Linux IP Routing Basics: Routes, Tables, and Policy-Based Routing Explained

Welcome back to the channel! In this video, we’re diving into the fascinating world of Linux IP routing. If you're interested in understanding how network traffic is directed on a Linux system, you're in the right place! In this episode, I’ll cover the foundational concepts of IP routing, including: Routes: What they are and how they work. Route Scopes: Understanding the different levels of route visibility. Routing Tables: The backbone of IP routing. Routing Marks: How they influence routing decisions. Policy-Based Routing: Implementing custom routing policies. Please note, this isn't an exhaustive tutorial but a practical guide to get you started on your Linux routing journey. We’ll be looking at routing from the perspective of a single Linux host, making it easy to follow even if you're new to the topic. If you find the content helpful, don’t forget to like, subscribe, and hit the notification bell so you never miss an update! Chapters: 00:00 Introduction 02:09 IP Destination Classes 04:10 Routes 05:22 Route Scopes 07:16 Routing Tables 08:48 More About Routes 12:12 ECMP Routing 12:52 Special Routes 13:55 Routing Rules - Policy Based Routing 17:23 Routing Marks Thanks for watching, and let’s dive right in!