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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
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Configuring L2TP VPN in the Branch Office
The IP address 69.121.1.33 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
Name BranchOffice Given a name of L2TP connection
2
Connection Type LAN to LAN Select LAN to LAN from drop-down menu
Type Dial out Select Dial out from drop-down menu
3
IP Address (or Hostname) 69.121.1.33 IP address of the head office router (in WAN side)
Peer Network IP 192.168.1.0
4
Netmask 255.255.255.0
Head office network
Username username
5
Password 123456
Input username & password to authenticate head
office network
6
Auth.Type Chap(Auto) Keep as default value in most of the cases.
IPSec Enable Enable for enhancing your L2TP VPN security.
Authentication MD5
Encryption 3DES
Perfect Forward Secrecy None
7
Pre-shared Key 12345678
Both sites should use the same value.
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