<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>I am using Wireshark on Windows XP professionnal SP2<BR><BR>--- En date de : <B>Mar 3.11.09, Gianluca Varenni <I><gianluca.varenni@cacetech.com></I></B> a écrit :<BR></DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid"><BR>De: Gianluca Varenni <gianluca.varenni@cacetech.com><BR>Objet: Re: [Winpcap-users] acquisition position<BR>À: winpcap-users@winpcap.org<BR>Date: Mardi 3 Novembre 2009, 16h35<BR><BR>
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<DIV><FONT size=2>What is the name and description of the adapter you are capturing from? Which operating system?</FONT></DIV>
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<DIV><FONT size=2>Have a nice day</FONT></DIV>
<DIV><FONT size=2>GV</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial"><B>From:</B> <A title=michel.tempo@yahoo.fr href="http://fr.mc246.mail.yahoo.com/mc/compose?to=michel.tempo@yahoo.fr" target=_blank rel=nofollow ymailto="mailto:michel.tempo@yahoo.fr">Michel NoSpam</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=winpcap-users@winpcap.org href="http://fr.mc246.mail.yahoo.com/mc/compose?to=winpcap-users@winpcap.org" target=_blank rel=nofollow ymailto="mailto:winpcap-users@winpcap.org">winpcap-users@winpcap.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, November 03, 2009 12:59 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Winpcap-users] acquisition position</DIV>
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<DIV>Hello, </DIV>
<DIV><BR> </DIV>
<DIV>I would to know a which level Wireshark/Winpcap samples the IP packets.<BR>I use a mobile phone as a modem (DUN). A flow control permits to adjust the data flow from the PC to the modem.</DIV>
<DIV><BR>We have a downlink and a uplink data flow.</DIV>
<DIV>Because of this flow control, we can see that the downlink TCP data are not acknowledge immediately.<BR></DIV>
<DIV>I would like to know where wireshark samples the data?</DIV>
<DIV>When the data leave the ipstack or when the data leave the PC?</DIV>
<DIV>Can I configure wireshark/winpcap to sample the packet a layer 3?</DIV>
<DIV>(I am affraid it could have some important delay between layer3 -> layer 2 -> layer 1)</DIV>
<DIV><BR>(stack ip -> PPP -> USB -> modem) <BR></DIV>
<DIV><BR>Thanks a lot. <BR>Michel</DIV></TD></TR></TBODY></TABLE><BR>
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