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OpenVPN on Android vs. OpenVPN on iOS (iPad Pro)

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  • P
    pfcode
    last edited by Mar 11, 2016, 7:27 PM Mar 11, 2016, 5:06 PM

    HI,

    Bought an iPad Pro a couple of days ago, installed OpenVPN Connect app and ovpn file. It was able to connect to my pfSense OpenVPN server successfully. but the speed to the internet is EXTREMELY SLOWER, made the internet almost unusable. While at the same time using OpenVPN for Android, its way better to connect pfSense to the internet. Only difference I can see from the Openvpn server log is:

    Android(Samsung Note2): Control Channel: TLSv1.2, cipher TLSv1/SSLv3 DHE-RSA-AES256-GCM-SHA384, 2048 bit RSA

    iOS(iPad Pro): Control Channel: TLSv1.2, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 2048 bit RSA

    Anyone has the same experience? Any idea how to improve the speed issue on iOS?  Thanks.

    Release: pfSense 2.4.3(amd64)
    M/B: Supermicro A1SRi-2558F
    HDD: Intel X25-M 160G
    RAM: 2x8Gb Kingston ECC ValueRAM
    AP: Netgear R7000 (XWRT), Unifi AC Pro

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    • J
      jimp Rebel Alliance Developer Netgate
      last edited by Mar 11, 2016, 7:04 PM

      Generally speaking any kind of issue of slowness that is hit and miss is more likely related to MTU/fragmentation.

      Though the OpenVPN connect app doesn't let you adjust anything, you could try editing the config before sending it to the device. There are a couple different config directives that can be used to adjust packet sizes, though I'm not sure which of them are supported on OpenVPN on iOS. You might want to check the OpenVPN.net forum for that.

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      • P
        pfcode
        last edited by Mar 11, 2016, 7:26 PM

        @jimp:

        Generally speaking any kind of issue of slowness that is hit and miss is more likely related to MTU/fragmentation.

        Though the OpenVPN connect app doesn't let you adjust anything, you could try editing the config before sending it to the device. There are a couple different config directives that can be used to adjust packet sizes, though I'm not sure which of them are supported on OpenVPN on iOS. You might want to check the OpenVPN.net forum for that.

        Thanks much for the answer. I just found that for some web sites it works okay, but for some sites the speed was just very very slow. No idea why works for some but not for others. because of MTU/fragmentation?

        Release: pfSense 2.4.3(amd64)
        M/B: Supermicro A1SRi-2558F
        HDD: Intel X25-M 160G
        RAM: 2x8Gb Kingston ECC ValueRAM
        AP: Netgear R7000 (XWRT), Unifi AC Pro

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        • J
          jimp Rebel Alliance Developer Netgate
          last edited by Mar 11, 2016, 7:27 PM

          That's the most likely suspect at this point, I'd say.

          Remember: Upvote with the 👍 button for any user/post you find to be helpful, informative, or deserving of recognition!

          Need help fast? Netgate Global Support!

          Do not Chat/PM for help!

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