ZyXEL Communications P-660RU-T V2 - Manual (Page 96)

Chapter 12 Network Address Translation (NAT) Screens
P-660RU-T v2 User’s Guide
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12.3.3 Configuring Servers Behind SUA (Example)
Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server (A in the
example), port 80 to another (B in the example) and assign a default server IP address of
192.168.1.35 to a third (C in the example). You assign the LAN IP addresses and the ISP
assigns the WAN IP address. The NAT network appears as a single host on the Internet.
IP address assigned by ISP.
Figure 44 Multiple Servers Behind NAT Example
12.4 Selecting the NAT Mode
Click NAT to open the following screen.
Figure 45 NAT Mode
The following table describes the labels in this screen.
Table 22 NAT Mode
LABEL DESCRIPTION
None Select this radio button to disable NAT.
SUA Only Select this radio button if you have just one public WAN IP address for your ZyXEL
Device. The ZyXEL Device uses Address Mapping Set 1 in the NAT - Edit SUA/NAT
Server Set screen.
Edit Details Click this link to go to the NAT - Edit SUA/NAT Server Set screen.
Full Feature Select this radio button if you have multiple public WAN IP addresses for your ZyXEL
Device.