Cisco 1700 Series routers are considered the essential access router for branch offices and small and medium-sized business customers. However, the growing need for network security is causing many customers to reassess their network technology. Fortunately, all Cisco 1700 Series Routers can be supplemented with powerful network security features, creating a completely integrated solution.The Cisco 1700 VPN and Security Upgrade Kit provides the most essential network security features necessary to protect a customer network while delivering high performance. These network security features include: Virtual private networking, Stateful firewall, Intrusion detection systems.This kit includes 32 MB DIMM; VPN Hardware Acceleration Module; Cisco IOS with IP Plus, ADSL, FW, IDS IPSec 3DES.