Connecting Mac OS X 10.5 to Wireless

Cole Library, the Thomas Commons, College Hall, West Science, and Law Hall are equipped with wireless networking services. This service is available to any Cornell student or employee. There are two separate wireless networks. CornellGuest is an unsecured, unencrypted wireless network for guests, pda's, cell phones, and other devices. CornellWireless is a secure, encrypted connection for Windows XP, OS X, or Linux.


Wireless network access/restrictions:

Once connected to the wireless network all standard resources such as email, networked applications, and Internet browsing are available. The WirelessGuest network does not have access to most network resources. Please check back here periodically to see updated information regarding the wireless network.


Connecting to the CornellGuest Wireless Network

  1. Make sure Airport is on
  2. Click on the Airport Menu in the upper right of your screen
  3. You should see CornellGuest on the list
  4. Click on CornellGuest
  5. After a few seconds you will be connected to the CornellGuest unsecured wireless network


Connecting to the CornellWireless Secure Wireless Network


  • Make sure you have Mac OS 10.5 or higher and that you have installed all the software updates for Mac OS X, AirPort Software, and all Mac OS X security updates before attempting to configure your Mac for CornellWireless.
  • AirPort software v4.2 or above is recommended. If you get an Error 1001 on Port EN 1 you must update your AirPort software.
  • It is recommended that you are in range of the Cornell’s wireless network while setting up the wireless connection.
  1. Turn on AirPort from the AirPort Menu
  2. Select Open Network Preferences...
    CornellWireless Leopard
  3. Check that AirPort is highlighted and select Advanced
    CornellWireless Leopard
  4. Click on the 802.1X tab
  5. Click on the + to add a new profile
    CornellWireless Leopard
  6. Select Add User Profile
    CornellWireless Leopard
  7. Name the profile CornellWireless
  8. Enter your User Name and Password
  9. Select CornellWireless for the Wireless Network
  10. Select PEAP as your authentication protocol and uncheck all other authentication protocols
  11. Click OK
    CornellWireless Leopard
  12. Click Apply
  13. Close the Network menu
  14. Go back to the Airport menu and click on CornellWireless
    CornellWireless Leopard
  15. Enter your User Name and Password
  16. Select CornellWiress in the 802.1X drop-down menu
  17. Click OK
    CornellWireless Leopard
  18. You will receive this message, "The server certificate could not be validated because the root certificate is missing."
  19. Click Show Certificate
  20. Place a check next to Always trust ""
  21. Click Continue

If you have any questions about connecting your computer to the wireless network or need help installing any applications, please contact the Information Technology Help Desk at extension 4357 or submit a Work Order Request and our staff will assist you as soon as possible.