ZyXEL Communications VMG5313-B10A/ VMG5313-B30A User Manual
Chapter 11 Network Address Translation (NAT)
VMG5313-B10A/-B30A Series User’s Guide
189
Figure 80
Port Triggering: Add/Edit
The following table describes the labels in this screen.
11.5 The DMZ Screen
In addition to the servers for specified services, NAT supports a default server IP address. A default
server receives packets from ports that are not specified in the NAT Port Forwarding Setup
screen.
server receives packets from ports that are not specified in the NAT Port Forwarding Setup
screen.
Table 59
Port Triggering: Configuration Add/Edit
LABEL
DESCRIPTION
Active
Select the check box to enable this rule.
Service Name
Enter a name to identify this rule using keyboard characters (A-Z, a-z, 1-2 and so on).
WAN Interface
Select a WAN interface for which you want to configure port triggering rules.
Trigger Start
Port
Port
The trigger port is a port (or a range of ports) that causes (or triggers) the VMG to record
the IP address of the LAN computer that sent the traffic to a server on the WAN.
the IP address of the LAN computer that sent the traffic to a server on the WAN.
Type a port number or the starting port number in a range of port numbers.
Trigger End
Port
Port
Type a port number or the ending port number in a range of port numbers.
Trigger Protocol Select the transport layer protocol from TCP, UDP, or TCP/UDP.
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 VMG forwards the traffic with this port (or range of ports) to the
client computer on the LAN that requested the service.
client computer on the LAN that requested the service.
Type a port number or the starting port number in a range of port numbers.
Open End Port
Type a port number or the ending port number in a range of port numbers.
Open Protocol
Select the transport layer protocol from TCP, UDP, or TCP/UDP.
OK
Click OK to save your changes.
Cancel
Click Cancel to exit this screen without saving.