Problem with Router status in notification.

[Jay R. Ashworth]

On Tue, May 20, 2008 at 12:19:22PM -0500, Marc Powell wrote:
> On May 20, 2008, at 11:39 AM, Jay R. Ashworth wrote:
> > On Tue, May 20, 2008 at 02:16:23PM +0530, Michael Mukherji wrote:
> >>   thanks for your input.But the port was actually down.Bt i want  
> >> notification
> >>   saying that port is down rather than snmp unable to collect data
> >>
> >>   So is any extra parameter such as -s /-r is required in my  
> >> check_snmp
> >>   command.
> >
> > No.
> >
> > As he noted, the problem is that the Cisco doesn't behave properly.   
> > If
> > the port is down, the Cisco should *say that it is down*, rather than
> > simply ceasing to respond properly.
> >
> > But that's what it does, and that's what you're seeing.
> 
> That's not how I interpreted his issue at all and I'm a bit dubious  
> about it.

Perhaps I misunderstood Hugo; he seemed pretty clear about what he was
saying, but admittedly, I haven't tripped over the problem myself.

>            The problem interface was a Serial interface, possibly the  
> only upstream connection. check_snmp will behave this way if the  
> router is unreachable. I've never personally experienced this  
> 'disappearing' interface problem or non-responsiveness with any kind  
> of physical connection (Serial, (Fast)Ethernet, etc), only virtuals  
> such as ISDN Virtual interfaces, which are expected and even those  
> have never caused SNMP to be non-responsive. I do perform somewhat  
> extensive checking of interfaces via SNMP (several thousand).

Well, that sounds pretty authoritative.  Hugo?

Cheers,
- jra
-- 
Jay R. Ashworth                   Baylink                      jra at baylink.com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates     http://baylink.pitas.com                     '87 e24
St Petersburg FL USA      http://photo.imageinc.us             +1 727 647 1274

	     Those who cast the vote decide nothing.
	     Those who count the vote decide everything.
	       -- (Joseph Stalin)

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