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Appendix B ROM Monitor
Entering the ROM Monitor
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Follow these steps to configure the router to boot up in ROM monitor mode the next time it is rebooted.
Command | Router Prompt | Task |
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enable | Router> | If there is an enable password configured, enter |
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| the enable command and the enable password to |
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| enter privileged EXEC mode. |
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configure terminal | Router# | Enter global configuration mode. |
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Router(config)# | Reset the configuration register. | |
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exit | Router(config)# | Exit global configuration mode. |
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reload | Router# | Reboot the router with the new configuration |
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| register value. The router remains in ROM |
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| monitor and does not boot the Cisco IOS |
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| software. |
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| As long as the configuration value is 0x0, you |
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| must manually boot the operating system from |
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| the console. See the boot command in the |
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| “Command Descriptions” section on page |
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| rommon 1> | After the router reboots, it is in ROM monitor |
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| mode. The number in the prompt increments |
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| with each new line. |
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Timesaver A break (system interrupt) is always enabled for 60 seconds after the router reboots, regardless of its setting (on or off) in the configuration register. During this
| Cisco 1700 Series Router Software Configuration Guide |