[mrtg] Re: PVC vs. Port Speed question

David Ashbrook dashbrook at dmisi.com
Thu Jun 12 16:45:53 MEST 2003


You can set your MaxBytes to the maximum you can burst over your CIR, then
you can set the AbsMax option to your CIR.  This will put a dotted red
line across the graph wherever you set it. 

Is this what you are looking for?

David Ashbrook

-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch] On
Behalf Of Waltman, Adam
Sent: Thursday, June 12, 2003 9:34 AM
To: MRTG (E-mail)
Subject: [mrtg] PVC vs. Port Speed question

Greetings,

I use MRTG v 2.9.25 to monitor a bunch of router's bandwidth stats.
Lately, there has been some discrepancy between us and our ISP about how
much we are using, etc...  I monitor the PVC (CIR) speed in bps.  Many
times, the PVC isn't the same as the port speed.  Here's my questions:

1.  Is it possible for MRTG to monitor the PVC speed while showing bursts
above the CIR?  (I have the WithPeak option specified but that stays
within my stated PVC speed)

2.  If I leave it the way it is, is there a way MRTG can graph spikes
above the PVC or 100%?

Thanks in advance,
Adam

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