Default route
Interpreting the Components of a Routing Table
Domain 3.1 | IP Connectivity — 25% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms Term Definition Routing table The data structure a router uses to determine where to forward traffic Administrative distance (AD) A per-source trustworthiness rating used to choose between routes from different sources...
Best Route, Routing Table Terms, and the Lookup Process
When a router receives a packet, it doesn’t just glance at the destination address and pick whichever route looks close enough — it runs a specific, hierarchical process to find the single best match. Understanding that hierarchy, and the terminology Cisco uses to describe it, is essential CCNA and CCNP material that goes a level...
How to Configure a Default Route on a Cisco Router
A default static route is a route that matches any destination network not otherwise present in a router’s routing table. Routers use default routes that are either configured locally as static entries or learned dynamically from another router through a routing protocol — this guide covers the static configuration. [See Infographic: Default Route as the...
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...