Configure AirPort Express over Ethernet

Discussion in 'Mac Basics and Help' started by Cor anglais 16, Jan 7, 2010.

  1. Cor anglais 16 macrumors newbie

    Jan 7, 2010
    I am attempting to set up a wireless network with an AirPort Express in order to access the Internet from my iPod touch. My computer is a 2002 PowerBook G4/667 running OS X 10.4.11 (the latest OS it can run), and according to an Apple Store Genus, either the AirPort card or the AirPort antenna is shot, rendering the PowerBook useless as a wireless device. Adding to the pain, my cable modem has only one Ethernet port. Hence, I have purchased a Belkin F5D5050 USB/Ethernet adapter (and installed USBPegasusEthernet 1.0.9 as a kernel extension to make it work), which I plan to use to connect the AirPort Express to the computer (via the Ethernet port on the Express and the USB port on the PowerBook). The modem would be connected via Ethernet directly to the PowerBook's sole Ethernet port. Everything I read on the Internet says that I should be able to configure the AirPort Express over Ethernet via AirPort Admin Utility, but the utility doesn't seem to see the Express, even if I directly connect them to each other (one Ethernet port to the other). Does anyone have any ideas as to how I could make my network operational?

    Thanks much,
  2. patrick0brien macrumors 68040


    Oct 24, 2002
    The West Loop
    -Cor anglais 16

    You are correct, ethernet is indeed the way to configure the express, or any wireless device for that matter, because any change you make while conected wirelessly would kick you off.

    As for why it's not visible, good question.

    I would perform a hardware reset on the express.

    1. unplug it totally.
    2. using a paperclip, hold the reset button down for 10 seconds - still unplugged.
    3. still holding the reset button in, plug it back in to power, and continue holding the button on for another 10 seconds.
    4. if you are successful, the light should blink rapidly

    Ensure the Airport Admin utility is the latest version.

    Reconnect the express with ethernet and launch the utility.

    You should be able to see it then.

    Let us know how you are doing at that point.
  3. Cor anglais 16 thread starter macrumors newbie

    Jan 7, 2010
    Thanks very much… I updated from whatever it is I had to AirPort Admin Utility for Graphite and Snow 4.2.5, and additionally downloaded AirPort Utility 5.4.2… after the hard reset and software update the Express was still invisible… until a restart! After restarting both the computer and the Express, AirPort Utility can see the Express and configure it, even when the Express is plugged in through the Belkin USB/Ethernet adapter.

    However, the Express still can't connect to the Internet—it seems something is preventing the Internet connection from traveling between the computer's Ethernet port and the USB port to which the Belkin adapter and the Express are attached. The network configuration for the adapter (the default name for some reason is Ethernet Adaptor (en2)) shows no IP address, subnet mask, or router. The Network Status screen reads, "The cable for Ethernet Adaptor (en2) is connected, but your computer does not have an IP address and cannot connect to the Internet." Wrong—the computer certainly does have an IP address, and I'm connected to the Internet, just not through Ethernet Adaptor (en2). How do I get the adapter to recognize the Internet connection from the Ethernet port? If I perhaps set the Ethernet Adaptor (en2) network configuration to manual and copy over the IP address, etc. from the Ethernet configuration, might that work, or would that screw things up further?

    UPDATE: I just tried the approach in that last sentence; it did indeed screw things up further, rendering the Express again undiscoverable by the computer. Returning the network configuration for the adapter to DHCP fixed that. The AirPort Express still can't connect to the Internet through the adapter.
  4. pelloir macrumors newbie

    Nov 16, 2008

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