strongSwan VPN client
Network management framework (strongSwan plugin)
Support for configuring IPsec based virtual private network connections.
Compatible with IKEv2 key exchange and multiple authentication mechanisms.
NetworkManager attempts to keep an active network connection available at all times. It is intended primarily for laptops where it allows easy switching between local wireless networks, it's also useful on desktops with a selection of different interfaces to use. It is not intended for usage on servers. . This package provides a VPN plugin for strongSwan, providing easy access to IKEv2 IPSec VPN's.
How to install strongSwan VPN client in Ubuntu
If you are on a supported distro, you can install the application through software center by clicking the below link.
If the above link not working, run the below command in terminal to install network-manager-strongswan in Ubuntu
sudo apt install network-manager-strongswan