Fast Ethernet

Fast Ethernet [r]: Formally specified as IEEE 802.3u; first speed improvement over the original Ethernet 10 Mbps speed developed by the IEEE 802.3 project, operating at a nominal 100 Mbps speed; now the default speed of most PC interfaces although Gigabit Ethernet is increasingly common; autonegotiation to 10/100 speed is very widespread ^[e]

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