When an ISP Says Everything Is Fine: What Deep Network Testing Revealed
A client could not maintain a reliable Remote Desktop connection while working from home, even though short tests from the internet provider appeared normal. We bypassed the client's router and Wi-Fi, connected a separate technician laptop directly to the ISP modem, and ran continuous latency and throughput testing.
The extended tests revealed severe latency, unstable performance, and interruptions that a brief speed test could easily miss. This field report explains the testing process, shows the recorded results, and demonstrates why an internet connection can appear online while still being unusable for real work.
Read the Network Diagnostic