How Do I Give My AirPort for My Mac a Static IP Address?
Apple ships its modern laptops and some desktops with a network wireless solution referred as an AirPort card. When connecting to a network, the AirPort card is assigned an IP address to function properly. Often this assignment is done dynamically. However, in some cases a static IP address is needed to insure connectivity to other devices, servers, network routers and websites.
Assigning a static IP address to an AirPort card installed on your Mac is done through the Systems Preferences. You will need to know the IP address you plan to assign, the subnet mask and the router address before proceeding.
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Instructions
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Select the Apple icon in the upper left corner. Click the “System Preferences” menu.
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In the System Preferences window, select “Network” under “Internet & Wireless.”
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In the Network window, select the “AirPort” icon displayed on the left.
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In the AirPort settings window, ensure the network you’re assigning the static IP address is selected in the “Network Name” pull-down menu, as the static IP address assigned is associated with that network name.
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On the lower right, select the “Advanced” button.
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In the AirPort Advanced settings, select the “TCP/IP” tab along the top.
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Next to the “Configure IPv4:”, there’s a pull-down menu. Change it from “Using DHCP” to “Manual.”
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In each of the fields, type in the appropriate address information. "IPv4:" is the static IP address you want to assign. You will need to include the subnet mask and the router information as well.
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Select “OK” to save the settings.
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Tips & Warnings
Assigning a static IP address for an AirPort will work only with the “Network Name” selected in the AirPort settings window. If the network changes, the static IP address will no longer be used.
