RE: ISA2004 newbie here. ISA2004 as a router?

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 27 Sep 2005 16:00:13 -0700

What you're missing is a perspective beyond "one IP per ISP".
Binding multiple IPs to an interface has nothing whatsoever to do with 
redundancy or load balancing.
Server publishing, multiple SSL sites - there are any number of reasons to do 
this.

------------------------------------------------------
   Jim Harrison
   MCP(NT4, W2K), A+, Network+, PCG
   http://isaserver.org/Jim_Harrison/
   http://isatools.org
   Read the help / books / articles!
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________________________________________
From: Ball, Dan [mailto:DBall@xxxxxxxxxxx] 
Sent: Tuesday, September 27, 2005 15:26
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA2004 newbie here. ISA2004 as a router?

http://www.ISAserver.org
Yep, that pretty much summarizes it!  
 
Although, could someone please clarify what the benefits are of multiple 
"public" IPs is if you bind them all to the same card and they're all supplied 
by the same provider?  It seems like an unnecessary redundancy.  If the 
provider goes down, you lose all of them anyways, and since you can only use 
one default gateway, the others can't really be used anyways...  
 
What am I missing?
 
________________________________________
From: Lists [mailto:lists@xxxxxxxxxxxxxxxxxxxxxxx] 
Sent: Tuesday, September 27, 2005 5:04 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA2004 newbie here. ISA2004 as a router?
 
http://www.ISAserver.org
Hooray Jim. Nice to have such a crystal clear short statement that somehow got 
lost in the midst of all the discussion on this topic!
 
________________________________________
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx] 
Sent: Tuesday, September 27, 2005 1:10 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA2004 newbie here. ISA2004 as a router?
http://www.ISAserver.org
No, it doesn't.
Multiple IPs from a single connection provider is still only a single ISP.
The clarification for this is:
 
-- ISA only supports one default gateway to the Internet --
 
-------------------------------------------------------
   Jim Harrison
   MCP(NT4, W2K), A+, Network+, PCG
   http://isaserver.org/Jim_Harrison/
   http://isatools.org
   Read the help / books / articles!
-------------------------------------------------------
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