为什么突然ping不通？

mr_wn

一个ping监控程序的log如下：\r\n----222.111.222.126 PING Statistics----\r\n10 packets transmitted, 10 packets received, 0% packet loss\r\nround-trip (ms)  min/avg/max = 45/1057/2854\r\nSat Sep  3 04:44:04 HKT 2007\r\nPING 222.111.222.126: 56 data bytes\r\n64 bytes from gateway (222.111.222.126): icmp_seq=0. time=690. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=1. time=6. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=6. time=3579. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=8. time=1580. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=9. time=582. ms\r\n\r\n----222.111.222.126 PING Statistics----\r\n10 packets transmitted, 5 packets received, 50% packet loss\r\nround-trip (ms)  min/avg/max = 6/1287/3579\r\nSat Sep  3 04:44:25 HKT 2007\r\nPING 222.111.222.126: 56 data bytes\r\n64 bytes from gateway (222.111.222.126): icmp_seq=8. time=4263. ms\r\n\r\n----222.111.222.126 PING Statistics----\r\n10 packets transmitted, 1 packets received, 90% packet loss\r\nround-trip (ms)  min/avg/max = 4263/4263/4263\r\nSat Sep  3 04:44:54 HKT 2007\r\nPING 222.111.222.126: 56 data bytes\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\n\r\n----222.111.222.126 PING Statistics----\r\n10 packets transmitted, 0 packets received, 100% packet loss\r\nSat Sep  3 04:45:23 HKT 2007\r\nPING 222.111.222.126: 56 data bytes\r\n64 bytes from gateway (222.111.222.126): icmp_seq=0. time=1. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=1. time=47. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=2. time=1. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=3. time=55. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=4. time=1. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=5. time=23. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=6. time=1. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=7. time=734. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=8. time=95. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=9. time=680. ms\r\n\r\n----222.111.222.126 PING Statistics----\r\n10 packets transmitted, 10 packets received, 0% packet loss\r\nround-trip (ms)  min/avg/max = 1/163/734\r\nSat Sep  3 04:45:42 HKT 2007\r\nPING 222.111.222.126: 56 data bytes\r\n64 bytes from gateway (222.111.222.126): icmp_seq=0. time=35. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=1. time=12. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=2. time=14. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=3. time=2. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=4. time=13. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=5. time=10. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=6. time=608. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=7. time=19. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=8. time=181. ms\r\n64 bytes from gateway (222.111.222.126): icmp_seq=9. time=16. ms\r\n\r\n－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－\r\n前面延时很大，然后突然ping不通，信息为\r\n\r\nPING 222.111.222.126: 56 data bytes\r\nICMP Host Unreachable from gateway clusternode1-priv-physical1 (172.16.0.129)\r\n for icmp from clusternode1-priv-physical1 (172.16.0.129) to gateway (222.111.222.126)\r\n\r\n稍等又可以ping通\r\n从这里是否可以看出是服务器本身的问题，还是网络问题？

race

本机路由设置出问题了

yuhuohu

有可能是网关负荷过重重启了，或者有环路存在。。。