TD851W
150Mbps Wireless N ADSL2+ Modem Router User Guide
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Firewall:
Select this option can automatically detect and block Denial of Service (DoS)
attacks, such as Ping of Death, SYN Flood, Port Scan and Land Attack.
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SPI:
If you enable SPI, all traffics initiated from WAN would be blocked, including DMZ, Virtual
Server, and ACL WAN side.
4.4.2 Routing
Choose “
Advanced Setup
→
Routing
” menu, and you will see the routing information in the next
screen (shown in Figure 4-24).
Figure 4-24
Click
ADD ROUTE
button to add a new route in the next screen (shown in Figure 4-25).
Figure 4-25
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Destination IP Address:
This parameter specifies the IP network address of the final
destination.
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IP Subnet Mask:
Enter the subnet mask for this destination.
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Gateway IP Address:
Enter the IP address of the gateway. The gateway is an immediate
neighbor of your ADSL Router that will forward the packet to the destination. On the LAN, the
gateway must be a Router on the same segment as your Router; over Internet (WAN), the
gateway must be the IP address of one of the remote nodes.
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Metric:
Metric represents the "cost" of transmission for routing purposes. IP Routing uses hop
count as the measurement of cost, with a minimum of 1 for directly connected networks. Enter
a number that approximates the cost for this link. The number need not to be precise, but it
must between 1 and 15. In practice, 2 or 3 is usually a good number.
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Announced in RIP:
This parameter determines if the ADSL Router will include the route to
this remote node in its RIP broadcasts. If set to Yes, the route to this remote node will be
propagated to other hosts through RIP broadcasts. If No, this route is kept private and is not
