Re: snmptrap question

On 11 January 2012 21:31, Simon Chamlian <[email protected]> wrote:
> I'm issuing the following snmptrap command:
>
> snmptrap -v 3 -u  testrwauth -a MD5 -A "authentication test" -l authNoPriv
>      172.27.57.34      42      MPBC-RMH-MIB::mpbcRMH-Mon-HPU-State

What is the definition of the MIB object mpbcRMH-Mon-HPU-State ?
Is this defined as OBJECT-TYPE or NOTIFICATION-TYPE?

If it's defined as a MIB object (rather than as a Notification),
then it's not valid to use it here.


> 1) This is returning the ObjectID in the summary of my trap window
>     (i.e, my trap log has 4 columns: Time, Source, Type and Summary).
>
>     Instead of getting the ObjectdID in the Summary, is it possible to get
>      the 'Value' this OID?

The snmptrap command takes two basic parameters:
    -  an integer (the "sysUpTime" value)
    -  an OID    (of a Notification-Type object)

This is then optionally followed by a number of   OID-type-value triplets
(in the same form as would be used for "snmpset")
So if the notification definition lists four payload objects, then the
snmptrap command should look something like

    snmptrap ....  42  myTrapOID
        myTime.1     t   12345
        mySource.1  a   1.2.3.4
        myType.1     i    99
        mySummary.1  s   "The Good, the Bad and the Ugly"

(with suitable varbind triples for the four payload elements)

Yes, the trap can contain the required values, but you'll need
to specify these as part of the snmptrap command.


> 2) the 42 right after the IP address, what does it do?

This is the sysUpTime.0 value.
>From the snmptrap(1) man page:

           snmptrap -v [2c|3] [COMMON OPTIONS] [-Ci] uptime trap-oid
[OID TYPE VALUE]...

In your exapmle
    42 is the parameter 'uptime'
    mpbcRMH-Mon-HPU-State  is the parameter 'trap-oid'

Dave

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