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Speed / Duplex negotiation

Introduction

Speed/Duplex Negotiation detects the speed (for example, 10MBps, 100Mbps) and duplex (half-duplex or full-duplex) settings of the device on the other end of the wire and subsequently adjusts to match those settings. During speed/duplex negotiation the device transmits its own abilities to the peer device so that the peer can use the appropriate settings