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Chapter 20 Remote Management
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146
20.5
Telnet Screen
To change your NBG6716’s remote management settings, click
Management > Remote MGMT >
Telnet
to open the
Telnet
screen.
Figure 101
Management > Remote MGMT > Telnet
The following table describes the labels in this screen.
20.6
Wake On LAN Screen
Wake On LAN (WoL) allows you to remotely turn on a device on the network, such as a computer,
storage device or media server. To use this feature the remote hardware (for example the network
adapter on a computer) must support Wake On LAN using the “Magic Packet” method.
You need to know the MAC address of the remote device. It may be on a label on the device.
Table 62
Management > Remote MGMT > Telnet
LABEL
DESCRIPTION
Port
You may change the server port number for a service if needed, however you must
use the same port number in order to use that service for remote management.
Access Status
Select the interface(s) through which a computer may access the NBG6716 using
this service.
Secured Client IP
Address
Select
All
to allow all computes to access the NBG6716.
Otherwise, check
Selected
and specify the IP address of the computer that can
access the NBG6716.
Apply
Click
Apply
to save your customized settings.
Cancel
Click
Cancel
to begin configuring this screen afresh.
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Use this screen to remotely turn on a device on the network. Click the
Management > Remote
MGMT > Wake On LAN
to open the following screen.
Figure 102
Management > Remote MGMT > Wake On LAN
The following table describes the labels in this screen.
Table 63
Management > Remote MGMT > Wake On LAN
LABEL
DESCRIPTION
Wake On LAN over WAN
Settings
Enable WOL over WAN
Select this option to have the NBG6716 forward a WoL “Magic Packet” to all
devices on the LAN if the packet comes from the WAN or remote network and
uses the port number specified in the
Port
field. A LAN device whose hardware
supports Wake on LAN then will be powered on if it is turned off previously.
Port
Type a port number from which a WoL packet is forwarded to the LAN.
Wake On LAN
Wake MAC Address
Enter the MAC Address of the device on the network that will be turned on.
A MAC address consists of six hexadecimal character pairs.
Start
Click this to have the NBG6716 generate a WoL packet and forward it to turn
the specified device on.
A screen pops up displaying MAC address error if you input the MAC address
incorrectly.
Apply
Click
Apply
to save the setting to the NBG6716.
Cancel
Click
Cancel
to begin configuring this screen afresh.
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C
HAPTER
21
Universal Plug-and-Play (UPnP)
21.1
Overview
This chapter introduces the UPnP feature in the web configurator.
Universal Plug and Play (UPnP) is a distributed, open networking standard that uses TCP/IP for
simple peer-to-peer network connectivity between devices. A UPnP device can dynamically join a
network, obtain an IP address, convey its capabilities and learn about other devices on the network.
In turn, a device can leave a network smoothly and automatically when it is no longer in use.
21.2
What You Need to Know
UPnP hardware is identified as an icon in the Network Connections folder (Windows XP). Each UPnP
compatible device installed on your network will appear as a separate icon. Selecting the icon of a
UPnP device will allow you to access the information and properties of that device.
21.2.1
NAT Traversal
UPnP NAT traversal automates the process of allowing an application to operate through NAT. UPnP
network devices can automatically configure network addressing, announce their presence in the
network to other UPnP devices and enable exchange of simple product and service descriptions.
NAT traversal allows the following:
Dynamic port mapping
Learning public IP addresses
Assigning lease times to mappings
Windows Messenger is an example of an application that supports NAT traversal and UPnP.
See the NAT chapter for more information on NAT.
21.2.2
Cautions with UPnP
The automated nature of NAT traversal applications in establishing their own services and opening
firewall ports may present network security issues. Network information and configuration may also
be obtained and modified by users in some network environments.
When a UPnP device joins a network, it announces its presence with a multicast message. For
security reasons, the NBG6716 allows multicast messages on the LAN only.
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All UPnP-enabled devices may communicate freely with each other without additional configuration.
Disable UPnP if this is not your intention.
21.3
UPnP Screen
Use this screen to enable UPnP on your NBG6716.
Click
Management > UPnP
to display the screen shown next.
Figure 103
Management > UPnP
The following table describes the fields in this screen.
21.4
Technical Reference
The sections show examples of using UPnP.
21.4.1
Using UPnP in Windows XP Example
This section shows you how to use the UPnP feature in Windows XP. You must already have UPnP
installed in Windows XP and UPnP activated on the NBG6716.
Make sure the computer is connected to a LAN port of the NBG6716. Turn on your computer and
the NBG6716.
21.4.1.1
Auto-discover Your UPnP-enabled Network Device
1
Click
start
and
Control Panel
. Double-click
Network Connections
. An icon displays under
Internet Gateway.
2
Right-click the icon and select
Properties
.
Table 64
Management > UPnP
LABEL
DESCRIPTION
UPnP
Select
Enable
to activate UPnP. Be aware that anyone could use a UPnP application to
open the web configurator's login screen without entering the NBG6716's IP address
(although you must still enter the password to access the web configurator).
Apply
Click
Apply
to save the setting to the NBG6716.
Cancel
Click
Cancel
to return to the previously saved settings.
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Figure 104
Network Connections
3
In the
Internet Connection Properties
window, click
Settings
to see the port mappings there
were automatically created.
Figure 105
Internet Connection Properties
4
You may edit or delete the port mappings or click
Add
to manually add port mappings.
Figure 106
Internet Connection Properties: Advanced Settings

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