TP-LINK TD-8817B User Manual

 

 

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Figure 4-16 

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  Virtual Circuit: Enter Virtual Circuit Index that you plan to setup for the NAT function. 

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  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 4-4) to activate the function. 

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  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. 

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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. 

Choose “Advanced Setup→NAT→DMZ” in Figure 4-16, 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. 

 

Figure 4-17 

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  DMZ Host IP Address: Enter the specified IP Address for DMZ host on the LAN side. 

Choose “Advanced Setup→NAT→Virtual Server” in Figure 4-16, you can configure the Virtual 

Server in the next screen.