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Page 151 / 268 Scroll up to view Page 146 - 150
Chapter 15 Bandwidth Management
NBG4604 User’s Guide
151
15.5.3
Predefined Bandwidth Management Services
The following is a description of the services that you can select and to which you
can apply media bandwidth management in the
Management
>
Bandwidth
MGMT
>
Advanced
screen.
Port Range
Enter the range of ports for which the bandwidth management rule
applies.
Policy
Select
Max
or
Min
and specify the maximum or minimum bandwidth
allowed for the rule in bits per second in the field below.
Rate (bps)
Type or select the maximum or minimum bandwidth allowed (refer to
the field above) for the rule in bits per second.
If you type the amount of bandwidth, the selection automatically
becomes
User Defined
. If you select the amount of bandwidth, the
field automatically displays the value in Kbps.
Apply
Click
Apply
to save your customized settings.
Reset
Click
Reset
to begin configuring this screen afresh.
LABEL
DESCRIPTION
Table 61
Media Bandwidth Management Setup: Services
SERVICE
DESCRIPTION
FTP
File Transfer Program enables fast transfer of files, including large files
that may not be possible by e-mail. FTP uses port number 21.
WWW
The World Wide Web (WWW) is an Internet system to distribute
graphical, hyper-linked information, based on Hyper Text Transfer
Protocol (HTTP) - a client/server protocol for the World Wide Web. The
Web is not synonymous with the Internet; rather, it is just one service
on the Internet. Other services on the Internet include Internet Relay
Chat and Newsgroups. The Web is accessed through use of a browser.
WWW uses port 80.
Telnet
Telnet is the login and terminal emulation protocol common on the
Internet and in UNIX environments. It operates over TCP/IP networks.
Its primary function is to allow users to log into remote host systems.
Telnet uses port 23.
E-Mail
Electronic mail consists of messages sent through a computer network
to specific groups or individuals. Here are some default ports for e-mail:
POP3 - port 110
SMTP - port 25
Page 152 / 268
Chapter 15 Bandwidth Management
NBG4604 User’s Guide
152
15.5.4
Services and Port Numbers
See
Appendix E on page 251
for commonly used services and port numbers.
BitTorrent
BitTorrent is a free P2P (peer-to-peer) sharing tool allowing you to
distribute large software and media files using ports 6881 to 6889.
BitTorrent requires you to search for a file with a searching engine
yourself. It distributes files by corporation and trading, that is, the client
downloads the file in small pieces and share the pieces with other peers
to get other half of the file.
Gaming
Online gaming services lets you play multiplayer games on the Internet
via broadband technology. One example is Microsoft’s Xbox Live, which
uses port 3074. As of this writing, your NBG4604 supports Xbox,
Playstation, Battlenet and MSN Game Zone.
Table 61
Media Bandwidth Management Setup: Services (continued)
SERVICE
DESCRIPTION
Page 153 / 268
NBG4604 User’s Guide
153
C
HAPTER
16
Remote Management
16.1
Overview
This chapter provides information on the Remote Management screens.
Remote management allows you to determine which services/protocols can access
which NBG4604 interface (if any) from which computers.
You may manage your NBG4604 from a remote location via:
Note: When you configure remote management to allow management from the LAN
and WAN in the options above, you still need to configure a firewall rule to allow
access. See the firewall chapters for details on configuring firewall rules.
Note: The
Remote MGMT
screens are accessible to the
supervisor
level account
only.
Note: The
Remote MGMT
screens should be configured with
Access Control Rule
(
Section 12.5 on page 131
) for applying remote management from WAN/
Internet.
16.2
What You Can Do
Use the
WWW
screen (
Section 16.4 on page 155
) to change your NBG4604’s
World Wide Web settings.
•
Use the
Telnet
screen (
Section 16.5 on page 156
) to configure through which
interface(s) and from which IP address(es) users can use Telnet to manage the
NBG4604.
•
Use the
FTP
screen (
Section 16.6 on page 156
) to configure through which
interface(s) and from which IP address(es) users can use FTP to access the
NBG4604.
•
Your NBG4604 can act as an SNMP agent, which allows a manager station to
manage and monitor the NBG4604 through the network. Use the
SNMP
screen
(see
Section 16.7 on page 157
) to configure SNMP settings. You can also specify
from which IP addresses the access can come.
•
LAN only
•
LAN and WAN
Page 154 / 268
Chapter 16 Remote Management
NBG4604 User’s Guide
154
•
Use the
ACS
screen (
Section 16.8 on page 160
) to configure set up the ACS
server information on your NBG4604.
16.3
What You Need To Know
To disable remote management of a service, select
Disable
in the corresponding
Server Access
field. You may only have one remote management session
running at a time.
16.3.1
Remote Management Limitations
Remote management over LAN or WAN will not work when:
1
You have disabled that service in one of the remote management screens.
2
The IP address in the
Secured Client IP Address
field does not match the client
IP address. If it does not match, the NBG4604 will disconnect the session
immediately.
3
There is already another remote management session with an equal or higher
priority running. You may only have one remote management session running at
one time.
4
There is a firewall rule that blocks it.
16.3.2
Remote Management and NAT
When NAT is enabled:
•
Use the NBG4604’s WAN IP address when configuring from the WAN.
•
Use the NBG4604’s LAN IP address when configuring from the LAN.
16.3.3
System Timeout
There is a default system management idle timeout of five minutes (three
hundred seconds). The NBG4604 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
Page 155 / 268
Chapter 16 Remote Management
NBG4604 User’s Guide
155
16.4
WWW Screen
To change your NBG4604’s World Wide Web settings, click
Management
>
Remote MGMT
to display the
WWW
screen.
Figure 90
Management > Remote MGMT > WWW
The following table describes the labels in this screen
Table 62
Management > Remote MGMT > WWW
LABEL
DESCRIPTION
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.
Server Access
Select the interface(s) through which a computer may access the
NBG4604 using this service.
Secured Client
IP Address
A secured client is a “trusted” computer that is allowed to communicate
with the NBG4604 using this service.
Select
All
to allow any computer to access the NBG4604 using this
service.
Choose
Selected
to just allow the computer with the IP address that
you specify to access the NBG4604 using this service.
Note: This only applies on WAN IP.
Apply
Click
Apply
to save your customized settings and exit this screen.
Reset
Click
Reset
to begin configuring this screen afresh.

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