./cdtsServer packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 Opening TCP connection to address : 127.0.0.1 Port : 12345 Opening IP address : 192.168.3.250 Port : 55000 Socket size now: 425984 Still small, maybe try : sudo sysctl -w net.core.rmem_max=33554432 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 0 packetsProcessed = 0 dataSent = 0 bufferFilling = 0 % packetsLost = 0 packetsReceived = 170 packetsProcessed = 0 dataSent = 0 bufferFilling = 17 % packetsLost = 0 packetsReceived = 670 packetsProcessed = 0 dataSent = 0 bufferFilling = 67 % packetsLost = 0 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 1109612 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 4315002 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 7446222 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 10596172 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 13813420 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 17026735 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 20045765 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 23027297 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 25917656 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 28780734 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 31539110 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 34361671 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 37011789 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 39918085 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 43016755 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 45987449 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 48982009 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 51937231 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 54924282 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 57902801 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 60834288 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 63801525 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 66742919 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 69611511 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 72250392 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 75346109 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 78472484 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 81575152 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 84700388 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 88089673 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 91300487 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 94576275 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 97918658 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 101311585 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 104578376 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 107979329 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 111346577 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 114612158 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 117999278 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 121229759 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 124635161 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 127879386 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 131253552 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 134559385 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 137960722 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 141358927 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 144763786 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 148048138 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 151452815 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 154845217 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 158221283 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 161617698 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 165026741 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 168427227 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 171837151 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 175239747 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 178487488 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 181557639 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 184966320 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 188362813 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 191765331 packetsReceived = 999 packetsProcessed = 0 dataSent = 0 bufferFilling = 99 % packetsLost = 195167611