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ProSafe Gigabit 8 Port VPN Firewall FVS318G Reference Manual
3-16 LAN Configuration
v1.1, August 2010
6. In the Destination IP Address field, enter the destination IP address to the host or network to
which the route leads.
7. In the IP Subnet Mask field, enter the IP subnet mask for this destination. If the destination is
a single host, enter 255.255.255.255.
8. From the Interface pull-down menu, select the physical network interface (Broadband,
DMZ, or LAN) through which this route is accessible.
9. In the Gateway IP Address field, enter the gateway IP address through which the destination
host or network can be reached. (This must be a device on the same LAN segment as the VPN
firewall).
10. In the Metric field, enter the metric priority for this route. If multiple routes to the same
destination exit, the route with the lowest metric is chosen. The value must be between 1 and
15.
11. Click Reset to discard any changes and revert to the previous settings or click Apply to save
your settings. The new static route will be added to Static Routes table.
You can edit the route’s settings by clicking Edit in the Action column adjacent to the route.
Static Route Example
For example, you may require a static route if:
• your primary Internet access is through a cable modem to an ISP, and
• you have an ISDN firewall on your home network for connecting to the company where you
are employed. This firewall’s address on your LAN is 192.168.1.100, and
• your company’s network is 134.177.0.0.
When you first configured your VPN firewall, two implicit static routes were created. A default
route was created with your ISP as the gateway, and a second static route was created to your local
network for all 192.168.1.x addresses. With this configuration, if you attempt to access a device on
the 134.177.0.0 network, your VPN firewall will forward your request to the ISP. The ISP
forwards your request to the company where you are employed, and the request will likely be
denied by the company’s firewall.
In this case you must define a static route, telling your VPN firewall that 134.177.0.0 should be
accessed through the ISDN firewall at 192.168.1.100.
In this example:
• The Destination IP Address and IP Subnet Mask fields specify that this static route applies to
all 134.177.x.x addresses.