Right now, from what I can tell, the only devices that can use this special USB interface as a console port are the ISR G2 routers (1900s, 2900s, 3900s, 5500 Wireless controllers, 3750-X, 3560-X ...

I have what is a fairly simple need, but can't figure out how best to tackle it. I want to develop a (semi-)auto way of determining the used/available port count on my Catalyst 3550s and 3560s. My ...