Cisco CRS-1 - Carrier Routing System Router Migration Guide

1-3
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
OL-13669-03
Chapter 1 Migrating to a Cisco CRS-3 Carrier Routing System
Prerequisites for Upgrading IOS-XR Software Prior to Migrating to a Cisco CRS-3 Carrier Routing System
Note All IOS-XR Software releases prior to 3.8.0 (IOS XR releases 3.4.2, 3.5.3, or 3.6.2) must be upgraded
to IOS XR software release 3.8.0 or higher prior to being upgraded to IOS XR software release 44.0.0.T
(PX), 4.0.1(PX), or 4.0.2(PX) or be upgraded directly to IOS XR software release 4.0.0.T (PX),
4.0.1(PX), or 4.0.2(PX) using Turbo Boot - refer to Appendix A for more information.
Prerequisites for Upgrading IOS-XR Software Prior to Migrating
to a Cisco
CRS-3 Carrier Routing System
Warning Do NOT insert any CRS-3 hardware before completing the software upgrade to Cisco IOS XR software
Release 4.0.0.T or higher.
3.8.3(PPC) 4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
Yes. Migration to FAT32
recommended before
upgrading.
Current Version Migration Version
Direct PIE Upgrade/Downgrade
Supported
3.8.4(PPC) 4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
Yes. Migration to FAT32
recommended before
upgrading.
3.9.0(PPC) 4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
Yes. Migration to FAT32
recommended before
upgrading.
3.9.1(PPC) 4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
Yes. Migration to FAT32
recommended before
upgrading.
3.9.2(PPC) 4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
Yes. Migration to FAT32
recommended before
upgrading.
4.0.0(PPC) 4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
No (must be done using Turbo
Boot - refer to Appendix A for
more information). Upgrade
package required.
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0(PPC) No (downgrades must be done
using Turbo Boot - refer to
Appendix A for more
information).
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
3.x.x(PPC) No (downgrades must be done
using Turbo Boot - refer to
Appendix A for more
information).
Table 1-1 CRS-1 to CRS-3 Software Migration Compatibility Matrix (continued)

Cisco CRS-1 - Carrier Routing System Router Specifications

General

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