using Nagios to find cause(s) of jitter in VoIP network

[Michael W. Lucas]

On Fri, Jul 06, 2007 at 12:18:53PM -0700, Rob Groome wrote:
> 
> On Jul 6, 2007, at 10:56 AM, Rogelio Bastardo wrote:
> 
> > How might one use Nagios to monitor an MPLS SLA (service level  
> > agreement)?
> >
> > Some VoIP phones are experiencing jitter, and I'm looking for tools  
> > (ideally, Nagios-friendly) which might help me find the chokepoint(s).
> >
> > Any help showing in the right direction would be greatly appreciated.


My first thought is, are your VoIP phones in a gold CAR on the MPLS?
While VoIP works fine in any QoS queue on a lightly loaded MPLS
circuit, you'll get all kinds of jitter under load if not.

Not that I've had that happen, or anything.

==ml

-- 
Michael W. Lucas 	mwlucas at BlackHelicopters.org, mwlucas at FreeBSD.org
		http://www.BlackHelicopters.org/~mwlucas/
      Coming Soon: "Absolute FreeBSD" -- http://www.AbsoluteFreeBSD.com
On 5/4/2007, the TSA kept 3 pairs of my soiled undies "for security reasons."

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