
Billion 810VGTX Router
Page | 93
Both office Networks MUST be in different subnets with the LAN-LAN
application.
Functions of Pre –shared keys, VPN Connection Type and Security
Algorithms must be identical on both sides.
Click Edit/Delete to save your changes.
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.
Attention
Configuring L2TP VPN in the Head Office
The IP address 192.168.1.200 will be assigned to the router located in the branch office. Please make sure this IP is not
used in the head office LAN.