The following is a step-by-step guide on how to install OpenVPN on Asus routers running either stock firmware (Asuswrt) or Asuswrt-Merlin.

Asuswrt-merlin is available for the following routers: RT-N16, RT-N66U, RT-AC66U, RT-AC56U, RT-AC68U, RT-AC87. The U, R and W variants are all supported, as they are the exact same hardware and firmware, only different marketing SKUs or different case color.


  • Download and import OpenVPN config for Routers under VPN > OpenVPN.
  • Input your VPN Username and Password
  • Enjoy!

Installation Instructions

  1. Visit Members area and hit Router button to download OpenVPN config files. Unzip files to a temporary folder.

    Download OpenVPN config and certificate for routers

  2. Visit (or the router url) in your browser and login with your router’s admin username and password
  3. Navigate to VPN > OpenVPN Client. Hit “Choose File” button next to Import OVPN file and choose a config from the unzipped folder (step 1) and hit Upload
  4. Input your VPN Username and Password
  5. Create NAT on Tunnel – Choose Yes

    Under WAN > OpenVPN Client > Input VPN username and password”></p> </li> <li>For Redirect Internet Traffic – Choose Yes. Leave the rest to its default values</li> <li>Hit Apply button to save your changes<p><img decoding=async src=/acevpn/kb/openvpn-asuswrt-merlin/step3-redirect-internet-traffic.png alt=

  6. Change Service State to ON to connect to VPN

    Connect VPN

  7. Check your IP address on to confirm that your IP has changed

    Connect VPN


If you have difficulty connecting to VPN, post your openvpn log in our technical forums or email us to troubleshoot your issue.

Connect VPN