Using Internxt Drive with WD Ex2 Ultra

My Cloud OS 5 Personal & Network Attached Storage My Cloud Mirror
1

Hi,

I would like to spare 2TB of my drive and give it to Internxt Drive : https://internxt.com/

Could you please tell me the steps how to proceed? Configuration of router? Creating an IP for public access, etc?

Thank you very much.
Best regards,
Diogo