Tutorial: Upgrade the OpenVPN DCO module
Abstract
Follow these steps to upgrade OpenVPN DCO on Access Server. Keep the data channel offload module current.
Overview
This quick tutorial steps you through upgrading the OpenVPN DCO module installed on your Access Server.
Prerequisites
Access to the server console and get root privileges.
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:
service openvpnas stop modprobe -r ovpn_dco_v2 modprobe ovpn_dco_v2 service openvpnas start