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Sharing a cable modem with W2K Server

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by cuss

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Here's the deal.
I have a small office, 5 workstations (win 98 & 95), 1 server (W2K Server sp1). I recently connected the server to cable, and tried to share it with the workstaions. A friend told me to install a second nic on the server, and use DHCP on that nic, the cable NIC is set to obtain an IP address automatically. Scope of the DHCP, 192.168.0.0 to 192.168.0.254, subnet 255.255.255.0. IP for the cable NIC 24.200.... , subnet 255.255.255.0. IP for the second NIC 192.168.0.1. My friend keeps changing his suggestions, but no luck sharing the internet connection. By the way the Lan works fine and the server can browse the internet. Any suggestions?

7 replies

by michael.goff

To enable Internet Connection Sharing on a network connection:

In Control Panel, double-click Network and Dial-Up Connections.

Right-click the connection you want to share, and then click Properties.

On the Sharing tab, click to select the Enable Internet Connection Sharing for this connection check box.

If the connection you are sharing is a Dial-up connection and you want the connection to dial automatically when another computer on your home network attempts to use external resources, click to select the "Enable on-demand dialing" check box.

To enable ICS, you must have administrative rights.

You should not use this feature on a computer running DNS server or DHCP server or a Windows 2000 Domain Controller.. Whenyou enable ICS, the network adapter connected to the home or small office network is given a new static IP address configuration. Existing TCP/IP connections on the CS computer are lost and need to be re-established.

The Internet Connection Sharing feature is intended for use in a small office or home office so the network configuration and the Internet connection are managed by the Windows 2000-based computer on which the shared connection resides.

You cannot modify the default network configuration after enabling ICS. This includes items such as the range of private IP addresses that are handed out (DHCP allocator), enabling or disabling DNS, configuring a range of public IP addresses, or configuring inbound mappings.

by michael.goff

Another method is to buy a router either by
netgear or linksys (no more than $150). attach your cable modem to the router then the router a hub/switch and your server/clients to the hub/switch

why use 2 nics when a router can handle it all including
basic firewall protection, NAT, and it can do dhcp (20 client limit).

by tweakyterrase

Yes, get rid of your friend! First and foremost, Internet Connection Sharing is a software solution. If you at all value speed and functionality of your server, NEVER USE SOFTWARE TO SOLVE A HARDWARE PROBLEM! For crying out loud, go and bye a router as mention in Answer 2. It might cost an additional eighty bucks over the price of a second nic, but you server's speed will more than compensate for the money.

PS If you do buy a router, try not to tell your ISP(especially AT&T@home), becasue unless you are paying for a business line, the tech rep might see the router as a terms of service violation(only if you sell your bandwidth to other people is it a violation). I asure you it is not, but why bother trying to explaain to some interductory level tech what exactly you are doing with you system.

On a side note, I actually knew an @home user who was yelled at by a phone tech because he said that he had a router on his service. It took a conference call between him, the phone tech, and the tech's supervisor to straighten everything out.

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