Cisco 10000-2P2-2DC Software Guide - Page 35

1 C H A P T E R Broadband Aggregation and Leased-Line Overview The Cisco 10000 series router is a highly scalable and reliable IP edge platform, providing nonstop performance for service providers deploying IP services. With the rapid growth in broadband customers, the Cisco 10000 series router accommodates the service provider's need for an expanding set of broadband aggregation features. This chapter provides an overview of the broadband aggregation features available on the Cisco 10000 series router and includes the following topics: • Hardware Requirements, page 1-1 • Broadband Architecture Models, page 1-2 • Leased-Line Architecture Models, page 1-10 • Load Balancing Architecture Models, page 1-13 • New Features, Enhancements, and Changes, page 1-15 Hardware Requirements The performance routing engine (PRE) performs all Layer 2 and Layer 3 packet manipulation related to routing and forwarding operations. Table 1-1 shows PRE support on Cisco 10000 series routers. Table 1-1 PRE Support on Cisco 10000 Series Routers Performance Routing Engine Support Chassis ESR-PRE Cisco 10005 Yes Cisco 10008 Yes PRE1 Yes Yes PRE2 No Yes PRE3 No Yes Checking Hardware and Software Compatibility The PRE installed in the Cisco 10000 series router chassis must support the Cisco IOS software running on the router. Use the show version command to check the PRE version installed. OL-2226-23 Cisco 10000 Series Router Software Configuration Guide 1-1