VTech VNT832 - Update: Backup;restore settings:

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Congure your router
Maintenance
Update: Backup/restore settings:
Click Backup/Restore in the left pane. The Backup/Restore
Settings page opens. On this page, you can save the current
conguration settings to a le or restore the settings from a
conguration le.
To back up the router’s current settings:
1. Click the Save... button.
2. Click Save to save the le as the appointed le.