Figure 159 Nat Example 3 - ZyXEL Communications ZyAIR G-2000 Plus User Manual

ZyAIR G-2000 Plus User's Guide
4 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 159 NAT Example 3

1 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)
2 Then enter 15 from the main menu.
3 Enter 1 to configure the Address Mapping Sets.
4 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.
5 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)
6 Repeat the previous step for rules 2 to 4 as outlined above.
7 When finished, menu 15.1.1.1 should look like as shown in Example 3: Final Menu
15.1.1.
305
see Figure 161.
Chapter 28 Network Address Translation (NAT)
see Figure 139.