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Prestige 660H/HW Series User’s Guide
277 Chapter 29 Network Address Translation (NAT)
Figure 167 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.
Figure 168 Menu 15.2.1 Specifying an Inside Server
Menu 15.2.1 - NAT Server Setup (Used for SUA Only)
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 192.168.1.10
2. 0 0 0.0.0.0
3. 0 0 0.0.0.0
4. 0 0 0.0.0.0
5. 0 0 0.0.0.0
6. 0 0 0.0.0.0
7. 0 0 0.0.0.0
8. 0 0 0.0.0.0
9. 0 0 0.0.0.0
10. 0 0 0.0.0.0
11. 0 0 0.0.0.0
12. 0 0 0.0.0.0
Press ENTER to Confirm or ESC to Cancel:
29.5.3 Example 3: Multiple Public IP Addresses With Inside Servers
In this example, there are 3 IGAs from our ISP. There are many departments but two have
their own FTP server. All departments share the same router. The example will reserve one
IGA for each department with an FTP server and all departments use the other IGA. Map the
FTP servers to the first two IGAs and the other LAN traffic to the remaining IGA. Map the
third IGA to an inside web server and mail server. Four rules need to be configured, two bi-
directional and two unidirectional as follows.
Map the first IGA to the first inside FTP server for FTP traffic in both directions (1 : 1
mapping, giving both local and global IP addresses).
Map the second IGA to our second inside FTP server for FTP traffic in both directions (1 : 1
mapping, giving both local and global IP addresses).