Wireshark-bugs: [Wireshark-bugs] [Bug 12785] New: Traffic preview may not work if all items in W
Date: Thu, 25 Aug 2016 07:04:10 +0000
Bug ID 12785
Summary Traffic preview may not work if all items in Windows configuration are disabled
Product Wireshark
Version 2.0.5
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Normal
Priority Low
Component Qt UI
Assignee bugzilla-admin@wireshark.org
Reporter thomas.weller@kaba.com

Created attachment 14849 [details]
Screenshot of traffic preview

Build Information:
Version 2.0.5 (v2.0.5-0-ga3be9c6 from master-2.0)

Copyright 1998-2016 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 Qt 5.3.2, with WinPcap (4_1_3), with libz 1.2.8, with
GLib 2.42.0, with SMI 0.4.8, with c-ares 1.11.0, with Lua 5.2, with GnuTLS
3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with locale
German_Germany.1252, with WinPcap version 4.1.3 (packet.dll version
4.1.0.2980),
based on libpcap version 1.0 branch 1_0_rel0b (20091008), with GnuTLS 3.2.15,
with Gcrypt 1.6.2, without AirPcap.
Intel(R) Core(TM) i7-4702MQ CPU @ 2.20GHz (with SSE4.2), with 16265MB of
physical memory.


Built using Microsoft Visual C++ 12.0 build 40629

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

Check the man page and http://www.wireshark.org for more information.
--
My setup is as follows:

- "normal" LAN connection which I use for Intranet and Internet access
- WLAN is typically disabled (if I'm not in a meeting room)
- VirtualBox adapter which is typically disabled
- USB adapter which is connected to the monitoring/mirroring port of my switch

Since the USB adapter cannot send data on the mirroring port anyway, I have
removed all items in the Windows network adapter configuration (see
attachment).

In that case, the Wireshark traffic preview does not show any traffic (see
attachment). 

Wireshark will still capture traffic when the USB adapter (mirroring port) is
selected. In that case, a second instance of Wireshark will even show traffic
in the preview. As soon as the second instance is closed, the traffic indicator
is back at zero.

Looking at the screenshots will clarify if the textual description is poor.


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