2 IP Adressess

[Abrar Hazarika]

Our network has a NT4 server with 13 Win 98 clients connected to HUB. We access internet by dial up. Now the company is giving internet by 10 BaseT cable and static IP adressess to us. So now if we configure any our pc with their given IP address then that pc goes out of company LAN. Also where to connect the cable in the our HUB.

How can 2 IP Addresses co exist?

Any help will be appreciated.

[Ed Grey]

The Windows 98 machines are not going to be able to have two IP addresses on a single NIC.

I would recommend one of the following:

Move all of the network devices (server, workstations, printers, etc.) to the new IP addressing scheme. This will give your people internet access and still allow them to operate on the LAN.

-or-

Configure the router for network address translation. This way you don't have to make any adjustments to the IP addresses of network devices on your LAN (just need to specify the new gateway), and you'll be able to hit the internet through the router.

For that small of a network, it might be easier to go with the new IP addresses on all the network devices, unless there's some overriding reason not to.

Ed

[Abrar Hazarika]

Sorry Ed, I forgot to mention that the company is providing us with only one IP address which we have to use to access the net.

You are very much right on the point.
Will this additional info help ?

thanks

[Abrar Hazarika]

we dont have a router, we only use a hub for the network.
Also by company i meant the ISP. They are going to give us only one IP Address for sharing among our clients.

[Ed Grey]

Ah, that changes things a bit. There's got to be a router involved somewhere between your network and the connection to your ISP ... But, if they're maintaining and configuring that (which sounds like is the case) they may not want to set up NAT for you.

But, you've got an NT server which can help in that regard. Put a second NIC into the NT server, and configure it with the IP information from your ISP. Connect that to the feed from your ISP. (the ISP feed should not connect to the hub, but rather go directly to the second NIC on the NT server).

Then, install the proxy software of your choice on the NT server, such as MS Proxy Server, WinGate, etc. -- anything with built-in routing and network address translation will do.

The one change you will need to make on your workstations is to use the NT server's internal IP address (i.e., the one that's already in place and connected to your hub) as the default gateway.

Good luck!

[Abrar Hazarika]

Thanks a lot.
The problem is solved and the network is working fine. I knew the solution but was not sure of it.
Thanks for validating the solution.
POints are already there.