ping 192.168.0.2有一段时间，我有这样的事情(DUP!)我的网卡或交换机出了问题？
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Ubuntu服务器15 – *192.168.0.222* Windows服务器2012 – *192.168.0.2* – 虚拟机
64 bytes from 192.168.0.2: icmp_seq=3 ttl=128 time=0.369 ms (DUP!) 64 bytes from 192.168.0.2: icmp_seq=4 ttl=128 time=0.203 ms 64 bytes from 192.168.0.2: icmp_seq=4 ttl=128 time=0.280 ms (DUP!) 64 bytes from 192.168.0.2: icmp_seq=5 ttl=128 time=0.343 ms 64 bytes from 192.168.0.2: icmp_seq=5 ttl=128 time=0.443 ms (DUP!) 64 bytes from 192.168.0.2: icmp_seq=6 ttl=128 time=0.306 ms 64 bytes from 192.168.0.2: icmp_seq=6 ttl=128 time=0.393 ms (DUP!) 64 bytes from 192.168.0.2: icmp_seq=7 ttl=128 time=0.283 ms 64 bytes from 192.168.0.2: icmp_seq=7 ttl=128 time=0.380 ms (DUP!) wlodek@ubuntu:/etc/network$ cat interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet manual bond-master bond0 auto eth1 iface eth1 inet manual bond-master bond0 #Interface auto bond0 iface bond0 inet static address 192.168.0.222 netmask 255.255.255.0 gateway 192.168.0.100 dns-nameserver 8.8.8.8 bond-mode 6 bond-miimon 100 bond-slaves none
ping从192.168.0.79 （Ubuntu服务器15（Samba））到192.168.0.2 Windows serevr 2012 没有DUP！
192.168.0.79
wlodek@Samba:~$ ifconfig eth0 Link encap:Ethernet HWaddr 00:1a:4d:25:11:c7 inet addr:192.168.0.79 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::21a:4dff:fe25:11c7/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4303692 errors:0 dropped:0 overruns:0 frame:0 TX packets:2829493 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:6299362962 (6.2 GB) TX bytes:502897264 (502.8 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:12773 errors:0 dropped:0 overruns:0 frame:0 TX packets:12773 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1200613 (1.2 MB) TX bytes:1200613 (1.2 MB) 64 bytes from 192.168.0.2: icmp_seq=1 ttl=128 time=0.589 ms 64 bytes from 192.168.0.2: icmp_seq=2 ttl=128 time=0.346 ms 64 bytes from 192.168.0.2: icmp_seq=3 ttl=128 time=0.376 ms 64 bytes from 192.168.0.2: icmp_seq=4 ttl=128 time=0.319 ms 64 bytes from 192.168.0.2: icmp_seq=5 ttl=128 time=0.392 ms 64 bytes from 192.168.0.2: icmp_seq=6 ttl=128 time=0.379 ms