ZyXEL NBG-418N v2 User Guide - Page 105
Port Triggering Screen
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Chapter 10 Network Address Translation 10.5 Port Triggering Screen To change your NBG-418N v2's port trigger settings, click Network > NAT > Port Triggering. The screen appears as shown. Note: Only one LAN computer can use a port trigger (range) at a time. Figure 74 Network > NAT > Port Triggering The following table describes the labels in this screen. Table 45 Network > NAT > Port Triggering LABEL DESCRIPTION Port Triggering Status Click Enable radio button to enable NAT Port Trigger or Disable to inactivate it. Apply Click Apply button to apply the NAT Port Trigger status you choose above. Add Application Rule User-defined Type a unique name (up to 15 characters) for identification purposes. All characters are Application Name permitted - including spaces. Start Match Port Start match Port is the starting port in a range of port numbers that a server on the WAN uses when it sends out a particular service. The NBG-418N v2 forwards the traffic with this starting port to the client computer on the LAN that requested the service. End Match Port End match Port is the ending port in a range of port numbers that a server on the WAN uses when it sends out a particular service. The NBG-418N v2 forwards the traffic with this ending port to the client computer on the LAN that requested the service. Trigger Protocol The trigger protocol is the protocol (UDP, TCP or UDP/TCP) that causes (or triggers) the NBG-418N v2 to record the IP address of the LAN computer that sent the traffic to a server on the WAN. NBG-418N v2 User's Guide 105