TP-LINK TD-W8901N User Manual
TD-W8901N
150Mbps Wireless N ADSL2+ Modem Router User Guide
44
4.4.3 NAT
Choose “Advanced Setup→NAT” menu, you can setup the NAT (Network Address Translation)
function for the Router (shown in Figure 4-28).
function for the Router (shown in Figure 4-28).
Note:
To use the NAT function, the Virtual Circuit should not be configured to Bridge mode. You can
change the mode in Figure 4-6.
change the mode in Figure 4-6.
Figure 4-28
Virtual Circuit: Enter Virtual Circuit Index that you plan to setup for the NAT function.
NAT Status: This field shows the current status of the NAT function for the current VC. You
can go to the previous screen (shown in Figure 4-6) to activate the function.
Number of IPs; This field is to specify how many IPs are provided by your ISP for current VC.
It can be single IP or multiple IPs. We select Multiple to explain.
Note:
For VCs with single IP, they share the same DMZ and Virtual servers; for VCs with multiple IPs,
each VC can set DMZ and Virtual servers. Furthermore, for VCs with multiple IPs, they can define
the Address Mapping rules; for VCs with single IP, since they have only one IP, there is no need to
individually define the Address Mapping rule.
each VC can set DMZ and Virtual servers. Furthermore, for VCs with multiple IPs, they can define
the Address Mapping rules; for VCs with single IP, since they have only one IP, there is no need to
individually define the Address Mapping rule.
4.4.3.1 DMZ
Choose “Advanced Setup→NAT→DMZ” in Figure 4-28, you can configure the DMZ host in the
next screen. A DMZ (demilitarized zone) is a host between a private local network and the outside
public network. It prevents outside users from getting direct access to a server that has company
data. Users of the public network outside the company can access to the DMZ host.
next screen. A DMZ (demilitarized zone) is a host between a private local network and the outside
public network. It prevents outside users from getting direct access to a server that has company
data. Users of the public network outside the company can access to the DMZ host.