The ethtool utility for Linux is very good at getting information about your Ethernet adapter. Below is the standard information that is available concerning the basic abilities of the Ethernet adapter. localhost% ethtool enp0s25 Settings for enp0s25: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supported pause frame use: No …