Yes, those are what you'd expect to find in the white box systems I mentioned, and most branded off-the-shelf switch products for that matter. But if that's what you need, I'm not sure what the advantage is to building your own hardware instead of buying one of the ready-made options. It seems like you'd need to have quite eccentric requirements before it was worth seriously considering designing and building a whole system of your own instead.
Yes, those are what you'd expect to find in the white box systems I mentioned, and most branded off-the-shelf switch products for that matter. But if that's what you need, I'm not sure what the advantage is to building your own hardware instead of buying one of the ready-made options. It seems like you'd need to have quite eccentric requirements before it was worth seriously considering designing and building a whole system of your own instead.