AWS VPN Tunnel Down? Here's Exactly What's Broken

   / @networkreggie   Is your AWS Site-to-Site VPN tunnel down and not passing traffic? In this video, I walk you through a step-by-step troubleshooting guide covering the most common causes — from IPSec config mismatches to BGP routing issues and security group blocks. Everything shown is in a real-world environment, so you can follow along and apply it directly. ⏳ Chapters: 0:00 - Introduction & The Problem 0:51 - Tunnel Status Issues 0:56 - IPSec Config Issues 4:13 - How to Enable VPN Logs 5:50 - Routing Issues (BGP) 8:28 - Security Rules Issues 14:41 - Final Testing & Verification 18:21 - Recap & Summary 👇 Have you dealt with a VPN tunnel that just wouldn't come up? Drop your situation in the comments — I read all of them. 🔔 Like and subscribe for more AWS and networking tutorials. #AWS #AWSVPN #SiteToSiteVPN #Networking #Troubleshooting #IPSec #BGP #CloudNetworking #CCNP #NetworkEngineering