🧠 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 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