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Sharing an internet connection via bluetooth -- help needed please

5179 Views 3 Replies Latest reply: Dec 22, 2009 7:22 PM by RSS
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Dec 6, 2009 10:25 AM
I've spent about 15 minutes searching for this answer here and on the web to no avail. I have a new MacBookPro and am trying to use my internet connection from my G5 that is wired to a cable modem. They are both connected via a firewire cable. They both have bluetooth.

My questions are:

Can I connect them to share the internet connection from my desktop?
Will this work via Bluetooth, Firewire, one or both?

Help with this and any other advice will be most appreciated!
MacBookPro, Mac OS X (10.6.2), Dual 2.7 G5 PowerPC running 10.4.11
  • deh2k Level 4 Level 4 (1,765 points)
    You should be able to share your internet connection with either Bluetooth or Firewire. Firewire would be preferred since it is faster and more reliable. Go into the Sharing System Preferences and check the Internet Sharing box. Then select to share the network from Firewire. You may have to open the Network System Preferences on your MacBook Pro to enable Firewire networking.

    All this information is from Snow Leopard. I honestly can't remember how it worked with Tiger. But I hope it's pretty much the same.

    If your G5 supports wifi (i.e., has an AirPort card) then I recommend you consider getting an AirPort Express base station to connect to your cable modem instead of sharing the network via your G5. Or an AirPort Extreme, which supports both Wifi and ethernet connections.
    MacBook Pro, Mac OS X (10.6.2), My other computer is a Prius
  • Level 1 Level 1 (25 points)
    I am also looking for help on this topic, preferably something more specific than "this should work".

    I am tethering my G4 Powerbook to my cellphone via an ad-hoc airport connection. This part works fine.

    I have a second Mac that has a defective wireless card, but it does have an external bluetooth dongle.

    I am able to make a bluetooth connection between the two Macs to transfer files, etc.

    the question is how to set up the Powerbook to share its internet connection to the other Mac. Yes, I have turned on internet sharing via bluetooth. The real question is around the TCP/IP settings to be used.

    My phone (an HTC Magic running Android 1.6 and the 'Wireless Tether for Root Users' app has an IP address of internally and provides DNS at From my Powerbook, I can ping the phone at

    Below are the IP settings for the Powerbook. My Powerbook's IP address for its airport connection is set by DHCP and is receiving the IP of

    en0: (henh? what's this all about?)
    en1: (assigned by DHCP)
    en2: (self-assigned) but ifconfig also says "inet" for this interface.

    And the IP settings for the other Mac:
    en2: 192.168.32 (by DHCP). Notice that this is on the same subnet as the Powerbook. That should be good, right? Except that the Powerbook's PAN connection has self-assigned IP on a different, non-functioning subnet.

    What is the right way to set up this type of internet sharing by bluetooth PAN so that it actually works?

    Any suggestions or pointers will be welcome.

    iMac alu. 20", Powerbook 15", Mac Mini (server), original Macintosh, Touch 8GB, Mac OS X (10.5.7), Also, Ubuntu Linux, WinXP in Parallels


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