if the lan has internal routers, you must specify their addresses and network information.
click advanced and then select the static routes tab. a window similar to that in figure 50 is displayed.
figure 50 static routes window

use static routes if the lan is segmented into subnets, either for size or practical considerations. for example, you can create a subnet which only contains an organization’s graphic design shop, isolating it from traffic on the rest of the lan.