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Archived - Mac OS X and AirPort: About "Using DHCP with manual address"

The "Using DHCP with manual address" feature is for connecting to routers that use the DHCPINFORM protocol. AirPort base stations assign addresses without using this protocol.
This article has been archived and is no longer updated by Apple.
In Mac OS X 10.2 and later, Network preferences lets you choose the "Using DHCP with manual address" option as a way to configure your computer's TCP/IP settings.

If you choose this option when connected to an AirPort or AirPort Extreme base station, you are assigned a subnet mask of 255.0.0.0, and no router address is assigned. You can't connect to the Internet. This could also happen when connecting to any router that doesn't use DHCPINFORM.

To connect to an AirPort base station, configure "Using DHCP" or "Manually".
Last Modified: Feb 17, 2012
  • Last Modified: Feb 17, 2012
  • Article: TA21403
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