Ronja Twibright Labs

Ronja Metropolis packetloss measurement with Bertest

Measuring packetloss of Ronja Metropolis with Bertest



  • Mirror
  • A computer with 1 free full duplex AUI network card
  • Linux where C programs can be compiled.
  • GNU R installed
  • Bertest installed
Postscript / PDF / EPS / BIG png / SVG (Inkscape)


Connect the modules according to the picture. Setup bertest for packetloss measurement.


Choose output filename describing the measurement you are doing, we'll use example.dat for example. Let it run with output redirected into a file this way for a couple of minutes:

bertest <arguments> > rx_1.dat

Running GNU R

Now run ./analyze example.dat (replace example.dat with your datafile name). and example.pdf will be generated.

Packetloss in PDF/PostScript output

Display the resulting Postscript or PDF and go to page 11. There you can see filtered measurement of the packetloss. Read the higher value of the two. Unfiltered values are on page 1.
An expected information missing here?