Lenovo ThinkServer RD540 - Manual (Page 122)

8200 Series Converged Network Adapter and 3200 Series Intelligent Ethernet Adapter Page 104
transmission control protocol/Internet protocol
(TCP/IP)
Basic communication language of the Internet.
worldwide port name (WWPN)
Unique 64-bit address assigned to each port on
a device. One WWNN may contain multiple
WWPN addresses.