ZyXEL NBG420N Manuel d'utilisateur télécharger pdf (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.

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ZyXEL NBG420N Manuel d'utilisateur Page 139