Hi,<div>On both the box I am using Intel Ethernet adapter. On 32 bit platform it works perfectly fine and even my application is also able to capture the traffic.</div><div>But on 64 bit platform neither my application nor wireshark captures the traffic. And since both of these application uses winpcap library therefore I believe it could be an issue with winpcap.</div>
<div><br></div><div>It would be great if you can help me to fix my application.</div><div><br></div><div>Thanks,</div><div>Pushkar<br><br><div class="gmail_quote">On Fri, Oct 8, 2010 at 2:32 PM, Gianluca Varenni <span dir="ltr"><<a href="mailto:gianluca.varenni@cacetech.com">gianluca.varenni@cacetech.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">In addition to way Guy correctly pointed out, the wireshark wiki has some<br>
more details on capturing VLAN-tagged packets at<br>
<br>
<a href="http://wiki.wireshark.org/CaptureSetup/VLAN" target="_blank">http://wiki.wireshark.org/CaptureSetup/VLAN</a><br>
<br>
Have a nice day<br>
GV<br>
<br>
--------------------------------------------------<br>
From: "Guy Harris" <<a href="mailto:guy@alum.mit.edu">guy@alum.mit.edu</a>><br>
Sent: Friday, October 08, 2010 2:02 PM<br>
To: <<a href="mailto:winpcap-users@winpcap.org">winpcap-users@winpcap.org</a>><br>
Subject: Re: [Winpcap-users] Vlan tagged traffic not capture on 64<br>
bitWindows<br>
<div><div></div><div class="h5"><br>
><br>
> On Oct 8, 2010, at 1:32 PM, Pushkar Tiwari wrote:<br>
><br>
>> I am having Winpcap 4.1.1 installed on my 64 bit Windows 2008 Server box.<br>
>> I have developed application using winpcap to capture network packets in<br>
>> prominiscous mode.<br>
>> My application works perfectly fine when I try to capture normal traffic,<br>
>> but it fails to capture VLan tagged traffic. I even tried to capture<br>
>> using wireshark, but even it failed for VLan tagged traffic.<br>
>><br>
>> Same applciation works on Windows 32 bit machine<br>
><br>
> Do the 32-bit Windows machine and the 64-bit Windows machine have exactly<br>
> the same type of Ethernet adapter with the exact same version of the<br>
> driver?<br>
><br>
> If not, there's more of a difference between the two machines than 32-bit<br>
> vs. 64-bit. Different adapters and drivers can handle VLAN-tagged traffic<br>
> differently.<br>
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</div></div></blockquote></div><br></div>