ZyXEL Communications HS100/HS100W manual General NAT Examples, Example 1 Internet Access Only

HomeSafe User’s Guide

Figure 25-9 Multiple Servers Behind NAT Example

25.5 General NAT Examples

The following are some examples of NAT configuration.

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 25-10 NAT Example 1

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

Figure 25-11 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 25.5. 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.

NAT 25-7