Wireshark mailing list archives

Re: Wireshark-users] Nvidia MCP onboard wired 10/100/1000 NIC


From: Steve Gladden <steve () michiganbroadband com>
Date: Wed, 25 Jan 2012 13:18:25 -0500

What feedback were you able to glean from the NIC and/or (usually, "or") chipset manufacturer?
Good questions:

I have an open ticket with Gigabyte (no useful reply yet).
 
And also have an email out to nicfae () realtek com with my questions regarding promiscuous mode in Win7 64bit with 
WinPcap and Wireshark.
Still waiting for a response from there as well.
I'll update here when I have.

Seriously.. am I really the only person who's tried this with this very common integrated Realtek chip asked about it? 
:-)
Just a little surprised that nobody here yet had already been through this with this chip and had any experience to 
share.
Fun!


Steve Gladden
 
Michigan Broadband Systems
Connecting Your Business!



+1 734.527.7150 Direct
+1 248.327.4389 Fax
steve () michiganbroadband com
www.michiganbroadband.com


-----Original Message-----
From: wireshark-users-bounces () wireshark org [mailto:wireshark-users-bounces () wireshark org] On Behalf Of Kevin 
Cullimore
Sent: Wednesday, January 25, 2012 8:03 AM
To: wireshark-users () wireshark org
Subject: Re: [Wireshark-users] Wireshark-users] Nvidia MCP onboard wired 10/100/1000 NIC

On 1/24/2012 11:34 PM, Steve Gladden wrote:
I'm still trying to figure out why cannot capture in promiscuous mode on the stated Realtek WIRED NICS built on 
motherboards.
I've still been unable to find a definitive list on what non wired Ethernet hardware does not do promiscuous mode 
with winpcap/wireshark.
Any ideas?
These are quite common and I still would like to know with some kind of reference to something why they are not 
working in wireshark.

Thanks!!
What feedback were you able to glean from the NIC and/or (usually, "or") chipset manufacturer?


Dave, I've of course already done this as had been mentioned in my post.
The point of my posting to the list is this is the first time I've ever come across a WIRED Ethernet Interface type 
that I could not capture on in promiscuous mode.
It's got me incredibly curious as to if it's a chip or driver issue and if it's by design or was it turned off 
somewhere where it may be re-enabled.
This is common with wireless devices but NOT wired Ethernet adaptors.

I'm looking for more information or pointers as to why this does not work with the particular onboard Realtek device 
mentioned as well as a list of any other non wireless hardware that does not work and why.
You mention that some NICS don't work.. aside from most wireless 802.11x devices can you point me toward or suggest a 
list of what WIRED devices do not work and why this might be?

I already know it doesn't work, and that I can use a different card, I'd also like to know why it doesn't work.

Thanks.

Steve





Then install a NIC that is known to work in promiscuous mode.  Some NICs just don't.


--
Dave
Multi-AV Scanning Tool - http://multi-av.thespykiller.co.uk
http://www.pctipp.ch/downloads/dl/35905.asp











That be the problem from my tests the device WILL NOT do promiscuous mode!

I'm very used to this behavior from wireless NICS but this has me scratching my head.
Is this feature disabled behavior built into the chipset or drivers?
And might you be able to point me in the direction of enabling the feature for these devices?
Of course checking the checkmark within wirehark has no affect nor does it generate an error.. It captures but only 
Broadcast packets and things addressed to the card itself.  (same as if it's not checked) Moving over to a PCIe or 
PCI Installed Intel or Broadcom card works fine as expected on this same setup.
The NVIdia NIC is working normally and has excellent performance aside from my not being able to get ti to capture in 
promiscuous mode.

Nic in question is:
RealtekRTL8211CL tied into an NVIDIA GeForce 7025/nForce 630a motherboard chip.
Motherboard is a Gigabyte GA-m68MT-S2P (AMD socket AM3 CPU).

Running Win7 64bit very clean install and up to date.

Wireshark&  WINPCAP  info:

Version 1.6.5 (SVN Rev 40429 from /trunk-1.6)

Compiled (64-bit) with GTK+ 2.22.1, with GLib 2.26.1, with WinPcap 
(version unknown), with libz 1.2.5, without POSIX capabilities, 
without libpcre, without SMI, with c-ares 1.7.1, with Lua 5.1, without 
Python, with GnuTLS 2.10.3, with Gcrypt 1.4.6, without Kerberos, with 
GeoIP, with PortAudio V19-devel (built Jan
10 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 2.10.3, 
Gcrypt 1.4.6, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 21022

All run as administrator on a local administrator account.

Thoughts? Flames?  Did I miss something OBVIOUS in the documentation about Nvidia or Realtek chipsets&  drivers?

I'm not finding it!  :)


Steve Gladden

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