Wireshark-bugs: [Wireshark-bugs] [Bug 4197] New: Neighbour Cell Description 2 decode error
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 2 Nov 2009 18:20:25 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4197

           Summary: Neighbour Cell Description 2 decode error
           Product: Wireshark
           Version: 1.2.3
          Platform: x86
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: slump2000@xxxxxxxx


Created an attachment (id=3892)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=3892)
screenshot for "unknow format" Neighbour Cell Description 2

Build Information:
Compiled with GTK+ 2.16.2, with GLib 2.20.3, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with c-ares 1.6.0, with Lua 5.1, with GnuTLS 2.8.1, with Gcrypt 1.4.4, with MIT
Kerberos, with GeoIP, with PortAudio V19-devel (built Oct 27 2009), with
AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.1
(packet.dll version 4.1.0.1753), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.1, Gcrypt 1.4.4, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 30729
--
in epan/dissectors/packet-gsm_a_rr.c , both de_rr_neigh_cell_desc and
de_rr_neigh_cell_desc2 call dissect_arfcn_list, but accroding to ts44.018, the
"Neighbour Cell Description" and "Neighbour Cell Description 2" have different
format ID, "Neighbour Cell Description" use bit 128,127,124,123,122 ,
"Neighbour Cell Description 2" use bit 128,124,123,122.  in
dissect_arfcn_list() use bit 128,127,124,123,122 to decode format id , so for
"Neighbour Cell Description 2", it report unknown format id. attach is the
screenshot for "system infomation type 5ter" which use "Neighbour Cell
Description 2"


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