![STP Root Bridge Election Explained: Priority, MAC & CLI Examples [2025]. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/STP-Root-Bridge-Election-Explained_Priority_MAC_CLI-Examples_networkjourney.png)
When I first started learning about Spanning Tree Protocol (STP), I thought, “Why does my switch block a link even when there’s no loop?” The answer: Root Bridge Election. Most learners get tripped up trying to remember how STP elects the root bridge and why […]
![STP vs RSTP vs MST: Full Comparison with Real Labs & CLI [2025] [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/STP-vs-RSTP-vs-MST_networkjourney-1.png)
If you’ve ever sat in front of your topology wondering “Why is one link blocking? Why did convergence take so long?”, you’ve already met the mysterious world of Spanning Tree Protocols. STP, RSTP, and MST sound intimidating at first—but once you get hands-on and understand […]
![Native VLAN Mismatch Detection_The Hidden Threat to Your Network [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Native-VLAN-Mismatch-Detection_networkjourney.png)
It’s subtle, often goes unnoticed, and yet can silently disrupt your network, especially when dealing with trunk links. I created this article so you don’t just memorize it for your CCNA or CCNP—you understand it, simulate it, and troubleshoot it like a real-world engineer. Let’s […]
![Are Hypervisors Replacing Bare Metal in 2025? Here’s What You Should Know. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Are-Hypervisors-Replacing-Bare-Metal-in-2025_networkjourney.png)
Today we’re diving into a topic I often discuss with students, clients, and fellow engineers — should you deploy your network on a hypervisor or go bare metal? When I started building labs and handling client deployments, I thought bare metal was always the “pro” […]
![Cisco LISP Protocol Explained with CLI, Labs, and Use Cases. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Cisco-LISP-Protocol-Explained-with-CLI_Labs_and-Use-Cases_networkjourney.png)
If you’ve been diving into advanced routing or enterprise-level WAN designs, you may have come across a fascinating protocol called LISP (Locator/ID Separation Protocol). When I first encountered LISP while working on inter-DC communication and traffic engineering use cases, I realized it offered something most […]
![Why Is VXLAN Better Than VLAN in Large-Scale Networks? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Why-Is-VXLAN-Better-Than-VLAN-in-Large-Scale-Networks_networkjourney.png)
If you’ve ever wondered how data centers manage large-scale Layer 2 networks over Layer 3 infrastructure, today’s topic will blow your mind — VXLAN. I still remember my first experience with VXLAN during a large DC project, where VLANs just couldn’t scale anymore. That’s when […]
![Cloud Networking Made Simple: Dive into IaaS, PaaS & SaaS [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Cloud-Networking-Made-Simple_-Dive-into-IaaS_-PaaS_SaaS_networkjourney.png)
If you’re still scratching your head over the differences between IaaS, PaaS, and SaaS, you’re not alone. I remember the first time I tried to wrap my head around these concepts—it was confusing, full of buzzwords, and felt a bit too “cloudy” to grasp clearly. […]
