Re: query about monitor expression

Hi Everybody,
    I am sorry, the requirement is a little different.

I have to send different traps for low voltage and high voltage. So, I have
an object identifier systemVoltage(OID1), which when get retrieves the
system voltage.

I have to send separate traps, for high and low voltage. How do I accomplish
this?

How do I write monitor expression for same OID, one for high and another for
low voltage?

please help me with the monitor expression for the same.

Thanks and Regards,
zix

On Sun, Jun 20, 2010 at 1:02 PM, gunsnroses <[email protected]> wrote:

> Hi,
> I am very new to snmp. I have an urgent query.
>
> Please let me know how monitor [OPTIONS] NAME EXPRESSION works. I have an
> object systemVoltage which when get gets the value of system voltage. How do
> I use this to send a trap whenever it falls outside 5 and +12V?
>
> I guess the monitor expression will be
>
> monitor -r 60 OID 5 12
>
> I have a question about the same if the above holds. If voltage goes above
> 12, then after some time comes back within the range and goes back to above
> 12 again, will the trap be sent again?
> I think it wont be sent, as in man page, its written that it has to cross
> lower threshold before firing again. Can somebody please confirm this.
>
> If it does not work this way, what should I do to make it fire this way as
> below?
> I want it this way:
> OID value > 12---send trap, val--->8(value comes within range),
> val--->14(more than 12) send trap
> val > 12--->send trap, val ---->2(less than 5) --->send trap
>
> Can I send different messages when it goes below and when it goes above?
>
> Thanks a lot,
> zix
>

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