Realtek r8156 2.5GbE USB network performance

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Test base:

  • System #1
    Rock960B debian stretcch aarch64, RK3399 @ Performance governor, 1.4GHz x 4 + 1.8GHz x 2
    Kernel customized from ‘stable-4.4.-rk3399-linux-v2.1x’
    Board configured for 4GB DDR3, 32GB eMMC 5.1
  • System #2
    Intel i7-7700 @ 3.6GHz , 32GB DDR4, Windows 10
  • Condition
    Dual r8156 USB3.1 2.5GbE adaptors connected directly.
    Each system configured only for IP address, 10.0.0.1 and 10.0.0.2

Tested result:

in text:

Windows 10 … it’s … 🙁

_ps_

Each loopback bandwidth are, 10Gbps for RK3399, 18Gbps for intel i7-7700.