Chapter 7

Cisco CRS-1, 12000, 7600, and ASR1000 Router Architecture

7.1 Overview

This chapter focuses on the architecture of the Carrier Routing System (CRS), 12000, 7600, and Aggregation Services Router ASR1000 series router platforms. These platforms represent the best of core, Ethernet, and edge routers available to service providers building a high-performance, highly available network infrastructure.

The chapter presents an overview of the chassis, line card options, architecture, switch fabric, and QoS implementation.

7.2 Cisco Carrier Routing System Series Routers

The Carrier Routing System (CRS) is Cisco’s next-generation core router family. The CRS platform is a carrier-grade, fully distributed, modular architecture that can be a standalone ...

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