The Internet is rapidly becoming an electronic agent for commerce, entertainment, communication, and information retrieval. New network-enabled intranet applications and powerful desktop computers are driving an exponential increase in network traffic. Service Providers and Enterprises are rapidly deploying packet switching infrastructures to handle this tremendous growth in data traffic.The Cisco 12000 series is Cisco's premier routing product family designed and developed for the core of service provider and enterprise IP backbones. The Cisco 12000 series includes three 2.5G/slot models and two 10G/slot models. The 2.5G/slot models consist of the Cisco 12008, 12012 and the 12016 (supports line cards with various speeds up to OC-48c/STM-16c). The 10G/slot models consist of the Cisco 12410 and the 12416 (supports line cards with various speeds up to OC-192c/STM-64c).