ZyXEL Communications VMG1312-B10C, Руководство пользователя

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Chapter 10 Network Address Translation (NAT)
VMG1312-B10C User’s Guide
156
Click Network Setting > NAT > Port Triggering to open the following screen. Use this screen to
view your Device’s trigger port settings.
Figure 79
Network Setting > NAT > Port Triggering
The following table describes the labels in this screen.
Table 57
Network Setting > NAT > Port Triggering
LABEL DESCRIPTION
Add new rule Click this to create a new rule.
# This is the index number of the entry.
Status This field displays whether the port triggering rule is active or not. A yellow bulb signifies
that this rule is active. A gray bulb signifies that this rule is not active.
Service Name This field displays the name of the service used by this rule.
WAN Interface This field shows the WAN interface through which the service is forwarded.
Trigger Start
Port The trigger port is a port (or a range of ports) that causes (or triggers) the Device to record
the IP address of the LAN computer that sent the traffic to a server on the WAN.
This is the first port number that identifies a service.
Trigger End
Port This is the last port number that identifies a service.
Trigger Proto. This is the trigger transport layer protocol.
Open Start Port The open port is a port (or a range of ports) that a server on the WAN uses when it sends
out a particular service. The Device forwards the traffic with this port (or range of ports) to
the client computer on the LAN that requested the service.
This is the first port number that identifies a service.
Open End Port This is the last port number that identifies a service.
Open Proto. This is the open transport layer protocol.
Modify/Delete Click the Edit icon to edit this rule.
Click the Delete icon to delete an existing rule.