ZyXEL Communications X550N - V3.60 User Manual page 145

Table 56 Network > NAT > Advanced
LABEL
Incoming
Start Port
End Port
Trigger
Start Port
End Port
Apply
Reset
X550N Series User's Guide
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 X550N 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 X550N 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 X550N.
Click Reset to begin configuring this screen afresh.
Chapter 11 Network Address Translation (NAT)
145