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General Chat Thread, Failover from one internet connection to another in General; Would it theoretically be possible to set up a system so that if your internet connection from your ISP failed ...
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    reggiep's Avatar
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    Failover from one internet connection to another

    Would it theoretically be possible to set up a system so that if your internet connection from your ISP failed you could have something detect this and switch over to a 3G router instead?

    A bit sketchy at the moment as this wouldn't be for my school but a friends!

    Thanks

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    It is possible. I was having a look at some of the smooth wall filtering box`s last year and some of those allowed you to fail over to a 3G connection which you could then set up certain priorities and restrictions for if you wished.

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    reggiep (5th November 2012)

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    tmcd35's Avatar
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    There are plenty of routers on the market with Dual WAN ports that can be set up for either fail over or round-robin load distribution, etc. You'd need Lan port on the 3G and ADSL (I assume) modems to plug them into the Router's WAN ports, or ADSL/3G routers with the Dual WAN router plugged into DMZ ports? Or you have both modems (3G and ADSL) plugged into a PC then I'm sure Linux can be set up to manage routing.

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    reggiep (5th November 2012)

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    twin--turbo's Avatar
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    Draytek do a dual/tri failover router.

    But if your using your own hosted internet/mail/yada servers on static IP's they will not work unless you change DNS settings ( or have 2 MX for Mail. )

    Rob

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    reggiep (5th November 2012)

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    tmcd35's Avatar
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    Quote Originally Posted by twin--turbo View Post
    But if your using your own hosted internet/mail/yada servers on static IP's they will not work unless you change DNS settings ( or have 2 MX for Mail. )

    Rob
    Would a service like DynDNS resolve this problem?

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