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L2TP (Layer 2 Tunneling Protocol) is a tunneling protocol used to support VPNs. It doesn’t provide any
encryption or confidentiality by itself; it relies on an encryption protocol that it passes within the tunnel to
provide privacy.
L2TP configuration parameters:
1. Mode: to disable or enable L2TP policy.
2. Authentication: choose authentication type, PAP, CHAP, MS-CHAP, and MS-CHAPv2.
3. Virtual IP
4. L2TP/IPSec Mode: check this checkbox if devices requires for L2TP/IPSec connection.
5. IPSec Interface
6. IPSec PSK: IPSec Pre-Shared Key.
7. User and Password sets