ZyXEL Communications NBG-418N v2, Руководство пользователя, Страница: 105 / 228

Chapter 10 Network Address Translation
NBG-418N v2 User’s Guide
105
10.5 Port Triggering Screen
To change your NBG-418N v2’s port trigger settings, click Network > NAT > Port Triggering .
The screen appears as shown.
Note: Only one LAN computer can use a port trigger (range) at a time.
Figure 74
Network > NAT > Port Triggering
The following table describes the labels in this screen.
Table 45
Network > NAT > Port Triggering
LABEL DESCRIPTION
Port Triggering
Status 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 Start match Port is 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 Match
Port
End match Port is 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.
Trigger Protocol The trigger protocol is 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.