ZyXEL Communications 70 Series User Manual

ZyWALL 5/35/70 Series User’s Guide

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Chapter 42 Network Address Translation (NAT)

Note: If you do not assign a Default Server IP address, the ZyWALL discards all 

packets received for ports that are not specified here or in the remote 
management setup.

Follow these steps to configure a server behind NAT:

1 Enter 15 in the main menu to go to Menu 15 - NAT Setup.

2 Enter 2 to open menu 15.2 (and configure the address mapping rules for the WAN port on 

a ZyWALL with a single WAN port).

Figure 320   Menu 15.2: NAT Server Sets

3 Enter 1 or 2 to go to Menu 15.2.x - NAT Server Setup and configure the address 

mapping rules for the WAN 1 or WAN 2 port on a ZyWALL with multiple WAN ports. 

Server 

Mapping 

Set

This field is available only when you select Server in the Type field.

Once you have finished configuring a rule in this menu, press [ENTER] at the message “Press ENTER 

to Confirm…” to save your configuration, or press [ESC] to cancel.

Table 217   Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set

      Menu 15.2 - NAT Server Sets

 1. Server Set 1
 2. Server Set 2

       Enter Set Number to Edit: