When you get to the part about the "Wi-fi address" or "ethernet address" in the Campus Wi-Fi instructions:

  1. Open your 3DS.
  2. From the Home Menu, tap the Home Settings icon in the upper left portion of the screen.
  3. Scroll down and tap the System Settings icon (the wrench).
  4. Tap "Internet Settings," then "Other Information," then "Confirm MAC Address."
  5. The information that is located there is what you will need to renew your wireless connection on your 3DS.

For additional assistance, contact theĀ IT Help Desk.