Chapter 11 Network Address Translation (NAT)

Use the Application screen (Section 11.4 on page 114) to change your NBG-417N’s port forwarding settings.

Use the Advanced screen (Section 11.5 on page 117) to change your NBG-417N’s trigger port settings.

11.3General NAT Screen

Use this screen to enable NAT and set a default server. Click Network > NAT to open the General screen.

Figure 70 Network > NAT > General

The following table describes the labels in this screen.

Table 46 Network > NAT > General

LABEL

DESCRIPTION

NAT Setup

 

 

 

Enable Network

Network Address Translation (NAT) allows the translation of an Internet protocol

Address

address used within one network (for example a private IP address used in a

Translation

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

In addition to the servers for specified services, NAT supports a default server. A

Address

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 NBG-417N discards all

 

packets received for ports that are not specified in the Application screen or

 

remote management.

 

 

Apply

Click Apply to save your changes back to the NBG-417N.

 

 

Reset

Click Reset to begin configuring this screen afresh.

 

 

11.4 NAT Application Screen

Use the Application screen to forward incoming service requests to the server(s) on your local network. You may enter a single port number or a range of port numbers to be forwarded, and the

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NBG-417N User’s Guide