# Backup / Restoration

## 1. Summary

This page is for the backup and restoration of the configuration of the entire device.

If the device fails, you can restore the backup file to a newly prepared device to restore the settings.

The backup file contains the following information.

- Startup-config and its associated information

- Setting values for the startup-config select command

- Setting values for the boot prioritize sd command

- Setting values for the boot auto-apply command

Do not perform any operation (such as the write command or the erase startup-config command) related to the CONFIG while performing the backup or restoration on this page.

In a stack configuration, you need to back up and restore for each switch.

## 2. Top page

This is the top page for the backup/restoration.

### 2.1. Backup

- Press the "Next" button to display the page for backing up the system.

### 2.2. Restoration

- Press the "Next" button to display the page for restoring the system.

## 3. Backup page

This page is for downloading the configuration of the entire device as a backup file.

If the stack function is disabled, the execution screen is displayed. Press the "OK" button to download the backup file for the device that you are currently accessing.

If the stack function is enabled, the input screen is displayed. Select the device to back up, and press the "Confirm" button. Then press the "OK" button on the execution screen to download the selected device’s backup file.

The following is an explanation of the screen when the stack function is enabled.

### 3.1. Backup

- Stack ID of the device to back up

  - Select the stack ID of the device to back up.

  - The model name and the serial number of the selected device are displayed.

## 4. Restoration page

This page is for restoring the backup configuration of the entire device to this device.

When you have inputted the settings, press the “Confirm” button. If there are no mistakes in the input content confirmation screen, press the “OK” button.

When the restoration is complete, the device automatically restarts.

### 4.1. Restoration

- Backup file

  - Select the backup file to restore.

## 5. Restoration procedure in a stack configuration

When the stack function is enabled, the configuration for the entire device cannot restore from this page.

If some of the devices that make up the stack fail and need to replace them, follow the procedure below to restore them.

1. Update the firmware of the newly prepared device to the same version as the device to be replaced.

2. After updating the firmware, access this page and restore the configuration you have backed up before for the entire device.

3. After the restoration and restart are complete, turn off the power. Then connect the device to the main switch in operation, and turn on the power.

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