Wireshark-bugs: [Wireshark-bugs] [Bug 12518] New: Enhancement request- Dissector for Cisco Nexus
Date: Mon, 13 Jun 2016 19:23:14 +0000
Bug ID 12518
Summary Enhancement request- Dissector for Cisco Nexus Time Tag
Product Wireshark
Version unspecified
Hardware x86-64
OS Windows 7
Status UNCONFIRMED
Severity Major
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter smercatili@gmail.com

Created attachment 14643 [details]
Cisco Time tag trace

Build Information:
Version 1.8.0 (SVNRev 43431 from /trunk-1.8)

Copyright 1998-2012 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 (32-bit) with GTK+ 2.24.10, with Cairo 1.10.2, with Pango 1.30.0, with
GLib 2.32.2, with WinPcap (4_1_2), with libz 1.2.5, without POSIX capabilities,
with SMI 0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS
2.12.18, with Gcrypt 1.4.6, with MIT Kerberos, with GeoIP, with PortAudio
V19-devel (built Jun 21 2012), with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.2 (packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 2.12.18, Gcrypt 1.4.6, without AirPcap.

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.
--
requesting an dissector enhancement to decode Cisco Nexus Time tag.   This is
an total length 6 byte "shim" inserted with ethertype of 0xBB85 or 0xbb86. 


bytes 13/14 Ethertype 0xBB85 or 0xbb86
bytes 15-20 6 byte time tick in NS
bytes 21/22 actual ethertype (0x0800 for IP or 8100 for dotQ tag).


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