🔍💡Blaming the Internet | When the Real Culprit is Your LAN or WiFi💻


It’s a tale as old as time—someone runs a Speedtest, sees a low result, and immediately blames their ISP or network provider. But is the Internet really at fault? More often than not, the real issue lies within the local network, either with the LAN or WiFi. The problem isn’t that Speedtest is unreliable—it’s that people interpret the results without considering where the bottleneck actually is. 🔍💡💻
The Misuse of Speedtest
Speedtest by Ookla is one of the most commonly used tools to measure network performance, but it has a fundamental flaw—it only tells you the speed between your device and a test server on the Internet. It doesn’t account for local network issues such as:
Poor WiFi signal strength 📶
Network congestion from multiple devices 🏠📡
Faulty or overloaded LAN switches 🔌
Malfunctioning network cables or ports 🛠️
Underpowered routers or access points 🖥️⚠️
When people see a bad Speedtest result, they assume their last mile connectivity is at fault when the real problem is much closer to home.
Common Local Network Issues That Get the Blame
1. WiFi Woes 📡🚧
Wireless networks are notorious for causing performance issues, especially in congested areas. Some key problems include:
Signal interference from other WiFi networks and devices (like microwaves or Bluetooth gadgets).
Range issues, where users move too far from the router, resulting in weaker signals.
Bandwidth hogging, where someone is streaming 4K video while another tries to do a Speedtest.
Poorly placed access points leading to dead zones.
2. LAN Limitations 🔌🏠
For wired networks, problems can arise from:
Aging or faulty network cables (e.g., using Cat5 instead of Cat6 in a gigabit network).
Slow network switches that act as bottlenecks.
Devices maxing out switch capacity, leading to packet loss.
3. Device Bottlenecks 📱💻
Sometimes, the problem isn’t the network at all, but the device running the Speedtest:
Older laptops or mobile phones may have slow WiFi chipsets.
Overloaded devices (running multiple background applications) can skew results.
Misconfigured network settings, such as static DNS or incorrect IP configurations, can cause slowdowns.
How to Identify the Real Problem?
Before blaming your ISP, try these quick tests to rule out local issues:
Ping your local gateway (router):
Run:
ping 192.168.1.1
(or whatever your router’s IP is).If there’s packet loss or high latency, the issue is local.
Test both upload and download directions:
- If possible, ping your device from the router’s interface to check for uplink/downlink discrepancies.
Try a wired connection:
- If speeds improve significantly when using Ethernet, the problem is your WiFi.
Check for congestion:
- Disconnect other devices and test again.
Use local speed test tools:
- Some ISPs provide internal speed test servers that remove the Internet variable.
The Business Challenge: No Easy Diagnostic Tools
In enterprise environments, diagnosing local network issues is even harder. Unlike ISPs who have monitoring tools, small and medium-sized businesses often lack affordable network monitoring solutions. There are some tools out there, but they often come with enterprise-grade price tags. 💰💼
Why Businesses Struggle
Lack of affordable network diagnostic tools.
IT teams that default to blaming the Internet provider.
No simple way for users to distinguish between a LAN issue and an Internet problem.
Wrapping up | Stop the Blame Game! 🎯🚀
Blaming the Internet is the easiest thing to do when faced with slow speeds, but more often than not, local network issues are the true culprits. By understanding the common causes of slow connectivity and using basic troubleshooting methods, businesses and home users alike can save time and avoid unnecessary finger-pointing.
Before you call your ISP, check your LAN and WiFi—it might just save you a headache! 🧐🔍💡
What Tools Do You Recommend?
Drop your thoughts in the comments! Are there any reliable and cost-effective tools for small businesses to diagnose local network issues? Let’s crowdsource some solutions! 💬👇⚡
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Written by

Ronald Bartels
Ronald Bartels
Driving SD-WAN Adoption in South Africa