Unverified50% confidenceFactExact time
当网线出现断芯、阻抗异常或接口氧化时，链路误码率升高，协商机制会自动将速率降级至100Mbps甚至10Mbps以维持连接稳定
1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
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