[mrtg] Re: MRTG methodology

David Sawyer david.sawyer at uk.mckhboc.com
Fri Sep 28 15:50:46 MEST 2001

I have WhatsUp Gold polling around 300 devices in total every 60 seconds and
MRTG polling just over 250 devices every 5 mins the average traffic usage is
just 2.2k
(I also use the link for telnet and TFTP)

It's not a lot of traffic for the information you get back.

> -----Original Message-----
> From:	Dana Hudes [SMTP:dhudes at hudes.org]
> Sent:	Friday, September 28, 2001 2:30 PM
> To:	Paul C. Williamson; mrtg at list.ee.ethz.ch
> Subject:	[mrtg] Re: MRTG methodology
> If you are using the 5 minutes to poll for dead things, certainly that's
> an appropriate interval.
> If you are using it for capacity planning, you don't need that fine level
> of resolution.
> There is no need to use MRTG to poll ifOperStatus.
> I could see using it to send an alert based on ifInErrors though.
> ----- Original Message ----- 
> From: "Paul C. Williamson" <pwilliamson at mandtbank.com>
> > 5 minutes is an awful lot of polling?  Not hardly.  That's the 
> > standard for network management services of just about 
> > anything I can think of (HPOV, NetView, etc.)  5 seconds 
> > would be too much, 1 minute would be a lot.  5 minutes is 
> > hardly a blip on the radar screen.  I've had to fight to get my 
> > NOC to understand that anything more often than 5 minutes, 
> > and they won't have time to process the alerts, anything more 
> > and they risk being late to the party (whatever that error or fault 
> > may be).
> > 
> > Paul
> > 
> > >>> "Dana Hudes" <dhudes at hudes.org> 09/28/01 09:06AM >>>
> > btw 5 minutes is an awful lot of polling. consider whether you can live
> with
> > less fine-grain information. I run now at 15 minutes monitoring an E1,
> but if you have a T3 that would
> > not be a good idea.
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