Wireshark-bugs: [Wireshark-bugs] [Bug 9427] New: T1 data in Ethernet payload had no dissector

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 13 Nov 2013 17:47:39 +0000
Bug ID 9427
Summary T1 data in Ethernet payload had no dissector
Classification Unclassified
Product Wireshark
Version 1.10.3
Hardware All
OS Windows 7
Status UNCONFIRMED
Severity Blocker
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected] 

Created attachment 12074 [details]
Output of Guisys to Wireshark_laptop

Build Information:
Version 1.10.3 (SVN Rev 53022 from /trunk-1.10)

Copyright 1998-2013 Gerald Combs <[email protected]> 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 Nov  1 2013), 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) i5-2520M CPU @ 2.50GHz, with 3979MB 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.
--
As asked and answered at
http://ask.wireshark.org/questions/26865/decode-for-t1-ethernet-payload , no
dissector for T1 data mapped into Ethernet payload currently exists.

My equipment vendor, Guisys, has developed a way to send all the T1 channels
into a single Ethernet packet's paylod.

The decode is required to understand if errors are present in the original
Ethernet encapsulated as Frame Relay, and transmitted in T1 frames.

Cisco source router - 
Serial2/0/2/16:0 is up, line protocol is up Hardware is PMC FREEDM, PMC TEMUX,
TDK LIU Description: XXXXXXXXXXXXX Encapsulation FRAME-RELAY IETF, crc 16,
loopback not set

T3 2/0/2 is up. Hardware is C10K Half Height CT3 line card Applique type is
Channelized T3 Controller is in channelized mode Description: XXXXXXXXXXXXXXXX
No alarms detected. Framing is M23 (Configured) Line Code is B3ZS, Clock Source
is Line

T1 16 is up timeslots: 1-24 No alarms detected. Framing is ESF, Clock Source is
Internal


Line diagram -
Src_router--T3--ch_16_T1>---monitor_panel--->Guisys tester>---Wireshark_laptop

See attached sample data

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