System Management Configuration Guide, Cisco Catalyst IE3x00 Rugged, IE3400 Heavy Duty, and ESS3300 Series Switches

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System Management Configuration Guide, Cisco Catalyst IE3x00 Rugged, IE3400 Heavy Duty, and ESS3300 Series Switches

Configure auto sync from internal flash to SD card

Updated: June 26, 2026

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Configure auto sync from internal flash to SD card to automatically synchronize files at scheduled times.

Configure the auto sync service to automatically synchronize files from the internal flash to the SD card at scheduled times.

To configure auto sync from internal flash to an SD card, use this procedure.

Procedure

  1. Use configure terminal command to enter global configuration mode.

    Example:

    Switch# configure terminal

  2. Use the auto sync enable command to enable the auto sync service, allowing the system to automatically synchronize files from the internal flash to the SD card.

    Switch(config)# auto sync enable
    Note

    auto sync is disabled by default. Unless you enable it, you cannot use other options for the feature.

  3. Use the auto sync run time hh:mm:ss command to configure the time of day when the auto sync service should run.

    Switch(config)# auto sync run time 02:00:00

  4. (Optional) Use the auto sync config sdflash: restore-bundle command to set up auto sync for restoring configurations and image files using bundle mode.

    Switch(config)# auto sync config sdflash: restore-bundle

  5. (Optional) Use the auto sync config sdflash: skip IOS-image command to configure to exclude IOS image files from auto sync and sync only the configuration files.

    Switch(config)# auto sync config sdflash: skip ios-image

  6. (Optional) Use the auto sync config sdflash: skip config command to skip configuration files and sync only the IOS image.

    Switch(config)# auto sync config sdflash: skip config

  7. (Optional) Use auto sync config sdflash: IOS-image image_name command to sync the specified image file and replace the existing image.

    Switch(config)# auto sync config sdflash: ios-image ie3x00-universalk9.17.10.01.SPA.bin