You must define TUN/TAP device : OpenVPN
Sep 15, 2019 PiVPN - Simplest OpenVPN Setup And Configuration, Designed Jul 11, 2017 PUBG MOBILE LAG PROBLEM FIX | PUBG LITE 0.18.0 LAG SOLVE
Cookbook | FortiGate / FortiOS 6.2.0 | Fortinet
Review the logs on your VPN device for additional information. You can also contact Skytap Support (support@skytap.com) for a copy of the corresponding VPN logs from Skytap. Poor performance. If you experience poor performance over an active VPN tunnel, try the following troubleshooting steps: Setting up Virtual Private Network (VPN) on Synology | Ah Apr 06, 2017
May 04, 2020
How CPU/RAM hungry is an idle VPN (with OpenVPN)?