The Routing Information Base (RIB) is a database file stored in RAM that contains all of the information about the routes to directly connected networks and routes to remotely connected networks. As it is explained in this chapter, the routing table plays a decisive role in the router selecting the best path. In addition, other than route information, the routing table may display the metrics of a listed route, too.
Router routing tables
Understanding packet forwarding
As you know, each router interface is connected to a particular network. Then, when PC1 sends the packet to PC2, PC1 will consult its routing table; when it determines that PC2 is in the remote network, it sends the packet to the default gateway. In this case...