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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.<br><br>
- Ed<br><br>
At 02:24 AM 3/29/2007, Koelstra, J. (Jan) wrote:<br>
<blockquote type=cite class=cite cite="">content-class:
urn:content-classes:message<br>
Content-Type: multipart/alternative;<br>
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<font size=2 color="#0000FF">Gokhan,<br>
</font> <br>
<font size=2 color="#0000FF">By default MRTG uses 32bit counters. When
using a 5 minute poll interval this 32bit counters equal to about
114Mbits/s.<br>
There are 2 ways to tackle this:<br>
1. Poll more often. Polling each minute will lift the maximum to about
570Mbits/s <br>
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
<a href="http://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html#item_snmpv2c">
http://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html#item_snmpv2c</a>
for details)<br>
</font> <br>
<font size=2 color="#0000FF">HTH,<br>
</font> <br>
<font size=2 color="#0000FF">Jan.<br>
</font>
<dl>
<dd><font face="Tahoma" size=2>-----Original Message-----<br>
<dd>From:</b> mrtg-bounces@lists.oetiker.ch
[<a href="mailto:mrtg-bounces@lists.oetiker.ch" eudora="autourl">
mailto:mrtg-bounces@lists.oetiker.ch</a>] On Behalf Of </b>Gökhan"
hacibektasoglu<br>
<dd>Sent:</b> Thursday, March 29, 2007 10:58 AM<br>
<dd>To:</b> mrtg@lists.oetiker.ch<br>
<dd>Subject:</b> [mrtg] MRTG draws wrong when the traffic arrive 100 ~110
Mbit...<br><br>
</font>
<dd>Dear All,<br>
<dd>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...
<br>
<dd>Thank you for your help...<br>
<dd> <br>
<dd>Awaiting reply,<br>
<dd> <br>
<dd>Gokhan Hacibektasoglu<br>
<dd>Istanbul<br>
<dd> <br><br>
<br>
<dd>Gökhan Hacıbektaşoğlu <br><br>
<br>
<dd>Don't get soaked. Take
a<a href="http://tools.search.yahoo.com/shortcuts/?fr=oni_on_mail&#news">
quick peek at the forecast </a><br>
<dd>with
the<a href="http://tools.search.yahoo.com/shortcuts/?fr=oni_on_mail&#news">
Yahoo! Search weather shortcut.</a><br><br>
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