Chromium OS L2TP VPN

1. Click on profile icon from your desktop and select "Settings".

2. Then click "Add connection" and then "Add private network...".

3. Fill the following fields:

Server hostname: (Enter the server address)
Service name: (Enter any name like Cienen)
Provider type: L2TP/IPsec + pre-shared key
Pre-shared key: (Enter the Pre-Shared Key)
Username: (Your VPN account username)
Password: (Your VPN account password)

Check "Save identity and password" option and click Connect.