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Cisco IOS XR Getting Started Guide for the Cisco XR 12000 Series Router
OL-24755-01
Chapter 2 Bringing Up the Cisco IOS XR Software on a Standalone Router
Prerequisites
Software Requirements
The system requires compatible ROM Monitor firmware on all RPs.
Caution The ROM Monitor firmware on all RPs must be compatible with the Cisco IOS XR software release
currently running on the router before a Cisco XR 12000 Series Router system is upgraded to Cisco IOS
XR Software Release 4.1. For minimum ROM Monitor requirements for Cisco IOS XR Software Release
3.2.0 and later releases, see the Software/Firmware Compatibility Matrix at the following URL:
http://www.cisco.com/web/Cisco_IOS_XR_Software/index.html
If the router is brought up with an incompatible version of the ROM Monitor software, the standby RP
may fail to boot. For instructions to overcome a boot block in the standby RP in a single-chassis system,
see Cisco IOS XR ROM Monitor Guide for the Cisco XR 12000 Series Router. If a boot block occurs in
a multishelf system, contact your Cisco Technical Support representative for assistance. See the “Related
Documents” section on page x.
Hardware Prerequisites and Documentation
The Cisco IOS XR software runs on the routers listed in the “Supported Standalone System
Configurations” section on page 1-1. Before a router can be started, the following hardware management
procedures must be completed:
• Site preparation
• Equipment unpacking
• Router installation
For information on how to complete these procedures for your router equipment, see the hardware
documents listed in the “Related Documents” section on page x.
Note If you are upgrading a Cisco 12000 Series Router from Cisco IOS software to Cisco IOS XR software,
you must first prepare the router. For more information, see Upgrading from Cisco IOS to Cisco IOS XR
Software on the Cisco 12000 Series Router. For a complete listing of available documents, see the
“Related Documents” section on page x.
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