Configure Unifi Network 9.0.114 for L2TP VPN Access (UDM-PRO)

Updated for Unifi Network 9.0.114 and Unifi OS 4.1.13

After playing around with a Unifi UDM-PRO, I wanted to setup a VPN on their new Unifi Network 9.0.114

So let’s go through the steps

  1. Login to your UDM-PRO
  2. Enter your Unifi Network application
  3. Click Settings on the left side bar
  4. Click on VPN
  5. Select VPN Server
  6. Press Create New
  7. Select L2TP
  8. Use the generated Pre-shared Key or type down your own
  9. For Server Address select your WAN port or enter manually a static IP
  10. To create a VPN user click Create a new user under User Authentication
  11. Create any amount of users you want to give VPN access
  12. On Advanced Configuration select Manual
  13. Under RADIUS Profile select Default
  14. Under Gateway/Subnet select a random network from Private IP ranges (https://en.wikipedia.org/wiki/Private_network)
  15. Under Name Servers you can type your preferred DNS server.
  16. Enable Required Strong Authentication
  17. Enable Allow weak ciphers (some smartphones require this setting in order to be able to connect)

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