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Additional Configuration and Maintenance Tasks
–Boot image stored within the operating environment, which you access by using an appropriate form of the boot command entered at the ROM monitor prompt (rommon>)
•Define a default boot filename.
•Enable or disable the Break function.
•Control broadcast addresses.
•Set the console terminal baud rate.
•Recover a lost password.
•Force an automatic boot using a boot image.
When you first power on the router, a boot image called the RP ROM monitor is executed, resulting in the display of the ROM monitor prompt (Rommon>). At this prompt, you have access to a limited set of commands that enable you to set values in the software configuration register and to perform a number of other tasks.
The RP ROM monitor is loaded into the RP Flash ROM when the RP is manufactured. You can use it to boot the system from local Flash memory devices. The RP ROM monitor software can be upgraded in the field, if necessary.
Note All
If you attempt to upgrade the ROM monitor software while running a release prior to 12.0(30)S, you will receive the following error message:
Unknown device (mfg id 0x01, dev id 0xA3
Error: Unknown Flash Device type!
GRP ROM monitor upgrade won't continue
If you are running a
•Read boot system commands from the configuration file stored in NVRAM.
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