在服务器上，自己ping自己，也会有延时特别长的，这是为什么？

Question

服务器的IP是192.168.1.1,自己ping自己 是下面的结果，怎么会有300多毫秒的延时了？

64 bytes from 192.168.1.1: icmp_seq=314 ttl=64 time=0.019 ms
64 bytes from 192.168.1.1: icmp_seq=315 ttl=64 time=19.4 ms
64 bytes from 192.168.1.1: icmp_seq=316 ttl=64 time=0.022 ms
64 bytes from 192.168.1.1: icmp_seq=317 ttl=64 time=0.021 ms
64 bytes from 192.168.1.1: icmp_seq=318 ttl=64 time=0.024 ms
64 bytes from 192.168.1.1: icmp_seq=319 ttl=64 time=0.035 ms
64 bytes from 192.168.1.1: icmp_seq=320 ttl=64 time=0.026 ms
64 bytes from 192.168.1.1: icmp_seq=321 ttl=64 time=0.021 ms
64 bytes from 192.168.1.1: icmp_seq=322 ttl=64 time=0.028 ms
64 bytes from 192.168.1.1: icmp_seq=323 ttl=64 time=0.038 ms
64 bytes from 192.168.1.1: icmp_seq=324 ttl=64 time=361 ms
64 bytes from 192.168.1.1: icmp_seq=325 ttl=64 time=0.024 ms
64 bytes from 192.168.1.1: icmp_seq=326 ttl=64 time=0.022 ms
64 bytes from 192.168.1.1: icmp_seq=327 ttl=64 time=0.019 ms

Answer 1

最好使用wireshark抓包（windows、类UNIX：tcpdump）看看, 分析下抓包中的分组报文数据，看看ICMP中报文内容的值。延时较久，影响的因素

比较多，得具体抓包分析。推荐楼主阅读《TCP/IP详解》系列书籍。