What is TTL in DNS?
Discover everything you need to know about DNS TTL, including what is TTL in DNS, its purpose, how it works, best practices, troubleshooting, and how to optimize it for your domain.
Category Troubleshooting
What is DHCP Snooping: DHCP Snooping Explained in Depth
Discover what is DHCP Snooping and its significance in network security. Learn how it prevents DHCP-based attacks and rogue servers in our comprehensive guide.
What is Traceroute Command and How it Works: A Comprehensive Guide
Discover the power of traceroute in this comprehensive guide, covering its purpose, usage across platforms, reading outputs, response types, and network troubleshooting. Unravel the complexities of this essential network diagnostic tool.
What is Netstat Command: Functions, Usage & Network Insights
A practical guide to the netstat command across Windows, Linux, and macOS—with quickstart examples, accurate flags, and modern ss/iproute2 equivalents.
What is TTL in Networking?
Explore Time To Live (TTL) in computer networking, its purpose, mechanism, implementation in protocols, troubleshooting, real-world examples, and best practices.
OSPF Authentication: What, Why, and How to Configure?
This article covers OSPF authentication, including its definition, benefits, and instructions for configuration and troubleshooting.
Comparison between TCP IP vs OSI Model (with Cheatsheet PDF)
The TCP IP vs OSI Model debate has been around for years. Which one is better? What are the similarities and differences? Let’s take a look. What is the difference between TCP IP vs OSI model? (with Cheatsheet PDF and…
OSI Model Cheat Sheet Infographic
In my last post, I wrote about the OSI Model and its 7 layers of networking, so here is an OSI Model Cheat Sheet Infographic to help you remember all the details. This cheat sheet will give you a quick…
What are the 7 Layers of OSI Model in Networking?
This blog post will explain the 7 layers of OSI Model, and how they work with each other in easy-to-understand language.
How to Find Cisco Router Login Details
Struggling to find the login details for your Cisco router? This guide walks you through two simple, effective methods to find default credentials, navigate Cisco's website, and access any router model, from older classics to modern devices.