SonicWALL Internet Security Appliances - Manual (Page 82)

General and Network Settings Page 83
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. Use the default value, "255.255.255.0", if
there are less than 254 computers on your LAN.
4. Enter the user name provided by your ISP in the User Name field. The user name identifies the
PPPoE client.
5. Enter the password provided by your ISP in the Password field. The password authenticates the
PPPoE session. This field is case sensitive.
6. Select the Disconnect after __ Minutes of Inactivity check box to automatically disconnect the
PPPoE connection after a specified period of inactivity. Define a maximum number of minutes
of inactivity in the Minutes field. This value can range from 1 to 99 minutes.
7. In the WAN/LAN section, select Obtain an IP Address Automatically if your ISP does not provide
a static IP address. Select Use the following IP Address if your ISP assigns a specific IP address
to you.
8. 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, the SonicWALL LAN IP Address is used as the gateway address for
computers on the LAN.
When your SonicWALL has successfully established a PPPoE connection, the Network page displays
the SonicWALL WAN IP settings. The WAN Gateway (Router) Address, SonicWALL WAN IP (NAT
Public) Address, WAN/LAN Subnet Mask, and DNS Servers are displayed.
Alert Enable and configure the SonicWALL DHCP server or manually configure client DNS settings
to obtain DNS name resolution.
Restarting the SonicWALL
Once the network settings have been updated, the Status bar at the bottom of the browser window
displays "Restart SonicWALL for changes to take effect." Restart the SonicWALL by clicking Restart.
Then click Yes to confirm the restart and send the restart command to the SonicWALL. The restart
can take up to 90 seconds, during which time the SonicWALL is inaccessible and all network traffic
through the SonicWALL is halted.
Alert If you change the SonicWALL LAN IP Address, you must to change the Management Station IP
address to be in the same subnet as the new LAN IP address.