Billion Electric Company BiPAC 7404V Series - Manual (Page 105)

VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
104
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 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.
Attention