ZyXEL Communications ZyXEL ZyWALL 5 - Manual (Page 455)

ZyWALL 5 User’s Guide
454 Chapter 33 Network Address Translation (NAT)
33.4 General NAT Examples
The following are some examples of NAT configuration.
33.4.1 Internet Access Only
In the following Internet access example, you only need one rule where all your ILAs (Inside
Local addresses) map to one dynamic IGA (Inside Global Address) assigned by your ISP.
Figure 264 NAT Example 1
Figure 265 Menu 4: Internet Access & NAT Example
From menu 4 shown above, simply choose the SUA Only option from the Network Address
Translation field. This is the Many-to-One mapping discussed in
Section 33.4 on page 454 .
The SUA Only read-only option from the Network Address Translation field in menus 4
and 11.3 is specifically pre-configured to handle this case.
Menu 4 - Internet Access Setup
ISP's Name= ChangeMe
Encapsulation= Ethernet
Service Type= Standard
My Login= N/A
My Password= N/A
Retype to Confirm= N/A
Login Server= N/A
Relogin Every (min)= N/A
IP Address Assignment= Dynamic
IP Address= N/A
IP Subnet Mask= N/A
Gateway IP Address= N/A
Network Address Translation= SUA Only
Press ENTER to Confirm or ESC to Cancel: