DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
Virtual Private Networking
5-33
v1.0, April 2007
Configuring the ProSafe DGFV338
Two menus must be configured—the Mode Config menu and the IKE Policies menu.
To configure the Mode Config menu:
1.
From the main menu, select
VPN
, and then select
Mode Config
from the submenu. The
Mode
Config
screen will display.
2.
Click
Add.
The
Add Mode Config Record
screen will display.
3.
Enter a descriptive
Record Name
such as “Sales”.
4.
Assign at least one range of IP Pool addresses in the First IP Pool field to give to remote VPN
clients.
5.
If you have a WINS Server on your local network, enter its IP address.
6.
Enter one or two DNS Server IP addresses to be used by remote VPN clients.
7.
If you enable Perfect Forward Secrecy (PFS), select DH Group 1 or 2. This setting must match
exactly the configuration of the remote VPN client,
8.
Specify the Local IP Subnet to which the remote client will have access. Typically, this is your
router’s LAN subnet, such as 192.168.2.1/255.255.255.0. (If not specified, it will default to the
LAN subnet of the router.)
9.
Specify the VPN policy settings. These settings must match the configuration of the remote
VPN client. Recommended settings are:
•
SA Lifetime: 3600 seconds
•
Authentication Algorithm: SHA-1
•
Encryption Algorithm: 3DES
10.
Click
Apply
. The new record should appear in the VPN Remote Host Mode Config Table (a
sample record is shown below).
Note:
The IP Pool should not be within your local network IP addresses. Use a
different range of private IP addresses such as 172.20.xx.xx.