[mrtg] MRTG draws wrong when the traffic arrive 100 ~110 Mbit...

Ed LaFrance Ed.LaFrance at newmediaems.com
Thu Mar 29 17:00:07 CEST 2007

In addition to what's mentioned below, I 
discovered that older versions of MRTG (2.9.17 in 
my case) fail to graph properly at above 100 
Mbps. It's likely you just need to poll more 
often as Jan mentioned, but you might also want 
to ensure that you are running the latest MRTG.

- Ed

At 02:24 AM 3/29/2007, Koelstra, J. (Jan) wrote:
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>         boundary="----_=_NextPart_001_01C771E4.17F44B5C"
>By default MRTG uses 32bit counters. When using 
>a 5 minute poll interval this 32bit counters equal to about 114Mbits/s.
>There are 2 ways to tackle this:
>1. Poll more often. Polling each minute will 
>lift the maximum to about 570Mbits/s
>2. If your device supports the ifHC* counters 
>you can use the 64bit counters. To use the 64bit 
>counters you have to add ::::2 at the target 
>line of your MRTG configuration. (see 
>for details)
>-----Original Message-----
>From: mrtg-bounces at lists.oetiker.ch 
>[mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Gökhan" hacibektasoglu
>Sent: Thursday, March 29, 2007 10:58 AM
>To: mrtg at lists.oetiker.ch
>Subject: [mrtg] MRTG draws wrong when the traffic arrive 100 ~110 Mbit...
>Dear All,
>I'am using MRTG for draw the telco line traffic. 
>But I have a problem. When the traffic is high 
>(up to 100Mbit), the graphic shown down...I try 
>3 different mrtg servers& mrtg versions for this 
>problem but i can't :( I can get the true 
>ifinoctets & ifoutoctets values when the problem 
>is going on (I try on the same server). What can 
>i control for resolve this problem? If you can help I will be very hapy...
>Thank you for your help...
>Awaiting reply,
>Gokhan Hacibektasoglu
>Gökhan Hacýbektaþoðlu
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