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2 example 2: internet access with an inside server – ZyXEL Communications P-335WT User Manual

Page 326

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P-335 Series User’s Guide

326

Chapter 29 Network Address Translation (NAT)

Figure 175

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:

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.

29.5.2 Example 2: Internet Access with an Inside Server

The dynamic Inside Global Address is assigned by the ISP.

Figure 176 NAT Example 2

In this case, you do exactly as above (use the convenient pre-configured SUA Only set) and
also go to menu 15.2 to specify the Inside Server behind the NAT as shown in the next figure.