The Cisco® VPN 3020 Concentrator is a VPN platform designed for medium-sized to large organizations that require bandwidth from full T1/E1 through T3/E3 (50 Mbps maximum performance). The Cisco VPN 3020 Concentrator offers support for up to 750 simultaneous IP Security (IPSec) sessions or 200 simultaneous clientless sessions. Specialized Scalable Encryption Processing (SEP) modules perform hardware-based acceleration. The Cisco VPN 3020 Concentrator cannot be upgraded to other products in the Cisco VPN 3000 Series. Both redundant and nonredundant configurations are available.