So I've had a question that I haven't had a real answer to, I'm not even sure if there is an answer other than "That's just how the algorithm does it."
So why does STP only block one end of a line on a switch? So you'll see one port on one end in a BLK(ing) status, and the other one as FWD. Why aren't they both blocked? You can't use that line now, so what's the point?
Is there any real reason why? Have I overlooked something?