The server has four network ports, NET0, NET1, NET2, and NET3. When any of these ports is connected to the network, VMware ESXi assigns a MAC address to the port.
-> show /System/Networking/Ethernet_NICs/Ethernet_NIC_n
Where n is 0, 1, 2, or 3
If the network adapter shown in the System Configuration screen is associated with network port NET0, then the CLI command show /System/Networking/Ethernet_NICs/Ethernet_NIC_0, will produce the following output, where the mac_addresses field lists the MAC address.
-> /System/Networking/Ethernet_NICs/Ethernet_NIC_0 /System/Networking/Ethernet_NICs/Ethernet_NIC_0 Targets: Properties: health = OK health_details = - location = NET0 (Ethernet NIC 0) manufacturer = INTEL part_number = X540 serial_number = Not Available mac_addresses = 00:21:28:3D:B7:96 Commands: cd show ->
Note - If you are unsure of which network adapter to select, contact your network administrator.