Re: Dual ISA Servers?
- From: "Anthony Michaud" <anthonym@xxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 11 Dec 2003 16:27:52 +1100
Cheers Jim - I think that it will do the trick :)
--
Anthony.
> -----Original Message-----
> From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
> Sent: Wednesday, 10 December 2003 17:16
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: Dual ISA Servers?
>
>
> http://www.ISAserver.org
>
> You can't split server publishing across multiple ISA Serves
> without external assistance (no, NLB doesn't count).
>
> If the default gateway is ISA1 and the SMTP traffic is
> received on ISA2, then the SMTP server will try to respond
> via ISA1, not ISA2.
> You can add the registry entry in this article to mitigate
> that problem:
> http://support.microsoft.com/default.aspx?scid=311777
>
> This way, all traffic will be seen as being sourced from the
> ISA where it's received, instead of the actual source.
>
> Jim Harrison
> MCP(NT4, W2K), A+, Network+, PCG
> http://isaserver.org/Jim_Harrison/
> http://isatools.org
> Read the help / books / articles!
>
>
> On Wed, 10 Dec 2003 13:46:12 +1100
> "Anthony Michaud" <anthonym@xxxxxxxxxxxxxx> wrote:
> http://www.ISAserver.org
>
> Hi all,
>
> I was wondering if I had an issue with the installation of my
> 2nd ISA server, or if I am having a routing problem.
>
> ISP1 ISP2
> | |
> ISA1 ISA2
> | |
> \-------/
> LAN ----- SMTP1
>
> The above (rough) diagram shows that I have two ISP's and an
> ISA server for each. All traffic is being routed to ISA1
> through ISP1, although there is still some traffic on ISA2
> via ISP2. So far HTTP server publishing is working
> correctly, however I am not able to get any combination where
> SMTP server publishing is functioning.
>
> >From what I can gather, ISA2 is accepting a SMTP connection,
> and then ignoring it? Could this be due to the default
> gateway on SMTP1 being ISA1?
>
> Many thanks,
>
> Anthony.
>
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