Wireshark-bugs: [Wireshark-bugs] [Bug 10251] New: GTPv1 SGSN Context Transfer does not decode du
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 02 Jul 2014 19:16:27 +0000
Bug ID 10251
Summary GTPv1 SGSN Context Transfer does not decode dual-stack PDP's
Classification Unclassified
Product Wireshark
Version 1.10.8
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Minor
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter geoffreyhart@sympatico.ca 

Build Information:
Version 1.10.8 (v1.10.8-2-g52a5244 from master-1.10)

Copyright 1998-2014 Gerald Combs <gerald@wireshark.org> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 2.24.14, with Cairo 1.10.2, with Pango 1.30.1, with
GLib 2.34.1, with WinPcap (4_1_3), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python,
with GnuTLS 2.12.18, with Gcrypt 1.4.6, without Kerberos, with GeoIP, with
PortAudio V19-devel (built Jun 12 2014), with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 2.12.18, Gcrypt 1.4.6, without AirPcap.
      Intel(R) Core(TM) i7-2720QM CPU @ 2.20GHz, with 16265MB of physical
memory.


Built using Microsoft Visual C++ 10.0 build 40219

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
In the SGSN Context Transfer message, in the PDP contexts, Wireshark does not
decode the Extended End User Address (EA) field, and most likely as a direct
result, does not decode the second IP (the 'extended address') in dual-stack
IPv4 & IPv6 PDP context.

See attached packet capture and expected decode of the same.

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