The Cisco 7304 Router Chassis is a midrange, price-performance optimized router with a compact (4-rack-unit [RU]), modular (4-slot) form factor. It delivers high-performance services in IP/MPLS networks and is optimized for the network edge, where the service provider meets the enterprise. Targeted applications include service provider edge and IP edge routing, service provider managed service customer premises equipment (CPE), and enterprise Internet gateway and enterprise WAN aggregation.