New answers tagged passthrough
When speed changes, all switches function in 'store-and-forward' mode. The reason is that the bit timing of a frame is very strict. The switch must emit 10 billion bits per second; it can't emit 1 bit-time of data + 9 bit-times of idle to make up the slack. The receiving side will consider the idle bit-times as a 'dropped carrier' and drops the whole frame. ...
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