Disable IPv6 on Mac OS X

This tutorial will guide you through the procedure involved in disabling IPv6 on Mac OS X.

Prerequisites: Please ensure your VPNUK account is setup before proceeding.

  1. Go to Terminal: Finder > Applications > Utilities > Termnial.
  2. To display the fuill list of available hardware enter the following command: sudo networksetup -listallhardwareports
  3. You now need to disable IPv6 on your network connections and VPNUK account.
  4. The command for disabling IPv6 on your Wi-Fi connection is usually: sudo networksetup -setv6off Wi-Fi
  5. The command for disabling IPv6 on your Ethernet connection is usually: sudo networksetup -setv6off Ethernet
  6. The command for disabling IPv6 on your VPNUK connection is usually: sudo networksetup -setv6off VPNUK
  7. Run all of the necessary commands and then go to your networking overview: Launchpad > Network
  8. Select your Ethernet connection and click onto the Advanced button.
  9. Go to the TCP/IP tab and ensure IPv6 is set to: Off.
  10. Repeat the procedure for your other connections (Wi-Fi and VPNUK).