i decide to improve my network and use 10Gb link for my file server i bought this devices
Cisco SFP-H10GB-CU1M (DAC)
install HP card in my pc (fileserver) and connect HP card to switch with DAC and 4 other client to switch with cat5 1Gb cables
but when i copy files from server on clients i got just about 30MB/s on each client but when i copy files from client to server got 110 MB/s per each client!
i do downgrade on switch to ver 2.3 and 2.4 but still has this problem
what i can do to fix this?