It seems to me that what has been largely overlooked in this discussion (with the exception of the brief post by Markalarsen) is the fact that 100% of the energy of an electrical signal, especially one that as in the case of Ethernet contains spectral components at very high RF frequencies, does not necessarily go only where it is supposed to go. Experienced designers of high speed digital circuits (of which I happen to be one) will recognize that.
And given that a number of members here who are highly respected and highly experienced
And I encourage and invite every last one of you to, in your own setup, to evaluate some spec meeting, but very inexpensive, CAT5e/6 to your own esoteric CAT5e/6 cabling.
I’ll provide a client, server, layer 3 managed switch with a LAG setup for dynamic LACP.
Of course you will not be allowed to know which cable is being used.