I figured I would take it easy on a Friday night, and do a full blow lab on CEF 🙂 This Topology is a good example to review CEF FIB and Adjacency tables, as you don't need a really large Topology to demonstrate, provides "Packet Switching" information meaning it just wants to read the packet … Continue reading CEF – Deep dive into FIB and AT Tables, how packet MAC Addresses are re-written, and diagrams to explain along the way! IMPORTANT for Exam Day!!!
The above illustration is exactly how a MultiLayer Switch interconnects logically The MultiLayer Switching segment confused of my studies confused me to no end, and when studying some material today it clicked what is meant by "Hardware Switching" vs Process or Fast Switching, and wanted to review it here as well in a more visual … Continue reading MultiLayer Switching / CEF – Packet processing explained in depth, and visually presented for clarity!
This is meant to be more geared "CEF" Packet Switching technology, but you can't really appreciate the evolution of Packet Switching, without first knowing its history along with the Cisco hardware modules on their current devices that make CEF possible. The being said, a quick review of Packet Switching methods leading up to CEF! Process-Switching … Continue reading MLS Packet Switching – A brief history, CEF, Adjacency Table, Terminology, Hardware explanations and SDM Template considerations!