Hello, I have a switch SG200-26 26 port, it work, have firmware 1.4.7.6. some port work normally - is UP, bat for example port 12,24,11,23 if is connected server NAS QNAP 412 P || status port is Down , no UP, I haven't connection, if I connect other port is connection, Device is after restart to factory setting. Please help me, thanks
