Select the type of IP address you get from your ISP for the interface.
Select this option if your Firebox will receive an IP address automatically from a DHCP server run by your ISP.
Select this option if your ISP uses PPPoE to give IP addresses. If you must type a user name and passphrase to connect with PPPoE, make sure you enter it in the wizard.
Static IP Addressing
Select this option if you know your IP address and must type it manually.