Internet Sharing using Cross-Over cable

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    Internet Sharing using Cross-Over cable

    Internet Sharing using Cross-Over cable

    Networking betwen two PCs
    Published by
    Designer Media Ltd


       Note
    What's this tutorial about...
    This is a simple tutorial on how to setup a cable network of two PCs using a cross-over Cable.

       Information

    General Information
    The tutorial is based on two laptops running Windows 7 and Windows XP.
    It is assumed that you have the w7 machine already connected to the internet.
    The network is a wireless network, with broadband modem directly connected to a Linksys wireless router (WRT54G). The w7 machine is wirelessly connected to the network.







    Requirements
    • Two machines running w7 and XP.
    • An ethernet cable (Cat 5 or 6).
    How To:

    Testing ports and cable connectivity.

    1) Power on both w7 and Windows XP machines and connect both with the ethernet cross- over cable.

    2) From w7, go to a command prompt and obtain ipconfig /all details. Mine looks like this.
    Internet Sharing using Cross-Over cable-noname.jpg
    3) Note from 1) the IP: 192.168.1.100, Subnet Mask: 255.255.255.0, Default Gateway: 192.168.1.1.

    4) Log onto the XP Machine, in Properties of LAN, manually input the following IP settings (as per image). Leave all other settings unchanged. Click the Ok button to exit.
       Warning
    The reason i chose 192.168.1.102, and not .101, is because w7 will allocate .101 as the Bridging interface, if you set the IP to .101, you will get a conflict message, and process will fail.

    Internet Sharing using Cross-Over cable-noname1.jpg
    5) From W7 machine Network Connections, right-click on the LAN interface with the cross-cable attached, and input the following IP settings (as per image). Leave all other settings unchanged. Click the Ok button to exit.
    Internet Sharing using Cross-Over cable-noname2.jpg
    6) Open up command prompts, and perform pingtests from one machine to the other. Don't forget to wait a few seconds from the IP settings to take effect. If successfull both machines should successfully ping one another.

       Note
    At this stage you can RDP to either machine from the other, using the IPs you manually inputted. You can also create shares$ to share files betweenone the machine. The testing of the ports and cable is a success.


    Obtaining Internet Access for the XP Machine

    7) From w7 Network Connections, located the two LAN connections (in this example one being the Wireless Network, the other the LAN between the two machines ie LAN of cross-over cable). Select the two, right-click and click Bridge Connections. Once the system finishes bridging the connections, a new LAN called Network Bridge is created as shown. Note: the highlightes are NOT what is used to bridge.

       Note
    During bridging, the system will attempt to acquire network addresses. This may take time.


    Internet Sharing using Cross-Over cable-noname3.jpg


    Final Step
    8) Go back to Windows XP, in the tcp/ip Properites untick "Use the following IP Address". And re-select option "Obtain an IP address automatically.
    Internet Sharing using Cross-Over cable-noname4.jpg
    9) After a few seconds of waiting for the system to refresh, you can now surt the net on your XP Machine.
       Note
    This is one method of bridging connection as to share internet connections, which should work. I have checked and redo many times. I have not made any attempts to start any special services on either machines, nor installed or enabled any options.


    Hope you find this tutorial each to follow.



  1. Posts : 334
       #1

    Nice one

    ZeshanA
      My Computer


  2. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
    Thread Starter
       #2

    Well after a couple of days of intense helping out people in the Network section, i thought i do the tut, just so they can have an idea of how it work...for me anyway

    PS, if a mod or admin wants to make it look neater and nicer, pls proceed
      My Computer


  3. Posts : 12
    Windows 7
       #3

    I am going to try this out....BTW thanks aem. May be make this tutorial sticky and open up an error/support to this thread elsewhere. This will make the post remain clean.

    May be i'll post a video as soon as this works for me
      My Computer


  4. Posts : 524
    Windows 7 SP1 x64
       #4

    Excuse me but what if i want the opposite?
    I want my 7 to have access through a XP machine?

    Just do the same but on different machines?
      My Computer


  5. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
    Thread Starter
       #5

    ratePV said:
    Excuse me but what if i want the opposite?
    I want my 7 to have access through a XP machine?

    Just do the same but on different machines?
    Have you tried it . My guttest feeling is it will. The principle idea is the same.
      My Computer


  6. Posts : 524
    Windows 7 SP1 x64
       #6

    aem said:
    ratePV said:
    Excuse me but what if i want the opposite?
    I want my 7 to have access through a XP machine?

    Just do the same but on different machines?
    Have you tried it . My guttest feeling is it will. The principle idea is the same.
    I am using a similar method:
    Internet Sharing using Cross-Over cable-network.jpg

    But i haven't enabled "Obtain an IP address automatically" on my 7.
    I will try it tomorrow because i currently cannot access the machine.
    May i add that there is no suffix on the network and
    Kaspersky and Nod32 are reporting attacks between these two machines!

    Thank you for replying so fast:)
      My Computer


  7. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
    Thread Starter
       #7

    ratePV said:


    Kaspersky and Nod32 are reporting attacks between these two machines!

    Thank you for replying so fast:)
    I'm a fast replier

    Are they getting attacked becos they are connecting two Pcs using cross-over cable? If so, how can? the point of entry for hackers is thru your existing network, not becos of cross-cabling.
      My Computer


  8. Posts : 524
    Windows 7 SP1 x64
       #8

    aem said:
    ratePV said:


    Kaspersky and Nod32 are reporting attacks between these two machines!

    Thank you for replying so fast:)
    I'm a fast replier

    Are they getting attacked becos they are connecting two Pcs using cross-over cable? If so, how can?
    Its a crazy story actually...
    The Nod32 Smart Security on the 7 machine is
    detecting DNS cache poisoning attack from the xp machine(ip 192.168.0.1)
    And the XP machine with Kaspersky is detecting Scan.Generic.UDP
    from the 7 machine (ip 192.168.0.2)
      My Computer


  9. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
    Thread Starter
       #9

    Crazy indeed. The Xp machine in this tutorial only has LAN network access via W7. If there are any unusual activities on it, then it would have been also for w7. They go thru the same network and so share the same risks. I would suggest better securing the network first before looking into individual machines. :)
      My Computer


 
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