Configuring Connected Routes
Cisco routers enable IPv4 routing globally, by default. Then, to make the router be ready to route packets on a particular interface, the router must be configured with an IP address and the interface must be configured such that it comes up, reaching a “line status up, line protocol up” state. Only at that point can routers route IP packets in and out a particular interface.
After a router can route IP packets out one or more interfaces, the router needs some routes. Routers can add routes to their routing tables through three methods:
Connected routes: Added because of the configuration of the ip address interface ...
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