Use to specify the local area network protocol used on this link.
Ethernet
Standard Ethernet protocol only.
IEEE 802.3
IEEE 802.3 protocol only.
Ethernet or IEEE 802.3
Both standard Ethernet and IEEE 802.3 protocols.
Note: When Ethernet or IEEE 802.3 is specified, ARP packets for both protocols are generated. All devices must be able to process or discard these packets.
IBM Token Ring
Specifies that the link is to an IBM Token Ring.
FDDI
Specifies that the link is to an FDDI network.