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Wireshark-users: Re: [Wireshark-users] [Fwd: Wireshark to K12 comparison]

From: Jeff Morriss <jeff.morriss.ws@xxxxxxxxx>
Date: Mon, 01 Oct 2007 12:02:36 -0400

These ares my questions on the whireshark :

- is there any possibility to know on which ITU, ETSI, 3GPP
recommandations releases have been coded the dissectors to be used for
MAP, CAMEL, ISUP, BSSMAP, RANAP, etc.. Application Parts ?

For the most part, the versions used by the dissectors are listed in the header of each source file. For example, you can read at the top of the GSM-MAP dissector:

http://anonsvn.wireshark.org/viewvc/viewvc.py/trunk/epan/dissectors/packet-gsm_map.c?view=markup

* References GSM MAP: * ETSI TS 129 002
 * Updated to ETSI TS 129 002 V7.5.0 (3GPP TS 29.002 V7.5.0 (2006-09) Release 7)
 * Updated to ETSI TS 129 002 V8.1.0 (3GPP TS 29.002 V8.1.0 (2007-06) Release 8)
 * References GSM SS
 * References: 3GPP TS 24.080

For dissectors generated from the ASN.1 source (such as GSM MAP) you can check the ASN source, too:

http://anonsvn.wireshark.org/viewvc/viewvc.py/trunk/asn1/gsmmap/GSMMAP.asn?view=markup

- The K12 Tektronix analyzer give us the way to build ourself the
protocol stack corresponding to a specific GSM.xx or TS.xx
recommandation release ! Is it possible to add in your project a tool to
manage these protocol stacks, specialy because, for training and
pedagogic objectives, it should be nice to control exactly the output of
a trace decoding ?

Do you mean using specific versions of each protocol with some specific version of another protocol?

Wireshark could support that as each protocol dissector can have preferences to choose what standard/spec it uses--this is especially prevalent in the SIGTRAN dissectors which support several I-D's and the RFC version. AFAIK among the SS7 dissectors only the MTP3 dissector has a choice of standards: ITU, ANSI, Japanese, and Chinese though this choice then affects many of the other dissectors (e.g., ISUP, SCCP). Oh, I guess TCAP does support both the ANSI and ITU variants but it chooses the variant automatically.