VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
Configuring L2TP VPN in the Branch Office
The IP address 184.108.40.206 is the Public IP address of the router located in head office. If you registered
the DDNS (please refer to the DDNS section of this manual), you can also use the domain name instead
of the IP address to reach the router.
Item Function Description
1 Connection Name BranchOffice Given a name of L2TP connection
Dial out Check Dial out
2 Server IP Address (or
Hostname) 220.127.116.11 IP address of the head office router (in WAN side)
Peer Network IP 192.168.1.0
3 Netmask 255.255.255.0 Head office network
4 Password 123456
Input username & password to authenticate
branch office network
5 Auth.Type Chap(Auto) Keep as default value in most of the cases.
6 Idle Timeout 0
The connection will be disconnected when there Is
no traffic in a predefined period of time. Idle time
0 means the connection is always on.
IPSec Enable for enhancing your L2TP VPN security.
Perfect Forward Secrecy None
Pre-shared Key 12345678
Both sites should use the same value.