Prestige 334 User’s Guide

25.5.1 Example 1: Internet Access Only

In the following Internet access example, you only need one rule where the ILAs (Inside Local Addresses) of computers A through D map to one dynamic IGA (Inside Global Address) assigned by your ISP.

Figure 120 NAT Example 1

Figure 121 Menu 4 Internet Access & NAT Example

Menu 4 - Internet Access Setup

ISP's Name= MyISP

Encapsulation= Ethernet

Service Type= Standard

My Login= N/A

My Password= N/A

Retype to Confirm= N/A

Login Server= N/A

Relogin Every (min)= N/A

IP Address Assignment= Dynamic

IP Address= N/A

IP Subnet Mask= N/A

Gateway IP Address= N/A

Network Address Translation = SUA Only

Press ENTER to Confirm or ESC to Cancel:

From menu 4, choose the SUA Only option from the Network Address Translation field. This is the Many-to-One mapping discussed in section General NAT Examples. The SUA Only read-only option from the Network Address Translation field in menus 4 and 11.3 is specifically pre-configured to handle this case.

25.5.2 Example 2: Internet Access with an Inside Server

The dynamic Inside Global Address is assigned by the ISP.

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Chapter 25 Network Address Translation (NAT)