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Cisco switch configure without Flash File


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This document is to address that a corrupt flash or no flash file on an IOS system.

In boot-up you will see the following error.


Base ethernet MAC Address: 00:14:6a:62:73:80

no such file

flashfs: 0 orphaned files, 0 orphaned directories

flashfs: Total bytes: 15998976

flashfs: Bytes used: 3072

flashfs: Bytes available: 15995904

flashfs: flashfs fsck took 8 seconds.

...done Initializing Flash.

Boot Sector Filesystem (bs) installed, fsid: 3


Loading "flash:c3750-ipservices-mz.122-25.SEB1/c3750-ipservices-mz.122-25.SEB1.b


no such file or directory

Error loading "flash:c3750-ipservices-mz.122-25.SEB1/c3750-ipservices-mz.122-25.


Interrupt within 5 seconds to abort boot process.

Boot process failed...

The system is unable to boot automatically. The BOOT environment variable needs to be set to a bootable image.

In hyper terminal at the switch: prompt, please follow below.

Switch: type the information listed.

Switch: copy xmodem: flash:filename.bin (Example: switch: copy xmodem: flash: c3750-ipbase-mz.122-25.SEC.bin)

Go to Hyperterminal – Transfer – Send File.

Browse to your flash file.

Protocol is Xmodem.

Hit the enter button,

This will take a long time to transfer the file. Over 2 hours.

Cisco documentation

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