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3 configuring a server behind nat, Figure 327 menu 15.2: nat server sets – ZyXEL Communications ZyXEL ZyWALL 2WG User Manual

Page 540

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Chapter 37 Network Address Translation (NAT)

ZyWALL 2WG User’s Guide

540

The following table describes the fields in this menu.

37.3 Configuring a Server behind NAT

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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 327 Menu 15.2: NAT Server Sets

Table 220 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set

FIELD

DESCRIPTION

Type

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

mapping types discussed in

Chapter 17 on page 329

. Server allows you to specify multiple

servers of different types behind NAT to this computer. See

Section 37.4.3 on page 545

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: