ZyXEL Communications PMG5318-B20A, Руководство пользователя

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Chapter 7 NAT
PMG5318-B20A User’s Guide
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The following table describes the fields in this screen.
Table 27
Port Forwarding
LABEL DESCRIPTION
Default Server
Setup
Default Server
Address
Enter an internal IP address to which the GPON Device forwards incoming packets if the
GPON Device cannot find a rule matched in the table below. Leave this field blank to have
the GPON Device not forward packets that do not match a rule.
Port Forwarding
Service Name Select a pre-defined service (HTTP, FTP, TELNET, HTTPS) from the drop-down list box.
The pre-defined service port number(s) and protocol will display in the Start port, End
port and Protocol fields of the table below after you click Add.
Otherwise, select User Define to open the Rule Setup screen where you can manually
enter the port number(s) and select the IP protocol.
Server IP Address Enter the IP address of the server for the specified service.
Add 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 field displays the name of the service used by the packets for this virtual server.
Start Port This is the first internal or external port number that identifies a service.
End Port This is the last internal or external port number that identifies a service.
Protocol This field displays the corresponding IP protocol (TCP, UDP or TCP/UDP) for the
service.
Server IP Address This field displays the inside IP address of the server.
Modify Click the Edit icon to go to the screen where you can edit the port forwarding rule.
Click the Remove icon to delete an existing port forwarding rule. Note that subsequent
rules move up by one when you take this action.
Apply Click Apply to save your changes back to the GPON Device.
Reset Click Reset to return to the previous configuration.