Tutorial: Upgrade the OpenVPN DCO module
Abstract
Upgrade the OpenVPN DCO module on Access Server. Learn when upgrades are automatic, how to update manually, and how to reload DCO without rebooting.
Overview
This tutorial shows you how to upgrade the OpenVPN Data Channel Offload (DCO) module installed on your Access Server.
Prerequisites
Access Server with OpenVPN DCO enabled.
Root access to the server console.
Step 1: Run these commands to upgrade the DCO module
Connect to your console and get root privileges.
Run your OS update/upgrade commands (Ubuntu shown):
apt update apt upgrade
The OpenVPN DCO module should be updated.
Reboot your OS:
reboot
Optional step 1: Upgrade DCO without rebooting your server
Note
This step is optional for those who don't want to reboot the server (or can't).
Run these commands to stop the Access Server, remove the previous OpenVPN DCO module, load the new module, and restart the Access Server service:
systemctl stop openvpnas modprobe -r ovpn_dco_v2 modprobe ovpn_dco_v2 systemctl start openvpnas