Switch Memory and Configuration

Using Primary and Secondary Flash Image Options

The prompt shows which flash location will be erased.

Figure 6-11. Example of Erase Flash Prompt3.Type y at the prompt to complete the flash erase.4.Use show flash to verify erasure of the selected software flash image

The “0” here shows that primary flash has been erased.

Figure 6-12. Example of Show Flash Listing After Erasing Primary Flash

In redundant management systems, this command will erase the selected flash in both the active and the standby management modules. If redundancy has been disabled or the standby module has failed selftest, this command only affects the active management module.

Rebooting the SwitchOperating Notes about Booting

Default Boot Source. The switch reboots from primary flash by default unless you specify the secondary flash by entering either the boot system flash [primary secondary] or boot set-default flash [primary secondary] command. Both the boot command and the reload command will reboot based on how these options have been selected.

Boot Attempts from an Empty Flash Location. In this case, the switch aborts the attempt and displays

Image does not existOperation aborted.Interaction of Primary and Secondary Flash Images with the Current

Configuration. The switch has one startup-config file (page 6-3), which it always uses for reboots, regardless of whether the reboot is from primary or secondary flash. Also, for rebooting purposes, it is not necessary for the software image and the startup-config file to support identical software fea­

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