[THIN] Re: ICA Keep Alive and Cisco routers...
- From: "Eric Pylko" <eric@xxxxxxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Tue, 24 Feb 2004 06:19:28 -0500
The idea with Cisco routers doing dial-up is that you create an =
access-list
(a list of patterns that matches specific traffic) to define your
"interesting" traffic. When there is a match, your idle-time is reset =
to 0.
If the ICA keepalives are keeping your ISDN line up, the access-list =
needs
to have a deny statement for ICA Keepalives. If you know what =
protocol/port
(e.g. UDP port 38291) then creating the access-list is easy. There =
must
already be one on the router if it is doing dial-on demand, so just a =
small
tweak should be needed.
-Eric
--
Eric Pylko eric@xxxxxxxxxxxxxxxxxxx
CCIE #5827 (585) 747-2446
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On =
Behalf
Of Dennis van Turnhout
Sent: Tuesday, February 24, 2004 5:37 AM
To: thin@xxxxxxxxxxxxx
Cc: duittenb@xxxxxxxxx
Subject: [THIN] ICA Keep Alive and Cisco routers...
I've got the following problem at a customer of ours.
A while back the router disconnected the line when there was no data for =
10
minutes. Due to unknown reasons reconnection to a disconnected server
stopped to work. This happend in a period wherin we did no maintenance =
to
the server, the IT department at the customer says it didn't change a =
thing.
No problem ICA keepalive can't fix so we enabled this function. Problem
solved, sort of... When you manualy shut down the router, Citrix detects
this after a while and sets the user session from Active/Idle to
Disconnected. Switch on the router and the WBT resumes the connection.
Yesterday I noticed that every 15 to 20 seconds the router recieves and
sends data across the ISDN line. The router detects this as "trafic" and
keeps the line up?
Cisco says the router should be able to spot the difference between =
ordinary
citrix trafic and ICA Keepalive. I'm that not sure that ICA Keepalive is =
the
source of our problems though.
I've been reading Cisco manuals for the 801 and 3620 but found myself
reading way to much=20
stuff I know to little about.
Could use some help at this moment...
Bye,
Dennis
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triCerat makes your job easier by offering essential applications to
eliminate your printing, policy and profile, and your application =
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This weeks sponsor triCerat Inc.
triCerat makes your job easier by offering essential
applications to eliminate your printing, policy and profile,
and your application management problems.
http://www.triCerat.com
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