[Winpcap-users] Multi modems capture

[Gianluca Varenni]

As I said in my previous mail, the MAC destination of the packets that you capture on the "Generic Dialup/VPN adapter" is different for every modem on the system. The only problem is matching each MAC address with the modem. I don't remember now, but I'm kinda sure that the IP helper API returns such fake MAC addresses.

Hope it helps
GV



----- Original Message ----- 
  From: Livhu Samuel Tshisikule 
  To: 'winpcap-users at winpcap.org' 
  Sent: Thursday, November 15, 2007 12:04 AM
  Subject: RE: [Winpcap-users] Multi modems capture


  Hi, 

   

  Thanks a lot. The problem that we are having is that we make 4 connections(4 modems) to the ISP at the same time and we want to see if the data is going out/coming on the right interface. When you make a connection to the ISP the default route on the PC is the IP address of the modem. If there are more than one modem how can we prove that the packets are going out on the correct interface?

   

  Regards

  Livhu

   


------------------------------------------------------------------------------

  From: winpcap-users-bounces at winpcap.org [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Gianluca Varenni
  Sent: Wednesday, November 14, 2007 6:50 PM
  To: winpcap-users at winpcap.org
  Subject: Re: [Winpcap-users] Multi modems capture

   

  Unfortunately windows aggregates all the traffic from the various modems into a single interface, and WinPcap does not de-multiplex such traffic. An easy workaround to the problem is to parse the MAC source/dest of each packet. Packets from different modems have a different (fake) MAC address.

   

  Hope it helps

  GV

    ----- Original Message ----- 

    From: Livhu Samuel Tshisikule 

    To: 'winpcap-users at winpcap.org' 

    Sent: Wednesday, November 14, 2007 4:55 AM

    Subject: [Winpcap-users] Multi modems capture

     

    Hi,

     

    I am new to winpcap, I have a machine with 4 wireless modems. Currently I am not able to see separate packets on each modem. Using wireshark I see the same traffic on all the modems although it shows me different IP addresses for the each devices.

     

    How do I capture the traffic on each device?

     

    OS Windows XP

    Winpcap 4.0.1

     

    Regards

    Livhu 

    "This e-mail is sent on the Terms and Conditions that can be accessed by Clicking on this link http://www.vodacom.co.za/legal/email.jsp " 


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