Windows NT can be configured to become a static or dynamic router. Static routers are ideal for small non-changing networks or WAN links. Dynamic routers are designed for larger networks that are constantly changing or to reduce network overhead.

To configure NT Server as a router you need to have two NICs and two static IP address.

Two important commands to remember are route and tracert. Route will modify the routing table and tracert will check the path the packets follow to a destination.

To see the routing table:

To add a route to a table: