Connecting... transition : NONE Opening TCP connection to address : 127.0.0.1 Port : 54999 Opening IP address : 10.200.7.250 Port : 55000 Socket size now: 425984 Still small, maybe try : sudo sysctl -w net.core.rmem_max=33554432 state : CONNECTED transition : NONE First event 1611672352.670585204 Firmware format version 0.6 ... For a compiled format version of 0.6 ... OK! command = enter command (transition CONNECT, transition DISCONNECT, transition QUIT): transition QUIT command = transition QUIT close keyboard input transition : QUIT disconnecting... state : DISCONNECTED leaving CDTS server state : QUIT transition : NONE