ZyXEL P-660HW-D1 Guia Do Utilizador

Prestige 660H/HW Series User’s Guide

Chapter 29 Network Address Translation (NAT)

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In the following Internet access example, you only need one rule where your ILAs (Inside 
Local addresses) all map to one dynamic IGA (Inside Global Address) assigned by your ISP. 

Figure 165   NAT Example 1

Figure 166   Menu 4 Internet Access & NAT Example

                 Menu 4 - Internet Access Setup
            ISP's Name= MyISP
            Encapsulation= RFC 1483
            Multiplexing= LLC-based
            VPI #= 8
            VCI #= 35
            ATM QoS Type= UBR
              Peak Cell Rate (PCR)= 0
              Sustain Cell Rate (SCR)= 0
              Maximum Burst Size (MBS)= 0
            My Login= N/A
            My Password= N/A
            ENET ENCAP Gateway= N/A
            IP Address Assignment= Static
              IP Address= 0.0.0.0
            Network Address Translation= SUA Only
              Address Mapping Set= N/A

            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 

. 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.