How do you handle getting Cat 5E (or I guess Cat 6) from your servers to the core switch? Just straight cable runs in the ceiling/under the floor? Patch panels? Or something else? Basically I want to ...

At work we have a few of the below brackets. They're meant to be installed in server racks to support the back side of top-of-rack switches, which would otherwise sag (the switches' rack ears are ...