ZyXEL Communications NBG-418N v2 User Manual page 108

Note: Only one LAN computer can use a port trigger (range) at a time.
Fig ure 78
Network > NAT > Port Triggering
The following table describes the labels in this screen.
Table 50 Network > NAT > Port Triggering
L ABEL DESC RIPT IO N
Port Triggering Status
Nat Port Trigger Click
Apply Click
Add Application Rule
User-defined Type a unique name (up to 15 characters) for identification purposes. All characters are
Application Name permitted - including spaces.
Start Match Enter the starting port in a range of port numbers that causes (or triggers) the NBG-418N v2 to
Port
record the IP address of the LAN computer that sent the traffic to a server on the WAN.
End Match Enter the ending port in a range of port numbers that causes (or triggers) the NBG-418N v2 to
Port
record the IP address of the LAN computer that sent the traffic to a server on the WAN.
Trigger Specify the protocol (
Protocol
the IP address of the LAN computer that sent the traffic to a server on the WAN.
Start Related Enter the starting port in a range of port numbers that a server on the WAN uses when it sends
Port
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 Enter the ending port in a range of port numbers that a server on the WAN uses when it sends
Port
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.
Open Protocol Specify the protocol (
particular service.
Chapter 10 Network Address Translation
Ena b le
radio button to enable NAT Port Trigger or
Apply button to apply the NAT Port Trigger status you choose above.
UDP T C P
, or
UDP T C P
, or
NBG-418N v2 User's Guide
108
Disa b le
UDP/ T C P
) that causes (or triggers) the NBG-418N v2 to record
UDP/ T C P
) that a server on the WAN uses when it sends out a
to inactivate it.