The Supervisor Engines for the Catalyst 6000 Family switches deliver the latest advanced switching technology with proven Cisco software to power a new generation of scalable, intelligent multilayer switching solutions for both Enterprise and Service Provider environments. Designed to address the increased requirements for gigabit density, scalability, high availability, and multilayer switching in backbone/distribution and server-aggregation environments, the Catalyst 6000 Family complements the Catalyst 4000 and 5000 Families and 8500 Series switches, which continue to provide premier wiring closet and network-core solutions, respectively. The Catalyst 6000 Family also fits extremely well in centralized server farms, providing intelligent server switching, load balancing and Web scalability.