Sometimes the router isn’t the problem. Modems/ONTs can cause resets, drops, and jitter spikes. Use this checklist to verify the physical and link layer.
Rubberbanding isn’t one problem. It can be packet loss, jitter spikes, or server desync. Use this fast diagnostic to stop guessing and fix the right layer.
Bufferbloat is why your game feels heavy when someone uploads or streams. Learn the practical order: measure under load, manage queues, then upgrade hardware.
If your game lags when someone uploads or streams, that is usually bufferbloat. Learn what it is and the practical fix order without chasing raw speed.