The Cisco Catalyst 6500 Series delivers secure, converged services from the wiring closet to the WAN edge. Providing scalable intelligent multilayer switching performance for enterprise and service provider networks, the Cisco Catalyst 6500 Series supports 48 to 576 10/100 Ethernet port configurations, delivering 210 million packets-per-second throughput across network cores and multiple gigabit-per-second trunks. Designed to maximize network uptime and investment protection, the Cisco Catalyst 6500 Series supports an unparalleled range of services, including data and voice integration and LAN, WAN, and, metropolitan-area network (MAN) convergence.The 1.9-Gbps Cisco Catalyst 6503 IPSec VPN System has one open slot for flexible I/O options. Integrating the high-performance IPSec VPN service module with the Cisco Catalyst 6503, the solution enables flexible, high-performance virtual private networking in campus and WAN edge VPN deployment scenarios.