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1 example 1: internet access only, 2 example 2: internet access with an inside server – ZyXEL Communications P-334 User Manual

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Prestige 334 User’s Guide

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Chapter 25 Network Address Translation (NAT)

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

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.

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: