Thanks @Staff! The use of wintun and CHACHA20-POLY1305 makes a significant difference in my situation. @shiro213: I had the buffer size already set at 512 Kb - so that for me could not make a difference. I'm able to achieve ~300 MBit/s down and ~150 MBits/s up. I would recommend wintun + CHAHA20-POLY1305 + 512Kb buffer to be the default in Eddie - such that more people get the best possible performance out of the box. Anyhow, even though this is a significant improvement, it is not yet in t