ZyXEL Communications Broadband Security Gateway P-312, User Manual, Page: 88 / 254

P312 Broadband Security Gateway
NAT 6-15
6.4.2 Example 2 – Internet Access with an Inside Server
Figure 6-14 NAT Example 2
In this case, we 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.
Figure 6-15 Specifying an Inside Sever
6.4.3 Example 3 – General Case
In this example, we have 3 IGAs from our ISP. We have many departments but two have their own FTP
server. All departments share the same router. We want to reserve 1 IGA for each department with an FTP
Menu 15.2 - NAT Server Setup
Port #
----
IP Address
---------------
1
.
Default
192.168.1.10
2.0 0.0.0.0
3.0 0.0.0.0
4.0 0.0.0.0
5.0 0.0.0.0
6. 0 0.0.0.0
7. 0 0.0.0.0
8. 0 0.0.0.0
9. 0 0.0.0.0
10. 0 0.0.0.0
11. 0 0.0.0.0
12. 1025 RR Reserved
Press ENTER to Confirm or ESC to Cancel: