A P P E N D I X A
Configuration Register Information
The following information is found in this appendix:
•Configuration Bit Meanings, page
•Displaying the Configuration Register While Running Cisco IOS, page
•Displaying the Configuration Register While Running ROM Monitor, page
•Setting the Configuration Register While Running Cisco IOS, page
•Setting the Configuration Register While Running ROM Monitor, page
Configuration Bit Meanings
Use the processor configuration register information contained in this appendix to do the following:
•Set and display the configuration register value
•Force the system into the bootstrap program
•Select a boot source and default boot filename
•Enable or disable the Break function
•Control broadcast addresses
•Set the console terminal baud rate
•Load operating software from ROM
•Enable booting from a Trivial File Transfer Protocol (TFTP) server
Table
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| Table | Configuration Register Bit Settings | ||||
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| Bit No. | Hex | Meaning | |||
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| Boot field | |||||
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06 | 0x0040 | Causes the system software to ignore nonvolatile | |||||
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07 | 0x0080 | OEM (original equipment manufacturer) bit enabled | |||||
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08 | 0x0100 | Break disabled | |||||
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10 | 0x0400 | IP broadcast with all zeros | |||||
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| Cisco 7500 Series Installation and Configuration Guide |
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