![iBGP vs eBGP Differences – A Deep Dive with Real-World Examples [ CCNP ENTERPRISE ]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/06/iBGP-vs-eBGP-Differences-–-A-Deep-Dive-with-Real-World-Examples.png)
Today I’m diving into one of the most fundamental yet often misunderstood topics in BGP – the difference between iBGP and eBGP. Whether you’re prepping for CCNA/CCNP or working on a real enterprise network, understanding these two forms of BGP peering is absolutely essential. I […]
![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 […]
![Accelerate STP Convergence with UplinkFast and BackboneFast [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Accelerate-STP-Convergence-with-UplinkFast-and-BackboneFast_networkjourney.png)
If you’re someone preparing for your CCNP or trying to optimize a real-world network, you’ve probably heard about UplinkFast and BackboneFast—two hidden gems in the Spanning Tree Protocol (STP) world. I’ve seen many networks struggle with convergence times due to unnecessary delays, and that’s exactly […]
![Mastering STP Tuning: Optimizing Priority & Path Cost for Smarter Network Redundancy [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-STP-Tuning_Optimizing-Priority_Path-Cost-for-Smarter-Network-Redundancy_networkjourney.png)
I want to walk you through something that may seem subtle at first glance—but is absolutely critical when building reliable, loop-free Layer 2 networks: STP tuning. Whether you’re preparing for a CCNP certification, managing a growing enterprise network, or simply refining your EVE-NG lab skills, […]
![The Hidden Superpower of Routers – Master Virtual Routing & VRF Today [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/The-Hidden-Superpower-of-Routers-–-Master-Virtual-Routing_VRF-Today_networkjourney.png)
I know how confusing “virtual routing” can sound when you’re just starting to dive deep into enterprise network architecture. Believe me, I’ve been there. When I first stumbled upon concepts like VRF and virtual routers, I thought, “Is this just another fancy way to complicate […]
![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” […]
![How Can GRE Tunnel Help Connect Remote Sites? Full Cisco Setup Guide [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/How-Can-GRE-Tunnel-Help-Connect-Remote-Sites_networkjourney.png)
I’m bringing you one of the most essential yet often misunderstood technologies in networking — GRE Tunnels. I’ve seen students struggle to understand why or how GRE is used, and I completely understand! When I first came across GRE, I kept wondering how traffic magically […]
![Two-Tier vs Three-Tier Network Architecture – Complete Guide with EVE-NG Lab & CLI [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Two-Tier-vs-Three-Tier-Network-Architecture_networkjourney-1.png)
In this post, I’ll break down Two-Tier and Three-Tier Network Architecture in simple terms, just like I do in my instructor-led classes. By the end, you’ll not only understand these models but also see how to configure and simulate them using EVE-NG. In enterprise network […]
