ZyXEL Communications ZYWALL10 User Manual
ZyWALL 10 Internet Security Gateway
NAT
6-15
6.4 Examples
6.4.1 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.
addresses) map to one dynamic IGA (Inside Global Address) assigned by your ISP.
Figure 6-12 NAT Example 1
Figure 6-13 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 6.1.4. The SUA Only read only option from
field. This is the Many-to-One mapping discussed in section 6.1.4. The SUA Only read only option from
Menu 4 - Internet Access Setup
ISP's Name= ChangeMe
Encapsulation= Ethernet
Service Type= Standard
My Login= N/A
My Password= N/A
Login Server IP= N/A
Encapsulation= Ethernet
Service Type= Standard
My Login= N/A
My Password= N/A
Login Server IP= 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
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: