TP-Link TD-W8151N User Guide - Page 42
TD-W8151N, Advanced Setup, Virtual Circuit, NAT Status, Number of IPs, 4.3.1 DMZ, DMZ Host IP
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TD-W8151N 150Mbps Wireless N ADSL2+ Modem Router User Guide 4.4.3 NAT Choose "Advanced Setup→NAT" menu, you can setup the NAT (Network Address Translation) function for the Router (shown in Figure 4-26). Figure 4-26 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 4-26, 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 4-27 ¾ DMZ Host IP Address: Enter the specified IP Address for DMZ host on the LAN side. 35