Prerequisites For Upgrading Ios-Xr Software Prior To Migrating To A Cisco Crs-3 Carrier Routing System - Cisco CRS-1 - Carrier Routing System Router Migration Manual

Chapter 1 Migrating to a Cisco CRS-3 Carrier Routing System
Table 1-1
3.8.3(PPC)
Current Version
3.8.4(PPC)
3.9.0(PPC)
3.9.1(PPC)
3.9.2(PPC)
4.0.0(PPC)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
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
Note
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.
OL-13669-03

Prerequisites for Upgrading IOS-XR Software Prior to Migrating to a Cisco CRS-3 Carrier Routing System

CRS-1 to CRS-3 Software Migration Compatibility Matrix (continued)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
Migration Version
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0.T (PX), 4.0.1(PX), or
4.0.2(PX)
4.0.0(PPC)
3.x.x(PPC)
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
Yes. Migration to FAT32
recommended before
upgrading.
Direct PIE Upgrade/Downgrade
Supported
Yes. Migration to FAT32
recommended before
upgrading.
Yes. Migration to FAT32
recommended before
upgrading.
Yes. Migration to FAT32
recommended before
upgrading.
Yes. Migration to FAT32
recommended before
upgrading.
No (must be done using Turbo
Boot - refer to Appendix A for
more information). Upgrade
package required.
No (downgrades must be done
using Turbo Boot - refer to
Appendix A for more
information).
No (downgrades must be done
using Turbo Boot - refer to
Appendix A for more
information).
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