Problem for Intel 915GUX

Posted on 2006-05-10
Last Modified: 2013-11-13
I have a customer have the problem for Intel 915 GUX

When they trying to connect to their network the onboard NIC is sending a Mac
>address of 0C:00:00:00:00:00 to the switch.  The switch doesn't
>recognise the Mac address and shuts down the port. When they check the Mac
>address from the actual PC the Mac address is reported as
>They can re-enable the port and get the NIC talking, get an IP etc but it
>either drops out without warning or shuts down the port the next time
>the PC is rebooted.  They tested all the cables and tried different ports
>on different switches and the problem still persisted.
>All there network gear is CISCO and we are using VMPS.
>The PC asset name is:   0306-49155-TC
>The board is a:   Intel D915GUX with Gigabit LAN

We already try to replace another new motherboard for them, but same problem happen. any idea ?
in Hurry
Question by:domdig
    LVL 3

    Expert Comment

    Check that the user did not install any mac address spoofing tools.

    Stanley Louissaint

    Author Comment

    Sorry I am not good in that!
    What's the meaning of spoofing tool, and how's it work?
    LVL 3

    Accepted Solution

    In this case spoofing means that the software is going to modify the actual mac address of the computer utilizing software and is going to broadcast what the user specified.

    Stanley Louissaint

    Featured Post

    Live: Real-Time Solutions, Start Here

    Receive instant 1:1 support from technology experts, using our real-time conversation and whiteboard interface. Your first 5 minutes are always free.

    Join & Write a Comment

    The DSL Parameters part of this article is valid and can be considered with any brand of internet router and modem (Dlink, 3com, Alcatel, Usrobotics, Parks), by accessing the configuration interface available by the manufacturer eg: …
    Some time ago I was asked to set up a web portal PC to put at our entrance. When customers arrive, they could see a webpage 'promoting' our company. So I tried to set up a windows 7 PC as a kiosk PC.......... I will spare you all the annoyances I…
    Get a first impression of how PRTG looks and learn how it works.   This video is a short introduction to PRTG, as an initial overview or as a quick start for new PRTG users.
    In this tutorial you'll learn about bandwidth monitoring with flows and packet sniffing with our network monitoring solution PRTG Network Monitor ( If you're interested in additional methods for monitoring bandwidt…

    754 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    25 Experts available now in Live!

    Get 1:1 Help Now