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agriboy1980Flag for Isle of Man

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Backup internet server

Hi All,

Recently happened that my company had no internet for a half day. I was able the give mobile internet (3G)  for some of the laptops using my iPhone wifi sharing.

The question is that could I give internet for our server too using mobile internet (which has the DHCP server, domain controller rolls, and it is an exchange server 2003 too)?
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Simon Butler (Sembee)
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Why don't you try it and check what works for you or not, then decide.
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ASKER

Yeah, I know there would be a problem with the mail server because it must have static IP. That would be a big help if I could give an internet connection to one of my servers or computer as shared internet and everybody else could be able to use that internet. I know that i would be slow but just for temporary reason i lt would be better than nothing.
What do you think is that possible to share the internet like that?
Thanks
That is what a router that can support 3g does. It will allow you to route the traffic correctly, without having to touch any of the clients to change their default gateway.

Simon.
Ok, but at the moment I have a domain controller that is a DHCP server too. How should i configure the network to witk with this 3G router?
I am not saying use an additional router, I am saying that you replace the router you have with one that can take a 3g stick. If you look at the products I mentioned in the first instance they are on there.

If you really want to put a second router in place then you should shorten the lease time in DHCP so that any changes to the default gateway are replicated quickly. Anything with a static address would have to be changed manually.

Simon.
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paulfarmer

I agree with Simon; while you can certainly make your current router do that somehow...you can also use a rake to dig a ditch, but it’s a lot easier with a shovel. Get a router that has a slot for the 3g stick.  The ones suggested above are great...the Peplink like I use is great.  

With the correct equipment, no special setup or changes are necessary on your part when one WAN goes down.  When one of our two goes down here, no one ever knows.  

With Peplink, you direct certain traffic to always use a particular WAN if you want, or just let it auto balance on its own. I would assume other brands also offer that feature.