The Catalyst 6500 Series meet the demands of today's most demanding and fast-growing enterprise and service-provider networks with high-performance gigabit Ethernet switching modules. The Catalyst 6500 Series 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.Supporting advanced crossbar switching fabric architecture, the Catalyst 6500 series scales to provide 256 Gbps of backplane bandwidth. With support for Forwarding Information Base (FIB)-based technology using the proven CEF architecture that also enables distributed forwarding (dCEF), the Catalyst 6500 series can further scale in performance switching up to 100+ Mpps while providing a comprehensive set of intelligent services such as advanced quality of service (QoS), high availability, and advanced security services.