[mrtg] MRTG bandwidth error

nangineni praneeth nv_2030 at yahoo.com
Fri Nov 28 16:58:33 CET 2008

Thank you very much...But why is it taking a T1 link bandwidth when i specified the clockrate to be 64kbps??......I know that i can edit the cfg file later and set the MAX bytes to   to 64kbps but i thought MRTG would calculate the interface B.W automatically when i polled the router...

--- On Fri, 11/28/08, Sean Cheesman <scheesman at caeveo.com> wrote:
From: Sean Cheesman <scheesman at caeveo.com>
Subject: RE: [mrtg] MRTG bandwidth error
To: "nv_2030 at yahoo.com" <nv_2030 at yahoo.com>, "mrtg at lists.oetiker.ch" <mrtg at lists.oetiker.ch>
Date: Friday, November 28, 2008, 9:21 PM

#yiv1839952283 P {

193kbytes = 1536kbps (x8)
70.2kbps / 1536kbps = .0045
.0045 = 4.5%

From: mrtg-bounces at lists.oetiker.ch [mrtg-bounces at lists.oetiker.ch] On Behalf Of nangineni praneeth [nv_2030 at yahoo.com]

Sent: Friday, November 28, 2008 10:28 AM

To: mrtg at lists.oetiker.ch

Subject: [mrtg] MRTG bandwidth error

Hello everyone i have found MRTG reporting a small error on my bandwidth.......I configured a small campus enterprise network with collapsed core design(in a lab environment).........I used a frame relay connection to connect to my branch office..I have specified
 the clock rate to be 64kbps.....But when i was collecting the interface traffic from my enterprise edge MRTG was reporting the max traffic below the graph to be 70.2 kbps....How is it possible?Because the serial link was supposed to be at 64kbps(the clock
 rate which i gave)......This was the outbound traffic  MRTG reported.........

70.2 kb/s (4.5%) 
37.8 kb/s (2.4%) 
63.0 kb/s (4.1%) 

The max speed MRTG gave of the interface was 193.0kbytes.Also kindly please explain what the percentage represents...I have been pulling my hair and doing all sorts of calculation to find out what the percentages exactly means and what is it exactly representing




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