DSL-2750U 3G/ADSL/Ethernet Router with
Wi-Fi and Built-in Switch
User Manual
Parameter
Enable IGMP Multicast
NAT
Firewall
Miscellaneous
Select the checkbox to allow multicast traffic from the external
network (e.g. video streaming) to be received.
Select the checkbox if you want one WAN IP address to be used for
all computers of your LAN.
Select the checkbox to enable protection against ARP and DDoS
attacks.
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Configuring via Web-based Interface
Description