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Thread: Network + AirPort Extreme = No Network

  1. #1
    glasgowd Guest

    Default Network + AirPort Extreme = No Network

    Hi--

    I apologize in advance if this issue has been addressed elsewhere, or if I ask stupid questions; I'm new to ZoneAlarm and networking.

    Until this week, we had a small network at home: a Dell PC and a MacBook Pro connected to a router, which was in turn connected to a cable modem. Everything was hunky-dory; either computer could access the other's iTunes library, for instance, and both could access the internet.

    I've added an Airport Extreme to the network, though, and now, while both still have internet connectivity, I can't get the computers to see each other, even when I eliminate the wireless aspect and connect the Mac directly to the Airport with an ethernet cable.

    Here's the wiring:


    MODEM



    |
    ROUTER PC



    |
    AIRPORT



    |


    MAC

    Now, I recognize that adding the AirPort to the network also adds three different IP addresses:

    10.0.1.1 = the AirPort router
    10.0.1.2 = the Mac (when connected wirelessly to the AirPort)
    10.0.1.3 = the Mac (when connected via Ethernet to the AirPort)

    I've tried adding each of those three IP addresses to ZA's Trusted zone, both individually, as a range, and using a subnet with the mask. No luck on any front.

    Am I missing something? (I'm assuming the IP of the router itself wouldn't be affected by the addition of the Airport, but I'm willing to be called a fool....)

    Thanks in advance....

    --David

    Operating System:
    Windows XP Home Edition
    Product Name:
    ZoneAlarm Internet Security Suite
    Software Version:
    6.5

    Message Edited by glasgowd on 07-03-2006 02:17 PM

  2. #2
    Join Date
    Dec 2005
    Posts
    9,057

    Default Re: Network + AirPort Extreme = No Network

    Take a look at Steve Gibson's explaination on NAT and double NAT. The secure network approach, not the answer you need, but does provide some insight.

    http://www.grc.com/nat/nat.htm

    http://www.grc.com/nat/nats.htm


    Tom's Hardware/Network has good info about the this topic( plus a lot of info about many things). You may find the answer in this site.

    http://www.tomsnetworking.com/2003/0...outer_sharing/

    Oldsod

    Message Edited by Oldsod on 07-05-2006 04:09 AM

    Operating System:Windows XP Home Edition
    Product Name:ZoneAlarm Anti-Spyware
    Software Version:6.5
    Best regards.
    oldsod

  3. #3
    glasgowd Guest

    Default Re: Network + AirPort Extreme = No Network

    AHA!

    Tom's solution sure looks like it'll work. I just need to run out and grab a crossover cable to test it out. I'll keep you posted... but THANKS so much for the pointers, Oldsod!

    : )
    David

  4. #4
    glasgowd Guest

    Default Re: Network + AirPort Extreme = No Network

    UPDATE: I followed the instructions at http://www.tomsnetworking.com/2003/0...ing/page3.html (with a few modifications because the second LAN computer is a Mac), and all is working perfectly!

    Thanks SO much for the quick, accurate help!

    : )
    David

  5. #5
    Join Date
    Dec 2005
    Posts
    9,057

    Default Re: Network + AirPort Extreme = No Network

    I am glad to hear a fellow user is up and running! Oldsod
    Best regards.
    oldsod

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