IBM 12.1(22)EA6 User Manual
3-7
Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide
24R9746
Chapter 3 Assigning the Switch IP Address and Default Gateway
Modifying the Startup Configuration
Default Boot Configuration
shows the default boot configuration.
Specifying the Filename to Read and Write the System Configuration
By default, the Cisco IOS software uses the file config.text to read and write a nonvolatile copy of the
system configuration. However, you can specify a different filename that is loaded during the next boot
cycle.
system configuration. However, you can specify a different filename that is loaded during the next boot
cycle.
Beginning in privileged EXEC mode, follow these steps to specify a different configuration filename:
To return to the default setting, use the no boot config-file global configuration command.
Table 3-2
Default Boot Configuration
Feature
Default Setting
Operating system software image
The switch attempts to automatically boot the system using information in the BOOT
environment variable. If the variable is not set, the switch attempts to load and
execute the first executable image it can by performing a recursive, depth-first search
throughout the flash file system.
environment variable. If the variable is not set, the switch attempts to load and
execute the first executable image it can by performing a recursive, depth-first search
throughout the flash file system.
The software image is stored in a directory that has the same name as the image file
(excluding the .bin extension).
(excluding the .bin extension).
In a depth-first search of a directory, each encountered subdirectory is completely
searched before continuing the search in the original directory.
searched before continuing the search in the original directory.
Configuration file
Configured switches use the config.text file stored on the system board in flash
memory.
memory.
A new switch has no configuration file.
Command
Purpose
Step 1
configure terminal
Enter global configuration mode.
Step 2
boot config-file flash:/file-url
Specify the configuration file to load during the next boot cycle.
For file-url, specify the path (directory) and the configuration
filename.
filename.
Filenames and directory names are case sensitive.
Step 3
end
Return to privileged EXEC mode.
Step 4
show boot
Verify your entries.
The boot config-file global configuration command changes the
setting of the CONFIG_FILE environment variable.
setting of the CONFIG_FILE environment variable.
Step 5
copy running-config startup-config
(Optional) Save your entries in the configuration file.