I've got a stacked pair of Catalyst 3850s that I'm trying to get into the ROM pre-boot. Holding the button on the front doesn't work at all. No combination of conf t>config-register seems to work.

Most campuses simply put up a lot of wireless hubs and hope for the best. The Cisco Systems Catalyst 3850-48F-S is a 48-port switch that adds a wireless controller in a network switch, unified under a ...