ZyXEL Communications unified security gateway User Manual

Chapter 4 Installation Setup Wizard

ZyWALL USG 20/20W User’s Guide

The screens vary depending on the encapsulation type. Refer to information 
provided by your ISP to know what to enter in each field. Leave a field blank if you 
don’t have that information. 

Note: Enter the Internet access information exactly as your ISP gave it to you.

Figure 24   Internet Access: Step 1

 

 

• Encapsulation: Choose the Ethernet option when the WAN port is used as a 

regular Ethernet. Otherwise, choose PPPoE or PPTP for a dial-up connection 

according to the information from your ISP.

• WAN Interface: This is the interface you are configuring for Internet access.
• Zone: This is the security zone to which this interface and Internet connection 

belong.

• IP Address Assignment: Select Auto if your ISP did not assign you a fixed IP 

address. 

Select Static if the ISP assigned a fixed IP address.

This screen is read-only if you set the previous screen’s IP Address Assignment 
field to Auto. Use this screen to configure your IP address settings. 

Note: Enter the Internet access information exactly as given to you by your ISP.

Figure 25   Internet Access: Ethernet Encapsulation   

• Encapsulation: This displays the type of Internet connection you are 

configuring.

• First WAN Interface: This is the number of the interface that will connect with 

your ISP.

• Zone: This is the security zone to which this interface and Internet connection 

will belong.