The cisco catalyst 4948e ethernet switch is built from the start to deliver class leading full featured server access switching the switch offers forty eight 101001000 gbps rj45 downlink ports and four 110 gigabit ethernet uplink ports and is designed to simplify data center architecture and operations by offering service provider grade hardware and software in a one rack unit 1ru form factor optimized for full featured top of rack tor data center deploymentsthe cisco catalyst 4948e w