RE: ISA 2004 EE
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Sat, 2 Apr 2005 08:53:36 -0600
Hi Jim,
You sure about the proxy chain loop error? I don't recall seeing those
errors in my hundreds of painful hours trying to tame the Enterprise
Edition beast. But now that I think about it, I don't think I configured
the client side CARP routing to use a VIP name, since that would break
CARP.
Never mind :)
Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Friday, April 01, 2005 12:31 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA 2004 EE
http://www.ISAserver.org
Much reading to be done, grasshopper:
www.isaserver.org
www.microsoft.com/isaserver
NLB and CARP can conflict because of the potential for a connection
loop:
- user needs to make web request
- CARP directs client to specific server name (resolves to VIP)
- user requests content from VIP
- ISA serving request doesn't have the content; makes CARP request to
other array member (resolves to VIP)
- ISA making request gets own request; throws "proxy chain loop" error
- user gets pissed and throws PC out the window
- user gets fired and arrested; problem solved
-------------------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
-------------------------------------------------------
-----Original Message-----
From: klocke [mailto:kevin.locke@xxxxxxxxxxxx]
Sent: Friday, April 01, 2005 10:25
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA 2004 EE
http://www.ISAserver.org
Can somebody please a explain to what would be best to a very new ISA
admin. I have been tasked with replacing our old Proxy with ISA 2004 EE.
The requirment are that the it needs to be fault tolorate and it for Web
proxy only. My thoughts were to create ISA in a array with CARP for web
caching and also us NLB on internal NIC's for the fault tolorate. But I
have seen a few article recommending not to use NLB with CARP? can you
please explain.
Thanks
Kevin
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