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VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
90
Configuring IPSec VPN in the Head Office
Item
Function
Description
1
Connection Name
IPSec_HeadOffice
Given a name of IPSec connection
Subnet
Check Subnet radio button
IP Address
192.168.1.0
2
Netmask
255.255.255.0
Head office network
3
Secure Gateway Address
(or Hostname)
69.121.1.30
IP address of the head office router (in
WAN side)
Subnet
Check Subnet radio button
IP Address
192.168.0.0
4
Netmask
255.255.255.0
Branch office network
ESP
Check ESP radio button
Authentication
MD5
Encryption
3DES
Prefer Forward Security
None
5
Pre-shared Key
12345678
Security plan
4
1
2
3
5
Page 92 / 155
VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
91
Configuring IPSec VPN in the Branch Office
Item
Function
Description
1
Connection Name
IPSec_Branch
Office
Given a name of IPSec connection
Subnet
Check Subnet radio button
IP Address
192.168.0.0
2
Netmask
255.255.255.0
Branch office network
3
Secure Gateway Address
(or Hostname)
69.121.1.3
IP address of the head office router (in WAN
side)
Subnet
Check Subnet radio button
IP Address
192.168.1.0
4
Netmask
255.255.255.0
Head office network
ESP
Check ESP radio button
Authentication
MD5
Encryption
3DES
Prefer Forward Security
None
5
Pre-shared Key
12345678
Security plan
4
1
2
3
5
Page 93 / 155
VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
92
Example: Configuring a IPSec Host-to-LAN VPN Connection
Page 94 / 155
VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
93
Configuring IPSec VPN in the Office
Item
Function
Description
1
Connection Name
IPSec
Given a name of IPSec connection
Subnet
Check Subnet radio button
IP Address
192.168.1.0
2
Netmask
255.255.255.0
Head office network
3
Secure Gateway Address
(or Hostname)
69.121.1.30
IP address of the head office router (in WAN
side)
Single Address
Check Single Address radio button
4
IP Address
69.121.1.30
Remote worker’s IP address
ESP
Check ESP radio button
Authentication
MD5
Encryption
3DES
Prefer Forward Security
None
5
Pre-shared Key
12345678
Security plan
4
1
2
3
5
Page 95 / 155
VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
94
L2TP (Layer Two Tunneling Protocol)
Two types of L2TP VPN are supported
Remote Access
and
LAN-to-LAN
(please refer below for more
information.). Click
Create
to create a new VPN connection account.
After you have created L2TP connection, account status will be displayed. (See example above).
~
Enable / Disable:
This function activates or deactivates the L2TP connection.
To wish interrupting
the tunnel, check
Disable
radio button and click
Apply
button to deactivate the connection.
Name:
This is the user-defined name of the connection.
Type:
This refers to your router operates as a client or a server,
Dialout
or
Dialin
in respectively.
Status:
It informs your L2TP tunnel connection condition.
19216811.live