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Wifi On Domain

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  • Business Computing
Last response: in Business Computing
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May 7, 2013 9:49:46 AM

I have a domain, we have a public wifi through a different ISP, I want to set up the machines to be able to connect to the wifi "outside" of the domain so that in the cas that the server connection goes down we can still prepare a few machines to connect to the internet. If I plug a wifi adapter in how do i allow the machine to connect to the wifi connection.

More about : wifi domain

May 7, 2013 9:58:18 AM

I think I understand what you are looking at doing here, so perhaps I can work through this with you.

If you are wanting to set up your wireless network as basically a backup, non-domain network for your computer to access to in the event your primary network goes down, it can be done using standard wifi adapters, but it might not always be the best options, there are some down sides.

First, you can set up your LAN network with all your necessary information (IP, gateway, DNS, etc.) And then you can set up the connection information separately for the wifi adapter. If this wireless network is completely separate, then the DNS is probably going to be whatever you are given by your ISP, along with a gateway that is your wireless router or if you are using access points, then your primary router gateway. In the event that the first network connection goes down, you should still have network connectivity through the wireless network.

Now, there's some troubles with this I have seen. Sometimes the networks, since they are in completely different network ranges and have completely different network gateways, can cause conflicts. Sometimes I have seen this occur, other times it hasn't been a problem, but generally on a client machine you only want one network connection active at a time. If you are only worried about having internet access when your domain controller goes offline, then you wouldn't need to have a separate network adapter at all. You just need to set up your secondary DNS server on all computers as something from your outside ISP. That way if the first DNS server does not connect (which should be your domain controller) then it will try going to your secondary DNS server instead.

Of course, I could be completely confused and you are instead meaning you wish to set up your entire network, domain controller and everything, to fall back to the other wireless network in the event that your primary network has gone down, which is something much different and more difficult.
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