Chapter 25 Modifying The Switch Boot Configuration; Understanding How The Switch Boot Configuration Works - Cisco WS-C6506 Software Manual

Modifying the Switch Boot Configuration
This chapter describes how to modify the switch boot configuration on the Catalyst 6500 series switches,
including the BOOT environment variable, the CONFIG_FILE environment variable, and the
configuration register.
For complete syntax and usage information for the commands that are used in this chapter, refer to the
Note
Catalyst 6500 Series Switch Command Reference publication.
This chapter consists of these sections:
•
•
•
•
•
•

Understanding How the Switch Boot Configuration Works

These sections describe how the boot configuration works:
•
•
•
•
•
OL-8978-04
Understanding How the Switch Boot Configuration Works, page 25-1
Default Switch Boot Configuration, page 25-5
Setting the Configuration Register, page 25-5
Setting the BOOT Environment Variable, page 25-10
Setting the CONFIG_FILE Environment Variable, page 25-11
Displaying the Switch Boot Configuration, page 25-12
Understanding the Boot Process, page 25-2
Understanding the ROM Monitor, page 25-2
Understanding the Configuration Register, page 25-2
Understanding the BOOT Environment Variable, page 25-3
Understanding the CONFIG_FILE Environment Variable, page 25-4
C H A P T E R
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
25
25-1