ELTEX NTU-RG-1402G-W - Port Triggering Submenu: Port Triggering Configuration

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42 NTU Optical Network Terminals
– Use Interface— interface that is used;
Available are only the interfaces configured to work in the router mode with enabled translation of
network addresses.
– Service Name—service settings:
– Select a 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 LAN;
– External Port Start—the first external port of the port range accessible from the Internet;
– External Port End—the last external port of the port range accessible from the Internet;
– Protocol—select a network protocol;
– Internal Port Start—the first internal port of the port range to receive forwarded traffic from an external
port of the router;
– Internal Port End—the last internal port in the port range to receive forwarded traffic from an external
port of the router.
Click the Apply/Save button to accept and save the changes.
4.2.3.2. The Port Triggering Submenu. Port Triggering Configuration
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.