[THIN] Re: Citrix lock-up over IP-VPN
- From: "M" <mathras@xxxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Thu, 13 Jan 2005 19:52:33 -0000
Not sure if this answers your question.
We had a similar issue after a migration to DSL with some Cisco kit.
It turned out that the MTU was incorrect. We found this out by doing simple
ping tests with larger packet sizes
We had a bunch of windows based Terminals that would not connect or when
they did , would drop connections frequently.
http://www.microsoft.com/technet/community/columns/cableguy/cg0704.mspx
That URL provides some useful information.
----- Original Message -----
From: "Matthew Shrewsbury" <MShrewsbury@xxxxxxxxxxxxxxx>
To: <thin@xxxxxxxxxxxxx>
Sent: Thursday, January 13, 2005 7:04 PM
Subject: [THIN] Re: Citrix lock-up over IP-VPN
I'd be trying to locate the loss. It sounds like your actually losing IP
connectivity? Start with simple things like from a remote site pinging a
Citrix server. Is the speed constant, do you drop pings? Check the
router, maybe run some logging on the router...
Matthew Shrewsbury, MCSE+Internet MCSE 2000 CCA
Network Administrator
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Rob Beekmans
Sent: Thursday, January 13, 2005 1:19 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Citrix lock-up over IP-VPN
Hi,
Strange things happening of this side of the planet.....hope anyone can
help
me think this thing through......
We just migrated to an IP-VPN network over DSL for almost all our remote
offices.
After some initial problems the provider managed to get it all working
and
everyone was happy.
But now after about 2 week into happiness, the real world kicked
in.....the
connections are so damn slow, and even disconnect Citrix sessions.
I'll give an example I encountered today...
Remote office 512/512 line connection. (before the migration that had a
300K
line)
- 11 thin clients
- 2 printers
Noone was printing, noone was working....I was the only one logged in to
the
Citrix farm.
Suddenly after approx. Five minutes the system locks up and stays like
that
for minutes.....after that it disconnects and I get the usual error.
I can reconnect and return to my session but the same will happen every
so
much minutes for the whole day.
No I looked at the performance graphs of that day at the portal of the
provider and it states we never came over 100K.
So somewhere else shoudl be the bugger causing all this. Mind you we
have 20
locations...and only 3 operate fine these days...
The three locations that operate fine have not yet migrated to this
network.
And the main office of course works fine, so the issue is not the
network
internally but some devices connecting to it.
The lines connect to a Cisco 82x something router (provider operated)
with
13.2 IOS version on it...this IOS made trouble also before so my guess
is in
this direction.
Hope this chaotic story gives some idea of the trouble we are seeing
right
now....maybe anyone had any idea on where to start...or had similair
issues
and solved them....
Any thoughts are welcome...
Met vriendelijke groeten / With kind regards
Rob Beekmans
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