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Dual Net Cards and DSL Modems

Trish's Escape from Hardware Hell Help Board » Hardware » Networking, Modems and Connectivity » Dual Net Cards and DSL Modems « Previous Next »

Author Message
Danny Albers
Posted on Monday, May 8, 2000 - 6:46 pm:   

I have been working on a peer to peer network.

Here is what I am up against.

Both are Win98
One has a D-Link PCI netcard connected to a DSL modem. As well, there is a Kingston EtherRX PCI card connecting to a second computer. All cabling is fine.

I have TCP/IP bound to both cards. I have static IP address of ( a non-routable address) bound to the LAN (kingston) card, and Bell Sympatico dialer assigns an IP address dynamically to the D-Link card each time I connect. It will not work any other way.

When I use Windows 98SE built in internet connection sharing, the Sympatico "dialer" will not detect the D-Link card. So that is out.

My solution is to use Proxy sharing software, as there are lots of good ones.

The problem. I need to have the LAN running TCP/IP for this. The 2nd computer is configured and works fine, with a static IP of and both systems have a subnet mask of

However, whenever I attempt to browse the network, the DSL modem lights flash like crazy and I get the usual unable to browse the network. The 2nd computer is completely unable to Ping the first.

Sounds like a cable problem, I know, but when I add NetBEUI and bind it to the Kingston net card, and the other system, I can do network neighborhood and map drives, etc..., but I still cant ping!!!

I beleive that Windows 98 sees the TCP as one protocol for bound to two devices, and it is giving preference only to the DSL connected device. I want to specify LAN use this card and WAN use this one. I have taken care to try almost every possible combination of clients and services suitable for peer-to-peer.

Anyone have any idea where I can go from here? I cannot use NetBEUI to proxy. Any help, even guesses, would be more than welcome.

Posted on Tuesday, May 9, 2000 - 4:15 am:   

Not sure if I followed along with a full understanding, but you might check out:

Here is a extract:

Exception 4: Multiple IPs
The only case in which you can't create a separate network is if you are using the multiple IP address method of sharing.
In order for the multiple IP address method to work, all computers that require Internet access need to be connected directly to the ISP's network, usually via a hub or switch.
In the Multiple IP method, you need only one NIC per computer.

If not, he still has a lot of good info that may help.
Danny Albers
Posted on Tuesday, May 9, 2000 - 1:19 pm:   

Thanks, the problem is that if I connect the DSL modem on a hub, I can only have two other devices on the hub according to the manufacturer instructions that accompanied the DSL modem.

I am going to check out the site though, and thanks for the tip!!!!
Vann Stockwell
Posted on Saturday, June 24, 2000 - 8:28 pm:   

You can either bind your LAN to IPX/SPX and not bind your DSL to that. You can have no other protocols on your DSL modem besides TCP/IP. Another problem that you might have is how many TCP/IPs do you have. If you are using AOL 5 it puts two TCP/IP in your network stack and after you reach five TCP/IPs in your stack you start to have problems. Give me what is in your network stack and I will give you a better answer.
Danny Albers (Danny)
Posted on Sunday, June 25, 2000 - 10:20 am:   

Actually got this working great with a simple $30 hub, but thanks.

I was unaware that you can use IPX/SPX to internet share over a LAN, are you sure on that? I dont think my email clients or IE would like that one very much.

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