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Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
Chapter 4 System Startup and Basic System Configuration
Manually Booting the System
You do not need to configure the network interfaces immediately, but you cannot
connect to a network until you configure the interfaces for operation in your
network environment. For configuration information, see the “Configuring the
Router” section on page 4-14.
Note The interface-specific LEDs on the line cards may not power on until you
configure the line card interfaces. To verify correct operation of each line card
interface, complete the first-time setup procedure and configuration, then check
the status of the interfaces against the descriptions in the documentation for each
line card.
If the system does not complete each of the preceding steps, go to the
“Troubleshooting the Installation” chapter for troubleshooting recommendations
and procedures.
Manually Booting the System
If your router does not find a valid system image, or if you interrupt the boot
sequence, the system enters ROM monitor mode and displays the ROM monitor
prompt (rommon>). From ROM monitor mode, you have access to commands
which locate and boot a valid system image.