Re: Multiple ISP configuration question
From: Bill Harrison (tech_at_internetapollo.com)
Date: 06/07/04
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Date: Mon, 7 Jun 2004 10:09:00 -0500
Hey! Thanks for the response. I had actually considered an array with each
ISA server connected to another ISP. Maybe I'm incorrect but I was under the
impression that my second ISA server would only see activity in the event of
the first ISA server being unable to process the request. What I'm really
after is a way to maximize our internet access by evenly distributing all of
our web traffic across both of the web connections. My thought is that if we
are going to be paying for two full time high speed internet connections,
I'd like to be using them both full time. I guess this is more of a network
load balancing question than an ISA configuration question.
Thanks,
Bill
"Rolle Holm" <roland.holm.gtb@telia.com> wrote in message
news:eVQ6jpwREHA.556@TK2MSFTNGP10.phx.gbl...
> Hello Bill!!!!
>
> I don't know if this is possible for you but heres my setup!
> One ISA server which is connected to a ISP. this is our default route to
the
> internet. If the first server fails, we have another ISA server which has
a
> connection to a different ISP, to take over. The second have stong policy
> and is just allowing webacces to go thru. It has worked well for us and
the
> redundancy is OK. I set this up in the client configuration.
> I don't know if this was what you were looking for exactly. Just a thought
> on how you could solve the problem if the first one goes down!
>
>
>
> "Bill Harrison" <tech@internetapollo.com> wrote in message
> news:%23El4hAbREHA.1160@TK2MSFTNGP09.phx.gbl...
> > We have just begun to experiment with ISA Server 2000. It is sitting on
a
> > Win2K SP4 Advanced
> > Server. Our office uses DSL for web access. Since we are located in a
> > rapidly growing area in terms of construction, we have lost our
connection
> > pretty frequently. A large portion of our business depends on internet
> > access. I devised this plan to put in a redundant connection using our
> local
> > cable company. My theory is that we are less likely to lose both the
phone
> > based and cable based simultaneously. Redundancy, redundancy. At the
very
> > basic level, I can achieve the redundancy by manually plugging the
> external
> > NIC into whichever modem is live. This would still leave us with a
minute
> or
> > two of downtime as the connection is manually switched. It also would
mean
> > that the idle connection would be wasted most of the time. I'd like to
put
> 3
> > NICs in my ISA server. NIC 1 is my internal, NIC 2 connected to the DSL
> > modem and NIC 3 to the Cable modem. So far this is all conceptual. The
> part
> > I'm trying to mentally figure out is a clean way to have the ISA Server
> > balance the traffic between NIC 2 and NIC 3. Basically, if DSL is
> > experiencing a lot of web traffic, start funneling more requests to the
> > cable connection.
> >
> > The actual goal: Web traffic passes through ISA Server 2000 and the
> traffic
> > is balanced between the two providers
> >
> > I hope that I explained this well. Thanks for any input!
> >
> >
> > Bill
> >
> >
>
>
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