Connection issues after moving one computer off LAN

I have 3 computers on Syncthing. When I initially set up all 3 computers, they were all on the same LAN. At the time, they were all able to communicate with each other.

I have now moved one of the computers to another location:

  • Computer 1 is at location A
  • Computer 2 is at location A
  • Computer 3 is at location B

Computer 1 is still able to see Computers 2 and 3. Computers 2 and 3 cannot see each other (“Disconnected”).

I’m perplexed. Any common setup issues that might cause this? I don’t understand why one Location A computer can see the Location B computer, but the other A computer cannot.

All 3 computers are running v1.18.5. Computers 1 and 3 are running macOS 12 Monterrey, Computer 2 is running macOS 10.15 Catalina.


Try changing sync protocol listen address on one of the devices, perhaps both of them listening 22000 causes issues with UPnP.

Hey Audrius, thanks for the reply. I didn’t make any changes and it seemed to resolve itself after 24(ish) hours. All good! Appreciate your time :slight_smile:

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