ZyXEL Communications prestige 314 plus ユーザーズマニュアル

Prestige 314 PLUS Broadband Sharing Gateway with 4-Port Switch 

4-18 

NAT 

Rule 

This is the rule index number. 

1 

Name 

Enter a unique name for identification purposes. You may enter up to 15 
characters in this field. All characters are permitted - including spaces. 

Real Audio 

Incoming 

Incoming is a port (or a range of ports) that a server on the WAN uses when it sends out a 
particular service. The Prestige forwards the traffic with this port (or range of ports) to the 
client computer on the LAN that requested the service. 

Start Port  Enter a port number or the starting port number in a range of port numbers. 

6970 

End Port  Enter a port number or the ending port number in a range of port numbers. 

7170 

Trigger 

The trigger port is a port (or a range of ports) that causes (or triggers) the Prestige to record 
the IP address of the LAN computer that sent the traffic to a server on the WAN. 

Start Port  Enter a port number or the starting port number in a range of port numbers. 

7070 

End Port  Enter a port number or the ending port number in a range of port numbers. 

7070 

Press [ENTER] at the message “Press ENTER to Confirm...” to save your configuration, or press [ESC] 
at any time to cancel. 

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