To setup the VPN go to Settings

Go to VPN.

Choose Add VPN Configuration.

For type choose L2TP Description, can be anything you like. Server, enter your supplied server details here. Account, enter your supplied username here.

RSA SecurID, leave disabled. Password, enter your supplied password here. Secret, enter your supplied secret here. Send All traffic Should be enabled. Proxy should be off. See screenshot below Finally, click Done