ZyXEL Communications Prestige 2602R Series, User Manual

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Prestige 2602R Series User’s Guide
Chapter 28 Network Address Translation (NAT) 275
28.5.1 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 154 NAT Example 1
Figure 155 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 28.5 on page 274 . 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.
28.5.2 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: