Cisco CRS-1 - Carrier Routing System Router Migration Guide

CHAPTER
1-1
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
OL-13669-03
1
Migrating to a Cisco CRS-3 Carrier Routing
System
This chapter describes how to migrate a single-chassis Cisco CRS-1 Carrier Routing System to a
single-chassis Cisco
CRS-3 Carrier Routing System.
Note For an introduction to the single-chassis Cisco CRS-3 Carrier Routing System, see Cisco CRS Carrier
Routing System 16-Slot Line Card Chassis System Description. For information on planning a
single-chassis Cisco
CRS-3 Carrier Routing System system installation, see Cisco CRS Carrier Routing
System 16-Slot Line Card Chassis Site Planning Guide.
Feature History for the Cisco CRS-3 Carrier Routing System
Contents
This chapter contains the following sections:
• CRS-1 to CRS-3 Software Migration Compatibility Matrix, page 1-2
• Prerequisites for Upgrading IOS-XR Software Prior to Migrating to a Cisco CRS-3 Carrier Routing
System, page 1-3
• Cisco IOS-XR Flash Disk Requirements for Migration to CRS-3, page 1-5
• File System Upgrade Procedure for 2GB Flash Disks, page 1-7
• IOS-XR Software Upgrade Procedure, page 1-9
• Upgrading to Cisco IOS XR Software Release 4.0.X(PX) Before Migrating to Cisco CRS-3
Hardware, page 1-14
Release Modification
Release 4.0.0.T The single-chassis Cisco CRS-3 Carrier Routing System was introduced.
Release 4.0.1 The single-chassis Cisco CRS-3 Carrier Routing System adds support for
100GE interfaces.
Release 4.0.2 Multishelf Cisco CRS-3 Carrier Routing System operation is supported and
multishelf Cisco
CRS-1 Carrier Routing System to multishelf Cisco CRS-3
Carrier Routing System migration is supported.

Cisco CRS-1 - Carrier Routing System Router Specifications

General

Brand	Cisco
Model	CRS-1 - Carrier Routing System Router
Category	Network Router
Language	English