The Cisco 7100 Series VPN Routers are full-featured, high-end, integrated VPN solutions melding high-speed, industry leading routing with a comprehensive suite of VPN services. The Cisco 7100 Series VPN Routers integrate key features of VPNs - tunneling, data encryption, security, firewall, advanced bandwidth management, and service level validation - to provide secure, scalable VPN platforms to better and more cost-effectively accommodate remote-access, remote-office, and extranet connectivity using public data services. The Cisco 7100 Series VPN Router offers specific hardware configurations optimized for VPN environments or service provider WAN/VPN customer premise equipment (CPE) applications. Embedded WAN and Fast Ethernet interfaces combined with high-performance routing and rich VPN services provide turnkey VPN routing solutions. For service providers, the deployment flexibility of the Cisco 7100 enables standardization on a single platform for both traditional WAN and fast emerging VPN CPE applications.The Cisco 7100 Series encompasses two VPN routers, the Cisco 7120 and the Cisco 7140. The Cisco 7120 is the entry-level Cisco 7100 Series VPN Router integrating high-performance, industry leading routing with scalable VPN security and bandwidth management to provide cost-effective, comprehensive VPN solutions for larger branch offices and headquarters. The Cisco 7120 comes in six different models defined by WAN interface.