Openwrt Slow Download Fast Upload ((free)) -

Many modern routers include dedicated hardware designed to bypass the main CPU for packet routing, known as . If this is disabled, every packet must be processed by the CPU, which can drastically reduce download performance.

If you have a high-speed fiber connection (e.g., 500Mbps+), try disabling SQM under Network → SQM QoS to see if your download speeds return to normal. 2. Enable Hardware and Software Flow Offloading openwrt slow download fast upload

The most frequent cause of slow downloads on OpenWrt is . While SQM is essential for eliminating bufferbloat and improving latency for gaming or VoIP, it is a CPU-intensive process. Many modern routers include dedicated hardware designed to

If your router's processor is not powerful enough to handle your full line rate while performing SQM, it will cap your download speed. If your router's processor is not powerful enough