[mrtg] "Digital" format graphs

Steve Shipway s.shipway at auckland.ac.nz
Wed Jan 7 21:55:52 CET 2009

I’m guessing you’ve upgraded from RRDtool 1.0.x to RRDtool 1.2.x or 1.3.x?
Or else upgraded to the latest MRTG in Native mode which has the 1.2.x
underlying engine?


Under RRD 1.0.x, the smoothed lines were the default (and only) option.
>From 1.2.x, the default was to use the more stepped display, more accurately
reflecting the granularity of the data.  However, ‘smooth’ mode was also
made available in case you prefer the old system (as I do).


The routers2 frontend for MRTG/RRD will support the smotth type graphs if
you put ‘smooth=yes’ in the routers2.conf.  I don’t know about the other
frontends such as 14all and mrtg-rrd but I think they don’t.  In Native mode
(IE, without RRDtool) I think you have to be content with what you’re given.


Technically, the new style stepped graphs are more accurate, and indicate
correctly the values and granularity.  They only lose aesthetically





From: mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch]
On Behalf Of Paulo Vinicius
Sent: Thursday, 8 January 2009 03:27
To: mrtg at lists.oetiker.ch
Subject: [mrtg] "Digital" format graphs


Hello Sirs,


After performing a regular maintenance on the MRTG server of our network
(for example, when a Frame-relay circuit is either installed or removed),
all the graphs generated by it started to be presented in a format like a
digital signal espectrum, with small horzontal lines (like the example
below), instead of a continous line (like a analog signal):


If possible, could anyone please tell me what is the reason for this change
and how could it be fixed ?


Thanks in advance !


Paulo Aguiar.



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