The Cisco VPN 3000 Concentrator Series is a best-of-breed, remote-access VPN solution for enterprise-class deployment. A standards-based, easy-to-use VPN client and scalable VPN tunnel termination devices are included as well as a management system that enables corporations to easily install, configure and monitor their remote access VPNs. Incorporating the most-advanced, high-availability capabilities with a unique purpose-built, remote-access architecture, the Cisco VPN 3000 Concentrator allows corporations to build high-performance, scalable, and robust VPN infrastructures to support their mission-critical, remote-access applications. Unique to the industry, it is the only scalable platform to offer components that are field-swappable and can be upgraded by the customer. These components, called Scalable Encryption Processing (SEP) modules, enable users to easily add capacity and throughput. The Cisco VPN 3000 Concentrator supports the widest range of VPN client software implementations, including the Cisco VPN 3000 Client, the Microsoft Windows 2000 L2TP/IPsec Client and the Microsoft PPTP for Windows 95, Windows 98, Windows NT, and Windows 2000.The 3080 is optimized to support large enterprise organizations that demand the highest level of performance combined with support for up to 10, 000 simultaneous remote access sessions. Specialized SEP modules perform hardware-based acceleration. The VPN 3080 is available in a fully redundant configuration only.The company offers this Cisco VPN 3015 to 3080 (Redundant) Upgrade Kit.