The Layer 2 Tunneling Protocol (L2TP) is a standard protocol for tunneling L2 traffic over an IP network. L2TP is a tunneling protocol used to support virtual private networks or as part of the delivery of services by ISPs.
L2TP Account Config
Click the “Add” button under the tab “Account Config” to add L2TP username and password.
L2TP Dial-in User
Dial-in users can display the user accounts that have been dialed in through L2TP.