Getting Started On The Cisco Crs-1 Router; Contents; Basic System Configurations - Cisco CRS-1 - Carrier Routing System Router Getting Started Manual

Getting Started on the Cisco CRS-1 Router

This chapter provides a basic discussion of the components, capabilities, software, and hardware of the
Cisco CRS-1 router.

Contents

This chapter contains the following sections:
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Basic System Configurations

Three basic configurations of the Cisco CRS-1 router system exist:
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Figure 1-1
Cisco IOS XR software Releases 2 and 3 support single-chassis systems only.
Note
Basic System Configurations, page 1-1
Logical Routers, page 1-3
Hardware Overview: Single-Chassis System, page 1-3
User Interfaces, page 1-9
File Storage, page 1-11
The Cisco CRS-1 16-Slot Line Card Chassis, which is a single-chassis system that supports up to
16 modular services cards (MSCs, which are also called line cards) and provides up to 1.28 terabits
per second (Tbps) of routing total I/O capacity.
The Cisco CRS-1 8-Slot Line Card Chassis, which is a single-chassis system that supports up to 8
MSCs and provides up to 640 gigabits per second (Gbps) of routing total I/O capacity.
The multiple-chassis system, which comprises multiple line-card chassis interconnected by one or
more fabric chassis.
illustrates the difference between single- and multiple-chassis systems.
C H A P T E R
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
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