ZyXEL Communications Prestige 662HW Series, Руководство пользователя

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Prestige 662HW Series User’s Guide
31-12 Network Address Translation (NAT)
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 31-15 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 31-16 .
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 31-17).
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 31-18 .