ZyXEL p-320w Guida Utente

P-320W User’s Guide

Chapter 8 Network Address Translation (NAT)

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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

Figure 56   Multiple Servers Behind NAT Example

Click the NAT link under Network to open the General screen.

Figure 57   NAT: General

The following table describes the labels in this screen.

Table 42   NAT: General

Enable Network 

Address 

Translation

Network Address Translation (NAT) allows the translation of an Internet protocol 

address used within one network (for example a private IP address used in a local 

network) to a different IP address known within another network (for example a 

public IP address used on the Internet). 
Select the check box to enable NAT.

Apply

Click Apply to save your changes back to the Prestige.

Reset

Click Reset to begin configuring this screen afresh.