TP-Link TD-8840T User Guide - Page 30
TD-8840T, Virtual Circuit, NAT Status, Number of IPs, 4.3.1. DMZ, Advanced Setup, DMZ Host IP
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TD-8840T 4-port ADSL2/2+ Ethernet Router User Guide Figure 4-16 ¾ Virtual Circuit: Enter Virtual Circuit Index that you plan to setup for the NAT function. ¾ 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. ¾ 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. 4.4.3.1. DMZ 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 allows outside users to access to a server that has company data directlly. Users of the public network outside the company can access to the DMZ host. Figure 4-17 ¾ DMZ Host IP Address: Enter the specified IP Address for DMZ host on the LAN side. 4.4.3.2. Virtual Server Choose "Advanced Setup→NAT→Virtual Server" in Figure 4-16, you can configure the Virtual Server in the next screen. 24