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 20 years of experience in Computer Networking, Data Centers, Telecom, Internet Services, Cloud 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.
Free networking and internet tools
Eight free tools I use myself: no signup, no account, and nothing you type leaves your device. Every one runs in your browser.
Wi-Fi Channel Overlap Visualiser
Find the clearest 2.4, 5 or 6 GHz channel for your building.
Open the tool
Guide: How to Separate 2.4 and 5GHz on Spectrum Router Easily
Discover how to separate 2.4 and 5GHz on spectrum router with our easy-to-follow guide. Maximize your Wi-Fi speed and performance in a few simple steps. Get started now!
Guide: How to Separate 2.4 and 5GHz on Xfinity Routers or Modems
Master your Xfinity WiFi by separating 2.4 and 5GHz bands. Follow our quick, expert guide for better network control and performance.
Spectrum Modem Lights: Meanings & Easy Fixes
Learn what the spectrum modem lights meaning and how to use them to troubleshoot internet connection problems before calling support.
Spectrum Router Blinking Blue or White Light: Causes & Fixes
If you see your Spectrum modem blinking white and blue online light, it means it can’t connect to the internet. Learn how to troubleshoot and fix this common issue.
How to Fix Spectrum Router Red Light [Blinking and Solid]?
Resolve your Spectrum router red light issue with our expert guide. Step-by-step troubleshooting for a stable connection.
Your Spectrum Router Login Guide
Explore our detailed guide on the Spectrum router login process. Get troubleshooting tips, learn how to enhance Wi-Fi performance, and maintain strong network security!
How to Troubleshoot Eero Red Light Issue? A Complete Guide
In this comprehensive guide, we’ll cover all the potential causes of the eero red light and walk through various solutions to restore your internet access.
Cox Router or Modem Blinking Green? [Causes & Fixes]
Solve the mystery of your Cox router modem blinking green. Learn the causes and get step-by-step troubleshooting tips in this quick guide.
Is 5 Mbps Fast Enough? [In-Depth Guide]
This in-depth guide examines if 5 Mbps download speed provides sufficient bandwidth for streaming, gaming, working from home, and other modern internet activities.
Xfinity xFi Gateway Blinking Light (Green/White) — Causes and Fixes
In this comprehensive troubleshooting guide, we’ll delve deeper into the root causes behind Xfinity modem blinking green light issue and walk you through steps to resolve it.
Xfinity Router or Modem Blinking Orange Light – Causes and Fixes
Blinking yellow/amber (orange) on an Xfinity gateway usually means no network connection or activation isn’t complete. Start by waiting 15–30 minutes, check outages in the Xfinity app, then reboot.
100 MPLS Interview Questions and Answers
This article provides answers to the top 100 MPLS interview questions to help you prepare for technical interviews and certification exams.
How Many Megabytes (MB) Are in a Gigabyte(GB)? GB to MB Calculator
How many Megabytes(MB) are in a Gigabyte (GB)? – 1 GB or Gigabyte = 1,024 MB or Megabyte. In simple terms, a gigabyte or GB is 1024 times larger than a megabyte or MB. Let’s break it down further.
What Are Good Internet Speeds? A Guide to Assessing Your Connection
Learn how to determine good internet speeds based on your household’s usage and connected devices. A complete guide covering metrics like Mbps and ideal speeds for streaming, gaming, and more.
How to Extend An Ethernet Cable for Faster Internet and Stable Connections
In this comprehensive guide, we’ll walk you through the process of how to extend an ethernet cable without losing speed.
Does eero Need a Modem? Cable vs. Fiber (Setup Guide)
Discover whether Eero needs a modem, and explore the best setup options. Learn how to optimize your Eero Wi-Fi network with ease.
Ethernet Connected But No Internet Access: Troubleshooting Guide
Here’s a comprehensive guide on how to fix ethernet connected but no internet access issue.
100 OSPF Interview Questions And Answers
This article covers 100 must-know OSPF interview questions and answers to help you prepare for technical interviews and exams. It provides detailed explanations on OSPF basics, operation, packet types, LSAs, areas, configuration, commands, and troubleshooting.
100 BGP Interview Questions and Answers
In this comprehensive guide, we will cover 100 common BGP interview questions and answers to help you prepare for a technical interview or exam.
8 Best WiFi Extenders for Starlink
Boost your Starlink with the best WiFi extenders of 2024, including the high-speed Linksys RE9000 and budget-friendly TP-Link RE220.