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 […]
![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)