The Catalyst 6000 family meets the demands of today's most demanding and fast-growing enterprise and service-provider networks with high-performance gigabit Ethernet switching modules. available in 8- or 16-port versions, the Catalyst 6000 family Gigabit Ethernet switching modules are ideal for deployment in gigabit backbone and server-farm configurations or for aggregation of high-density 10/100-megabits per second (mbps) wiring closets. Up to eight gigabit Ethernet modules can be added to a single nine-slot Catalyst 6000 family, for a maximum of 130 gigabit ports per platform.