The gateway comms between 8.1 and 8.0 is possible, but there might be some compatibility limits which you might run into.
Here is the link to a forum post talking about this exact scenario but with 7.9 and 8.1 connection:
The gateway comms between 8.1 and 8.0 is possible, but there might be some compatibility limits which you might run into.
Here is the link to a forum post talking about this exact scenario but with 7.9 and 8.1 connection: