关于Linux下，ping 外网地址出现以下情况：
[root@oracle ~]# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2558 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1559 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2558 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1559 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2558 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1629 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2628 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2629 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2629 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2629 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2629 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1631 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1631 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2630 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2631 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2631 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2631 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2631 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1633 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1633 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1633 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1633 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2632 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1633 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=2633 ms (DUP!) 64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=1634 ms (DUP!) --- 8.8.8.8 ping statistics --- 4 packets transmitted, 2 received, +15851 duplicates, 50% packet loss, time 3633ms rtt min/avg/max/mdev = 114.577/1109.873/2633.100/621.699 ms, pipe 3
一般这种情况是在虚拟机里面出现的，即vmware workstation，遇到这个情况，将主机里面的vnet网卡禁用，再启用即可。
二〇一五年三月六日 11:34:52
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