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.
How to Navigate the World of Network Engineering in 2024: Fundamentals, Trends, and Solutions
Real-world insights on Fundamentals, Trends, and Solutions for a successful career in network engineering.
How to advertise routes in BGP – 5 Simple Techniques
Master the art of BGP route advertisements and control your network like a pro. Learn how to advertise routes in BGP with our practical guide.
List of BGP Attributes and the BGP Best Path Selection Algorithm
In this article, we’ll take an in-depth look at BGP path attributes, the best path selection process, and its cheat sheet.
BGP Message Types
In this blog post, we’ll take a detailed look at the different types of BGP messages (Open, Keepalive, Update, and Notification) and how they are used.
BGP Neighbor Establishment Process Explained
This article will explain the process of establishing and maintaining a BGP neighbor relationship, including the steps and configuration involved and the messages exchanged.
BGP States Explained
The goal of this article is to give you a full understanding of the six BGP states of a BGP session, which are idle, connect, active, OpenSent, OpenConfirm, and established, as well as how BGP moves between them.
What is BGP in Networking and How it Works?
In this guide, you’ll learn what is BGP in Networking, how it works, and some of its key features, benefits, challenges, and ways to learn BGP concepts faster.
OSPF Authentication: What, Why, and How to Configure?
This article covers OSPF authentication, including its definition, benefits, and instructions for configuration and troubleshooting.
OSPF Troubleshooting Commands Cheat Sheet
In this blog post, you will find a comprehensive list of OSPF troubleshooting commands network engineers can utilize in real-world scenarios.
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.