ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 424)

ZyWALL 2 Series User’s Guide
28-10 NAT
28.4.1 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 28-10 NAT Example 1
Figure 28-11 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 28.4. 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: