ZyXEL P-335U User Guide - Page 123
P-334U/P-335U User's Guide, Network Address Translation NAT, NAT Advanced
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P-334U/P-335U User's Guide Table 43 NAT Advanced LABEL Incoming Start Port End Port Trigger Start Port End Port Apply Reset DESCRIPTION Incoming is a port (or a range of ports) that a server on the WAN uses when it sends out a particular service. The ZyXEL Device forwards the traffic with this port (or range of ports) to the client computer on the LAN that requested the service. Type a port number or the starting port number in a range of port numbers. Type a port number or the ending port number in a range of port numbers. The trigger port is a port (or a range of ports) that causes (or triggers) the ZyXEL Device to record the IP address of the LAN computer that sent the traffic to a server on the WAN. Type a port number or the starting port number in a range of port numbers. Type a port number or the ending port number in a range of port numbers. Click Apply to save your changes back to the ZyXEL Device. Click Reset to begin configuring this screen afresh. Chapter 9 Network Address Translation (NAT) 123