1 LAN, my pc with 2 network cards. Can I get twice the bandwidth?

Posted on 2005-04-22
Last Modified: 2010-03-18

I recently had a new network card installed into my pc (I was told the other one was too slow).

As both cards are capable of running at 100MB (and from what I can tell, they are), is there a way to combine them so I can have a 200MB connection?

This is for intranet only, not out onto the internet which is provided by our proxy/firewall solution. My cards are connected to the same mini-hub (10/100MPs and 1GB) which connects to a 1GB switch (along with the 80 or so other users). The mini hub has one other person connected and the CCTV digital box.

Both cards are working fine at the moment. I have 2 IP addresses - one static as I have a web server on the pc, the other is DHCP'd.


Richard Quadling.
Question by:RQuadling
    LVL 95

    Accepted Solution

    To do this, you'd have to have two NICs that support NIC Teaming, if your IT people said one is too slow, I tend to think it doesn't support NIC teaming.
    LVL 13

    Assisted Solution

    Yes you will need to apply some form of load balancing, and then it is not 200mb it is an additional connection once your other connection is topped out.  So one thread will only go through one NIC.  
    LVL 40

    Author Comment

    And is there anything, as a standard part of Win XP Pro SP2, that will do either load balancing or teaming?

    LVL 95

    Expert Comment

    by:Lee W, MVP
    I've never tried this with XP.  As I said Teaming requires two NICs to support it.  and I've only done it with Servers.
    LVL 40

    Author Comment

    leew. I see.

    I've been running some monitoring on the PC. It seems that some requests go down 1 card and others down the other. Very strange.

    It may be that XP has some built in tech for this, or it may just be a fluke!

    Oh well.
    LVL 40

    Author Comment

    And overall, it seems to be slightly slower in operation!


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