Adjusting the send and recv socket buffer size (from 1024 to 64512) will highly increase data transfer performance. If using Magic Router to transfer file, large buffer size is recommended. If running remote control through (VNC) Magic Router, small buffer size is suggested (ie. 8192).
Small Packet, if data between your application client and application server is always less then 100 byte, Small Packet option is suggested. This will avoid traffic congestion.
As Gateway, switch the local computer to become gateway.