From a Home screen, navigate Apps > Settings > More.
Tap Basic VPN.
If presented with a lock screen notification, tap OK. Refer to Set Up Screen Lock for assistance.
Tap Add Basic VPN network.
From the Name field, enter the appropriate name Contact the VPN administrator for assistance with server information and credentials.
From the Type field, tap the Dropdown menu (located to the right of the field) then select VPN type:
IPSec Xauth PSK
IPSec Xauth RSA
IPSec Hybrid RSA
Enter the appropriate information into the applicable fields then tap Save (located in the lower-right). If applicable, tap Show advanced options to configure the following: The available options vary depending upon the selected VPN type.