USG Flex 500H OpenVPN very slow

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Installed USG Flex 500H quite standard with SSL VPN and using OpenVPN: Upload large file from device to server - about 0.5 - 1 Mb/Sec. Download about 3 - 4 Mb/Sec.

Are there any special settings to achieve available bandwidth?

Accepted Solution

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,306  Zyxel Employee
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    Hi @JJ9231,

    Here is the official test report for your reference. You can disable security policy and all security services to check the throughput again.

    Using HTTP protocol to get 700M ZIP file from a server.
    SSL VPN (AES) throughput on USG FLEX 500H with firmware 1.20 is around 239.5 Mbps.
    (Security policy, Security services, BWM, DOS, Session control are disabled.)

All Replies

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,306  Zyxel Employee
    First Anniversary 10 Comments Friend Collector First Answer
    Answer ✓
    Options

    Hi @JJ9231,

    Here is the official test report for your reference. You can disable security policy and all security services to check the throughput again.

    Using HTTP protocol to get 700M ZIP file from a server.
    SSL VPN (AES) throughput on USG FLEX 500H with firmware 1.20 is around 239.5 Mbps.
    (Security policy, Security services, BWM, DOS, Session control are disabled.)

  • JJ9231
    JJ9231 Posts: 2
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    Hi Zyxel_Emily, thank you.