ZyXEL Communications Corporation 5VZ-A2011 Manual De Usuario

 Chapter 8 Network Address Translation (NAT)

CellPipe 7130 RG User’s Guide

This screen lets you create or edit a port forwarding rule. Select User Define in 
the Service Name field or click the rule’s Edit icon in the Port Forwarding 
screen to open the following screen.

Figure 59   Port Forwarding Edit 

The following table describes the labels in this screen. 

Table 44   Port Forwarding Edit

Active

Clear the check box to disable the rule. Select the check box to enable it.

This field is not editable if you are configuring a User Define rule.

Service Name

Enter a name to identify this rule. This field is read-only if you click the 
Edit icon in the Port Forwarding screen.

WAN Interface

Select a WAN interface for which you want to configure port forwarding 
rules.

External Start 
Port

Enter the original destination port for the packets.

To forward only one port, enter the port number again in the External 
End Port field. 

To forward a series of ports, enter the start port number here and the 
end port number in the External End Port field.

External End 
Port 

Enter the last port of the original destination port range. 

To forward only one port, enter the port number in the External Start 
Port field above and then enter it again in this field. 

To forward a series of ports, enter the last port number in a series that 
begins with the port number in the External Start Port field above.

Internal Start 
Port

Enter the port number here to which you want the CellPipe 7130 RG to 
translate the incoming port. For a range of ports, enter the first number 
of the range to which you want the incoming ports translated.