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300-100 CCNA CCNP Cisco exam prep January 27, 2019 Cisco Network Essentials // OSPF part 1

Open Shortest Path First (OSPF) • OSPF, or Open Shortest Path First, is a link-state, open-standard, dynamic routing protocol. OSPF uses an algorithm known as SPF, or Dijkstra’s Shortest Path First, to compute internally the best path to any given route. • OSPF is classless and converges fairly quickly, using cost as it’s metric. A …

300-100 CCNA Cisco exam prep January 14, 2019 Cisco Network Essentials // HDLC

Cisco High-Level Data-Link Control (HDLC) protocol was once very popular ‘back in the day’. On a quick side note – I always try to explain things in a simply way with an easy to readability. With that comes the need to have an assumed knowledge in other specifics – in this article it would be …