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CHAPTER
1-1
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
1
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.
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.
Table 1-1 PRE Support on Cisco 10000 Series Routers
Performance Routing Engine Support
Chassis ESR-PRE PRE1 PRE2 PRE3
Cisco 10005 Yes Yes No No
Cisco 10008 Yes Yes Yes Yes