how to configure a default route on a Cisco router
CCNA
What Is a Stub Network? Routing, Configuration, and Real-World Use
Understanding stub networks and stub routers is fundamental to designing efficient networks, and a direct requirement for the CCNA exam. Stub networks show up in branch office designs, service provider edge connections, and anywhere a network segment has only one path in and out. This guide covers what a stub network is, why static and...
CCNA
Router Path Selection: How Routers Determine the Best Path
Every time a router receives a packet, it runs through the same basic decision sequence: is the destination directly connected, is it a remote network reachable through a known route, or is there no known route at all? Understanding this sequence — and exactly how a router picks between multiple valid paths when more than...