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  • tw.tectalk.it/2017/01/24/%e6%af%94-packet-tracer-%e6%9b%b4%e8%b2%bc%e8%bf%91%e7%8f%be%e5%af%a6%ef%bc%81%e5%85%8d%e8%b2%bb-gns3-%e8%87%aa%e5%bb%ba%e6%a8%a1%e6%93%ac%e7%b6%b2%e7%b5%a1%e7%92%b0%e5%a2%83%e6%b8%ac%e8%a9%a6/ (port 80)