Internet Services, Modems & Routers, Tech Reviews, Computer Networking, Security, and more!
Afroz Ahmad – Main Author of AfrozAhmad.com
Welcome to Afroz Ahmad – I’ve been writing about computer network technologies on my blog since 2012. My name is Afroz Ahmad, and I am a seasoned Network Engineer and author of AfrozAhmad.com.
I’m a CCIE with more than 17 years of experience in Computer Networking, Data Centers, Telecom, Internet Services, and ISPs. Currently, I work as a Network Designer for a leading ISP equipment vendor. I share my expertise through my blog and courses, aiming to help people solve everyday internet issues, select the appropriate equipment for their tech needs, and simplify complex networking concepts for both beginners and experienced professionals.
Reach out to me with any questions you have on Computer Networking, Modems, Routers, Internet services, etc.
4 Simple Tips on how to choose your VPS hosting provider for Web Hosting
Choosing the right virtual private server for web hosting can be a daunting task. Luckily, this guide has you covered with 4 simple tips on how to choose your VPS hosting provider.
OSPF Path Selection Process Explained
In this article, we will discuss the steps that OSPF takes to determine the optimal path to each destination network and how you can manipulate some of the OSPF parameters to affect the overall behavior of the OSPF path selection process.
What Does VPS Stand For?
What does VPS stand for? A VPS is an acronym for Virtual Private Server. It is a remote server hosted in the cloud, where you can host almost anything you can host locally on your computer or a server.
OSPF Virtual Link Explained in Detail
In this article, we will discuss OSPF virtual link, when you should use it, requirements, key points, and how to configure it. As a bonus, we will also discuss an alternative option for the OSPF virtual link.
OSPF Network Types Explained
There are three OSPF network types: broadcast, point-to-point, and non-broadcast. There are also two Cisco-proprietary types: point-to-multipoint and point-to-multipoint non-broadcast. Let’s explore all five OSPF network types.
What are the Types of OSPF Routers, Area Border Routers, or ABRs?
This article will discuss the types of OSPF routers, the Area Border Routers (ABR) in OSPF, why we need them, and how to configure them to optimize overall OSPF and network performance.
OSPF Area Types – [Infographics]
This blog post will explain what OSPF area types are, why we need them, their benefits, how they work, and how to configure them in your network.
OSPF LSA Types Explained – [Infographic Cheat Sheet]
Do you know that OSPF uses only six common OSPF LSA types out of a total of eleven types of LSA? In this blog post, I will dig deep into all the LSAs, explaining what they do and how to use commands to check them.
OSPF states Explained [with Infograhic]
Let us look into OSPF states: down, init, 2-way, exstart state, exchange state, loading, and full state, which help a router form OSPF's neighbor adjacency.
Open Shortest Path First – What is OSPF in Networking
Learn about Open Shortest Path First or What is OSPF in networking and How it works and forms neighbors with other OSPF routers. In Short, the OSPF protocol is a link-state routing protocol that is designed to work in a single Autonomous System.
What is Routing Information Protocol – RIP v1 and v2 – The Definitive Guide
In this post, we'll define what is Routing Information Protocol, or RIP and how this routing protocol works, and show its pros and cons before diving into details like versions (RIP v1 and v2), timers, update types, and configuration.
Understanding Dynamic Routing Protocols Types [with Infographic]
Routers run different dynamic routing protocols types to update their routing table automatically. Depending on the scale and nature of your network, you might need to use one or more different types of routing protocols explained in this article.
What is a floating static route, and its characteristic?
In this blog post, you’ll learn about floating static routes, their characteristics, and why you might use them. Discover how to configure floating static routes effectively with a workflow and sample configuration for real-world scenarios.
What is a Routing table, explained with Show IP Route Command Cisco
Wondering what is a routing table and what are the types of routes it contains? Read on to learn more! Furthermore, we will explain why the router uses routing tables and how you can use the show ip route command cisco to view its contents.
Best Computer Networking Course Online for Beginners with Ratings
Finding the best computer networking course online can be difficult if you want to pursue a networking career. So look no further than this list of hand-crafted 18 beginner-level computer networking courses online. These courses will teach you networking basics and help you start your computer networking career.
What is Routing in Networking, and How Does Routing Work?
Understanding how routing and routers work is essential if you want to troubleshoot or design networks. So please read this article to learn more about routing in networking, and its related details like how routing works, routers, different types of routing, etc.
Comparison between TCP IP vs OSI Model (with Cheatsheet PDF)
The TCP IP and OSI model are two different models used to explain how a network operates. We will look at key similarities and differences between TCP IP vs OSI model in this article.
What are the 4 layers of the TCP/IP model?
A clear, updated guide to the 4 layers of the TCP/IP model with concise roles, common protocols, IPv4 vs IPv6 notes, and modern transports like QUIC/HTTP/3.
OSI Model Cheat Sheet Infographic
This OSI Model Cheat Sheet Infographic is a free resource to get a quick summary of the most important concepts of the OSI model.
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.