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Can't Connect to Internet directly through the Modem

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  • 25-07-2008 3:44pm
    #1
    franman
    Registered Users Posts: 260 ✭✭


    So the internet works fine when my desktop is connect via a router. However if I try to bypass the router and connect my desktop directly to the modem I get nothing :confused: any ideas?


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    #2
    Alun
    Registered Users Posts: 21,455 ✭✭✭✭Alun


    If it is indeed just a modem, then you'll need to set up a PPPoE connection on your desktop in order to be able to connect to the Internet.

    See http://support.microsoft.com/kb/283070


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    #3
    dub45
    Moderators, Technology & Internet Moderators Posts: 12,448 Mod ✭✭✭✭dub45


    Could you give details of your set up exactly? the modem may be a router which has been put into bridge mode?


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    #4
    DECEiFER
    Registered Users Posts: 3,212 ✭✭✭DECEiFER


    Perhaps you have custom settings put into your Local Area Connection's TCP/IP properties, such as the Default Gateway and Subnet Mask?

    Other than that, you can try plugging in the modem, and repairing your connection. Or, you could disable the Local Area Connection and re-enable it again.

    If none of that applies or works for you, then your problem is probably deeper and possibly resides within your modem as already suggested.


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    #5
    franman
    Registered Users Posts: 260 ✭✭franman


    dub45 wrote: »
    Could you give details of your set up exactly? the modem may be a router which has been put into bridge mode?

    Its a UPC setup. Modem is Scientic Atlanta and router is a Netgear WGR614. Usuall I connect the desktop via a Netgear USB wireless adapter. I tried hooking up the desktop straight to the modem to do a speed check and found that it wouldn't connect to the internet. It will connect if I hook up the modem to the router and the router to the desktop via wire.
    DECEiFER wrote: »
    Perhaps you have custom settings put into your Local Area Connection's TCP/IP properties, such as the Default Gateway and Subnet Mask?

    Other than that, you can try plugging in the modem, and repairing your connection. Or, you could disable the Local Area Connection and re-enable it again.

    If none of that applies or works for you, then your problem is probably deeper and possibly resides within your modem as already suggested.

    I have port forwarded the router. I tried going back to obtain IP automatically but I kept getting an error message saying "could not obtain an IP address"

    Alos I tried my old Motorola NTL modem and I couldn't get the internet working at all


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    #6
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Do UPC use MAC address filtering, i.e. if you change your router or PC you need to register the new MAC? I know it's the case on some cable networks.

    Try spoofing the MAC of the WAN port on your router maybe?


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    #7
    guil
    Registered Users Posts: 10,494 ✭✭✭✭guil


    i'm with upc aswell and had this problem but got it fixed by goin to properties on the lan and selectin auto for the ip and dns in tcp/ip settins


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