Chapter 36 Network Address Translation (NAT)

2Map 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).

3Map the other outgoing LAN traffic to IGA3 (Many : 1 mapping).

4You 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 356 NAT Example 3

1In 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 357 on page 534.

2Then enter 15 from the main menu.

3Enter 1 to configure the Address Mapping Sets.

4Enter 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.

5Select 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 358 on page 534).

6Repeat the previous step for rules 2 to 4 as outlined above.

7When finished, menu 15.1.1 should look like as shown in Figure 359 on page 535.

 

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