TP-Link TD-W8960N User Manual page 35

TD-W8960N
 Enable Firewall: A SPI firewall enhances network's security. Select the option to use a
firewall, or else without a firewall.
 Enable IGMP Multicast: This is disabled by default. This setting will not allow IGMP (Internet
Group Management Protocol) packets to be forwarded to the LAN. IGMP is used to manage
multicasting on TCP/IP networks. Most users will not need to enable this. Some ISPs use
IGMP to perform remote configuration for client devices, such as the Router. If you are unsure,
check with your ISP.

Note:
If you select the Enable NAT checkbox, the NAT menu will be added to the Web-based Utility. We
will describe the detailed configuration in
6. Select a preferred WAN interface as the system default gateway and click Next.
7. Configure the DNS Server Addresses on the screen as follows.

Note:
If only single PVC with IPoA is configured, you must enter static DNS server IP addresses.
8. On the next screen (as shown Figure 4-19) you will see the detailed settings you've made.
Please click the Apply/Save button to save these settings.
300Mbps Wireless N ADSL2+ Modem Router User Guide
4.4.5 NAT.
Figure 4-17
Figure 4-18
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