Re: clear traps

On Wed, 2005-10-05 at 11:06 +0200, Vishwanath Kalbagilmath wrote:
> By clear trap, I mean:
> 
> For instance, if there are some traps generated for say "link down"
> with Severity set to Critical/Major/Minor etc... every few min, after
> sometime when the link is up, a trap is generated for "Link up" with
> severity set to "Clear". This trap should clear all the previous link
> down traps.

Thanks - that's a useful clarification.

> As I understand this is more related to trap viewer utility,

Correct.  SNMP traps have no concept of "severity".
That's purely a function of (some) trap receiver applications.

As far as SNMP is concerned, a trap is simply a notification of
some event or condition (perhaps with some associated information).
It's purely up to the receiving application as to how they regard
it - whether it's seen as an error (critical/major/minor), a
warning, part of normal operation, or whatever.


>  but all I wanted to know is if there is any standard way of doing it.

I don't believe so.
The whole idea of "severity" is not really part of standard SNMP,
so the idea of "clear" traps isn't standardised either.

I think you'd need to consult the documentation for your trap
receiver software, and the relevant MIB files, to decide how
best to implement such behaviour.

Dave


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