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.
Spectrum vs Xfinity: Which Internet Provider to Choose? Expert Comparison
We have Compared Spectrum vs Xfinity on price, speed, data caps, bundles, availability, and more to see which cable internet provider delivers better service and value for your home.
Google Fiber vs Xfinity: Which is The Better Choice?
Unveil the best in "Google Fiber vs Xfinity": From symmetrical speeds and free installs to diverse bundles and wide coverage.
The Complete and Latest 2026 Guide to Mastering Xfinity Bridge Mode
Xfinity Bridge Mode allows you to turn your Xfinity router and modem combo device into just a modem, eliminating the routing capabilities while still maintaining the modem's functionality. Let's explore more in this article.
Xfinity Internet Self‑Install: Activate xFi Gateway with the Xfinity App (Coax or Fiber/ONT)
This guide will take you through setting up Xfinity Wireless Internet, including self-installation and activating the modem, setting up WiFi, troubleshooting tips, and more.
11 Best Routers for Xfinity in 2025 – [Top Picks]
We have picked the top 11 best routers that work seamlessly with Xfinity internet plans.
How to Return Xfinity Equipment: A Comprehensive Guide for All Services
How to return Xfinity equipment hassle-free for all services. Follow these step-by-step instructions to ensure a smooth return process and avoid any additional charges.
Understand and fix Xfinity Modem Lights
Learn how to troubleshoot Xfinity modem lights and keep your xfinity router running smoothly with our easy-to-follow guide – read on now!
How to locate and use the WPS Button on Xfinity Routers?
Discover how to to locate and use the wps button on Xfinity router models like XB6, XB7, XB8 and Xfinity Wireless Gateway 2 and 3 models for seamless device connections.
Comparing Ethernet Cables – Cat5 vs Cat5e vs Cat6 vs Cat6a vs Cat7 vs Cat8
In this article, we will provide a comprehensive comparison between Cat5 vs Cat5e vs Cat6 vs Cat6a vs Cat7 vs Cat8 Ethernet cables, to aid you in making informed decisions about your connectivity needs.
Why Is My Upload Speed So Slow? Reasons with Fixes
Discover why your upload speed lags: from ISP issues to old hardware. Get practical tips to boost your internet performance.
Wifi Connected But No Internet: Causes, Fix, and Preventive Measures
Troubleshoot ‘Wifi Connected But No Internet’ problems. Discover router resets, ISP checks, DNS tweaks, Windows Network Troubleshooter and more in our guide.
Is 10 Mbps Fast Enough? Evaluating Internet Speed for Different Activities
This article will provide the insights you need to determine if 10 Mbps is fast enough for your internet needs.
Is 1000 Mbps Fast Internet? (The Gold Standard of Internet Speeds)
In this article, we will delve into the world of 1000 Mbps, aka gigabit internet, and explore the question: Is 1000 Mbps fast Internet speed?
Is 200 Mbps Fast Enough for Your Online Needs?
Is 200 Mbps fast enough for you? Supports 10 4K streams, 25 HD calls, and lag-free gaming. Find out if it meets your needs.
What is ARP, RARP, Proxy ARP, and GARP
In this article, we delve into the specifics of networking protocols like ARP (Address Resolution Protocol), RARP (Reverse Address Resolution Protocol), Proxy ARP, and GARP (Gratuitous Address Resolution Protocol).
Understanding MTU, Jumbo Frames, and MSS: A Comprehensive Guide
By the end of this article, you should have a clear understanding of MTU, Jumbo Frames, and MSS and how they influence your network’s efficiency and performance.
QEMU vs. KVM: A Comprehensive Guide
Understand the real differences between QEMU and KVM, how accelerators like KVM, HVF, WHPX, and NVMM change performance, and when to use QEMU alone vs QEMU+KVM.
What is BFD or Bidirectional Forwarding Detection?
In this article, we will delve into the details of BFD (Bidirectional Forwarding Detection), including how it works, its configuration, use cases, best practices, integration with various networking protocols, and more.
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.