Internet Problems with MAC and PC

Discussion in 'Mac OS X 10.3 (Panther) Discussion' started by max jones, Dec 30, 2004.

  1. max jones macrumors newbie

    Joined:
    Dec 30, 2004
    #1
    We have had both our MAC and PC conected to an ADSL modem for several months and everything has been running great untill about 3 days ago when the PC wouldnt conect to the internet. (ive resolved this bit i think)
    We have the MAC running of the ethernet on the modem and the PC off the USB on the modem (its a modem router)
    But now when the PC is conected to the internet the MAC wont conect and vise a versa

    The MAC doesnt have any firewalls that i am aware of and i know the PC doesnt have any at all.

    Please help me out.
     
  2. Gee macrumors 65816

    Joined:
    Feb 27, 2004
    Location:
    London, UK
    #2
    I'm not sure how to fix it because I'm no expert, but the reason you can't connect them both at the same time is because the modem/router is only providing one IP address, and you have two computers. When one computer is connected, it uses the IP address and the second computer then can't get one. There's a setting somewhere on the router that allows you to 'distribute IP addresses'. Someone else on here will likely be able to help a little more ;-)
     
  3. Xtremehkr macrumors 68000

    Xtremehkr

    Joined:
    Jul 4, 2004
    #3
    Somebody hasn't read the noob thread. Those who use MAC earn a newb plaque. Terrible, just terrible.
     
  4. ChrisBrightwell macrumors 68020

    ChrisBrightwell

    Joined:
    Apr 5, 2004
    Location:
    Huntsville, AL
    #4
    Buy an ethernet-based router. What you're doing (both machines on the same modem) is, most likely, not what the modem's dual interface was designed for.
     
  5. Westside guy macrumors 601

    Westside guy

    Joined:
    Oct 15, 2003
    Location:
    The soggy side of the Pacific NW
    #5
    I have to agree with ChrisBrightwell. I'm not sure why your setup worked for so long before, but my cable modem has both connections like yours - and it seems to me like the documentation implies you can only use one or the other; not both.

    Since you're not using wireless, you can just buy a cheap D-Link or Linksys 4-port router. This also has the advantage of providing some firewalling between your computers and the internet at large, since the router will use NAT (Network Address Translation) to connect your computers. This means your computers can see the internet, but the internet can't see your computers since they'll be on what's known as a private non-routable subnet.
     
  6. Mechcozmo macrumors 603

    Mechcozmo

    Joined:
    Jul 17, 2004
    #6
    He is talking about this... Linkety!

    Read it, live it, worship it... :rolleyes:
     

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