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Cisco® Field Manual: Catalyst® Switch Configuration by Steve McQuerry, Dave Hucaby

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1-3. ROM Monitor

  • The ROM monitor is a ROM-based program that is executed on power up or reset of the switch.

  • The ROM monitor interface can be accessed if the user presses Ctrl+Break during the boot process.

  • If the switch fails to load an operating system or if the value of 0 is specified in the BOOT field of the configuration register, the switch enters ROM monitor mode.

  • If the switch encounters a fatal exception from which it cannot recover, it enters ROM monitor mode.

  • Like the COS and Cisco IOS Software interfaces, ROM monitor is a CLI.

  • ROM monitor offers a limited number of commands associated with booting recovery of the switch.

  • ROM monitor offers a limited help facility and basic history functions to aid users.

  • ROM monitor allows for Xmodem asynchronous ...

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