一, 概念和原理
Autonegotiation,自协商,为连接在线路两端的端口的工作方式,使数据传输在最高效的线路上,包括协商速率和双工等信息.
1.4.158 link pulse: Communication mechanism used in 10BASE-T and 100BASE-T networks to indicate
link status and (in Auto-Negotiation-equipped devices) to communicate information about abilities and
negotiate communication methods. 10BASE-T uses Normal Link Pulses (NLPs), which indicate link status
only. 10BASE-T and 100BASE-T nodes equipped with Auto-Negotiation ......
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