Can ISA Server 2004 handle two different links to the internet?

Discussion in 'Security Software' started by Carlos Figueiredo, Jan 25, 2005.

  1. Hi there,

    I hope this question hasn’t been asked before, but I couldn’t find it. I
    would like to know if ISA 2004 can deal with two different links to the
    Internet. Suppose I have a link via Frame Relay and a Radio link, for
    example. Can one server with ISA 2004 in my network handle both? Traffic will
    come from two different networks using two different links. I hope I’ve made
    myself clear enough.
    Thank you!
    -- Carlos Figueiredo.
     
    Carlos Figueiredo, Jan 25, 2005
    #1
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  2. I tend to doubt it but there may be a workable solution maybe requiring
    another device to manage the traffic to the ISA server. Windows can use only
    one default gateway at a time. Anyhow I suggest you post in one of the ISA
    newsgroups. --- Steve
     
    Steven L Umbach, Jan 25, 2005
    #2
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  3. You will need third-party software. Rainconnect from Rainfinity (www.rainfinity.com)
    can do what you're asking, which is essentially ISP load balancing.

    Steve Riley
     
    Steve Riley [MSFT], Jan 26, 2005
    #3
  4. ISA can not,...in fact Windows itself can not. It is the way TCP/IP (by
    itself) work.

    Rainconnect is one option the other posts suggest.

    If you have a Cable or DSL connection there are some Cable/DSL Devices that
    have two WAN ports and can handle two Cable or DSL connections at the same
    time and can "balance" between them. Since this happens "upstream" from
    ISA, ISA is niether aware of nor even cares that it is happening because it
    still only sees a single connection between it and the Cable/DSL Device.
     
    Phillip Windell, Jan 26, 2005
    #4
  5. Thank you very much Steve! Your answer helped me a lot. Now I understand more
    clearly how it would work.
     
    Carlos Figueiredo, Jan 26, 2005
    #5
  6. Phillip, thank you for your reply. I can see now how this would work. Thank
    you again for your explanation.

     
    Carlos Figueiredo, Jan 26, 2005
    #6
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