![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 […]
![IGMP Snooping and Configuration – Mastering Multicast Efficiency [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/IGMP-Snooping-and-Configuration-–-Mastering-Multicast-Efficiency.png)
Today’s article is all about IGMP Snooping—a crucial Layer 2 switch feature that ensures multicast traffic only reaches the devices that actually asked for it. Whether you’re preparing for CCNP or managing an enterprise network, understanding IGMP Snooping is a must. Let’s break it down […]
![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 […]
![QoS Fundamentals for Network Engineers: Boost Performance, Reduce Latency [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/QoS-Fundamentals-for-Network-Engineers_Boost-Performance_Reduce-Latency_networkjourney.png)
If you’ve ever felt overwhelmed by latency-sensitive applications or jittery VoIP calls, you’re in the right place. I’ve walked in your shoes—sifting through packet drops and struggling to maintain performance. Today, let’s dive into Quality of Service (QoS) with a conversational. Theory in Brief What […]
![DSCP vs CoS & Trust Boundary: Network Marking Demystified for Engineers[CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/DSCP-vs-CoS-Trust-BoundaryNetwork-Marking-Demystified-for-Engineers_networkjourney.png)
If you’re anything like me, you’ve spent late nights wrestling with traffic marking and trust boundaries—wondering which to use where, and how to keep your network playing nice. It’s like juggling apples, oranges, and cherries—but don’t worry, we’ll make it smooth as butter together. Stick […]
![Configuring QoS on Cisco Devices: Boost Performance & Ensure Traffic Priority [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/Configuring-QoS-on-Cisco-Devices_Boost-Performance_Ensure-Traffic-Priority_networkjourney.png)
I know those moments when your VOIP calls crackle or your video meetings lag during business hours—it’s like trying to have a conversation through a wall! Over the years, I’ve learned that configuring Quality of Service (QoS) on Cisco devices can be a true game-changer. […]
![QOS Diagnose & Fix Network Performance Issues [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/QOS_Diagnose_Fix-Network-Performance-Issues_networkjourney.png)
If you’ve ever hit the panic button because your VoIP calls are choppy or your video stream froze mid-presentation, I feel your pain. Just this morning, I was on a call that sounded like we were underwater—definitely not the crisp audio I expect! That’s when […]
