I installed Syncthing on a raspberry pi 3B+ debian 10.9 buster. Setup was very easy and smooth. I only have one folder shared with a Windows 10 PC. Both systems are hard wired and on same LAN. Everything was working great then with no changes it stopped working. I tried everything I can think of and everything I an find online to get it working. I noticed that in the raspberry pi browser tab the syncthings logo has a pause image overlayed, and for the windows 10 tab it does not. It seems that the raspberry pi is stuck in pause. I made sure it wasn’t paused in the menu and in the config file.
At this point the only thing that I hadn’t tried was to uninstalled syncthing from both the pi and windows, deleting all files related to syncthing just to start fresh, that includes the config files. Reinstalled and set back up and windows seems to be working fine, but the pi still has the pause icon in the tab. After this I turned to my router unifi (dream machine) even though I didn’t change anything between when it was working and now. I tried turning UPNP on, but that didn’t do anything. I made sure I wasn’t blocking any ports.
Thank you in advance for any help.