Switch Memory and Configuration
Multiple Configuration Files
Changing the Reboot Configuration Policy. For a given reboot, the
switch automatically reboots from the startup-config file assigned to the flash
location (primary or secondary) being used for the current reboot. The switch
copies the existing startup-config file (named oldConfig) into memory slot 2,
renames this file to workingConfig, and assigns workingConfig as:
■ The active configuration file
■ The configuration file to use when booting from either primary or second-
ary flash.
In this case, the switch is configured to automatically use the workingConfig
file in memory slot 2 for all reboots. (Refer to figure 6-19 on page page 6-27.)
You can use the following command to change the current policy so that the
switch automatically boots using a different startup-config file.
Syntax: startup-default [ primary | secondary ] config < filename >
Specifies a boot configuration policy option:
[ primary | secondary ] config < filename >: Designates the
startup-config file to use in a reboot with the software
version stored in a specific flash location. Use this option
to change the reboot policy for either primary or
secondary flash, or both.
config < filename >: Designates the startup-config file to use
for all reboots, regardless of the flash version used. Use
this option when you want to automatically use the same
startup-config file for all reboots, regardless of the flash
source used.
Note: To override the current reboot configuration policy for
a single reboot instance, use the boot system flash command
with the options described under “Overriding the Default
Reboot Configuration Policy” on page 6-29.
For example, suppose:
■ Software release R.11.01 is stored in primary flash and a later software
release is stored in secondary flash.
■ The system operator is using memory slot 1 for a reliable, minimal
configuration (named minconfig) for the software version in the primary
flash, and slot 2 for a modified startup-config file (named newconfig) that
includes untested changes for improved network operation with the
software version in secondary flash.
The operator wants to ensure that in case of a need to reboot by pressing the
Reset button, or if a power failure occurs, the switch will automatically reboot
with the minimal startup-config file in memory slot 1. Since a reboot due to
6-28
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