ZyXEL Communications ZyXEL ZyWALL 35 - Manual (Page 481)

ZyWALL 35 User’s Guide
Chapter 34 Network Address Translation (NAT) 479
34.4 General NAT Examples
The following are some examples of NAT configuration.
34.4.1 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 282 NAT Example 1
Figure 283 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
the General NAT Examples
section . 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: