Cisco 3725 Software Configuration Guide - Page 181

APPENDIX C Using the ROM Monitor This appendix describes the ROM monitor (also called the bootstrap program), which is the firmware that runs when you power on or restart the Cisco 2600 series, Cisco 3600 series, and Cisco 3700 series router. During normal operation, the ROM monitor helps to initialize the processor hardware and boot the operating system software. You can also use the ROM monitor to help you isolate or rule out hardware problems encountered when installing your router. This appendix contains the following sections: • Entering the ROM Monitor Mode, page C-1 • ROM Monitor Commands, page C-2 • ROM Monitor Syntax Conventions, page C-3 • Command Descriptions, page C-3 • Procedures for Recovering Boot and System Images, page C-8 Entering the ROM Monitor Mode To use the ROM monitor, you must have access to the console port. See the Cisco 2600 Series Cabling and Setup Quick Start Guide for information on connecting the console cable. To enter ROM monitor mode, do the following: Configure Command or Action Purpose Step 1 2600> reload Restarts the router. Step 2 Press the Break key during the first 60 seconds while Forces the router to stop booting the system is starting up and enter the ROM monitor mode. Verify To verify that you are in the ROM monitor mode, check that the prompt displayed on your screen is the ROM monitor mode prompt: rommon # > The # is the line number and increases incrementally at each prompt. OL-1957-04 Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers C-1