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NTU Optical Network Terminals 27
– Utilized interface.
Only interfaces that are fit for operation in router mode with enabled network address translation will be
available.
– Service name—service settings:
– Select service—select a preconfigured rule;
– Custom Service—create new rules not listed in the Select a service list;
– Server IP address—IP address of the server in local network;
– NAT loopback—when checked, local area network users may access local servers by their external IP
address or domain name.
– External port (start)—the first port in the port range accessed from the Internet;
– External port (end)—the last port in the port range accessed from the Internet;
– Protocol—the network protocol selected;
– Internal port (start)—the first internal port in the port range, which will receive redirected traffic from
external port of router;
– Internal port (end)—the last internal port in the port range, which will receive redirected traffic from
external port of router.
Click the Apply/Save button to accept and save the changes.
4.2.2.2 The “Port Triggering” submenu. Port Triggering Settings
Router blocks all incoming connection requests by default. The Port Triggering function dynamically opens
ports of external interface when a definite event occurs. The ports are then associated with corresponding PC
ports in local network.
In order to add rules to the table, click the Add button. Click Remove in front of a selected rule to remove
it.
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