ELTEX NTU-2C, Руководство по эксплуатации

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46 NTU Optical Network Terminals
WAN (configured in the router mode and having a firewall enabled) and LAN Interfaces
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Select All— when set, allows selection of all available interfaces.
You can also select an interface from the list by setting a flag in front of it.
Click the Apply/Save button to accept and save the settings.
4.2.4.2. The MAC Filtering Submenu. Filtering Settings for MAC Addresses
Use MAC Address Filtering to forward or block traffic depending on the source/destination MAC
addresses.
MAC address filtering works only for interfaces in the Bridge mode.
To change the global policy, set a flag in front of the corresponding interface and click the Change
Policy button. Two options are available: FORWARDED and BLOCKED.
In the FORWARDED mode, the created rules will block the traffic passing to/from the specified
source/destination MAC addresses; in the BLOCKED mode, the rules will permit this traffic.
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Protocol type— select a protocol (PPPoE, IPv4, IPv6, AppleTalk, IPX, NetBEUI, IGMP);
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Destination MAC Address— destination MAC address;
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Source MAC Address— source MAC address;
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Frame Direction— direction of the frame transmission (LAN<=>WAN, LAN=>WAN, WAN=>LAN);