ZyXEL Communications Prestige 314 PLUS User Manual page 82

Prestige 314 PLUS Broadband Sharing Gateway with 4-Port Switch
Rule 2. Map the second IGA to our second inside FTP server for FTP traffic in both directions (1 : 1
mapping, giving both local and global IP addresses).
Rule 3. Map the other outgoing LAN traffic to IGA3 (Many : 1 mapping).
Rule 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:
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 4-16.
Step 1. Then enter 15 from the main menu.
Step 2. Enter 1 to configure the Address Mapping Sets.
4-18
Figure 4-15 NAT Example 3
NAT