You actually require both wiring standards to create a cross-over cable.
The tricky bit I've found (and I also used a Fluke tester on all cables I manually terminated) is that when terminating cat-6 cables, the inner two pairs had to be separated and terminated perfectly symmetrically. With cat-5, or 5e, you seem to be able to get away with some sloppiness, but with cat-6 you need to think like a seamstress. Those wires need to be exactly in place, and exactly the right length.
I used to find cable termination quite a zen-like experience. I'd do a hundred cable terminations, then fifty cable tests, and very rarely get to smile at a perfect result.
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You actually require both wiring standards to create a cross-over cable.
The tricky bit I've found (and I also used a Fluke tester on all cables I manually terminated) is that when terminating cat-6 cables, the inner two pairs had to be separated and terminated perfectly symmetrically. With cat-5, or 5e, you seem to be able to get away with some sloppiness, but with cat-6 you need to think like a seamstress. Those wires need to be exactly in place, and exactly the right length.
I used to find cable termination quite a zen-like experience. I'd do a hundred cable terminations, then fifty cable tests, and very rarely get to smile at a perfect result.