Advanced VPN settings for Android consist of authentication and VPN on demand, which you must configure to establish VPN for Android devices.

Setting Description
Authentication
Identify Certificate Enter the certificate credentials used to authenticate the connection by selecting Add a Certificate.
Credential Source Select the source of the credentials. Choose between Upload, Defined Certificate Authority, and User Certificate.
Credential Name Available when Credential Source is set to Upload. Enter the name of the uploaded credential.
Certificate Available when Credential Source is set to Upload. Click Upload to select a certificate file from your device.
Certificate Authority Available when Credential Source is set to Defined Certificate Authority. Select the certificate authority from a drop-down listing.
Certificate Template Available when Credential Source is set to Defined Certificate Authority. This setting auto-populates based on your selection in the Certificate Authority setting.
S/MIME Available when Credential Source is set to User Certificate. Choose between the user-centric S/MIME Signing certificate or S/MIME Encryption certificate.
Enable VPN On Demand
Enable VPN On Demand

Enable VPN On Demand to use certificates to establish VPN connections automatically.

Enable VPN by entering the name of the app and selecting the plus sign to the left of the magnifying glass icon. You may enter more than one application.