Backup WD EX4100 to a Synology Not Local

Legacy Products WD Backup
1

Hello guys,
How can I make a backup of my EX4100 to a Synology NAS which is not on the local network? I have installed the My cloud 5 firmware.

2

Hi,

Remote Backup feature backs-up selected data on a My Cloud device to another My Cloud device located on another network.

https://support-en.wd.com/app/answers/detail/a_id/29503