Realtek pcie fe family controller means: Ruiyu bus and interface standard fast Ethernet network card driver, commonly known as: Ruiyu network card driver.
The meaning of each word is:
Taiwan Province semiconductor company Realtek Ruiyu;
PCIE bus and fast interface;
FE series controller refers to the driver of FE series, where FE refers to fast Ethernet, which is a new type of local area network. The "fast" in its name means that the data rate can reach 100Mbps, which is ten times that of standard Ethernet.
User MAC address ... globally unique identifier (GUID) ....
DHCP (Dynamic Host Configuration Protocol).