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  1. #1
    Master Untangler ntldr's Avatar
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    Default Verizon Wireless rate limiting?

    One of my larger paid accounts is experiencing poor OpenVPN performance when using various Verizon LTE modems and hotspots (personal, MiFi, etc). I'm not sure when this started, but my recent testing with iperf shows 150Kbs transfers at best through the tunnel and 1Mbps+ direct. Verizon claims they aren't rate limiting "anything" and have not provided any useful support.

    I'm not quite sure where to go with this, but I'm looking for some advice. There could be some issues with Verizon's caching and transparent proxy settings, but these controls are limited depending on the device.

  2. #2
    Untangler jcoffin's Avatar
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    Default

    Is Untangle the OpenVPN server or client? Which version of Untangle are you running? If the client is the OpenVPN standalone app, which version is that?
    Attention: Support and help on the Untangle Forums is provided by
    volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

  3. #3
    Master Untangler ntldr's Avatar
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    UT OpenVPN is setup as server, 14.1 in this case. Using the bundled UT OpenVPN client with a stock configuration, v2.4.3. Remote users are all on Windows 10.

  4. #4
    Untangler jcoffin's Avatar
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    That appears OK. It sounds like nothing has changed on either end but the speed changed.
    Attention: Support and help on the Untangle Forums is provided by
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    If you need Untangle support please call or email support@untangle.com

  5. #5
    Master Untangler ntldr's Avatar
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    Quote Originally Posted by jcoffin View Post
    That appears OK. It sounds like nothing has changed on either end but the speed changed.
    Should I open a ticket with support?

  6. #6
    Untangle Ninja sky-knight's Avatar
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    I'm not sure what you want to be done. If it was working, and no client or server change has been made... or more importantly, you've switched a slow client, off Verizon onto another connection and things returned to normal... the issue is obviously the cellular connection.

    We can't fix an ISP, nor can you... all you can do is contact Verizon support and yell, or switch providers.

    *Edit* I just tossed my Verizon cell into hotspot mode, and slapped on my laptop. I used OpenVPN to connect to my office network, then RDP'd into my primary desktop. Using a 1.2gb movie file I started a file copy via RDP and it held about 10mbit of transfer. I then stopped that, and used SMB to connect to a file share on my desktop housing that file, and started a copy that way, and I was bouncing between 18-20mbit. Considering my cable connection tops out at 20mbit upload... I think it's safe to say mine isn't having this issue. My 4g seems to be keeping up with my cable just fine.

    Speedtest.net's app on my phone says my 4g is about 26mit up and down.

    I am using an i3 powered Untangle server... what is yours?
    Last edited by sky-knight; 01-11-2019 at 03:04 PM.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  7. #7
    Master Untangler ntldr's Avatar
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    Quote Originally Posted by sky-knight View Post
    I'm not sure what you want to be done.
    Umm, perhaps help ruling out the obvious, before asking a client to move 75 cellular devices to a new carrier? Or maybe I should ditch a newer u150 appliance and Untangle altogether, rather than spend a few hours troubleshooting?

  8. #8
    Untangler jcoffin's Avatar
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    Quote Originally Posted by ntldr View Post
    Should I open a ticket with support?
    Probably the best way to determine the issue is with support looking at the box and it's traffic.
    Attention: Support and help on the Untangle Forums is provided by
    volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

  9. #9
    Master Untangler ntldr's Avatar
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    Quote Originally Posted by sky-knight View Post
    I am using an i3 powered Untangle server... what is yours?
    A newer u150 in this case. Tested from five of the client's LTE/USB modems and getting 100-300Kbps transfers using iperf as well as SMB. The client has Spectrum 50x50 fiber. Also tested from my S9+ hotspot, after asking Verizon for a free month of the "Above" plan with no bandwidth cap. Also tested rates while connected to another client's custom UT build (Core i5) and averaged 200Kbps.

    I just setup RRAS at the same site (Server 2012 R2) for a quickie PPTP test, and I'm hitting my phones max rates, around 4.5Mbps.

  10. #10
    Untangle Ninja sky-knight's Avatar
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    When was the last time you reset the OpenVPN module?
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

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