Posts about theory of networks, network equipment, network configuration, troubleshooting network issues
DNS (Domain Name System) is crucial to our internet experience, translating human-readable domain names into IP addresses. Your computer caches these DNS records to enhance performance and reduce network traffic. In this article, we’ll explore how to view and manage your DNS cache using the traditional ipconfig /displaydns command and its more powerful PowerShell counterpart….
In our increasingly connected world, various types of computer networks form the backbone of our digital infrastructure. While Local Area Networks (LANs) and Wide Area Networks (WANs) are commonly known, Metropolitan Area Network (MAN) plays a crucial yet often overlooked role. This post will explore the intricacies of MANs, their operation, and their significance in…
In today’s interconnected world, efficient and secure network management is critical. Virtual Local Area Networks provide a robust solution for network segmentation, enhancing both performance and security. This blog post delves into the intricacies of VLAN technology, its configuration, and its benefits for modern networks. What is a VLAN? A VLAN (Virtual Local Area Network)…
Understanding the intricacies of neighbor discovery processes in computer networks is crucial for maintaining robust and efficient network communication. In this post, we’ll explore the key protocols that facilitate this process within IPv4 networks. Neighbor discovery in computer networks is a fundamental aspect of network layer protocols in the Internet protocol suite. It’s a mechanism…
When it comes to visualizing the architecture of a computer network, having the right software for creating a diagram of networking is crucial. These tools not only help in mapping out the network’s structure but also play a key role in managing and troubleshooting various network components. Well structured network diagram (documentation) has these elements…
The Virtual Router Redundancy Protocol (VRRP) is a network communication protocol that provides a way to have a fault-tolerant default gateway (router) on a network. This blog post will delve into the details of VRRP, its workings, and its advantages. What is VRRP? VRRP is a protocol that helps us eliminate the single point of…
Do you often find yourself lost in the vast world of Windows Command Prompt (cmd), unsure of the commands that could make your life easier? Fear not! This quick guide will delve into the top 25 Windows Command Prompt commands that every user should know. Launching Windows Command Prompt (cmd) Like a Pro Let’s launch…
Routers are the silent architects behind the seamless flow of data in the complex world of networking. In this blog post, we will embark on a journey to uncover the importance of a router in networking. We’ll explore how routers align with the OSI model, demystify the routing process, draw parallels between routing and the…
In the realm of networking, uptime is the holy grail. Downtime can result in significant financial losses, damage to reputation, and frustrated end-users. To ensure maximum network availability and minimize the risk of disruption, network architects and engineers implement redundancy. Redundancy, in the context of networking, refers to the practice of building multiple, often parallel,…
Introduction Unusual traffic from your computer network can be a sign of various issues, such as a malware infection, a misconfigured device, a hardware issue, or even a sign that your network is being used for malicious activities. Resolving this issue is crucial to maintaining the security and performance of your network. Here’s how you…