E1.20 RDM (Remote Device Management) Protocol Forums

E1.20 RDM (Remote Device Management) Protocol Forums (http://www.rdmprotocol.org/forums/index.php)
-   RDM General Implementation Discussion (http://www.rdmprotocol.org/forums/forumdisplay.php?f=4)
-   -   Wireshark Arnet/RDM/DMX dissector (http://www.rdmprotocol.org/forums/showthread.php?t=1135)

erwin April 16th, 2012 04:03 AM

Wireshark Arnet/RDM/DMX dissector
 
Hey all,

I am currently updating the Wireshark Artnet dissector to better support RDM (over Artnet). The same time I created a DMX and RDM dissector.

What I am now looking for are capture files of Artnet RDM traffic, to verify the dissectors. So if anybody out there is using Artnet I would be tankful if they could provide some capture files.

- Erwin

nomis52 April 16th, 2012 02:12 PM

Thanks for doing this.

You can generate this traffic yourself using OLA (http://www.opendmx.net/index.php/OLA). Start up an instance on two hosts, patch the Dummy RDM responder to an ArtNet universe and use the web UI on the other instance to send RDM over ArtNet traffic.

erwin April 16th, 2012 04:50 PM

Ah interesting project, might have to add dissectors for the other supported protocols like sandnet and shownet too :-)

But I still would like to see some real world capture files from different kinds of devices.

mike_k April 25th, 2012 02:29 PM

If you PM me the email address you want it to, I can send you some files...

ericthegeek May 15th, 2012 09:49 PM

1 Attachment(s)
Here is a wireshark capture of the traffic between AL's DMX Workshop and an Art-Net node. The Node has a single Lab-Pack RDM responder connected to the first port.

I hope this helps.

Thanks for doing the Wireshark work, it's sorely needed.

erwin May 23rd, 2012 03:36 AM

New test version of Wireshark with Artnet, RDM, DMX support. Windows 32bit only, if no big problems are found I will start pushing things upstream so it will end up in the official wireshark release.

http://downloads.erwinrol.com/Wiresh...-1.7.2-RDM.exe

erwin June 8th, 2012 01:39 AM

Hey all, the Wireshark team released a 1.8.0rc1 version. That version includes my latest Artnet/RDM work. So now ppl with OS/X can try it too. Just checkout the download page; http://www.wireshark.org/download.html

update: If you find bugs, let me know ASAP, so I can fix them before they release 1.8.0!

- Erwin

ericthegeek June 8th, 2012 09:25 AM

Hey, great, thank you for doing this work!

nomis52 June 9th, 2012 08:39 PM

I tested 1.8.0rc1 on mac and can't find any problems. Thanks for this.

Methi June 18th, 2012 04:32 AM

I'm testing/ using 1.8.0rc1. I think there are some things to do better:

First it doesn't support Artnet III ?
Second thing is on an ArtTodRequest: It doesn't displays the command-byte correct (still there is only one command (0x00) yet) it should be known ans "TodFull" and not "unknown".

I will further use it and report if I find (more) errors;

It's much better then the old version, thanks ;)

Greetings

Methi

pkirkup July 2nd, 2012 09:57 AM

Hi Erwin

I just spotted a small bug in the plugin.

In this packet, our controller has sent a GET:SUB_DEVICE_REPORT_THRESHOLD to Subdevice 0, and the responder as responded with a NACK: Reason 0x0009 (SubDevice out of range) - the allowed range is 0x0001-0x0200.

Wireshark has correctly determined the PDL of the Nack_Response packet as 2, but only takes the first byte before moving on to validate the checksum using the second half of the response.

http://i571.photobucket.com/albums/s.../LabpackXT.png

Hopefully a quick easy fix for you?


Peter

SeanSill August 29th, 2012 06:40 PM

Anyway we can get this ported over to the draft E1.33? Would be very useful. Simon and I have already started laying out prototype implementations.


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