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Page 141 / 249 Scroll up to view Page 136 - 140
Chapter 21 Bandwidth Management
NBG6515 User’s Guide
141
The following table describes the labels in this screen
Table 71
Bandwidth Management Rule Configuration: User-defined Service
See
Appendix D on page 225
for commonly used services and port numbers.
LABEL
DESCRIPTION
BW Budget
Select
Maximum Bandwidth
or
Minimum Bandwidth
and specify the maximum or
minimum bandwidth allowed for the rule in kilobits per second.
Destination
Address Range
Enter the IP address range of the destination computer.
The NBG applies bandwidth management to the service or application that is entering this
computer.
Destination
Port Range
This is the port number of the destination that define the traffic type, for example TCP port
80 defines web traffic.
Source Address
Range
Enter the IP address range of the computer that initializes traffic for the application or
service.
The NBG applies bandwidth management to traffic initiating from this computer.
Source Port
Range
This is the port number of the source that define the traffic type, for example TCP port 80
defines web traffic.
Protocol
Select the protocol (
TCP
,
UDP
) for which the bandwidth management rule applies.
Apply
Click
Apply
to save your customized settings.
Cancel
Click
Cancel
to exit this screen without saving.
Page 142 / 249
NBG6515 User’s Guide
142
C
HAPTER
22
Remote Management
22.1
Overview
This chapter provides information on the Remote Management screens.
Remote Management allows you to manage your NBG from a remote location through the following
interfaces:
•
LAN and WAN
•
LAN only
•
WAN only
Note: The NBG is managed using the Web Configurator.
22.2
What You Can Do
Use the
WWW
screen (
Section 22.4 on page 143
) to define the interface/s from which the NBG can
be managed remotely and specify a secure client that can manage the NBG.
22.3
What You Need to Know
Remote management over LAN or WAN will not work when:
1
The IP address in the
Secured Client IP Address
field (
Section 22.4 on page 143
)
does not
match the client IP address. If it does not match, the NBG will disconnect the session immediately.
2
There is already another remote management session. You may only have one remote
management session running at one time.
3
There is a firewall rule that blocks it.
22.3.1
Remote Management and NAT
When NAT is enabled:
•
Use the NBG’s WAN IP address when configuring from the WAN.
•
Use the NBG’s LAN IP address when configuring from the LAN.
Page 143 / 249
Chapter 22 Remote Management
NBG6515 User’s Guide
143
22.3.2
System Timeout
There is a default system management idle timeout of five minutes (three hundred seconds). The
NBG automatically logs you out if the management session remains idle for longer than this timeout
period. The management session does not time out when a statistics screen is polling. You can
change the timeout period in the
System
screen
22.4
WWW Screen
To change your NBG’s remote management settings, click
Management > Remote Management
> WWW
.
Figure 107
Management > Remote Management > WWW
The following table describes the labels in this screen
Table 72
Management > Remote Management > WWW
LABEL
DESCRIPTION
Enable Remote
WAN Access
Select this check box to enable Remote WAN Access.
Server 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.
Secured Client
IP Address
Select
All
to allow all computes to access the NBG.
Otherwise, check
Selected
and specify the IP address of the computer that can access the
NBG.
Apply
Click
Apply
to save your customized settings and exit this screen.
Reset
Click
Reset
to begin configuring this screen afresh.
Page 144 / 249
NBG6515 User’s Guide
144
C
HAPTER
23
Universal Plug-and-Play (UPnP)
23.1
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.
23.2
What You Can Do
Use the
UPnP
screen (
Section 23.4 on page 145
) to enable UPnP on your NBG.
23.3
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.
23.3.1
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.
Page 145 / 249
Chapter 23 Universal Plug-and-Play (UPnP)
NBG6515 User’s Guide
145
23.3.2
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 NBG allows multicast messages on the LAN only.
All UPnP-enabled devices may communicate freely with each other without additional configuration.
Disable UPnP if this is not your intention.
23.4
UPnP Screen
Use this screen to enable UPnP on your NBG.
Click
Management > UPnP
to display the screen shown next.
Figure 108
Management > UPnP
The following table describes the fields in this screen.
23.5
Technical Refereance
The sections show examples of using UPnP.
Table 73
Management > UPnP
LABEL
DESCRIPTION
Enable the
Universal Plug
and Play
(UPnP) Feature
Select this check box to activate UPnP. Be aware that anyone could use a UPnP application
to open the web configurator's login screen without entering the NBG's IP address (although
you must still enter the password to access the web configurator).
Apply
Click
Apply
to save the setting to the NBG.
Reset
Click
Reset
to return to the previously saved settings.

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