Using UDP small packets (512 bytes):
Here’s a well-structured, informative article about — a kernel module package that plays a key role in high-performance Linux networking. kmod-nft-offload
Without offload:
If your router’s SoC (System on Chip) supports it (e.g., Mediatek MT7621 or Marvell Armada), the flowtable entries are pushed directly into the network switch hardware. This allows for Gigabit speeds even on very weak CPUs, as the processor barely touches the packets at all. Key Benefits Using UDP small packets (512 bytes): Here’s a