[isalist] Re: Network Load Balancing And Network Hardware Recomendations
- From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
- To: <isalist@xxxxxxxxxxxxx>
- Date: Wed, 17 Jan 2007 13:16:42 -0800
Absopositolutely!
That's why I avoid dealing in specifics until I know the device(s) we're
dealing with...
The ISA docs recommend a hub because:
1. The test matrix for L2/L3 devices is #$%$# HUGE!!!
2. Product support statements for non-MS products creates fear in our
legal team
3. Because if #1 & #2, there is no way the ISA team can make a "device
recommendation"
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Thomas W Shinder
Sent: Wednesday, January 17, 2007 1:11 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Network Load Balancing And Network Hardware
Recomendations
Hey Jim,
You know, I've been dealing with this question for quite some time and deal
with the misconception that you need a hub. The hub is useful for dealing with
the switch flooding issue, but there are other ways intelligent switches can
deal with this problem.
Thomas W Shinder, M.D.
Site: www.isaserver.org <http://www.isaserver.org/>
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP -- Microsoft Firewalls (ISA)
________________________________
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Jim Harrison
Sent: Wednesday, January 17, 2007 3:07 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Network Load Balancing And Network Hardware
Recomendations
"HP Procurve" - what?
That's a product line, not a switch model.
Also, you don't need to use a hub; a L2 switch generally works just
fine.
The problem is when the switch tries to be too smart about L3 and ends
up being too smart for its own good.
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of William Holmes
Sent: Wednesday, January 17, 2007 11:55 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Network Load Balancing And Network Hardware
Recomendations
Hello,
This is possible a little off topic.
We currently use Windows Network Load Balancing for our Exchange and
ISA servers. Right now to avoid problems with our network switches I have a hub
between the NLB hosts and our Network Switches. This connection is therefore
limited to 100MB ½ duplex connections.
I have new hardware coming in that I need to use NLB on and I would
like to have an optimal configuration. I have taken a look at Microsoft KB
192602 and am looking for further recommendations. Our network switches are HP
Procurve.
Thanks
Bill
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