Figure 2: IP Classless Routing In the following figure, the router in network 128.20.0.0 is connected to subnets 128.20.1.0, 128.20.2.0, and 128.20.3.0. If the host sends a packet to 120.20.4.1, because there is no network default route, the router discards the packet. Configuring IP Unicast Routing Classless Routing Configuring IP Unicast Routing 5