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ZyXEL Communications ADSL2+ Ethernet/USB Gateway 660RU-Tx Series User Manual

Page 174

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Prestige 660RU-Tx Series User’s Guide

173

Chapter 21 Network Address Translation (NAT)

Figure 108 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 109

.

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 110

).

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 111

.

Figure 109 Example 3: Menu 11.3

The following figures show how to configure the first rule

Menu 11.3 - Remote Node Network Layer Options

IP Options: Bridge Options:
IP Address Assignment= Static Ethernet Addr Timeout (min)= 0
Rem IP Addr: 0.0.0.0
Rem Subnet Mask= 0.0.0.0
My WAN Addr= 0.0.0.0
NAT= Full Feature
Address Mapping Set= 2
Metric= 2
Private= No
RIP Direction= Both
Version= RIP-2B
Multicast= IGMP-v2
IP Policies=

Press ENTER to Confirm or ESC to Cancel: