说明：  通过多段时间对IP数据包的捕获，按IP数据包的源地址进行统计，计算出单位时间内IP包的个数，写入日志文件或用图表表示出来IP的流量大小。
(Period of time through multiple IP packets on the capture, according to the source IP address of the packet statistics to calculate per unit time the number of IP packet, write the log file or from the chart that the size of IP traffic.)