Appendix; Configuration Register; Configuration Register Settings - Cisco Router 3600 Hardware Installation Manual

Configuration Register

This appendix describes the factory default settings of the configuration register, and procedures for
changing those settings.
This appendix has the following sections:
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Configuration Register Settings

The router has a 16-bit configuration register in NVRAM. You can use the configuration register to
perform the following tasks:
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Table C-1
OL-2056-05
Configuration Register Settings, page C-1
Changing Configuration Register Settings, page C-2
Configuring the Boot Field, page C-4
Enabling Booting from Flash Memory, page C-6
Set and display the configuration register value
Force the router into the ROM monitor (bootstrap program)
Select a boot source and default boot filename
Enable or disable the Break function
Control broadcast addresses
Load operating software from ROM
describes each configuration register bit.
A P P E N D I X
Cisco 3600 Series Routers Hardware Installation Guide
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C-1