User manual

Getting Started
32
Automatic configuration of your LAN
Note
If you changed the LAN connection settings, your CyberGuard SG appliance may be
uncontactable at this point. If this is the case, configure a single PC manually to access
the CyberGuard SG appliance by following the instructions in Manual Configuration of
your LAN before continuing.
Select DHCP Server from the Networking menu.
Click Add Server and configure the DHCP server with the following details:
• Gateway Address is the IP address of the CyberGuard SG appliance’s LAN
connection, or leave it blank.
• DNS Address is the IP address of the CyberGuard SG appliance’s LAN
connection, or leave it blank.
• WINS Address (optional) is the IP address of any existing WINS server on your
LAN.
• Default Lease Time and Maximum Lease Time should generally be left at their
default values.
• Initial Dynamic IP Address Range is a range of free IP addresses on your
LAN’s subnet for the CyberGuard SG appliance to hand out to PCs on your LAN.
Note
For a detailed description of configuring DHCP Server Settings, please the DHCP Server
section of the chapter entitled Network Connections.
Each PC on your LAN must now be set up to use DHCP.
An example is given below for setting a Windows PC for automatic configuration:
Click Start -> (Settings ->) Control Panel and double click Network Connections (or
in 95/98/Me, double click Network).
If presented with multiple connections, right click on Local Area Connection (or
appropriate network connection) and select Properties.