NETGEAR Cable/DSL ProSafe Firewall FR328S - Manual (Page 86)

FR328S ProSafe Firewall with Dial Back-Up Reference Manual v2
7-10 Advanced Configuration
M-10207-01, Reference Manual v2
h. Type a number between 1 and 15 as the Metric value.
This represents the number of routers between your network and the destination. Usually,
a setting of 2 or 3 works, but if this is a direct connection, set it to 1.
4. Click Apply to have the static route entered into the table.