August 29, 2019

Understanding the Shortest Path First (SPF) Protocol: Link-State Routing with Dijkstra’s Algorithm

In networking, efficient routing is crucial for data transmission across complex topologies. The Shortest Path First (SPF) Protocol, also known as Link-State Routing, uses Edsger Dijkstra’s SPF Algorithm to determine the optimal path for packets. Protocols like Open Shortest Path First (OSPF) and Intermediate System-to-Intermediate System (IS-IS) are prime examples of link-state routing protocols. These… Read more

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Propagating a Default Route in RIP: Step-by-Step Cisco Configuration Guide (Updated 2025)

Propagating a default route in RIP is a key feature of the Routing Information Protocol (RIP), a distance-vector routing protocol commonly used in small networks. It uses hop count as its metric and is suitable for CCNA-level studies, where understanding basic dynamic routing is key. A default route (0.0.0.0/0), also known as the gateway of

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