📝Cisco Discovery Protocol (CDP) Explained with Commands & Real Examples In real-world networking, one of the most common challenges is identifying what devices are connected in your network — especially when documentation is missing or outdated. This is where Cisco Discovery Protocol (CDP) becomes extremely useful. As someone working in networking, I’ve personally used CDP … Read more
🧠 Introduction : What is Cisco Express Forwarding (CEF)? CEF stands for Cisco Express Forwarding. It is a Cisco proprietary method used for forwarding packets in routers and Layer 3 switches. In traditional routing, whenever a packet arrives, the router performs a lookup process every time, which involves CPU processing. This makes the forwarding slower … Read more
🧠 Introduction: Switch Hardware, Types, and Initial Configuration (Complete Beginner Guide) Network switches are one of the most important devices in modern networking. They are used to connect multiple devices within a local network and ensure efficient communication. Switch is a plug and play device. We can assign IP address on a switch. In production … Read more
🧠 Introduction In computer networking, two of the most important devices are routers and switches. While they may look similar, they serve completely different purposes in a network. In this guide, we will clearly explain: What a router is What a switch is Key differences between them When to use each device 🌐 What is … Read more
🧠 Introduction In networking, devices communicate using IP addresses, but actual data transmission happens using MAC addresses. This creates an important question: 👉 How does a device find the MAC address of another device using its IP address? This is where ARP (Address Resolution Protocol) comes into the picture. In this article, we will understand: … Read more
📌 Introduction In computer networking, understanding how a switch learns MAC addresses is a fundamental concept, especially for students preparing for CCNP exam. A network switch operates at Layer 2 (Data Link Layer) of the OSI model and makes forwarding decisions based on MAC (Media Access Control) addresses, and not IP addresses. In this guide, … Read more
Step-by-Step Guide to Make a Bootable Pendrive Using Rufus Software Below are the steps to download and install Rufus software. Step 1: Download Rufus Software Open any browser like Google Chrome, Microsoft Edge or Mozilla Firefox. and search for rufus software as shown in the below pic.Click on the first link or visit the official … Read more