ZyXEL Communications 2602HW Series Network Router User Manual


 
Prestige 2602HW Series User’s Guide
118 Chapter 8 Network Address Translation (NAT) Screens
8.3.3 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 43 Multiple Servers Behind NAT Example
8.4 Selecting the NAT Mode
You must create a firewall rule in addition to setting up SUA/NAT, to allow traffic from the
WAN to be forwarded through the Prestige.
Click NAT to open the following screen.
Figure 44 NAT Mode
The following table describes the labels in this screen.
Table 28 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 Prestige.
The Prestige 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.