ZyXEL Communications 202H - Manual (Page 123)

Prestige 202H User’s Guide
Dial-in Setup 11-17
11.5.2 Example 2: Internet Access with an Inside Server
Figure 11-15 NAT Example 2
In this case, you do exactly as above (use the convenient pre-configured SUA Only set) and also go to menu
15.2 to specify the Inside Server behind the NAT as shown in the next figure.