[THIN] Re: Typing Latency
- From: "Magnus Hjorleifsson" <magnus@xxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>, <thin@xxxxxxxxxxxxx>
- Date: Wed, 16 Jul 2008 00:08:24 -0400
We ran into the same thing with the network latency between the client and the
servers being less than 200 ms (avg about 150 ms). A network sniff revealed
that mouse movements packets (about 8 to 11 bytes per packet) were overloading
a cisco switch and router (older version of IOS and hardware) as there were
about 1000 per second from each user.
On the cisco switch we noticed buffer overflow errors and open a case with
Cisco where of course they stated " this is a known issue with that version of
IOS and model number". We are replacing the equipment ("in due time " says
mgmt) in the mean time we enabled max compressoin and mouse queing which seems
to resolve the issue until the equipment gets replaced.
magnus
________________________________
From: thin-bounce@xxxxxxxxxxxxx on behalf of Jim Cannon
Sent: Mon 7/14/2008 9:49 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Typing Latency
I will have to check on spanning tree with the network guys...This app does not
use Office.....I read through the article and we have done those things ....
Any other ideas?
________________________________
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of
Jim Kenzig
Sent: Monday, July 14, 2008 4:50 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Typing Latency
Do you have spanning tree disabled on the router? If not disable it. Are you
using office? Have you disabled the language bar for word?
Have you read through the article here ?
http://www.msterminalservices.org/articles/Poor-Bandwidth-Latency.html
Jim Kenzig
Blog: http://www.techblink.com <http://www.techblink.com/>
On Mon, Jul 14, 2008 at 3:46 PM, Andrew Wood <andrew.wood@xxxxxxxxxxxxxxxx>
wrote:
Group hug ;)
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Steve Greenberg
Sent: 14 July 2008 20:18
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Typing Latency
I love these responses- they gives me a chuckle to know that we have all
seen the same things!
Steve Greenberg
Thin Client Computing
34522 N. Scottsdale Rd D8453
Scottsdale, AZ 85266
(602) 432-8649
www.thinclient.net <http://www.thinclient.net/>
steveg@xxxxxxxxxxxxxx
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Andrew Wood
Sent: Monday, July 14, 2008 7:36 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Typing Latency
I've had misconfigued packetshapers introduce latency; which was a fun to
find out :(
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Nick Smith
Sent: 14 July 2008 14:25
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: Typing Latency
Any weird DNS?
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Andy Friar
Sent: 13 July 2008 16:42
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Typing Latency
Any teaming on the nic's?
Rgds
Andy
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx on behalf of Jim Cannon
Sent: Sat 12/07/2008 14:49
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Typing Latency
Well we are at our wits end with this one and looking for some advice...
First our background:
Windows 2003 Enterprise Server with SP2 - 32 BIT
Xenapp 4.0 with R04
Compaq C Series blades, Dual Quad Core Proc with 16 GB RAM, NICS are
attached GB connection
Clients are connecting with the newest Full PN ICA Client 10.2 through Web
Interface 4.5
We are experiencing typing delays and some random disconnects. Session
Reliability is kicking in from time to time with some session disconnects.
We have opened a case with Citrix and checked the normal stuff such as
Network QOS traces, perfmon traces, and speedscreen settings to no
avail..Clients are hard wired to the dual T1 network and the SMC traces
appear clean even while the issue is occurring..Norton AV is installed on
the workstations and Citrix Servers but real time scanning is disabled on
the Citrix Servers and a nightly scan is conducted at 2:00 AM..Servers are
rebooted weekly as well...
Any ideas?
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