DSL Internet and Firewire Windows network at the same time?

I've got DSL internet via ethernet port on my Macbook and Firewire network with Windows, but it seems they can't work at the same time. If I turn DSL on first than firewire won't work and vice-versa. My guess that's because of the way MacOS X choose which port to use as Windows Sharing. Is there any way to choose manually which port to use?

Macbook, Mac OS X (10.4.11)

Posted on Jan 28, 2008 1:31 AM

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10 replies

Jan 28, 2008 2:14 AM in response to Sicarius Nox

I doubt firewire network with Windows. Maybe USB. You cannot connect both computers to the modem. You need a router to furnish each computer with its own ip address. Connect the modem to a router's WAN port using ethernet. Then each computer to the LAN ports of the router with ethernet. Power everything on and you're in business.

Jan 29, 2008 2:09 PM in response to Sicarius Nox

I want to turn on Windows sharing via Firewire system choose ethernet port for windows sharing instead of firewire.


Still not certain what we're trying to do... File Sharing, or Internet Sharing.

The Interface that connects to the Internet, needs to be drug to the top of Network>Show:>Network Port Configurations and checked ON. Lower ones will be used for other networking.

Jan 30, 2008 1:15 AM in response to Sicarius Nox

I'll try to explain this problem as full as possible.
I've got DSL modem which is connected to Macbook via Ethernet port and Macbook is the only thing connected to modem. Then I've got Windows XP machine which work as storage. It doesn't have internet connection and I don't want to share my internet connection from Macbook with it. The only thing I want is File Sharing. Everything work fine if only Ethernet or Firewire plugged. The problem is they can't work together. If drag Built-in Ethernet to top then Mac tries to connect to Internet via Ethernet and it tries to do File sharing via Ethernet too. As the result Internet is working and file sharing is not (it sets ip address of file sharing to Ethernet's ip address). If I drag Built-in FireWire to top then Mac tries to connect to Internet via Firewire and it tries to do File sharing via FireWire too. As the result Internet is not working and file sharing is working (it sets ip address of Internet to FireWire's ip address). I think when Mac starts searching for networks according to Network Port configuration list it found first network and stops searching and network that I set on top is working and another is not. Maybe Mac can be only at one network at the same time? That's why I asked is there any way to set ports for Internet and File Sharing manually?

Jan 30, 2008 1:28 AM in response to Sicarius Nox

Yes, it can be done, I get Internet and File share via Airport, Firewire, and USB Wifi adapter at the same time.

There is something a bit messed up with yours, and it may interfere with this method.

Start by Repairing Permissions and rebooting. Then Make a New Location for this setup.

Write down the IPs and Router IPs of both when each are at the top & working for the one thing.

In Network>TCP/IP tab>Configure IPv4, set it to Manually for each Interface one at a time, filling in the Internet working numbers for Ethernet and Apply, then goto the Firewire Interface, switch to Manually, fill in the numbers that worked for File Sharing, Apply.

Does it work this way?

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DSL Internet and Firewire Windows network at the same time?

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