *not* define objects under the experimental node.
This subtree is controlled by IANA, and they will allocate numbers
under this tree.  It's not intended for individual private use.

For private experimentation, I'd suggest you use
NET-SNMP-MIB::netSnmpPlaypen  (.1.3.6.1.4.18072.9999.9999)
which is specifically intended for this purpose.

Dave

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