![Ticket#7 - Multicast Video Freezes in Conference Room – Troubleshoot IGMP and PIM [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/nj-blog-post-Ticket-7.jpg)
Problem Summary In a conference room, video multicast stream intermittently freezes or buffers during a live broadcast. The network uses multicast for IPTV using: Symptoms Observed Symptom Observed Impact Video Freezing Occurs every 2–3 mins IGMP joins seen But not always registered at the router […]
![Ticket#15 - Multicast Video Freezes Randomly: PIM DR Election Misconfiguration Found [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/Ticket15_Multicast-Video-Freezes-Randomly_PIM-DR-Election-Misconfiguration-Found_networkjourney-1.png)
Problem Summary In a large campus network using multicast video for digital signage and corporate streaming, users began reporting intermittent video freezing across multiple access switches. The issue was not tied to any specific time, user, or content, and only affected a subset of devices […]
![Troubleshooting Multicast in Enterprise – From Chaos to Clarity [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Troubleshooting-Multicast-in-Enterprise-–-From-Chaos-to-Clarity.png)
Today we’ll dive deep into the art and science of troubleshooting multicast in enterprise networks. This post is for engineers who are tired of “guesswork” and want step-by-step strategies to solve real multicast challenges—whether it’s IPTV not streaming or CCTV video dropouts. We’ll pair concepts […]
![Multicast Basics and PIM Overview – Smarter Traffic Delivery in Modern Networks [CCNP Enterprise]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Multicast-Basics-and-PIM-Overview-–-Smarter-Traffic-Delivery-in-Modern-Networks.png)
Have you ever wondered how a single video stream from one server reaches hundreds or even thousands of users without consuming all the bandwidth on your network? That’s where Multicast comes in—it’s like broadcasting but smarter! As a trainer, I often tell my students, “If […]
