ZyXEL P-660HW-D1 User Guide - Page 154
Configuring the Port Forwarding Screen
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Chapter 9 Network Address Translation (NAT) third (C in the example). You assign the LAN IP addresses and the ISP assigns the WAN IP address. The NAT network appears as a single host on the Internet. Figure 62 Multiple Servers Behind NAT Example A=192.168.1.33 LAN WAN B=192.168.1.34 192.168.1.1 C=192.168.1.35 D=192.168.1.36 IP Address assigned by ISP 9.3.1 Configuring the Port Forwarding Screen Click Network > NAT > Port Forwarding to open the following screen. See Appendix F on page 351 for port numbers commonly used for particular services. Figure 63 Network > NAT > Port Forwarding The following table describes the fields in this screen. Table 42 Network > NAT > Port Forwarding LABEL DESCRIPTION Default Server Setup Default Server In addition to the servers for specified services, NAT supports a default server. A default server receives packets from ports that are not specified in this screen. If you do not assign a Default Server IP address, the ZyXEL Device discards all packets received for ports that are not specified here or in the remote management setup. Port Forwarding Service Name Select a service from the drop-down list box. Server IP Address Enter the IP address of the server for the specified service. Add Click this button to add a rule to the table below. # This is the rule index number (read-only). 154 ADSL Router Series User's Guide