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![Build Your First MPLS L3VPN: CLI + Diagrams + Troubleshooting [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Build-Your-First-MPLS-L3VPN_CLI_Diagrams_Troubleshooting_networkjourney.png)
Build Your First MPLS L3VPN: CLI + Diagrams + Troubleshooting [CCNP ENTERPRISE]
I want to walk you through a key topic that continues to dominate enterprise networks and is highly relevant for those preparing for advanced routing certifications: MPLS (Multiprotocol Label Switching). Whether you’re preparing for your certification journey or working in a service provider role, understanding […]
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![OSPF LSA Types Explained: Complete Guide with CLI, EVE-NG Lab & Real-World Use Cases [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-LSA-Types-Explained_Complete-Guide-with-CLI-EVE-NG-Lab-Real-World-Use-Cases_networkjourney.png)
OSPF LSA Types Explained: Complete Guide with CLI, EVE-NG Lab & Real-World Use Cases [CCNP ENTERPRISE]
Today we’re going to tackle one of the most crucial yet often misunderstood parts of OSPF—LSA Types. When I train CCNA and CCNP candidates, many get confused with when and where to use Type 1 vs Type 3 or what the heck Type 7 LSAs […]
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![OSPF Router Types Explained: ABR, ASBR, DR Roles, CLI, Lab & Real-World Examples [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-Router-Types-Explained_ABR_ASBR_DR-Roles_networkjourney.png)
OSPF Router Types Explained: ABR, ASBR, DR Roles, CLI, Lab & Real-World Examples [CCNP ENTERPRISE]
In today’s blog, we’re diving into one of the most essential concepts that often gets overlooked when learning OSPF—OSPF Router Types: ABR, ASBR, and DR. I remember back in my early days of CCNP preparation, this topic felt dry—just definitions. But once I started applying […]
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![OSPF Area Types Explained: Stub, Totally Stubby & NSSA with CLI, Lab & Real-World Use Cases [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-Area-Types-Explained_Stub_Totally-Stubby_NSSA_networkjourney.png)
OSPF Area Types Explained: Stub, Totally Stubby & NSSA with CLI, Lab & Real-World Use Cases [CCNP ENTERPRISE]
If you’ve ever felt confused by OSPF area types—like what makes an area “Stub,” “Totally Stubby,” or “NSSA”—you’re not alone. Many of my CCNP Enterprise trainees get tripped up on these terms, especially when it comes to LSA propagation and route filtering across areas. That’s […]
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![Mastering EtherChannel Load Balancing Methods: A Complete Guide with CLI & EVE-NG Lab [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-EtherChannel-Load-Balancing-Methods_A-Complete-Guide_networkjourney.png)
Mastering EtherChannel Load Balancing Methods: A Complete Guide with CLI & EVE-NG Lab [CCNP ENTERPRISE]
we’re diving into one of the most common — yet often misunderstood — areas of switching: EtherChannel Load Balancing Methods. If you’ve ever wondered why your traffic is not using all the available links in your EtherChannel, or if you’re trying to get the most […]
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![Access Port vs Trunk Port Explained: Cisco CLI + EVE-NG Labs [2025] [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Access-Port-vs-Trunk-Port-Explained_networkjourney.png)
Access Port vs Trunk Port Explained: Cisco CLI + EVE-NG Labs [2025] [CCNP ENTERPRISE]
If you’re diving into VLANs, there’s one thing you must get right—knowing when and how to use Access vs Trunk ports. I’ve seen learners assign a trunk port to a PC and wonder why nothing pings. Whether you’re preparing for your CCNA, labbing in EVE-NG, […]
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![Why Are Enterprises and Service Providers Moving to NFV? [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Why-Are-Enterprises-and-Service-Providers-Moving-to-NFV_networkjourney.png)
Why Are Enterprises and Service Providers Moving to NFV? [CCNP ENTERPRISE]
If you’re someone who loves physical routers, switches, and the feel of plugging in those console cables — I totally get you. I started my journey the same way. But guess what? The world is evolving fast, and the network functions we once ran on […]
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![Still Using Standard vSwitches? Here’s Why DVS Is a Must in 2025 [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Still-Using-Standard-vSwitches_Here_s-Why-DVS-Is-a-Must-in-2025_networkjourney.png)
Still Using Standard vSwitches? Here’s Why DVS Is a Must in 2025 [CCNP ENTERPRISE]
Today we’re diving into something that every modern network engineer must understand — Virtual Switches. Whether you’re configuring labs in EVE-NG, building enterprise data centers, or managing virtual machines in VMware or Hyper-V, virtual switches (vSwitch and DVS) are everywhere. I remember the first time […]
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![How Do Bridge Domains and EPGs Work Together in Cisco ACI? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/How-Do-Bridge-Domains-and-EPGs-Work-Together-in-Cisco-ACI_networkjourney.png)
How Do Bridge Domains and EPGs Work Together in Cisco ACI? [CCNP Enterprise]
Today we’re going deep into a topic that often seems overwhelming at first but becomes incredibly exciting once you get the hang of it — Cisco ACI (Application Centric Infrastructure). When I first started exploring Cisco ACI in customer data center deployments, I found myself […]
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![2025 Guide: Overlay vs Underlay in SD-WAN – What’s Changed? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Overlay-vs-Underlay-in-SD-WAN_networkjourney-1.png)
2025 Guide: Overlay vs Underlay in SD-WAN – What’s Changed? [CCNP Enterprise]
If you’re anything like my students or clients, you’ve probably heard the words “overlay” and “underlay” thrown around constantly in the world of SD-WAN. But in 2025, how much do you really understand about how these layers work—and more importantly, how they’ve evolved? Today, we’re […]
