10mbps instead of 100mbps
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Thread: 10mbps instead of 100mbps

  1. #1
    Join Date
    Mar 2003
    Location
    Tennessee
    Posts
    10

    10mbps instead of 100mbps

    I am having problems getting our network to run on the 100mbps speed. It runs fine on the 10mbps full-duplex but won't work on the 100. I have 5 computers and all of them have the 10/100 NIC cards. Also, I am using a 10/100 Switch with the RJ-45 Cat-5e wire. I am using Windows XP Home edition. Anyone have any ideas of what to check?

  2. #2
    Join Date
    Oct 2002
    Location
    Great Britain
    Posts
    4,433
    How do you determine what speed they are running at - you are looking at the indicators on the switch ?

    Switch ports are generally auto-negotiating - i.e. they determine the speed the NIC can communicate with. Sometimes this fails and they will drop to 10Mbps. You can set the NIC to 100Mbps and see what happens. If all the NICs are running at 10Mbps then I would suspect a failure in the switch.

    Greenstead
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  3. #3
    Join Date
    Mar 2003
    Location
    Tennessee
    Posts
    10

    10mbps speed

    When we change the speed of the card to 100mbps it stops receiving data. But, if we change it back to the 10mbps speed it starts receiving again.

  4. #4
    Join Date
    Mar 2003
    Location
    Tennessee
    Posts
    10

    it's working

    Thanks for the help, but Windows XP wasn't the problem. My wiring was the problem. I found out that the network only uses pins 1,2 and 3,6. They must be used in the same pair, like orange and white/orange and green and white/green. I thought as long as it was wired straight through, then it was ok. Well, it's not!!


    Here is the site I went to:

    http://www.datacottage.com/nch/testing.htm


    I hope this helps, it sure helped me!

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