[mrtg] hwto integrate something external

Levente Kovacs leventelist at gmail.com
Tue Jan 6 02:05:56 CET 2009

On Mon, 5 Jan 2009 10:18:26 +1300
Steve Shipway <s.shipway at auckland.ac.nz> wrote:

> > * May the in/out values be negative?
> Yes, but you need to use RRDtool as the backend, and manually rrdtune
> the RRD files to make the lower limit appropriate (MRTG sets it to 0
> and it is not currently settable in the .cfg file).  Also, you may
> need to give extra options to your frontend (eg routers2) to display
> the range correctly.
> > * May the in/out values be floating point? Eg. 1.34
> Yes, if you are using RRDtool as your backend.
> > My script emmits the following strings:
> ...
> > --base: Get Current values: in:271, out:271, up:UNKNOWN,
> > name:temp_collector, time:1230999585
> All looks OK then.

Well, I am now using integer output, maxbyte is huge, still, no output. I
don't use this rrd thing. Should I? BTW... all other SNMP based graphs are all


Could anyone provide me some points of debugging? The problem is I don't know
what is going on, and I don't know how to debug.

Thank you for your help!

Levente Kovacs

More information about the mrtg mailing list