How to know which of multiple network interfaces is being used by the traffic?

Discussion in 'Windows Networking' started by Carlos Felipe França da Fonseca, Apr 20, 2010.

  1. I am running Windows Server 2003.
    I need to know which of my multiple network interfaces is being used as the
    path for my network traffic. How to do it?
     
    Carlos Felipe França da Fonseca, Apr 20, 2010
    #1
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  2. It uses the one the Routing Table tells it to use based on what the
    destination is.
     
    Phillip Windell, Apr 20, 2010
    #2
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  3. Carlos Felipe França da Fonseca

    Bill Grant Guest

    Indeed. It depends entirely on where the traffic is going. If it is being
    delivered directly (ie "on the wire", not through a router) it must use the
    NIC which is in the same IP subnet as the target machine. If it needs to be
    routed, it must use the NIC which is in the same IP subnet as the router.
     
    Bill Grant, Apr 21, 2010
    #3
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