Using the 'nas-tui' tool
nas-tui tool was developed to provide administrators with lower-level troubleshooting and configuration options compared to the NAS dashboard. The tool can be accessed either via SSH or by directly connecting to the NAS with a screen and keyboard.
The tool I therefore very useful in the event that network connectivity is lost with the NAS, or you need to make network changes.
Launching the tool
Login via SSH or the console
Run the command: