The Cisco 1721 is a modular router optimized for data-access applications, providing businesses with the most complete functionality and flexibility to deliver secure Internet and Intranet access. The router offers a wide array of WAN access options, high-performance routing, Quality of Service, inter-virtual LAN routing, and VPN access with firewall options. Powered by Cisco IOS, the Cisco 1721 offers high reliability and flexibility of interchangeable WAN interface cards, comprehensive security that includes hardware-assisted VPN encryption and a stateful inspection firewall, and business-class DSL with enhanced quality of service to ensure high-performance levels are guaranteed.This 1721 bundle includes WIC-1SHDSL-V2, IP/ADSL, 32MB FL, 64MB DRAM.Combined with the integrated G.shdsl WAN Interface Cards (WIC-1SHDSL-V2), the Cisco 1700series is the perfect solution for a variety of businesses requiring high-speed business-class DSL connectivity on a secure, high-performance modular platform.