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Narrow down "bandwidth" issue

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I have a client that has two offices that connect into my datacenter to access their Windows 7 desktop VDI.

 

Stamford office connects with View client 5.0.1 build 640055 over their Time Warner 50/15 business class internet connection and has no problems.

 

Hartford office has a 20Mbps Layer2 Point to Point circuit to my datacenter and they have a whole host of performance issues.  They get delays when typing, screen refreshes are horrible, horizontal banding in the display at times, very jerky mouse movements and so on.  Same View version as Stamford. 

If you connect to a "hartford vdi" from Stamford there's no problems.  If you connect to a known working "stamford vdi" from Hartford you'll get the same horrible Hartford user experience.

 

Sounded initially like a circuit issue but with all the intrusive testing by both the carrier and myself I'm dead convinced it's a full 20Mbps circuit.  The kicker being at any time that the user experience is at it's worst, the circuit is completely underutilized, and maybe pushing 6 or 8 megs.

 

It's as if View itself is throttling down.  I'm not a VM person but have been troubleshooting the network on this issue far too long so I started looking at View log files.  And I need help understanding them.  I just collected the support logs, attached what i thought was appropriate.  I'll gladly attach others if need be.

 

Is there a way to find the bottleneck in my network with these files?  Please note also that at around 7:15pm in the logs I was running an iperf udp test from the the host with view installed to an iperf server in the datacenter.


thanks in advance.


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