Hi,
Check out how much bandwith each user uses, check how much memory is required.
I have spent a considerable amount of time using products such as 'Ecoscope' various
'sniffers' and monitors all to check on Citrix. Over the years I keep coming to the
same point. Basically as I understand Citrix (which is not very well) it takes key
strokes and returns screens thereby reducing traffic. Each session however takes
somewhere in the vicinity of 16K+ bandwidth sometimes very much higher. Each session
takes up quite a deal of memory. Each session runs a separate service (say ftp or
Xterm whatever) back to the server supplying the data.
Often the slow point is from the Citrix farm back to the application. I found that to
be the slow point in a number of cases. Also tuning the Citrix (turn off screen
savers and the like) helped a little. Each screen saver causes more traffic, cpu
utlisation etc.
Just some of the stuff I found,
have fun
Teunis,
Hobart, Tasmania
Australia
On Monday, February 19, 2001 at 09:46:15 AM, Germain. PJ wrote:
> Hello all !
> I'm hoping someone out there can help me with this. We are stumped.
> We are running the latest version of Citrix on an 8 server ( Proliant 6400)
> farm.
> Internally, we get to it via a couple of 2948G switches and a 3660 Core
> Router.
>
> But, if I go to one of our remotes sites that has a DSL connection to the
> Internet, they access our Citrix farm through our 2612 Internet router, then
> a Catalyst 2900 switch (DMZ), then through our PIX, then another 2948G, BUT
> they apparently bypass the 3660 and get to the farm.
>
> External access has much quicker response times than internal. The only
> difference I see is the 3660 router.
> We have 30 WAN sites and about 150 LAN hosts working through the 3660, but
> the CPU usage and Memory are not hurting. Could this difference just be a
> "traffic shaping" issue or is there something that I am just missing??? We
> have only a basic config on the 3660.
>
> Any assistance would be much appreciated.
> Thank you very much, in advance.
>
> P.J. Germain
> Network Support Engineer
> Cooper / T. Smith
>
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