Tutorial: Upgrade the OpenVPN DCO module⁠

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

1. Connect to your console and get root privileges.

2. Run your OS update/upgrade commands (Ubuntu shown):

   apt update
   apt upgrade

   • The OpenVPN DCO module should be updated.

3. Reboot your OS:

   reboot

Optional step 1: Upgrade DCO without rebooting your server⁠

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