Before You Start | Gateway 400 User Guide
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If the DHCP server is disabled, you will need to assign a fixed IP address to connect your computer
to the gateway. This IP address depends on which LAN port of the Gateway 400 is used. Change the
LAN settings on your computer as follows:
If necessary, also refer to Chapter 6, Frequently Asked Questions, on page 48.
1.4.1 Network Settings
The DHCP server of the Gateway 400 is enabled by default and automatically assigns IP addresses
to the network devices in the network. The following parameters must be set in the network set-
tings of your computer (in Windows, under Properties of the LAN connection):
Obtain an IP address automatically must be enabled.
Obtain DNS server address automatically must be enabled.
The precise designation of the settings may differ, depending on the operating system used. Please
refer to the online help of your operating system (e.g., by pressing the Windows key and the F1
function key ). A screen dialog appears. Enter TCP/IP settings in the Search field.
1.4.2 Fixed IP Address
If you want to assign static IP addresses even though the DHCP server is enabled, you should use IP
addresses from the following ranges:
For network devices connected to the LAN 1 socket:
192.168.100.2 through 192.168.100.49
192.168.100.81 through 192.168.100.254
For network devices connected to the LAN 2 socket:
192.168.200.2 through 192.168.200.49
192.168.200.81 through 192.168.200.254
Socket Fixed IP address Subnet mask
LAN 1 192.168.100.100 255.255.255.0
LAN 2 192.168.200.100 255.255.255.0
Note
These are the default IP address ranges. The range of fixed IP addresses available de-
pends on the IP address range that is not managed by the DHCP server (see DHCP Server
LAN on page 32).
The IP address ranges 192.168.100.50 to 192.168.100.80 and 192.168.200.50 to
192.168.200.80 are managed by the DHCP server. If these ranges are changed, the range
of assignable fixed IP addresses will automatically change as well.
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