Use the GUI Firmware on the Sun Ray and try dropping the MTU size to 1320 or so
to accommodate the VPN headers? Set MTU size on the SRSS interface that
connects to the VPN concentrater on the server end?
My $0.02
AJ
On Wednesday, February 24, 2010, at 02:09PM, "Steven Gelsie"
<[email protected]> wrote:
> Recently we ran a test with thirty employees simultaneously using
>their Sun Rays (DTU ) from home and the performance varied per user but
>in general the performance was poor. The DTU connects to the VPN
>gateway and then to the sunray servers. We have three sunray servers (
>Two V240 on one T2000) all running Solaris 10 5/09 all have 1G network
>connection. Most users then use uttsc (Sun's RDP software) to connect
>to their desktops. I am trying to find out what is causing the
>performance issue. The issue did not seem to be the sunray servers so I
>thought it might be a network issue, like packet fragmentation or VPN
>gateway bandwidth. Our VPN gateway is a CISCO box with a 115Mmps
>internet connection. What would be a normal VPN gateway bandwidth
>allotment for DTU ( 400K) ? How would you know if it is a
>fragmentation issue ? Any suggestion to improve performance would be
>appreciated. I wrote a simple script to gather DTU info (it still
>needs a little work) but let me know if you want it. The script uses a
>combination of mconnect, utquery, utcapture and utdesktop.
>
>Steve
>
>--
>Steven Gelsie Email: [email protected]
>Johns Hopkins Univ./APL Phone: 240-228-4081 DC
>11100 Johns Hopkins Rd 443-778-4081 Baltimore
>Laurel, MD 20723-6099 FAX: 240-228-6119
>Work Schedule : Mon-Thurs 8:30AM-6PM
> Friday Work At Home
>
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