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Applications run slowly on IPSec tunnel

ZadokXerxes

I have configured a site to site VPN between my head office and branch office.

 

However, apps run very slowly at the branch office, when they are accessed from a drive at the Head office.

 

Microsoft Office is an example of this.

 

Can I get suggestions to speed this up, or are there particular configurations I need to make?



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  • 0

    Another likely culprit for slow access is high latency.

    Accessing Windows file shares in a high latency environment can be painful, due to the chatty nature of the SMB protocol, especially for the older versions (SMBv1 is awful, and should be culled with extreme prejudice given its gaping security holes).

    Another possible cause is that Offline Files are being used, but the latency thresholds aren't set correctly.

    Then there's the annoyingly difficult hard to track down problem of only certain spreadsheets are slow, caused by the fact that the spreadsheet has Share Workbook turned on, or the spreadsheet is linked to lots of other spreadsheets located on the far end of a VPN link and it's automatically refreshing the links.

    Without more information, or some specific examples of slowness, it's really hard to work out what the root cause is.

  • 0 in reply to ChrisKnight

    So what do you suggest to be done if this were the problem?

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