Playing movie local consumes internet data, why?

[tom80H]

It’s your post. So I’m not necessarily surprised you have the same issue
Then again… you never got back to look into what’s causing this. If the PMS and your Roku are in the same network/subnet, Plex will not consume 15 GB for local streaming.

If you want to minimize your impact:

[HowTo] Use Plex with No Internet

I’ve seen far too many posts regarding “can’t connect to Plex with no internet”, and an uprising/outcry always ensues. It eventually settles down, but the lack of single point resources can be frustrating. I’ve been there, no internet - can’t google anything from a computer so a phone will have to do, but navigating through results and trying “solutions” can be daunting. I’m creating this How-To to help alleviate those posts and help everyone access their servers when the net is down. Couple of …