Assigning IP address In MAC OS X

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    Set Static IP in OS X
    You will need to open System Preferences, once there open Network
    sshot-2010-07-14-[19-44-15]
    It would be a good idea to to edit the Locations so that you can easily change from DHCP to manual IP simply. You will need to go to Edit Locations… with in the Network Preference Pane
    Name it something that will let you remember what it is for.
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    Once you have named the new location you will click on the connection you want to set manually. In this example we will use Ethernet. From the Configure IPv4 drop down we will choose Manually.
    Now we will add the IP Address, Subnet Mask, Router, DNS and Search Domains. In this example we will use Google’s DNS which is 8.8.8.8 and your Search Domain will depend on your network.

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