Gateway TWG870 user manual WEB Configuration, IP Filtering, MAC Filtering

Models: TWG870

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2. IP Filtering

Chapter 2: WEB Configuration

￿Multicast Enable enables multicast traffic to pass WAN￿ LAN. You may need to enable this to see some types of broadcast streaming and content on the Internet.

￿UPnP Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, access the network and connect to other devices as needed. UPnP devices can automatically discover the services from other registered UPnP devices on the network.

￿NatSipAlg Enable the gateway implements SIP ALG (Application-level gateway). It is enabled by

default and help in solving NAT related problems in client LAN side.

2. IP Filtering

This page enables you to enter the IP address ranges of PCs on your LAN that you don’t want to have outbound access to the WAN. These PCs can still communicate with each other on your LAN, but packets designated to WAN addresses are blocked by the gateway.

Fig. 18

3. MAC Filtering

This page enables you to enter the MAC address of specific PCs on your LAN that you do not wish to have outbound access to the WAN. As with IP filtering, these PCs can still communicate with each other through the gateway, but packets they send to WAN addresses are blocked.

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Illustrations contained in this document are for representation only.

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Gateway TWG870 user manual WEB Configuration, IP Filtering, MAC Filtering