Huawei HG256 User manual

HUAWEI HG256 Home Gateway
User Guide
HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI HG256
V100R001
User Guide
Issue 03
Date 2010-06-09
Part Number 202238
Huawei Technologies Co., Ltd. provides customers with comprehensive technical
support and service. For any assistance, please contact our local office or company
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Huawei Technologies Co., Ltd.
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Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: [email protected]
Huawei Proprietary and Confidential
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Copyright © Huawei Technologies Co., Ltd. 2010. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any
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The product described in this manual may include copyrighted software of Huawei
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holders under licenses.
Trademarks and Permissions
, , and are trademarks or registered trademarks of Huawei
Technologies Co., Ltd.
Other trademarks, product, service and company names mentioned are the property
of their respective owners.
Notice
Some features of the product and its accessories described herein rely on the
software installed, capacities and settings of local network, and may not be activated
or may be limited by local network operators or network service providers. Thus the
descriptions herein may not exactly match the product or its accessories you
purchase.
Huawei Technologies Co., Ltd reserves the right to change or modify any information
or specifications contained in this manual without prior notice or obligation.
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THE CONTENTS OF THIS MANUAL ARE PROVIDED “AS IS”. EXCEPT AS
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HUAWEI HG256
User Guide Contents
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i
Contents
1 Warnings and Precautions .................................................................................. 1-1
2 Product Overview ................................................................................................. 2-1
2.1 Product Features.......................................................................................................... 2-1
2.2 Hardware..................................................................................................................... 2-1
2.2.1 Interfaces and Buttons..................................................................................... 2-1
2.2.2 Indicators......................................................................................................... 2-2
3 Hardware Installation and Quick Start ............................................................ 3-1
3.1 Selecting a Position for the HG256 ............................................................................. 3-1
3.2 Knowing Cable Connections....................................................................................... 3-1
3.3 Powering On the HG256 ............................................................................................. 3-2
3.4 Logging In to the Web-Based Configuration Utility ................................................... 3-3
4 Configuration of WLAN Parameters................................................................. 4-1
4.1 Setting the WLAN Parameters of the Router .............................................................. 4-1
4.2 Setting Up a Wireless Connection by the WPS Button ............................................... 4-1
4.3 Setting Up a Wireless Connection Manually............................................................... 4-1
5 Configuration of VoIP ......................................................................................... 5-1
5.1 Networking..................................................................................................................5-1
5.2 Configuration Procedure ............................................................................................. 5-2
6 Configuring Frequently Used Functions.......................................................... 6-1
6.1 Enabling or Disabling the WLAN Function................................................................ 6-1
6.2 Improving the Security of a WLAN ............................................................................ 6-1
6.2.1 Hiding the Name of a WLAN ......................................................................... 6-1
6.2.2 Changing the Name of a WLAN..................................................................... 6-3
6.2.3 Using Secure Encryption................................................................................. 6-3
6.2.4 Allowing Only Specified PCs to Be Connected to a WLAN .......................... 6-5
6.3 Using the Home Storage Function............................................................................... 6-7
6.4 Controlling the Internet Access Rights of PCs ............................................................ 6-9
6.5 Prohibiting PCs from Accessing Specified Web Sites .............................................. 6-10
6.6 Preventing Attacks on the Internet ............................................................................ 6-11

Contents
HUAWEI HG256
User Guide
ii Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
7 Maintenance Guide..............................................................................................7-1
7.1 Changing the Password of the Web-based Configuration Utility................................ 7-1
7.2 Changing the Login IP Address of the Web-based Configuration Utility ................... 7-1
7.3 Backing Up or Importing a Configuration File ........................................................... 7-2
7.4 Restoring Default Settings........................................................................................... 7-3
7.5 Upgrading Software .................................................................................................... 7-4
8 FAQs........................................................................................................................ 8-1

HUAWEI HG256
User Guide Figures
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iii
Figures
Figure 3-1 Cable connections ........................................................................................... 3-2
Figure 5-1 Network model of voice services.................................................................... 5-1
Figure 6-1 Home storage connection................................................................................ 6-8

HUAWEI HG256
User Guide Tables
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v
Tables
Table 2-1 Interfaces and buttons of the HG256 ................................................................ 2-1
Table 2-2 Indicators of the HG256 ................................................................................... 2-2
Table 6-1 Rules for setting the password used for accessing a WLAN............................. 6-4
Table 6-2 Protective effects of the preset protective levels of the firewall...................... 6-12

HUAWEI HG256
User Guide 1 Warnings and Precautions
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1-1
1 Warnings and Precautions
To use the device properly and safely, read these warnings and precautions carefully and
strictly observe them during operation. Unless otherwise specified, the term "device"
e and its accessories.
Basic R
zWhen using the device, observe all applicable laws and regulations and respect the
Enviro
z
ring
appliances that generate strong magnetic or
zevice in a cool and well-ventilated indoor area. Do not expose the device
z
liquid enters the device, stop using the device immediately, power it
zDuring thunderstorms, power off the device, and then remove all the cables
connected to it to prevent it from getting damaged due to lightning strikes.
refers to the devic
equirements
zDuring storage, transportation, and operation of the device, keep it dry and prevent it
from colliding with other objects.
zDo not dismantle the device. In case of any fault, contact an authorized service center
for assistance or repair.
zWithout authorization, no organization or individual can change the mechanical,
safety, or performance design of the device.
legal rights of other people.
nmental Requirements for Using the Device
Before connecting and disconnecting cables, stop using the device, and then
disconnect it from the power supply. Ensure that your hands are dry du
operation.
zKeep the device far from sources of heat and fire, such as a heater or a candle.
zKeep the device far from electronic
electric fields, such as a microwave oven or a refrigerator.
zPlace the device on a stable surface.
Place the d
to direct sunlight. Use the device in an area with a temperature ranging from 0°C to
40°C.
zDo not block the openings on the device with any object. Reserve a minimum space
of 10 cm around the device for heat dissipation.
Do not place any object (such as a candle or a water container) on the device. If any
foreign object or
off, remove all the cables connected to it, and then contact an authorized service
center.

1 Warnings and Precautions
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Precau
z
z
z
zce into operating rooms, intensive care units (ICUs), or coronary
Areas w
z
or fires may occur. In
zor transport the device in the same box as inflammable liquids, gases, or
Access
z
z
zpower adapter meets the specifications indicated on the device
z
/EN60950-1 and it is tested and approved according to national or local
Safety
ay
all
ice, causing suffocation or other dangerous situations.
Mainte
z
z
tions for Using Wireless Devices
The antenna(s) used for this transmitter must be installed to provide a separation
distance of at least 20 cm from all persons.
Do not use the device where using wireless devices is prohibited or may cause
interference or danger.
The radio waves generated by the device may interfere with the operation of
electronic medical devices. If you are using any electrical medical device, contact its
manufacturer for the restrictions on the use of the device.
Do not take the devi
care units (CCUs).
ith Inflammables and Explosives
Do not use the device where inflammables or explosives are stored, for example, in a
gas station, oil depot, or chemical plant. Otherwise, explosions
addition, follow the instructions indicated in text or symbols.
Do not store
explosives.
ory Requirements
Use only the accessories supplied or authorized by the device manufacturer.
Otherwise, the performance of the device may get affected, the warranty for the
device or the laws and regulations related to telecommunications terminals may
become null and void, or an injury may occur.
Do not use the power adapter if its cable is damaged. Otherwise, electric shocks or
fires may occur.
Ensure that the
nameplate.
Ensure that the power adapter meets the requirements of Clause 2.5 in
IEC60950-1
standards.
of Children
Keep the device and its accessories out of the reach of children. Otherwise, they m
damage the device and its accessories by mistake, or they may swallow the sm
components of the dev
nance
If the device is not used for a long time, power it off, and then remove all the cables
connected to it.
If any exception occurs, for example, if the device emits any smoke or unusual sound
or smell, stop using the device immediately, power it off, remove all the cables
connected to it, and then contact an authorized service center.

HUAWEI HG256
User Guide 1 Warnings and Precautions
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1-3
ion of the device.
zUse a clean, soft, and dry cloth to clean the device shell. Do not use any cleaning
agent or spray to clean the device shell.
zDo not trample, pull, or overbend any cable. Otherwise, the cable may get damaged,
causing malfunct
zBefore cleaning the device, stop using it, power it off, and then remove all the cables
connected to it.

HUAWEI HG256
User Guide 2 Product Overview
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2-1
2 Product Overview
2.1 Pr
ect various home terminal
vide
um and
zLocal and remote configuration through a Web-based configuration utility.
2.2.1 In
Table 2-1 the HG256.
Tbut 56
oduct Features
The HUAWEI HG256 home gateway (hereinafter referred to as the HG256) provides a
user-friendly GUI, complemented by a fresh and unique appearance. On the network
side, it provides a high-speed Gigabit Ethernet interface for wide area network (WAN)
access. It supports the wireless local area network (WLAN) function on the user side and
provides four Ethernet interfaces through which you can conn
devices, such as personal computers (PCs) and Internet Protocol (IP) set-top boxes
(STBs), to the Internet. It supports the following functions:
zAccessing the Internet through a Gigabit Ethernet (GE) interface to pro
services.
high-speed broadband access
zProvides the Voice over IP (VoIP) service and supports value-added services.
zIP quality of service (QoS).
zThe HG256 is fully compatible with the TR-069 standard of the DSL For
provides ideal remote management and diagnosis functions.
2.2 Hardware
terfaces and Buttons
describes the interfaces and buttons of
able 2-1 Interfaces and tons of the HG2
Interface or Button Description
POWER Interface used to connect the power adapter to the
HG256.
RESET the HG256, power on
ESET button for at least
N
To restore the factory settings of
s and hold the R
the HG256, pres
3s, and then release the button.
OTE
When the factory settings are restored, your custom data is
lost. Therefore, use the RESET button with caution.
LAN1–LAN4 Ethernet interfaces used to connect Ethernet devices,
such as PCs, to the HG256.

2 Product Overview
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Interface or Button Description
PHONE It is used to connect the phone to the HG256.
WAN thernet devices that
Ethernet interface used to connect E
provide Internet access interfaces.
WPS Button used to enable the WPS function.
WLAN It is used to enable or disable the WLAN function.
ON/OFF It is used to power on or off the HG256.
WPS is a standard for easy and secure establishment of a WLAN. Through the WPS function,
you can access a WLAN on your wireless terminal devices securely without entering the name
ord of the WLAN.
2.2.2 In
Table 2-2 the HG256.
Ticat e
and passw
dicators
describes the indicators of
able 2-2 Ind ors of th HG256
Indicator Color
Status Indicates
Gr een On The HG256 is powered on.POWER
- Off The HG256 is powered off.
Green Blinking
ted.
The LAN connection is successfully
established and data is being transmit
Green On
ted.
The LAN connection is successfully
established but no data is being transmit
WAN
- Off AN
The HG256 is powered off or the L
connection is not yet established.
Green On
ut no
g transmitted on the WAN
A connection is set up between the Internet
and the WAN interface of the HG256, b
data is bein
interface.
A physical connection is set up, but the
HG256 is not connected to the Internet.
Red On
INTERNET
- Off N
No network cable is connected to the WA
interface, or the HG256 is powered off.

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User Guide 2 Product Overview
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2-3
Indicator Color
Status Indicates
Green Blinking
itted on the WLAN.
The WLAN function is enabled and data is
being transm
Green ta is
.
On The WLAN function is enabled, but no da
being transmitted on the WLAN
WLAN
- Off The WLAN function is disabled.
Green On The HG256 is successfully registered with the
SIP server.
VOIP
- Off The HG256 is powered off or fails to
registered with the SIP server.
be
Green Blinking
G256
et device (such as a PC) through
smitted.
A connection is set up between the
corresponding LAN interface of the H
and an Ethern
a network cable and data is being tran
Green On
256
through
A connection is set up between the
corresponding LAN interface of the HG
and an Ethernet device (such as a PC)
a network cable, but no data is being
transmitted.
LAN1,
LAN2,
LAN3,
LAN4
- Off No connection is set up between the
corresponding LAN interface of the HG256
and an Ethernet device (such as a PC).
Green Blinking ly
established and data is being transmitted.
The USB connection is successful
Green On The USB connection is successfully
established but no data is being transmitted.
USB
- Off The HG256 is powered off or the USB
connection is not yet established.

HUAWEI HG256
User Guide 3 Hardware Installation and Quick Start
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3 Hardware Installation and Quick Start
3.1 Se
the
of the HG256, you also need to pay attention to the following
z
the HG256. Otherwise, the transmission of
ziances (such as a
microwave oven) that generate strong magnetic or electric fields.
3.2 Knowing Cable Connections
Figure 3-1 shows the cable connections.
lecting a Position for the HG256
Place the HG256 in a stable and well-ventilated place and do not expose it to direct
sunlight, as described in chapter 1 "Warnings and Precaution." If you want to use
WLAN function
precautions for a better performance of the WLAN:
Place the HG256 in an open space and ensure that no obstacle, such as a cement or
wooden wall, exists between your PC and
radio signals on the WLAN is affected.
Ensure that the HG256 and your PC are far from the electric appl

3 Hardware Installation and Quick Start
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Figure 3-1 Cable connections
1 Network jack on the wall 2 Phone 3 PC
4 Set-top box 5 Power adapter
3.3 Powering On the HG256
To power on the HG256, finish the cable connections and press the ON/OFF button on
the side panel of the HG256. After you power on the HG256, if the HG256 works
properly, the indicators on the front panel turn on. HG256 works properly according to
the descriptions in Table 2-2.

HUAWEI HG256
User Guide 3 Hardware Installation and Quick Start
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3-3
3.4 Logging In to the Web-Based Configuration Utility
The HG256 provides an easy-to-use Web-based configuration utility. You can view and
set the parameters of the HG256 through this utility.
To log in to the Web-based configuration utility, do as follows:
Step 1 Set the network connection of your PC and ensure that your PC obtains an IP address
automatically.
By default, the DHCP function of the HG256 is enabled. In this case, the HG256 assigns an IP
address to your PC automatically and you do not need to configure the IP address of your PC.
Step 2 Start the Internet Explorer on your PC and ensure that the Internet Explorer does not use
any proxy server.
Take the Internet Explorer 6.0 as an example. To ensure that the Internet Explorer does
not use any proxy server, do as follows:
1. Start the Internet Explorer. Choose Tools > Internet Options.
2. On the Connect tab of the Internet Options dialog box, click LAN Settings.
3. In the Proxy Server area, ensure that Use the proxy server for LAN is cleared. If
Use the proxy server for LAN is selected, clear Use the proxy server for LAN,
and then click OK.
Step 3 In the address bar of the Internet Explorer, enter http://192.168.1.1, and then press
Enter.
Step 4 In the Login dialog box, enter the user account (admin by default) and the password
(admin by default), and then click OK.
----End

HUAWEI HG256
User Guide 4 Configuration of WLAN Parameters
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4 Configuration of WLAN Parameters
4.1 Se
re preset before delivery. Therefore, you can use
e the WLAN settings, see section 6.2
"Improving the Security of a WLAN."
ng Up a Wireless Connection by the WPS
Butto
ports the WPS
Step 1 the HG256 to enable the HG256 to enter the WPS negotiation
N indicator of the HG256 blinks.
tting the WLAN Parameters of the Router
The HG256 provides the WLAN function on a LAN. If a wireless network adapter is
installed on your PC, you can connect your PC to the HG256 in the wireless manner.
The WLAN parameters of the HG256 a
the settings directly. If you want to chang
4.2 Setti
n
The HG256 supports the WPS function. If your network adapter also sup
function, you can use the WPS function to set up a wireless connection between your PC
and the HG256 quickly. To set up a wireless connection, do as follows:
Press the WPS button of
state. The WLA
If the WLAN indicator does not blink, it indicates that the WPS function cannot be enabled.
Note that the WPS function can be used only when the security mode of the WLAN is set to
WPA-PSK or WPA2-PSK. For the solutions to other WPS problems, see chapter 8 "FAQs."
Step 2
indicator of the HG256 becomes on from the blinking state, indicating that the
connected to your PC through the WLAN.
----End
4.3 Se
function, you can set up a wireless
ly. To manually set up a wireless
Enable the WPS negotiation function of the wireless network adapter on your PC within
two minutes, and then wait for a moment (typically 10s and at most 120s).
The WPS
HG256 is
tting Up a Wireless Connection Manually
If your network adapter does not support the WPS
connection between your PC and the HG256 manual
connection, use either of the following methods:
zUse the tool provided by your network adapter.
For details, see the user guide of your network adapter.

4 Configuration of WLAN Parameters
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z
runs on Windows XP, you can use the Wireless Zero Configuration that is
ction between your PC and
ually, do as follows:
Step 1
Use the wireless configuration software provided by the operating system of your
PC.
If your PC
provided by Windows XP to set up a wireless connection between your PC and the
HG256.
Takes Windows XP as an example, to set up a wireless conne
the HG256 man
Record the WLAN name and the WLAN access password.
The WLAN name (SSID) and WLAN access password of the HG256 are preset before
Step 2
1. se Manage from the shortcut menu.
3. s listed in the right pane of the Computer Management window,
ther Service status is Started. If not, click Start.
omputer Management
Step 3 Con less network connection on your computer.
ose Properties from the shortcut menu.
select Wireless
5.
6. lect the WLAN with the same
f the dialog box.
Connected is displayed in the upper right corner of
s connection is set up
e Wireless Network Connection dialog box.
9. In the Wireless Network Connection Properties dialog box, click OK.
----End
delivery. You can find them from the label on the rear panel of the HG256.
Enable the wireless configuration service provided by Windows XP.
Right-click My Computer, and then choo
2. In the Computer Management window, choose Computer Management (Local)
> Services and Applications >Services.
From the service
right-click Wireless Zero Configuration, and then choose Properties from the
shortcut menu.
4. In the Wireless Zero Configuration Properties (Local Computer) dialog box,
check whe
5. Click OK to close the dialog box, and then close the C
window.
figure the wire
1. Choose Start > All Programs > Accessories > Communications > Network
Connections.
2. In the Network Connections window, right-click Wireless Network Connection,
and then cho
3. In the Wireless Network Connection Properties dialog box,
Networks.
4. Select Use Windows to configure my wireless network settings.
Click View Wireless Networks.
In the Wireless Network Connection dialog box, se
name as the WLAN name that you have recorded from the WLAN list, and then click
Connect in the lower right corner o
7. In the displayed dialog box, enter the WLAN access password that you have
recorded, and then click Connect.
After the password is authenticated,
the WLAN icon in the WLAN list, indicating that a wireles
between you PC and the HG256.
8. Close th

HUAWEI HG256
User Guide 5 Configuration of VoIP
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5-1
5 Configuration of VoIP
The HG256 supports voice services based on the Session Initiation Protocol (SIP).
The SIP is an application layer protocol used to create, modify, or end multimedia
sessions.
5.1 Networking
Figure 5-1 Network model of voice services
HG256
Telephone
BRAS
Computer
IP
Proxy
Server
Registrar
Server
Equipment Description
Proxy Server A server that forwards requests or responses in place of the client
Registrar Server questsA server that receives registration re
BRAS Broadband Remote Access Server

5 Configuration of VoIP
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5.2 Configuration Procedure
You can use the default value for this parameter to use the VoIP service. In general, this
parameter does not need to be configured.