Router Installation Guide

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Cisco XR 12406 Router Installation Guide
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Chapter 3 Installing the Cisco XR 12406 Router
Manually Booting the System
Manually Booting the System
If your router does not find a valid system configuration image, or if you interrupt
the boot sequence, the system might enter read-only memory (ROM) monitor
mode and display the ROM monitor prompt (
rommon>). From ROM monitor mode,
you have access to a number of commands to locate and boot a valid system
image.