If everything worked prior to establishing a p2p network between your netbook and Mac, it's safe to assume this is the problem.
Also make sure it's the correct IP you've retrieved
Getting IP Address
- On your Mac, open "System Preferences".
- Click on "Network".
- The IP listed as "IPv4 address" is the address you want to write as "Mac Host Name" in GM: Studio.
And that you've enabled remote login
Enabling Remote Login
- On your Mac, open "System Preferences".
- Click on "Sharing".
- Enable all the list items in the window.











