![Ansible Playbook for VLAN Configuration – Automate Smarter, Not Harder! [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Ansible-Playbook-for-VLAN-Configuration-–-Automate-Smarter-Not-Harder-1.png)
Today I’m excited to walk you through something that every network engineer aiming to embrace automation must learn — Ansible Playbook for VLAN Configuration.I still remember those days when I’d log in to 10–20 switches one by one, just to create the same VLANs. It […]
![Model-Driven Telemetry vs SNMP – Rethinking Network Monitoring [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Model-Driven-Telemetry-vs-SNMP-–-Rethinking-Network-Monitoring-1.png)
If you’re still relying on SNMP for network monitoring, it’s time to think ahead.I get it — SNMP has been around forever. Most of us have used tools like SolarWinds, PRTG, or Nagios with SNMP polling, right? But let’s be honest — it’s slow, reactive, […]
![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 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 […]
![ACLs: Named vs Numbered – Which One Should You Use? [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/nj-blog-post-named-numberd.jpg)
Access Control Lists (ACLs) are among the first tools you reach for when you want to secure or control traffic. But when it comes to Named vs Numbered ACLs, many learners (and even working professionals) hesitate — unsure which one to use, when, and why. […]
![Default Route Propagation – Your Gateway to the World [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Default-Route-Propagation-–-Your-Gateway-to-the-World-CCNP-ENTERPRISE.png)
Today, let’s talk about something deceptively simple but absolutely mission-critical in enterprise routing — Default Route Propagation. You know, in my CCNP classes, I often start the routing discussions with: “What happens when a router doesn’t know where to send a packet?” And the answer […]
![Loop Prevention Techniques – Keeping Your Network Stable and Efficient [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Loop-Prevention-Techniques-–-Keeping-Your-Network-Stable-and-Efficient-CCNP-ENTERPRISE.png)
We’re going to unravel one of the most critical topics in networking — Loop Prevention Techniques. If you’ve ever spent hours troubleshooting unstable networks, flapping routes, or broadcast storms, chances are, you’ve come face-to-face with some sort of looping issue. In the classroom or during […]
![Route Maps vs Prefix Lists – A Deep Dive for Real-World Networking [ CCNP ENTERPRISE ]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/06/Route-Maps-vs-Prefix-Lists-–-A-Deep-Dive-for-Real-World-Networking-CCNP-ENTERPRISE-.png)
If you’ve ever sat there staring at your router’s CLI wondering whether to use a route map or a prefix list, you’re not alone. I’ve seen many students — even working professionals — struggle with this subtle yet powerful decision. Today, I’ll walk you through […]
