Ethernet connectivity issues

Discussion in 'Mac Basics and Help' started by dsa, Nov 4, 2008.

  1. dsa macrumors newbie

    May 24, 2007
    For the past three months, I've had my Macbook connected to my modem via ethernet. I got a new modem about two weeks ago and had no problems connecting via ethernet cable until a few days ago. Now, when I look at the network connections list in the System Preferences, the built-in ethernet will stay on for about thirty seconds and then go red, go green, then red repeatedly. All I know is that it's not a faulty ethernet cable. Is there any way to tell if it's a problem with my modem or with my ethernet port? I don't have any other computers to connect via ethernet. Does anyone have any ideas as to what's causing the sudden issues?
  2. spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    Try switching off IPv6 under the Advanced settings of your Ethernet connection.

    Does that help?
  3. dsa thread starter macrumors newbie

    May 24, 2007
    Unfortunately it's still going red/green/red/green.

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