LAN Port 1 - 5 (switch1) reset/disconnect whatever I doing File Transfer:
Every dip = LAN disconnected
LAN 1 - 5 (switch 1) reset/disconnect
My PC: Intel(R) I211 Gigabit Network Connection
Server: Intel(R) PRO/1000 PT Dual Port Server Adapter
I guess that what you see other victims of same phenomenon call port flopping (interface reset would take longer to recover). Not sure if there’s a definite fix for it though.