3.7 Gateway Ubee Interactive28 DDW3612 Subscriber User Guide • July, 20103.7.8 Gateway - Mac FilteringThe MAC Filtering option allows you to filter MAC addresses in order to block internettraffic from specific network devices on the LAN. This filtering establishes a black list.Any host listed on this list will not be able to access the network/internet through theDDW3612 Wireless Cable Modem Gateway.1. Access the web interface. Refer to page 7, if needed.2. Click the Gateway link from the top of the screen.3. Click MAC Filtering from the left side of the screen. The MAC Filtering fields areexplained following this screen example.UPnP Enable Select Enable to activate Universal Plug and Play (UPnP).A UPnP device can dynamically join a network, obtain anIP address, convey its capabilities, and learn aboutother devices on the network. In turn, a device can leavea network smoothly and automatically when it is nolonger in use.DNS RelayApply Click Apply to save all screen changes.Label DescriptionIndex The Index number of the rule.MAC Address Enter the MAC address to block.