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bridge network cards

By debbie ·
Ok I have a small home network. Server is Linex. 2 PC with win98SE. All has been working fine.. we share the internet through the server... share printers. All are connected using the older round connectors (sorry I don't know what they are called). Now I have a laptop with XP. The laptop is connected to one of the desktops through module network connection. And then the PC is connected to the rest of the network.
I have tried setting up the gateway for the laptop to be the pc that it's connected to and then tried using the main gateway and the laptop cannot connect to the other computers on the network. My dad says I need to bridge the two network cards that are in the desktop, that the laptop is connected to.... how ever in my searches I can find no info on doing this. Does anyone have any ideas or have you done this before???? thanks.

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bridge network cards

by bren1ron In reply to bridge network cards

Use a crossover cable to connect two network cards. Shop for cables that are labeled "crossover" with RJ45 connectors, Cat 5 cable.

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bridge network cards

by debbie In reply to bridge network cards

Sorry I was not more clear.... the modular type (is that a RJ45?) of cable that connects the laptop to the desktop PC is a cross over cable. If I ping from the laptop to either network card on the pc, it finds those, but I cannot ping from the laptop to any other computer on the network. IP address for laptop =192.168.2.2 IP address for connecting PC = 192.168.2.1 IP address for same PC to connect to main network = 192.168.1.3 IP address for Linex server, main gateway 192.168.1.1 IP address for other pc on main network = 192.168.1.2 Does that help?

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bridge network cards

by bohicam1 In reply to bridge network cards

I hope I have this clear. Your laptop is connected to a pc with 2 nic cards in it? One nic card has an address on the 192.168.1.x network and the other nic has an address of 192.168.2.x? is that right? The two nic cards are on different networks in that case. If the laptop has the 192.168.2.x nic card as it's gateway, then that nic card must have the second card (192.168.1.x) as it's gateway to get out of the puter. Why not have all the puters on one network? ie.. all on the 192.168.1.x network.then all nics can have the same gateway.
Good luck!

Mike

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bridge network cards

by debbie In reply to bridge network cards

Mike,
Thanks for your response. It sounds like you have it but let me explain further. Let's call laptop = A; Pc laptop connected to with cross over = B; other pc on main network = C; Linex server = D.

D, C, & B connected with old type network connectors the round ones. A & B connected with cross over cable. I was told that made two networks, could not be all on one.... my testing with IP addresses indicates that using one network doesn't work.

Trying these IP addresses: A = 2.2; B = 2.1 & 1.3; C= 1.2; D = 1.1. Gateway for 1.2 & 1.3 = 1.1; Gateway for 2.2 = 2.1; gateway for 2.1 = 1.3
I pinged from 2.2 to 2.2ok, to 2.1ok, to 1.3ok, to 1.2No, to 1.1No, to yahoo.com No.
I pinged from 2.1 to 2.2ok, to 2.1ok, to 1.3ok, to 1.2ok, to 1.1ok, to yahoo.com NO.

The only way to get B (1.3/2.1) to be able to do "all things" is by having the gateway on both cards as 1.1

The only way to get them on one network would be to use one card in each with the same kind of connectors.... look for an adapter .... don't know if they make the one I's need.... or change all the PC cards for the newer type connectors (all crossovers?) or buy a hub. I'd rather not spend money unless it's the only way to make it work.

I need to be able to connect this laptop to other networks when I go to other businesses to do contract work...so there maybe additional questions.

If you can't help me thanks anyway.
Debbie

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bridge network cards

by cascom In reply to bridge network cards

Hi Debbie,
From past experience in people trying to do what you are attempting, it can't be done the way you are trying.
There are adapters available to convert RUJ45 to BNC (round ones) but they cost more than a hub.
Best way out unfortunately is to invest in a hub, at least then you will get all your network together.
Using a PC as a bridge is a very resource hungry exercise which requires either Linux or specialised (read expensive) software for Windoze.
Enjoy, Linux IS great...

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bridge network cards

by Shanghai Sam In reply to bridge network cards

Thanks so much for taking the time.... I'm going out to buy a hub today :)

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bridge network cards

by debbie In reply to bridge network cards

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