ZyXEL Communications P-870HW-I User Manual

P-870HW-I1 User’s Guide

Chapter 10 NAT

143

Use this screen to edit other NAT rules for your ZyXEL Device. To open this screen, click 
Network > NAT > Address Mapping.

Figure 80   Network > NAT > Address Mapping

Start Port
End Port

Enter the incoming port number or range of port numbers you want to forward to 

the IP address the ZyXEL Device records.
To forward one port number, enter the port number in the Start Port and End Port 

fields.
To forward a range of ports,
•

enter the port number at the beginning of the range in the Start Port field

•

enter the port number at the end of the range in the End Port field.

If you want to delete this rule, enter zero in the Start Port and End Port fields.

Trigger

Start Port
End Port

Enter the outgoing port number or range of port numbers that makes the ZyXEL 

Device record the source IP address and assign it to the selected incoming port 

number(s).
To select one port number, enter the port number in the Start Port and End Port 

fields.
To select a range of ports,
•

enter the port number at the beginning of the range in the Start Port field

•

enter the port number at the end of the range in the End Port field.

If you want to delete this rule, enter zero in the Start Port and End Port fields.

Apply

Click this to save your changes back to the ZyXEL Device.

Reset

Click this to begin configuring this screen afresh.

Table 61   Network > NAT > Trigger Port (continued)