Configuring Computers On The Lan - 3Com 3C16771 Quick Start Manual

Configuring Computers on the LAN

After completing the initial configuration, the Installation Wizard will display a page with
instructions to configure the computers on your LAN. Complete either 9A or 9B depending
on answers in the Wizard.
A
DHCP Server Enabled
If you enabled the Internet Firewall DHCP server, you will see a screen similar to the following:
After the Internet Firewall has restarted, change the network settings on the computers on the LAN.
Each computer on the LAN must be configured to get its IP address dynamically.
Restart the computers on the LAN to complete the update of their network settings.
The Internet Firewall is now functioning and protecting the LAN from Internet-based attacks and
break-ins.
On a Windows computer, do the following:
1 From the Start menu, choose Settings.
2 Then choose Control Panel.
3 Double-click the Network icon.
4 Then double-click TCP/IP.
5 Click Obtain an IP Address Automatically.
6 Click OK and then click OK again.
B
DHCP Server Disabled
If you did not enable the Internet Firewall DHCP server, you will see a screen similar to the
following:
After the Internet Firewall has restarted, change the network settings on the computers on the LAN.
Configure each computer with a static IP address on the same subnet as the Internet Firewall's IP
address.
Restart the computers on the LAN to complete the update of their network settings.
The Internet Firewall is now functioning and protecting the LAN from Internet-based attacks and
break-ins.
!
Print this screen. You will need
the information to properly
configure the computers on
your LAN.
On a Windows computer, do the following:
1 From the Start menu, choose Settings.
2 Then choose Control Panel.
3 Double-click the Network icon.
4 Then double-click TCP/IP.
5 Click Specify an IP address.
6 Enter an IP address in the range indicated in your
Wizard restart screen in the IP Address field.
7 Enter the subnet mask indicated in your Wizard
restart screen in the Subnet Mask field.
8 Clear any existing information in the Gateway
tab and add the New gateway as shown in your
Wizard restart screen.
9 Click on the DNS Configuration tab and add the
DNS server information provided by your ISP.
10 Click OK and then click OK again.