Configuring Servers Behind Sua (Example); Selecting The Nat Mode; Figure 23 Multiple Servers Behind Nat Example; Figure 24 Nat Mode - ZyXEL Communications PRESTIGE 2602R Series User Manual

Prestige 2602R Series User's Guide

6.3.3 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 23 Multiple Servers Behind NAT Example

6.4 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 24 NAT Mode

The following table describes the labels in this screen.

Table 10 NAT Mode

LABEL
None
SUA Only
Edit Details
79
DESCRIPTION
Select this radio button to disable NAT.
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.
Click this link to go to the NAT - Edit SUA/NAT Server Set screen.
Chapter 6 Network Address Translation (NAT) Screens