ZyXEL Communications NBG420N - Manual (Page 139)

Chapter 11 Network Address Translation (NAT)
NBG420N User’s Guide
139
The following table describes the labels in this screen.
11.4 NAT Application Screen
Port forwarding allows you to define the local servers to which the incoming services will be
forwarded. To change your NBG420N’s port forwarding settings, click Network > NAT >
Application. The screen appears as shown.
"
If you do not assign a Default Server IP address in the NAT > General
screen, the NBG420N discards all packets received for ports that are not
specified in this screen or remote management.
Refer to Appendix F on page 321 for port numbers commonly used for particular services.
Table 53 Network > NAT > General
LABEL DESCRIPTION
Enable Network
Address
Translation
Network Address Translation (NAT) allows the translation of an Internet protocol
address used within one network (for example a private IP address used in a local
network) to a different IP address known within another network (for example a
public IP address used on the Internet).
Select the check box to enable NAT.
Default Server
Setup
Server IP
Address
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 the Application
screen.
If you do not assign a Default Server IP address, the NBG420N discards all
packets received for ports that are not specified in the Application screen or
remote management.
Wake up this
target by Wake
On LAN
Select this to use WoL (Wake On LAN) to turn on the server specified in the
Server IP Address field when packets are received on ports not specified in the
Application screen.
Note: For more information on Wake On LAN see Section 22.4 on
page 255 .
Apply Click Apply to save your changes back to the NBG420N.
Reset Click Reset to begin configuring this screen afresh.