As to why one would set the MTU low, see http://blog.geeky-boy.com/2015/10/windows-corrupting-udp-datagrams.html#why http://blog.geeky-boy.com/2015/10/windows-c

As to why one would set the MTU low, see http://blog.geeky-boy.com/2015/10/windows-corrupting-udp-datagrams.html#why http://blog.geeky-boy.com/2015/10/windows-corrupting-udp-dat... I also made a long-winded answer to your question submitted to the blog, if you're interested.