<:: TFTPClient ::> put temp.txt Error packet as received from the server. ERROR CODE : 4 ERROR MESSAGE : Invalid Opcode 2 Error packet as received from the server. ERROR CODE : 4 ERROR MESSAGE : Invalid Opcode 2 No reply from the server to the request packet. Please try again. <:: TFTPClient ::> get temp.txt Error packet as received from the server. ERROR CODE : 4 ERROR MESSAGE : Invalid Opcode 1 Error packet as received from the server. ERROR CODE : 4 ERROR MESSAGE : Invalid Opcode 1 No reply from the server to the request packet. Please try again. <:: TFTPClient ::>