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ZyXEL Communications ZyXEL ZyAIR 100 User Manual

Page 394

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ZyWALL 10~100 Series Internet Security Gateway

29-14 NAT

Figure 29-14 NAT Example 3

Step 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) in Figure 29-15.

Step 2. Then enter 15 from the main menu.
Step 3. Enter 1 to configure the Address Mapping Sets.
Step 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.

Step 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). (See Figure 29-16).

Step 6. Repeat the previous step for rules 2 to 4 as outlined above.
Step 7. When finished, menu 15.1.1 should look like as shown in Figure 29-17.