Figure 145 nat example 3 – ZyXEL Communications P-660H-D Series User Manual

Page 241

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P-660R/H-D Series User’s Guide

Chapter 26 Network Address Translation (NAT)

240

Map the other outgoing LAN traffic to IGA3 (Many : 1 mapping).

You also map your third IGA to the web server and mail server on the LAN. Type Server
allows you to specify multiple servers, of different types, to other computers behind NAT on
the LAN.

The example situation looks somewhat like this:

Figure 145 NAT Example 3

In this case you need to configure Address Mapping Set 1 from Menu 15.1 - Address
Mapping Sets.
Therefore you must choose the Full Feature option from the Network
Address Translation
field (in menu 4 or menu 11.3) in

Figure 146 on page 241

.

1 Enter 15 from the main menu.

2 Enter 1 to configure the Address Mapping Sets.

3 Enter 1 to begin configuring this new set. Enter a Set Name, choose the Edit Action and

then enter 1 for the Select Rule field. Press [ENTER] to confirm.

4 Select Type as One-to-One (direct mapping for packets going both ways), and enter the

local Start IP as 192.168.1.10 (the IP address of FTP Server 1), the global Start IP as
10.132.50.1 (our first IGA). (See

Figure 147 on page 241

).

5 Repeat the previous step for rules 2 to 4 as outlined above.

When finished, menu 15.1.1 should look like as shown in

Figure 148 on page 242

.

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