Can't Access internet through router?

Discussion in 'Mac Accessories' started by thriii, Dec 1, 2007.

  1. thriii macrumors 6502

    Feb 14, 2007
    Yesterday I had to change the modem I use and I can't connect to the internet using the router now. The router is a wired Linksys BEFSR41 ver. 2.1 and the modem is a Ambit SpeedStream U10C018. When the Modem is connected directly I can get an IP fine but when its connected to the router I always get a IP. Is there an extension I can delete or something that will work so I can get an IP Address through my router or anything else I can try? In Network Diagnosis I get green lights for Built-in Ethernet, Network Settings, ISP but Internet and Server are always red saying "failed". Any Suggestions?
  2. Stampyhead macrumors 68020


    Sep 3, 2004
    London, UK
    Who is your internet service provider? I know certain ones (including Comcast) require that the router clone the MAC address of your computer's ethernet port in order for the router to get an IP address. Most routers have a setting that will let you do this.
  3. thriii thread starter macrumors 6502

    Feb 14, 2007
    well i had comcast.. but it turned into time warner here so i probably have to clone the MAC address of my computers ethernet.. how do i do this?

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