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Archived - AirPort 3.1.1 for Mac OS X: Information and Download

This article has been archived and is no longer updated by Apple.

This article contains information about AirPort 3.1.1 for Mac OS X and a link to the software download.

Read Before You Install AirPort 3.1.1

The AirPort Software Update 3.1.1 software release supports bothAirPort Extreme and AirPort products.

AirPort Extreme is Apple's third generation AirPort product. It's turbocharged with the latest wireless technology, 802.11g, to deliver data rates of up to 54 megabits per second (Mbps)-almost five times as fast as before. AirPort Extreme is compatible with previous versions of AirPort technology, as well as other Wi-Fi certified 802.11b products. And it allows you to share a single Internet connection with up to 50 Mac or PC users.

If you are a user with an AirPort enabled computer using an AirPort Extreme Base Station you will experience maximum data rates of 11 Mbps. However with AirPort 3.1.1, you'll still enjoy significant benefits, especially from the standpoint of wireless printer sharing, easy base station administration, and many options for managing the range of your wireless network.

New to Airport 3.1.1:

  • Continued performance improvements between wired and wireless clients
  • Improved handling of multicast traffic on LANs
  • Provides consistent DMZ/Default Host behavior with NAT/DHCP base station configurations
  • Support for selecting NAT/DHCP alternate addressing when accessing base station via the PPP dial-in feature
  • Improved performance when NAT leases are renewed for the base station
  • Improved support for Traditional Chinese Input Method (TCIM) in the AirPort Admin Utility

New AirPort Extreme Base Station features:

  • Compliant with the final IEEE 802.11g specification
  • Base station Interference Robustness, which provides improved performance when 2.4GHz devices like cordless phones and wireless video distribution system cause significant interference with the AirPort network.
  • Automatic channel selection allows the base station to find the most appropriate channel to use whenever it is restarted.
  • Simpler Wireless Distribution System (WDS) setup experience in AirPort Admin Utility
  • Administrators have the ability to set the DHCP range on their base station when NAT is on
  • Performance improvements between wired and wireless clients.

New AirPort Extreme client features:

  • Compliant with the final IEEE 802.11g specification
  • Client side Interference Robustness

For the latest information on AirPort software, check Software Update in System Preferences or the following Apple websites:

Apple AirPort Extreme website at www.apple.com/wifi.

Apple Support website at www.apple.com/support.

Internet service provider (ISP) compatibility:

Wireless Internet access requires a wireless-enabled computer, a base station or other third-party access point and Internet access (fees may apply). Some ISPs are not currently compatible with AirPort and AirPort Extreme.

For more information on using AirPort or AirPort Extreme with your Internet account, contact your ISP or go to the AppleCare® Knowledge Base at www.apple.com/support

Upgrading to AirPort 3.1.1

There are two steps in upgrading to AirPort 3.1.1

  1. Upgrade the AirPort software on your computer.
  2. Upgrade the software on your AirPort Base Station or AirPort Extreme Base Station.

 To upgrade the software on a base station that has previously been configured, do the following:

  1. Make sure that your computer is connected to the AirPort network created by your AirPort Base Station.
  2. Open the AirPort Admin Utility.
  3. Select your base station from the list.
  4. Click Configure.

A dialog prompts you to upload the new software. After the software has been uploaded, the base station restarts.

SHA-1 Digest forAirPort3.1.1dmg

dc2c8f534251371564cc4eb473c66723c34e3c2b

For help with downloading, see Software downloads: Formats and common error messages.

For help with SHA-1, see Mac OS X: How to Verify a SHA-1 Digest.

All software available from this site is covered by a software license agreement included with this software.

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