mirror of
https://github.com/GNS3/gns3-server.git
synced 2026-08-30 14:00:12 +03:00
When the configured marker_listen_port (default 3070) is already in use, fall back to an OS-assigned port instead of crashing the server. If even port 0 fails, log the error and continue without marker signals — traffic insight degrades rather than taking down startup.