- Each PC's TCP/IP settings must be correct.
- PCs must also be configured for Internet access via
the LAN, rather than by a dial-up connection.
If you use the DHCP Server function:
Configure each PC to be a DHCP client, as follows:
- Select the Network Neighborhood icon on the desktop, then Properties. You will see a screen like the one below:

Figure 1: Network Configuration tab
- If a line like the one highlighted ("TCP/IP -> Network Card") is not listed, select Add-Protocol-Microsoft-TCP/IP-OK to add it.
- Select Properties for the
"TCP/IP -> Network card" entry. You will then see a screen like the
following example:

Figure 2: TCP/IP Properties - DHCP
- On the IP Address tab, click the radio button for
"Obtain an IP address automatically", as above, then reboot.
Your PC will obtain an IP Address from the Level One ISDN Router.
If your LAN already has a DHCP server:
- On the LAN Tab, disable the DHCP server in the Level One ISDN Router.
- Configure your existing DHCP server to provide the
Level One ISDN Router's IP Address as the "Default
Gateway".
If your LAN has a Router or Routers
- Do NOT change any TCP/IP settings on any PC.
- Configure the router. See Routing for details.
If you use static (fixed) IP Addresses:
- Do NOT change the settings on the IP Address tab shown in Figure 2.
- Set the Gateway tab, set the Default Gateway Address to the Level One ISDN Router's IP IP Address.
- On the DNS tab, enter the same value as used when configuring the Level One ISDN Router.
For Internet access, each PC must be configured for Internet access via the LAN, rather than by dial-up connection. In Windows 95/98:
- Select Start Menu - Settings - Control Panel - Internet Settings.
- Select the Connection tab, and then click the Setup button to start the Connection Wizard.
- Set the Internet access to "via local area network (LAN)".
Do NOT enable any of the options associated with this choice.
- Check the "No" option when prompted "Do you want to set up an Internet mail account now?".
- Click "Finish" to close the Internet Connection Wizard.
You can now access the Internet using your Web Browser, E-Mail client, FTP client, etc. Note that your E-Mail client needs to be configured with details of your E-Mail account.