Operation Manual

Chapter 10 Network Address Translation
NBG-418N v2 User’s Guide
109
Note: Only one LAN computer can use a port trigger (range) at a time.
Figure 78 Network > NAT > Port Triggering
The following table describes the labels in this screen.
Table 50 Network > NAT > Port Triggering
LABEL DESCRIPTION
Port Triggering Status
Nat Port Trigger Click Enable radio button to enable NAT Port Trigger or Disable to inactivate it.
Apply Click Apply button to apply the NAT Port Trigger status you choose above.
Add Application Rule
User-defined
Application Name
Type a unique name (up to 15 characters) for identification purposes. All characters are
permitted - including spaces.
Start Match
Port
Enter the starting port in a range of port numbers that causes (or triggers) the NBG-418N
v2 to record the IP address of the LAN computer that sent the traffic to a server on the
WAN.
End Match
Port
Enter the ending port in a range of port numbers that causes (or triggers) the NBG-418N
v2 to record the IP address of the LAN computer that sent the traffic to a server on the
WAN.
Trigger
Protocol
Specify the protocol (UDP, TCP or UDP/TCP) that causes (or triggers) the NBG-418N v2
to record the IP address of the LAN computer that sent the traffic to a server on the WAN.
Start Related
Port
Enter the starting port in a range of port numbers that a server on the WAN uses when it
sends out a particular service. The NBG-418N v2 forwards the traffic with this starting
port to the client computer on the LAN that requested the service.
End Related
Port
Enter the ending port in a range of port numbers that a server on the WAN uses when it
sends out a particular service. The NBG-418N v2 forwards the traffic with this ending port
to the client computer on the LAN that requested the service.