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The branch office establishes a L2TP VPN tunnel with head office to connect two private networks over the
Internet. The routers are installed in the head office and branch office accordingly.
Example: Configuring L2TP LAN-to-LAN VPN Connection
Both office LAN networks must in different subnet with LAN to LAN application.
Functions of Pre-shared Key, VPN Connection Type and Security Algorithm must be identically set up on both
sides.
