![Ultimate Comparison: NetFlow vs sFlow – Insights [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Ultimate-Comparison_NetFlow-vs-sFlow-–-Insights_networkjourney.png)
I know firsthand how critical choosing the right traffic monitoring tool is—be it for CCNA/CCNP preparation, network optimization, or troubleshooting. Today, we’ll decode two powerful technologies: NetFlow and sFlow. We’ll break down what they are, how they work, and which one suits your network—all in […]
![SNMPv2 vs SNMPv3: Secure and Scalable Network Monitoring [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/SNMPv2-vs-SNMPv3-Secure-and-Scalable-Network-Monitoring_networkjourney.png)
we’re diving into a classic comparison every network engineer must understand—SNMPv2 vs SNMPv3. If you’re preparing for CCNA, CCNP, or actively working with NMS (Network Management Systems), this topic is your foundation for monitoring, managing, and securing enterprise-grade networks. In many real-world deployments, SNMP (Simple […]
![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. […]
![Can ARP ACLs Replace DHCP Snooping for ARP Security? Let’s Find Out! [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/nj-blog-post-ARP-ACLs.jpg)
I always say in my trainings — “Security doesn’t start at the firewall; it starts at the access port.” You’d be surprised how easy it is for an attacker to spoof an ARP reply and become the man-in-the-middle in your enterprise network. This is where […]
![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 […]
![Routing Table Lookup Process – Explained with Lab & CLI [ CCNP ENTERPRISE ]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/06/Routing-Table-Lookup-Process-–-Explained-with-Lab-CLI-CCNP-ENTERPRISE-.png)
Today I’m going to deep-dive into a very important yet often overlooked concept – the Routing Table Lookup Process. Many of my students know how to configure OSPF, BGP, or EIGRP, but when asked “How does a router actually choose the best route when multiple […]
![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 […]
![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 […]
![Mastering Layer 2 Troubleshooting Commands: A Complete Guide with CLI & EVE-NG Labs [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-Layer-2-Troubleshooting-Commands_networkjourney.png)
Today we’re diving into something every network engineer must master—Layer 2 Troubleshooting. Whether you’re preparing for CCNP or resolving critical enterprise network issues, knowing the right CLI commands can make all the difference. In this post, we’ll walk through key Layer 2 concepts, explore essential […]
