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Connecting to 2 separate networks

Microsoft Windows xp professional w/serv...
March 10, 2010 at 08:13:38
Specs: Windows XP
Ok here is the setup. We are a small business running a linux server with 3 workstations. This server is running POS software and is about 10 years old. ( Old I know but the owners won't replace it and I have been trying for many years) Anyway the 3 workstations are connected to the server through a hub. Now there is also another computer that is standalone and is NOT on the network. A few years back they decided to get internet access for this computer. I had them order a wireless router from Verizon figuring they would also want to have their laptop accessing the internet as well. So we have 2 different networks, on is wired and one is wireless. Ok now the problem. They want internet access on the three wired computers. I believe the simpliest solution would be to just connect the dsl to the server and then wire the standalone computer to the server as well, however I have NO linux experience so I have no idea how to accomplish this. My second thought was to just buy wireless adapters for the the 3 computers and then they could access the internet through the wireless. So that is what I did. However, I can't be on both at the same time, I have to disable the wired network in order to be able to use the wireless. I believe this is because they have different subnets and different default gateways. So how can I make this work??

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March 10, 2010 at 09:55:30
Why don't you simply connect one of the LAN ports of the wireless router to the HUB, where the 3 other computers are connected to?
So they can use the wired connection and don't need any wireless card.

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March 10, 2010 at 10:10:56
post the results of an ipconfig /all from a workstation for review.

You have to address the gateway/subnet issue before you do any reconnecting as suggested.

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March 10, 2010 at 10:17:32
Anyway the 3 workstations are connected to the server through a hub

Wait a minute. There's a world of difference between a hub, a switch and a SOHO Router. It would be helpful to also know which of the above you have. Please post make/model for the device in question.

Pauls suggestion is the simplest solution. However, if you wish to keep both networks separate then you'll want to use a SOHO Router to join the two networks. For more information on adding a second router, click on my name above in my response and read my "how-to" guide on "adding a second router"

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March 10, 2010 at 10:26:58
pauls suggestion can not work until the lan card ip is addressed. Remember the comment of two gateways? If linux is being a dhcp server and so is the router you have a mess.

We need to see the output from ipconfig /all to determine what is what concering ip addressing and where those ips are coming from.

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March 10, 2010 at 10:40:16
The IPconfig is as follows:

Ip address
Default Gateway

IP address

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March 10, 2010 at 10:41:07
BTW the dsl router is dhcp and the server is not.

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March 10, 2010 at 10:42:53
Also if I just connect the router to the hub won't I have some configuration to do on the server??

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March 10, 2010 at 11:26:11
BTW I asked for a ipconfig /all since that tells me if static or dhcp workstation ip assignment. I am going to assume from your statement the server and workstations have static ip.

What you want to do is go into the router and disable the dhcp server.

You change the lan from
to in the router.

I am assuming you have no true gateway since you have not had internet connection.

Once you make these changes in the router you can then connect it to the hub and yank out the wireless cards. You will have internet access to all workstations and server without having to make any changes on the linux box.

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March 10, 2010 at 12:05:56
Sorry I couldn't do an ipconfig /all because I am not in the same building right now. I was going from memory. Thanks you for your suggestion, i will try this out tomorrow.

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