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
6 Best Modem Router Combos for Cox Internet (2026)
Compare six Cox-certified modem router combos for 1–2 Gig plans, including Wi-Fi 7 and Wi-Fi 6 picks, plus compatibility and support warnings.
Spectrum Approved Modem Router Combos: The Authorized List
Spectrum authorizes 26 modems and combos up to 1 Gig and 7 up to 500 Mbps. The full lists, plus the Home Phone and symmetrical-tier rules.
Arris Modem Lights (SB8200, S33, SBG10): Meanings, Problems & Fixes
See what Arris modem lights mean on the SB8200, S33/S34, and SBG10. Decode green, blue, amber, and blinking LEDs, then follow the right fix.
Best Budget Home Lab Setup: 5 Picks for a Real Starter Stack (2026)
Five picks for a budget home lab: a Proxmox mini PC, an OPNsense firewall, a managed switch, a pure sine UPS and an ARM node. Every spec is source-checked.
Best Modems for Spectrum: Top DOCSIS 3.1 Picks That Actually Work
Stop renting from Spectrum. These six DOCSIS 3.1 modems — all on Spectrum's approved list — cut your bill by up to $168 a year and actually unlock the speeds you're paying for.
Best Routers for AT&T Fiber Internet (IP Passthrough Picks)
The best routers for AT&T Fiber handle IP Passthrough cleanly, support multi-gig WAN, and actually work behind the BGW320 gateway. We tested Wi-Fi 7 picks from ASUS, TP-Link, and NETGEAR for every budget and speed tier.
Best PoE Switches for Home Lab and Small Business (2026)
After testing 14 PoE switches, these 6 deliver the best mix of wattage, management, and value for home labs and small businesses in 2026.
Best Routers for T-Mobile Home Internet in 2026 (Behind-the-Gateway Picks)
The 5 best routers for T-Mobile Home Internet in 2026, selected after real testing behind the T-Mobile gateway. Covers all budgets from $60 to $220.
Best Home Lab Network Gears and Setup Guide: Equipment, Builds and VLANs (2026)
Best Home Lab Network Gears and Setup Guide covering firewalls, switches, VLANs, and real lab builds for learning, self-hosting, and certifications.
Telecom Network Infrastructure: Complete Guide to Components & Design
Comprehensive guide to telecom network infrastructure covering physical components, 5G requirements, virtualization, and emerging technologies from a CCIE engineer.
TP-Link TL-SG108E vs Netgear GS308E: Budget Smart Switches
Side‑by‑side look at TL‑SG108E and GS308E with the decisive differences up front: link aggregation support, VLAN limits, warranties, and firmware status.
MikroTik CRS305-1G-4S+ Review: The Ultimate Budget SFP+ Switch Guide
MikroTik CRS305-1G-4S+ Review: Best Budget SFP+ Switch for Homelab? In-depth look at performance, noise, power use, SFP+ compatibility, and ideal homelab setups.
10 Best Network Switches for Home Networks in 2026 (Top Picks)
Boost your home network with 2026’s top switches—Gigabit, 2.5G, PoE, and smart features—discover which model fits your setup before you buy.
6 Best Budget Routers for Small Business (2026)
Compare six budget routers for small offices, including Wi-Fi 6 and wired gateways with VLAN, VPN and multi-WAN options. See what each setup requires.
How to Configure a Secure Site-to-Site VPN on Cisco Firepower Complete Guide
Learn how to configure a secure site-to-site VPN on Cisco Firepower with a step-by-step guide covering policy-based and route-based VPNs, NAT, routing, and troubleshooting.
Jobs for Network Engineers: Roles, Skills & Pay
Explore jobs for network engineers, key roles, skills, certifications, and real pay ranges to see if this networking career path fits your goals.
How to Change Your WiFi Password on Any Router (2026)
Change your Wi-Fi password in 5 steps on any router or in the Xfinity, Verizon and Cox apps, with current NIST-backed advice and fixes for login problems.
Best WiFi 7 Routers: Picked by a Network Engineer
Discover the best WiFi 7 routers, benchmarked by a certified Network Engineer. Compare real-world speeds, port specs, and coverage maps for top models from TP-Link and Asus to find the perfect upgrade for your home network.
Justifying a $50k or even Higher Annual Switch Upgrade: What Must-Have Features Are We Missing?
Justifying a $50k or even Higher Annual Switch Upgrade: What Must-Have Features Are We Missing?
Managing Overlapping Private IPs in Multi-Client Site-to-Site VPNs: Best Practices?
Managing Overlapping Private IPs in Multi-Client Site-to-Site VPNs: Best Practices
Epson EpiqVision Flex CO-W01 Projector Review
Uncover the impressive features of the Epson EpiqVision Flex CO-W01 projector, but is it the perfect choice for your viewing needs?
How to Log in to Your Netgear Router
Effortlessly login to your Netgear router, manage settings, and resolve common issues.
Gaimoo GM200 Mini Projector Review
Gaimoo GM200 Mini Projector is a versatile mini projector that packs 4K playback and smart TV features, but does its compact size compromise performance?