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CIGI Dissector: What version of CIGI 3 is supported?

asked 2019-02-27 16:36:18 +0000

matthembree gravatar image

The wiki for the CIGI dissector says "The CIGI dissector is fully functional for CIGI version 2 and 3". Is the CIGI 3 support for 3.1? 3.2? 3.3? All subversions (3.x) ?

Background: Our CIGI host is sending out properly-formed CIGI 3.3 packets as best we can tell from a bit-by-bit analysis; correct packet size values etc. The CIGI-based image generator we are driving has no problems with the packets. Wireshark, however, only recognizes and decodes the outgoing IG Control packets; all the other packets we send are shown as raw UDP data.

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answered 2019-02-28 09:32:05 +0000

Anders gravatar image

It looks like the CCIGI heuristic looks for a 1,2 or 3 in the 3 byte. The comment says /* Currently there are only 3 versions of CIGI */ even if you define the port it will do 

if ( !packet_is_cigi(tvb) ) {

You could raise a bug report supplying a small sample trace with your version of the protocol.

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Asked: 2019-02-27 16:36:18 +0000

Seen: 342 times

Last updated: Feb 28 '19