![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 […]
![Multicast in SD-WAN and Cloud Networks – Bringing One-to-Many to the Next Gen WAN [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Multicast-in-SD-WAN-and-Cloud-Networks-–-Bringing-One-to-Many-to-the-Next-Gen-WAN.png)
In this blog post, I’ll walk you through everything—from how multicast works (or breaks) in SD-WAN to cloud-native alternatives for multicast delivery, along with CLI examples, EVE-NG labs, and real-world use cases. Let’s dive into how the one-to-many paradigm is adapting to modern WAN architecture. […]
![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 […]
