Operation Manual

Chapter 11 Network Address Translation (NAT)
VMG4825-B10A User’s Guide
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11.4.1 Add/Edit Port Triggering Rule
This screen lets you create new port triggering rules. Click Add new rule in the Port Triggering
screen or click a rule’s Edit icon to open the following screen.
Figure 81 Port Triggering: Add/Edit
The following table describes the labels in this screen.
Trigger Start
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.
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 VMG 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 Click the Edit icon to edit this rule.
Click the Delete icon to remove an existing rule.
Table 58 Network Setting > NAT > Port Triggering (continued)
LABEL DESCRIPTION
Table 59 Port Triggering: Configuration Add/Edit
LABEL DESCRIPTION
Active Select to enable or disable 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
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.
Type a port number or the starting port number in a range of port numbers.