[mrtg] FW: FW: FW: Graph values

[Nick Price]

Hi Steve

 

I am using the latest version mrtg, on fedora 10.

 

I installed it as per the documentation from Tobi's mrtg site

 

1st installed gd, libpng, zlib   it didn't ask for rrd tool

 

I think I wasn't clear in what I asked you for.

 

The legend "text" is OK   it's the numbers against the Y scale I want to
divide by 10  whilst leaving the graphing as it is

 

The graphing  is going from 0-160 but as per the MAXBytes[SNR]: 160 but as
it's a dB graph I want the 

Y scale values  0.0, 40.0 ,80.0, 120.0,and 160.0   to read  0.0, 4.0, 8.0,
12.0, and 16.0 

Whilst not touch the way the graph is working

So a value of 160 will still be at the top of the graph and the text at the
left of the graph says its 16.0 due to this being in dB's

 

 

Regards

 

Nick

 

 

From: Steve Shipway [mailto:s.shipway at auckland.ac.nz] 
Sent: Saturday, August 28, 2010 3:16
To: Nick Price; mrtg at lists.oetiker.ch
Subject: RE: [mrtg] FW: FW: Graph values

 

What software are you using -- IE, native MRTG, or MRTG/RRD/Routers2, or
MRTG/RRD/14all, etc etc.  This will make a differrence.  Also, what version
of MRTG, Routers2, 14all etc. as you may have an older (buggy) version.

 

To set the Y-Axis legend you just use YLegend[SNR]: 

 

Steve

 

Steve Shipway

University of Auckland ITS

UNIX Systems Design Lead

s.shipway at auckland.ac.nz

Ph: +64 9 373 7599 ext 86487

 

  _____  

From: mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch
[mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch] on behalf of Nick
Price [np121 at hotmail.com]
Sent: Saturday, 28 August 2010 10:27 a.m.
To: mrtg at lists.oetiker.ch
Subject: [mrtg] FW: FW: Graph values

Thanks Steve

 

It worked for the values under the graph.

 

But it hasn't changed the Y label

 

I have MAXBytes [SNR]: 160

 

So it shows the label a 0-160   

 

I want the graphing to stay as it is but only the label to be 0 - 16
because its dB's

 

 

Cheers

 

Nick

 

 

 

 

From: Steve Shipway [mailto:s.shipway at auckland.ac.nz] 
Sent: Friday, August 27, 2010 22:25
To: Nick Price; mrtg at lists.oetiker.ch
Subject: RE: [mrtg] FW: Graph values

 

Factor[SNR]: 0.1

 

Note I think this may only work if you're using RRDTool as the backend as
MRTG doesnt like decimals.

 

Factor[] differs from  '* 0.1' on the Target line because a '* 0.1' on the
Target line divides by tem BEFORE storing the data in the RRD, a
Factor[]:0.1 will divide by ten at display time.  Thus, you do not need to
modify your MaxBytes if you are using Factor[] but you do if you are using
'* 0.1' on the Target line.

 

Steve

 

Steve Shipway

University of Auckland ITS

UNIX Systems Design Lead

s.shipway at auckland.ac.nz

Ph: +64 9 373 7599 ext 86487

 

  _____  

From: mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch
[mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch] on behalf of Nick
Price [np121 at hotmail.com]
Sent: Saturday, 28 August 2010 3:41 a.m.
To: mrtg at lists.oetiker.ch
Subject: [mrtg] FW: Graph values

I am graphing SNR values from a Cisco 877 the graphs look ok

 

But I would like to divide the Y legend values by 10  because I am dealing
with dB's

 

 

I have MAXBytes [SNR]: 160

 

But I want the legend to show this as 16.0 while keeping the max bytes
untouched as this gives a nice graph

 

Also I would like the legend 1 and legend 2  below the graph to have its Max
Average and current values divided by 10

 

 

Any ideas on how I can achieve this please

 

Many thanks

 

Nick

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