Chapter 11 Network Address Translation (NAT)
11.5 NAT Advanced Screen
Some services use a dedicated range of ports on the client side and a dedicated range of ports on the server side. With regular port forwarding you set a forwarding port in NAT to forward a service (coming in from the server on the WAN) to the IP address of a computer on the client side (LAN). The problem is that port forwarding only forwards a service to a single LAN IP address. In order to use the same service on a different LAN computer, you have to manually replace the LAN computer's IP address in the forwarding port with another LAN computer's IP address.
Trigger port forwarding solves this problem by allowing computers on the LAN to dynamically take turns using the service. The
To change your
Note: Only one LAN computer can use a trigger port (range) at a time.
Figure 72 Network > NAT > Advanced
The following table describes the labels in this screen.
Table 48 Network > NAT > Advanced
LABELDESCRIPTION
#This is the rule index number
Name | Type a unique name (up to 15 characters) for identification purposes. All |
| characters are permitted - including spaces. |
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|
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 |
| (or range of ports) to the client computer on the LAN that requested the service. |
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|
Start Port | Type a port number or the starting port number in a range of port numbers. |
| 117 |
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