Billion BiPAC 4500NZ(L) User Manual page 113

Example: Configuring L2TP LAN-to-LAN VPN Connection
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.
Both office LAN networks must be in different subnets with the LAN-LAN application.
Note:
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