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Main point: Disable Internet Protocol Version 6 (TCP/IPv6) in the Networking settings of your Wi-Fi properties. Background: I had the same issue with Chrome (Windows 8.1). Suddenly, the browser became very slow while "Resolving host...". I tried all of the method you mention, plus others (using public DNS, flushing DNS caches (both browser and OS), ...


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A packet capture is your fried here. Start a long running capture open with a filter for just the two servers set, also run it on both servers to compare the results. When troubleshooting something like this I look for resets on the connections and any long waits between connections. Wireshark will do the trick. Set the capture filter on Server1 to 'host ...


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Keep in mind that speedtest.net can aggregate multiple connections to send data whereas iperf will use one connection. The maximum throughput of a single connection depends on: Bandwidth Send window (buffer size) Receive window (buffer size) Latency Network congestion It sounds like you're talking about upload or send performance. In that case, you want ...


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The most common method for this is to use regular ordinary DNS. Your company probably has its own domain name; possibly an internal one; just add a subdomain under it – myapp.internal.example.com or myapp.corp or something such – and point at your server's address. myapp.<domain>. A 10.0.0.5 myapp.<domain>. AAAA ...


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The routers between the local network and the rest of the internet use a technique called NAT. Just an excerpt from TCP/IP Illustrated Volume 1 about NAPT, with a word about the shortcomings of its simple cousin, Basic NAT: Basic NAT performs rewriting of IP addresses only. In essence, a private address is rewritten to be a public address, often ...



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