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![Mastering BGP Peering and Authentication – A Complete Guide [ CCNP ENTERPRISE ]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-BGP-Peering-and-Authentication-–-A-Complete-Guide.png)
When I first started working with BGP, I thought it was just about connecting two routers and typing in some IP addresses. But oh boy, did I underestimate it! Real-world BGP is like dealing with diplomatic foreign policies—every move matters, every configuration can make or […]
![OSPFv3 Configuration – The IPv6 Way[ CCNP ENTERPRISE ]](https://networkjourney.com/wp-content/uploads/2025/06/OSPFv3-Configuration-–-The-IPv6-Way_networkjourney.png)
I still remember when I first explored OSPFv3 in a real-world enterprise setup. It was like learning OSPF all over again, but this time with an IPv6 twist. Many students ask me — “Sir, OSPF toh aata hai, but what’s the real difference in OSPFv3?” […]
![EIGRP for IPv6 – Routing Smarter in the Next-Gen Network Era [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/EIGRP-for-IPv6-–-Routing-Smarter-in-the-Next-Gen-Network-Era_networkjourney-1.png)
In today’s networks, where IPv6 adoption is growing rapidly, you’ll need this skill not just for interviews and certifications but in real-world deployments too. This post will take you step-by-step through: Let’s make EIGRP for IPv6 your comfort zone. Theory in Brief – What is […]
![EIGRP Metric Calculation – Understand the Brain Behind Route Selection. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/EIGRP-Metric-Calculation-–-Understand-the-Brain-Behind-Route-Selection_networkjourney.png)
We often configure EIGRP and move on, but do we ever pause and ask — how does EIGRP decide which path is the best? The answer lies in its metric calculation — the “math” behind routing decisions. Trust me, once you understand EIGRP’s metric logic, […]
![Static vs Dynamic Routing – Which One Should You Trust in Real Networks? [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Static-vs-Dynamic-Routing–Which-One-Should-You-Trust-in-Real-Networks_networkjourney-1.png)
“Should I use static or dynamic routing here?” — welcome to a real-world networking dilemma. When I started out in the networking field, I leaned heavily on static routes because they were simple and easy to control. But as networks grew more complex, I quickly […]
![MST Region Configuration Explained: Streamlining Spanning Tree for Scalable Networks [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/MST-Region-Configuration-Explained_Streamlining-Spanning-Tree-for-Scalable-Networks_networkjourney.png)
Today I want to make your STP game stronger with a concept that often confuses even seasoned engineers: Multiple Spanning Tree (MST) Region Configuration. If you’ve worked with classic STP or even Rapid-PVST, you know how tricky it gets as your network grows. MST brings […]
![MAC Address Table Lookup Deep Dive: Mastering Switch-Level Visibility [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/MAC-Address-Table-Lookup-Deep-Dive_networkjourney.png)
If you’ve ever faced a scenario where you’re asking, “Where is this device plugged in?”, then you know how crucial the MAC Address Table Lookup is. Whether you’re chasing down rogue devices, optimizing switch performance, or preparing for CCNP exams, knowing how to navigate the […]
![Overlay Technologies for CCNP Enterprise: The Complete 2025 Guide with Labs, CLI & Exam Relevance [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Overlay-Technologies-for-CCNP-Enterprise_networkjourney.png)
If you’re preparing for the CCNP Enterprise certification, there’s no escaping the importance of Overlay Technologies. Whether you’re tackling the ENARSI exam or diving deep into advanced enterprise network design, mastering overlays like VXLAN, GRE, LISP, and MPLS is critical. In this blog, we’ll take […]
![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” […]
![On-Prem vs Cloud Controllers – Which One Powers Your Network Better? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/On-Prem-vs-Cloud-Controllers_networkjourney.png)
I want to talk to you about something every modern network engineer must understand — Controllers, and more importantly, the difference between On-Prem and Cloud Controllers. Back in the day, managing a network meant having your hands on physical boxes, CLI screens, and local NMS […]
