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How to automate NIC's default gateway's change upon internet disconnectivity?

Discussion in 'Networking' started by abbaskhan, Apr 30, 2008.

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  1. abbaskhan

    abbaskhan Thread Starter

    Apr 30, 2008

    I'm new to techguy. Hopefully you'll bother the confounding.
    I am two internet connections at the time with routers configured on three internal networks. Alternative dns servers and gateways are added into the network connection.
    Just wanted to know if there is a way to automate the change of default gateway (just need to change the default gateway as everything is well configured) upon internet failure, so that, my internet connectivity may resume from other dsl provider.
    Tried using 'metrics' in Windows XP's Network Connection Settings while adding default gateways, but, couldn't get it to work.
    Some times it switches to alternative gateway, sometimes not and often it doesn't fall back to default one.

    This may be done by using vbs or bat scripts. Any possibilities.
    Any comments or suggestions would be really appreciating.

    Thanks in advance.
  2. JohnWill

    JohnWill Retired Moderator

    Oct 19, 2002
    Why not just use a dual-WAN router and have all the bandwidth available all the time?
  3. Squashman

    Squashman Trusted Advisor

    Apr 4, 2003
    I don't know of anyway to do it automatically but you can change it easily with NetSetman.

    The whole problem with this is you have to be able to monitor your ISP connection effectively. You would need to come up with some variable that says the ISP is slowing down or isn't responding at all. I am sure that cannot be easy to program. A dual wan router would be the easiest solution.
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