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5 multiple public and private ip address mappings, Multiple public and private ip address mappings – ZyXEL Communications P-660HN-TxA User Manual

Page 52

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Chapter 4 Tutorials

P-660HN-TxA User’s Guide

52

4.5 Multiple Public and Private IP Address
Mappings

If your ISP gives you more than one static IP address for your Internet access,
you can map each IP address for a specific service. This tutorial assumes you are
given two static public IP addresses. You want to map them to two servers A and
B.

This tutorial uses the following example settings:

To do this, you can use either of the following settings:

• Full Feature NAT with many-to-many no overload mapping
• Full Feature NAT with one-to-one mapping

Table 6 IP Settings in this Tutorial

DEVICE / COMPUTER

IP ADDRESS

The ZyXEL Device’s WAN

172.16.1.253 (IP-1)

172.16.1.254 (IP-2)

The ZyXEL Device’s LAN

192.168.1.1

A

192.168.1.2

B

192.168.1.3

C

a.b.c.d

A

B

IP-1

IP-2

C