62720K bytes of ATA CompactFlash (Read/Write)
Configuration register is 0x2102
Example 6-7 con?¬?g-register Command
RouterA# ccoonnffiigguurree tteerrmmiinnaall
RouterA(config)# ccoonnffiigg--rreeggiisstteerr 00xx22110000
RouterA(config)# eenndd
RouterA#
Managing Cisco Router Startup and Configuration 441
The guidelines for changing the boot ?¬?eld are as follows:
?– The boot ?¬?eld is set to 0 to enter ROMMON mode automatically. This value sets the
boot ?¬?eld bits to 0-0-0-0. In the ROMMON mode, the router displays the ???>??? or
???rommon>??? prompt, depending on the router processor type. From the ROMMON
mode, you can use the boot command to manually boot the router.
?– The boot ?¬?eld is set to 1 to con?¬?gure the system to boot the Cisco IOS subset
automatically from ROM. This value sets the boot ?¬?eld bits to 0-0-0-1. The router
displays the Router(boot)> prompt in this mode.
?– The boot ?¬?eld is set to any value from 0x2 to 0xF to con?¬?gure the system to use the
boot system commands in the startup-con?¬?g ?¬?le in NVRAM. The default is 0x2.
These values set the boot ?¬?eld bits to 0-0-1-0 through 1-1-1-1.
The show version command is used to verify changes in the con?¬?guration register setting.
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