ZyXEL Communications eircom D1000, User Manual

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128
eircom D1000 modem U
ser’s Guide
Chapter 9 Network Address Translation (NAT)
The following table describes the fields in this screen.
Table 43
Network Setting > NAT > Port Forwarding
LABEL DESCRIPTION
WAN Interface Select a WAN connection for which you want to configure a port forwarding rule.
Add new rule Click this button to add a rule to the table below.
# This is the rule index number (read-only).
Active This field indicates whether the rule is active or not.
Clear the check box to disable the rule. Select the check box to enable it.
Service Name This is a service’s name.
External Start Port This is the first port number of a port range that incoming service requests may use to
access the service in your local network.
External End Port This is the last port number of a port range that incoming service requests may use to
access the service in your local network.
Internal Start Port This is the starting port number that the device translates for the service in your local
network.
Internal End Port This is the ending port number that the device translates for the service in your local
network.
Server IP Address This is the server’s IP address in your local network.
Modify Click the edit icon to go to the screen where you can edit the port forwarding rule.
Click the delete icon to delete an existing port forwarding rule. Note that subsequent
address mapping rules move up by one when you take this action.
9.3.2 Port Forwarding Rule Add/Edit
Use this screen to add or edit a port forwarding rule. Click the Add new rule button or a rule’s edit
icon in the Port Forwarding screen to display the screen as shown next.
Figure 87
Network Setting > NAT > Port Forwarding: Add/Edit
The following table describes the fields in this screen.
Table 44
Network Setting > NAT > Port Forwarding: Edit
LABEL DESCRIPTION
Active Click this check box to enable the rule.
Service Name Select the name of this port-forwarding rule.