ZyXEL 2WG 用户指南

Chapter 39 Network Address Translation (NAT)

ZyWALL 2WG User’s Guide

The following table describes the fields in this menu.

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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.

Figure 382   Menu 15.2: NAT Server Sets

Table 225   Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set

Type

Press [SPACE BAR] and then [ENTER] to select from a total of five types. These are the 

mapping types discussed in 

. Server allows you to specify multiple 

servers of different types behind NAT to this computer. See 

 

for 

an example.

Local IP

Only local IP fields are N/A for server; Global IP fields MUST be set for Server.

Start

Enter the starting local IP address (ILA).

End

Enter the ending local IP address (ILA). If the rule is for all local IPs, then put the Start IP 

as 0.0.0.0 and the End IP as 255.255.255.255. This field is N/A for One-to-One and Server 

types.

Global IP

Start

Enter the starting global IP address (IGA). If you have a dynamic IP, enter 0.0.0.0 as the 

Global IP Start. Note that Global IP Start can be set to 0.0.0.0 only if the types are Many-

to-One or Server.

End

Enter the ending global IP address (IGA). This field is N/A for One-to-One, Many-to-One 

and Server types.

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.

      Menu 15.2 - NAT Server Sets

 1. Server Set 1
 2. Server Set 2

       Enter Set Number to Edit: