Uploading speed varies when using different browsers

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4 posts, 0 answers
  1. Raymond Mui
    Raymond Mui avatar
    54 posts
    Member since:
    Apr 2008

    Posted 06 Nov 2008 Link to this post

    I don't think it is a problem of the RadUpload control, but the OS + browser itself.

    I want to upload a file at about 10MB.

    1) when uploading via the LAN, using IE7 in Vista, the speed is very good.

    2) uploading to the same server, but via the Internet (thus our firewall), using IE7 in Vista, the speed is almost...zero, then timeout.

    3) uploading to the same server, via the Internet (again, through the same firewall), using Firefox 3 or Opera in Vista, the speed is about 50Kbps, which is acceptable.

    I would like to ask if anyone has the similiar situation.  Or if it is my set up problem.

    Raymond

  2. Erjan Gavalji
    Admin
    Erjan Gavalji avatar
    1455 posts

    Posted 06 Nov 2008 Link to this post

    Hi Raymond,

    We had several customers complaining from similar issues before. The main point were either the network/firewall settings, or the browser settings. The best way to identify the reason for the problem is to start with a new PC, not using the firewall and apply the settings of the computer giving the problem to it one by one.

    Let me know if I can help with anything else.

    Kind regards,
    Erjan Gavalji
    the Telerik team

    Check out Telerik Trainer, the state of the art learning tool for Telerik products.
  3. Raymond Mui
    Raymond Mui avatar
    54 posts
    Member since:
    Apr 2008

    Posted 07 Nov 2008 Link to this post

    Just try IE7 on XP (with sp3) with speed 40kbps -- acceptable.

    It seems to be IE7 + Vista (sp1) problem.
  4. Erjan Gavalji
    Admin
    Erjan Gavalji avatar
    1455 posts

    Posted 07 Nov 2008 Link to this post

    Hi Raymond,

    You could check the client computer configuration then. Here is an article that might be of help:

    How to disable Windows Vista TCP/IP auto-tunning ?

    You could also ask your network administrator for some assistance on the matter.

    Kind regards,
    Erjan Gavalji
    the Telerik team

    Check out Telerik Trainer, the state of the art learning tool for Telerik products.
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