How to set up IKEv2 VPN connection on Ubuntu 17
Go to the All Programs section.

Enter in the search bar: terminal and run Terminal app.

Update all current packages on Ubuntu. You may need to enter a root password.
sudo apt-get update

Run the following command to install IKEv2 VPN.
sudo apt-get install -y strongswan network-manager-strongswan libcharon-extra-plugins

Open connection settings.

Set up a new VPN connection.

Choose IPSec/IKEv2 (strongswan).

In the section Subscriptions look for a domain name for the IKEv2 VPN, and also Username and Password VPN.

Follow the steps below:

Connect to IKEv2 VPN on Ubuntu 21.

IKEv2 VPN connection successfully established.

You can also connect to IKEv2 VPN through the top menu.

Disconnect from VPN network if necessary.
