[THIN] Re: Network Optmization : Output queue length very high

I'm not sure about the Dell equipment, but on our Cisco gear anything gigabit 
has to be set to auto-negociate.  Everytime we tried to set the Intel cards to 
a gig full it would choke talking to the Cisco gear.  Just a thought. 

-----Original Message-----
From: Cláudio Rodrigues [mailto:Claudio.Rodrigues@xxxxxxxxxxxxxxxxxxxxx] 
Sent: Thursday, August 19, 2004 9:57 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Network Optmization : Output queue length very high

There were many issues with Gigabit cards and the results were exactly what you 
have described. In some customers we simply had to disable them and use 100MB 
ones. That fixed all the issues.
You may give that a try for testing purposes.

Cláudio Rodrigues
 
Microsoft MVP
Windows Technologies - Terminal Services http://www.terminal-services.net
 

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of 
Andrew Rogers
Sent: August 19, 2004 11:46 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Network Optmization : Output queue length very high

When you say the other servers have the same problem, presumably you mean the 
network queue length? I cant imagine it will be, but try add the Bytes Total/s 
and see if the LAN's throughput is saturated. Are their functions "slow" at 
all? ie, bringing up directory listsings or working with the sql server?

Whats the backbone of your network, switch/hub/make wise?

Oh, and its Xeon, not Xenon ;)

Andrew
--o--

>>> bjarrett@xxxxxxxxxxxxxx 19/08/04 16:01:50 >>>
We are running office XP Pro Enterprise SP3.
Yes we are running Dells with brodcoms on the 6 citrix servers but the other 
servers are Dell with installed 3Comm Gigabit NICS that we installed and are 
getting the same problems.  BTW: these problems do occurn on the LAN and the 
sessions that are frozen do show active. 

Thank you for the suggestions tho,

Bruce Jarrett-Norton

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of 
Andrew Rogers
Sent: Thursday, August 19, 2004 10:53 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Network Optmization : Output queue length very high


If its easy to do, try a different NIC in one of the MF servers and see
if that helps, people have had various problems with broadcom nics (I
assume you're using Dells??). But have a look at the following first-

As for the stuttering, what happens if you're on the LAN with the
servers, do you get this? If not, I'd suggest looking hard at bandwidth
usage on your external connections, they may be very well saturated.
(Also check ping times over them!)

The frozen sessions I'd hazard a guess at being sort of the same thing,
but more extreme. Does the session show as Active or Disconnected when
they report this? You might find setting up the whole Keep Alive keys
thing will help this a little - they will be disconnected rather than
frozen!

There may or may not be something deeper going on, in which case someone
else may well provide more of an insight, but the above is what I'd look
at!

Andrew
--o--

>>> bjarrett@xxxxxxxxxxxxxx 19/08/04 15:29:18 >>>
Broadcom Gigabit NIC

Running applications in seamless using a frame relay connection to
remote offices on 56k up to 256k connections even some dialups running
through our NFUSE portal.


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