Re: clear traps

Dave Shield wrote:
> On Thu, 2005-10-06 at 12:55 -0700, John Hardin wrote:
> 
>>Openview has a way to associate a severity with a trap at the mgmt station
>>but if you specify the severity in the MIB file it sets the default on load.
> 
<snip>
> 
> In which case, I'd say that it's up to the vendor who supplied the
> customer with OpenView, to provide suitably mangled versions of the
> relevant MIB files.  I don't think it's appropriate to expect all
> other SNMP companies and developers to pander to this sort of
> proprietary extension.

I have no idea how long OpenView has supported the --#SEVERITY line in 
MIB files, but when I wrote SNMPTT I was under the impression that it 
was something that Novell introduced for Managewise, but I may be wrong. 
  The current APC MIBs include the extensions, plus some others I have 
found over the years.

I personally think it's a great idea.  The extensions are considered 
comments to Net-SNMP and any other SNMP application so they do no harm. 
    Having them in the MIB file saves a lot of time when importing 
hundreds of traps in to SNMPTT and OpenView.

> I'm not convinced that shoe-horning this into the MIB file syntax
> is a sensible way to achieve this, though.  I'd suggest that
> 'snmptt' adopts a better approach - having a separate configuration
> directive to set up the mapping between a particular trap OID, and
> the appropriate severity.

SNMPTT uses it's own file (snmptt.conf) to store the trap information, 
but the file is usually generated using snmpttconvertmib which 
understands the --# lines.  This is probably similar to HPOV when the 
mibs are 'compiled'.

I find the most useful extensions are the SUMMARY and ARGUMENTS lines. 
For example:

--#SUMMARY "Drive array spare drive on controller %s, bus %s: status is %s"
--#ARGUMENTS {3, 1, 2}

would be stored in snmptt.conf as:

Drive array spare drive on controller $3, bus $1: status is $2

Which could be translated by SNMPTT or OpenView to:

Drive array spare drive on controller 1, bus 0: status is failed

Alex



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