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General and Network Settings Page 81
•The SonicWALL WAN IP (NAT Public) Address is "10.1.1.25".
•The private SonicWALL LAN IP Address is "192.168.168.1".
• Computers on the LAN have private IP addresses ranging from "192.168.168.2" to
"192.168.168.255".
In this example, "192.168.168.1", the SonicWALL LAN IP Address, is used as the gateway or router
address for all computers on the LAN.
NAT with DHCP Client Configuration
The SonicWALL can receive an IP address from a DHCP server on the Internet. If your ISP did not
provide you with a valid IP address, and instructed you to set your network settings to obtain an IP
address automatically, enable NAT with DHCP Client. This mode is typically used with Cable and DSL
connections.
To obtain IP settings dynamically, complete the following instructions.
1. Select NAT with DHCP Client from the Network Addressing Mode menu.
2. Enter a unique IP address from your LAN address range in the SonicWALL LAN IP Address field.
The SonicWALL LAN IP Address is the address assigned to the SonicWALL LAN and is used for
management of the SonicWALL.
3. Enter your network subnet mask in the LAN Subnet Mask field. The LAN Subnet Mask tells your
SonicWALL which IP addresses are on your LAN. The default value, "255.255.255.0", supports
up to 254 IP addresses.
4. Click Update. Once the SonicWALL has been updated, a message confirming the update is
displayed at the bottom of the browser window. Restart the SonicWALL for these changes to
take effect.
Alert! When NAT is enabled, designate the SonicWALL LAN IP Address as the gateway address for
computers on the LAN.