Plex Documentation → Accessing a Server through Relay
The stream is tunneled through a system at Plex. It is limited to 2 Mbps (1 Mbps w/o a Plex Pass).
These documents can help get remote access working:
The Basics of Remote Access Troubleshooting
If using manual port forwarding, post a screenshot of the forwarding statement in your router. Do not mask the IP address of your Plex server (192.168.x.x) or the port numbers.
