On both of my systems the network card speed is showing 1000 cat /sys/class/net/enp4s0/speed 1000
but when I do rsync larage file I only see about: 20 to 22MB/s On my home network I get about 110MB/s between PC's Both PC's have SSD and the swith is Gigabit (I think). How to find a the bottleneck?