ZyXEL Communications 2602H Series User Manual

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Prestige 2602H/HW Series User’s Guide
Chapter 32 Network Address Translation (NAT)
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32.5.1  Example 1: Internet Access Only
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 187   NAT Example 1
Figure 188   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 
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.
32.5.2  Example 2: Internet Access with an Inside Server
                 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: