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ping 外网, 还是ping 网关都出现DUP!
百度查了许久，各种方法都无效，无奈只能google看老外的方法。
http://codeblog.co.uk/vmware-duplicate-ping-responses/
老外说了一大堆，从评论中我看到一条:
That was it – disabing just?"Routing and Remote Access" fixed it for me in Win7 host, it was torturing me for years.
意思是禁用服务 "Routing and Remote Access" 即可。我实验效果如下，希望能帮到你。
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解决办法也奇怪,禁用下vmnat8,然后重启, 就好了!
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原文：http://www.cnblogs.com/pentesterlab-beginner/p/4732907.html