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Page 2 - Command; exit; reload

Appendix B ROM Monitor Entering the ROM Monitor B-2 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Follow these steps to configure the router to boot up in ROM monitor mode thenext time it is rebooted. Timesaver A break (system interrupt) is always enabled for 60 seconds after the ...

Page 3 - ROM Monitor Commands

B-3 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Appendix B ROM Monitor ROM Monitor Commands ROM Monitor Commands Enter ? or help at the ROM monitor prompt to display a list of availablecommands and options, as follows: rommon 1 > ? alias set and display aliases command boot b...

Page 4 - Command Descriptions; reset or i

Appendix B ROM Monitor Command Descriptions B-4 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Command Descriptions Table B-1 describes commonly used ROM monitor commands. Table B-1 Common ROM Monitor Commands Command Description help or ? Displays a summary of all available ROM mo...

Page 5 - Disaster Recovery with TFTP Download; TFTP Download Command Variables

B-5 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Appendix B ROM Monitor Disaster Recovery with TFTP Download Table B-2 describes the ROM monitor boot commands. For more information about the ROM monitor boot commands, refer to the Cisco IOS ConfigurationGuide and Cisco IOS Comman...

Page 6 - Required Variables; Variable

Appendix B ROM Monitor Disaster Recovery with TFTP Download B-6 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Note The commands described in this section are case sensitive and must be enteredexactly as shown in the lists. Required Variables The following variables must be set wit...

Page 7 - Using the TFTP Download Command; Enter the tftpdnld command as follows:

B-7 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Appendix B ROM Monitor Disaster Recovery with TFTP Download Using the TFTP Download Command The steps described in this section should be performed while in ROM monitormode. Step 1 Use the appropriate commands to enter all the requ...

Page 8 - Configuration Register

Appendix B ROM Monitor Configuration Register B-8 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Note The -r variable is optional. Entering this variable downloads and bootsthe new software but does not save the software to Flash. You can thenuse the image that is in Flash the next...

Page 10 - Console Download; Command Description; Argument

Appendix B ROM Monitor Console Download B-10 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Console Download You can use console download, a ROM monitor function, to download over therouter console port either a software image or a configuration file. Afterdownloading, the file is ...

Page 11 - Error Reporting

B-11 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Appendix B ROM Monitor Console Download Error Reporting Because the ROM monitor console download uses the console to perform the datatransfer, error messages are displayed on the console only when the data transferis terminated. I...

Page 12 - Debug Commands; stack or k—Produce a stack trace. For example:

Appendix B ROM Monitor Debug Commands B-12 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Debug Commands Most ROM monitor debugging commands are functional only when Cisco IOSsoftware has crashed or stopped. If you enter a debugging command andCisco IOS crash information is not ava...

Page 13 - frame—Display an individual stack frame.

B-13 Cisco 1700 Series Router Software Configuration Guide 78-5407-03 Appendix B ROM Monitor Debug Commands R28 = 0xffffffff R29 = 0xffffffff R30 = 0xffffffff R31 = 0xffffffff • frame—Display an individual stack frame. • sysret—Display return information from the last booted system image. Thisinform...