WHY: The large data that we need to migrate won't work over the Public IP interface with our data caps. Also, it would be slower that way.
DONE: When migrations are done via Private IP rather than Public IP.
HOW:
- Make sure the droplets are in the same network
- Gather both private interfaces.
- Craft custom scp commands using those interfaces
- Make sure keys still work
Lookie here:
http://169.254.169.254/metadata/v1/interfaces/private/0/ipv4/address