Re: position acquisition

[Stephen Fisher <steve () stephen-fisher com>]

On Oct 30, 2009, at 4:42 AM, Michel NoSpam wrote:

> I would to know a which level Wireshark samples the IP packets.
> I use a mobile phone as a modem (DUN). A flow control permits to  
> adjust the data flow from the PC to the modem.
>
> We have a downlink and a uplink data flow.
> Because of this flow control, we can see that the downlink TCP data  
> are not acknowledge immediately.
> I would like to know where wireshark samples the data?
> When the data leave the ipstack or when the data leave the PC?
>
> (stack ip -> USB -> modem)

On Windows (which it sounds like you're running), Wireshark uses the  
WinPcap library to do the actual capturing.  You can find more  
information on WinPcap at their web site, http://www.winpcap.org,  
including links to mailing lists where they may be able to provide  
more details for you.


Steve
  
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