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(Wireless) ADSL VPN Firewall Router with 3DES Accelerator
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
Pre-shared Key
12345678
Encryption
Prefer Forward Security
5
Pre-shared Key
Security plan
4
1
2
3
5
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(Wireless) ADSL VPN Firewall Router with 3DES Accelerator
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 98 / 122
(Wireless) ADSL VPN Firewall Router with 3DES Accelerator
Chapter 4: Configuration
92
Example: Configuring a Remote Access L2TP VPN Dial-in Connection
A remote worker establishes a L2TP VPN connection with the head office using Microsoft's
VPN Adapter (included with Windows XP/2000/ME, etc.). The router is installed in the head
office, connected to a couple of PCs and Servers.
Dial-in
Page 99 / 122
(Wireless) ADSL VPN Firewall Router with 3DES Accelerator
Chapter 4: Configuration
93
Configuring L2TP VPN in the Office
The input IP address 192.168.1.200 will be assigned to the remote worker. Please make sure
this IP is not used in the Office LAN.
Item
Function
Description
1
Connection Name
VPN_L2TP
Given a name of L2TP connection
Dial in
Check Dial in
2
Private IP Address
Assigned to
Dialing User
192.168.1.200
An assigned IP address for the remote worker
Username
username
3
Password
123456
Input username & password to authenticate
remote worker
4
Auth.Type
Chap(Auto)
Keep as default value in most of the cases.
5
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.
Authentication
MD5
Encryption
3DES
Perfect Forward
Secrecy
None
6
Pre-shared Key
12345678
Both sites should use the same value.
1
4
3
2
5
6
Page 100 / 122
(Wireless) ADSL VPN Firewall Router with 3DES Accelerator
Chapter 4: Configuration
94
Example: Configuring a Remote Access L2TP VPN Dial-out Connection
A company’s office establishes a L2TP VPN connection with a file server located at a separate
location. The router is installed in the office, connected to a couple of PCs and Servers.
Dial-out
19216811.live