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HUAWEI HG231f Wireless-N Router
User Guide

7 Maintenance Guide

Issue 01 (2010-04-01)

7-1

7

Maintenance Guide

7.1

Changing the Administrator Password of the

Functio

After logging in to the Web-based configuration utility, you can change the administrator

Web-based Configuration Utility

n Overview

You can configure all the parameters of the router through the Web-based configuration
utility. To prevent unauthorized personnel from changing these parameters, you need to
use the administrator name and password to log in to the Web-based configuration utility.

password.

If you cannot remember the password that has been changed, you can restore the default
settings of the router by pressing and holding the RESET button for more than 3s. In this case,
the login password of the Web-based configuration utility is restored to

admin

. When the

default settings are restored, your customized data is lost. Therefore, use the RESET button

Config

admin

. To change the password to

ount

to display the account

rd

,

enter the new password

MyWebPassword

. In

Confirm password

,

MyWebPassword

again.

Step 6

bmit

.

----End

with caution.

uration Example

For example, the administrator password is

MyWebPassword

, do as follows:

Step 1

Log in to the Web-based configuration utility.

Step 2

In the navigation tree, choose

Maintenance

>

Acc

management page.

Step 3

Select

admin

from the

User Name

drop-down list box.

Step 4

In

Current password

, enter the currently used password

admin

.

Step 5

In

New passwo

password

enter the new
Click

Su

«
...
53
54
55
56
57
...
»

Содержание HG231f

Страница 1: ...HUAWEI HG231f Wireless N Router Wireless N Router User Guide HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...d provides customers with comprehensive technical support and service For any assistance please contact our local office or company headquarters Huawei Technologies Co Ltd Address Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China Website http www huaweidevice com Email terminal huawei com ...

Страница 3: ...ted 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 NO WARRANTY THE CONTENTS OF THIS MANUAL ARE PROVIDED AS IS EXCEPT A...

Страница 4: ...iguration of Internet Access Parameters 4 1 4 1 Logging In to the Web Based Configuration Utility 4 1 4 2 Using the Setup Wizard 4 1 5 Configuration of WLAN Parameters 5 1 5 1 Setting Up a Wireless Connection Through the WPS Button 5 1 5 2 Setting Up a Wireless Connection Through the AP PIN Mode 5 1 5 3 Setting Up a Wireless Connection Manually 5 2 6 Configuring Frequently Used Functions 6 1 6 1 C...

Страница 5: ...Address 6 14 6 9 Allowing Internet Users to Access an Internal Resource Server 6 15 6 10 Expanding the Coverage of a WLAN 6 17 7 Maintenance Guide 7 1 7 1 Changing the Administrator Password of the Web based Configuration Utility 7 1 7 2 Changing the Login IP Address of the Web based Configuration Utility 7 2 7 3 Backing Up or Importing a Configuration File 7 2 7 4 Restoring Default Settings 7 3 7...

Страница 6: ... after the router is installed on the network 3 5 Figure 3 4 Cable connections of a CATV broadband network before the router is installed on the network 3 6 Figure 3 5 Cable connections of a CATV broadband network after the router is installed on the network 3 7 Figure 3 6 Cable connection of a community broadband network before the router is installed on the network 3 8 Figure 3 7 Cable connectio...

Страница 7: ......

Страница 8: ... of the router 2 2 Table 2 2 Indicators of the router 2 3 Table 3 1 Indicators that turn on after the router is powered on 3 2 Table 6 1 Rules for setting the password used for accessing a WLAN 6 5 Table 6 2 Protective effects of the preset protective levels of the firewall 6 11 Table 6 3 WDS working modes 6 17 ...

Страница 9: ......

Страница 10: ... The following table lists the product versions related to this document Product Name Version HG231f V100R001 Intended Audience This document is intended for small office or home office SOHO users Conventions Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a potentially hazardous situation which if not avoided could result in eq...

Страница 11: ...t are defined as follows Convention Description Boldface Buttons menus parameters tabs windows and dialog titles are in boldface For example click OK Multi level menus are in boldface and separated by the signs For example choose File Create Folder Keyboard Operations The keyboard operations that may be found in this document are defined as follows Format Description Key Press the key For example ...

Страница 12: ...de About This Document Issue 01 2010 04 01 3 Action Description Click Select and release the primary mouse button without moving the pointer Double click Press the primary mouse button twice continuously and quickly without moving the pointer ...

Страница 13: ...objects z Do not dismantle the device In case of any fault contact an authorized service center for assistance or repair z Without 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 ...

Страница 14: ...quirements z 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 z Do not use the power adapter if its cable is damaged Otherwise electric shocks or fires may occur z Ensure th...

Страница 15: ...or overbend any cable Otherwise the cable may get damaged causing malfunction of the device z Before cleaning the device stop using it power it off and then remove all the cables connected to it z Use a clean soft and dry cloth to clean the device shell Do not use any cleaning agent or spray to clean the device shell ...

Страница 16: ...ical and Electronics Engineers IEEE 802 11b 802 11g and 802 11n Establishment of a secure wireless connection by pressing th Setup WPS button Easy and secure configuration and management of a WLAN 64 bit and 128 bit Wired Equivalent Privacy WEP encryption Security modes of Wi Fi Protected Access WPA and WPA2 and hybrid cryptosystem Wireless Distrib Low radiation Certification by the Wi Fi Alliance...

Страница 17: ... the power socket with electricity RESET s of the router power on the press and hold the RESET button for at least 3s an N caution To restore the factory setting router d then release the button OTE When the factory settings are restored your custom data is lost Therefore use the RESET button with LAN1 LAN4 Ethernet interfaces used to connect Ethernet devices such as PCs and switches to the router...

Страница 18: ...terface of an Ethernet device such as an ADSL mode network cable but the router is not connected to the Internet INTERNET Off No network cable is connected to the WAN interface of the router or the router is powered off White Blinking The WLAN function is enabled and data is being transmitted on the WLAN White On but no The WLAN function is enabled data is being transmitted on the WLAN WLAN Off Th...

Страница 19: ... device such as a PC through a network cable and data is being transmitted White On through a network cable but no data is being transmitted A connection is set up between the corresponding LAN interface of the router and an Ethernet device such as a PC LAN1 LAN4 No connection is set up between the corresponding LAN interface of the router and an Ethernet device such as a PC Off NOTE ADSL asymmetr...

Страница 20: ...ections between the router and other devices lecting a Position for the Router Place the router 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 the WLAN function of the router you also need to pay attention to the following precautions for a better performance of the WLAN Place the router in an open ...

Страница 21: ... WLAN that is set up through the router and the LAN interfaces of the router For the cable connections of the router on other types of networks see the descriptions in the other sections of this chapter 3 3 Powering On the Router To power on the router connect the power adapter to the POWER interface of the router and then to a power socket Then supply the power socket with electricity If the rout...

Страница 22: ...ernet through the router NOTE In this case you need to configure the router as described in chapter 4 Configuration of Internet Access Parameters WLAN White On The WLAN function is enabled LAN1 LAN4 White On A connection is set up between the corresponding LAN interface of the router and an Ethernet device such as a PC through a network cable 3 4 Installing the Router on an ADSL Broadband Network ...

Страница 23: ...elephone 4 Splitter 5 Telephone line interface on the wall 6 ADSL modem Figure 3 2 takes the Huawei SmartAX MT880d ADSL customer premises equipment CPE as an example of the ADSL modem on the ADSL broadband network Other models of ADSL modems might vary in appearance Their interface types and cable connections however are similar to those of the modem as shown in Figure 3 2 Figure 3 3 shows the cab...

Страница 24: ...6 Telephone line interface on the wall 7 ADSL modem 8 Power adapter of the ADSL modem To install the router on an ADSL broadband network do as follows Step 1 Connect the ADSL modem as described in its user guide Step 2 Use a network cable to connect the WAN interface of the router to the Ethernet interface of the ADSL modem Step 3 Use a network cable to connect any of the four LAN interfaces of th...

Страница 25: ...vide broadband access services To access such a network through your PC you need to use a cable modem Typically CATV companies provide broadband access services through CATV broadband networks Figure 3 4 Cable connections of a CATV broadband network before the router is installed on the network 3 4 2 1 1 PC 2 Cable modem 3 Power adapter of the cable modem 4 CATV network interface on the wall Cable...

Страница 26: ... the cable modem 6 Cable modem 3 6 Installing the Router on a Community Broadband Network In some communities network service providers use Ethernet interfaces as Internet interfaces In such a community you can access the Internet through your PC if a network adapter is installed on the PC Figure 3 6 shows the cable connection of a community broadband network before the router is installed on the ...

Страница 27: ...rk interface on the wall Ethernet interface 2 PC Figure 3 7 shows the cable connections of a community broadband network after the router is installed on the network Figure 3 7 Cable connections of a community broadband network after the router is installed on the network 3 2 POWER RESET LAN4 LAN3 LAN2 LAN1 WAN 1 4 1 Router 2 Power adapter of the router 3 PC 4 Community broadband network interface...

Страница 28: ...efault and then click OK End 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 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 In the Proxy Serv...

Страница 29: ...nections between your PC and the router and between the router and the network access device such as an ADSL modem as prompted ensure that these connections are proper and then click Next If a message is displayed indicating that the connection between your PC and the router or between the router and the network access device such as an ADSL modem is improper you need to check the cable connection...

Страница 30: ...he WPS indicator does not blink it indicates Step 3 of the router becomes on from the blinking state indicating that the connected to your PC through the WLAN This state lasts 300s Then the WPS turns off End Press the WPS button of the router to enable the router to enter the WPS negotiation state The WPS indicator that the WPS function cannot be enabled For the solutions to other WPS problems see...

Страница 31: ...on WPS Mode 4 Click Reset PIN 5 Click Submit Step 2 Record the WPS PIN in the AP PIN text box Detect a WLAN throu Step 4 In the Wireless Network Adapter s software configuration utility select MyNewSSID from the WLAN list Enter th End z After finishing the configuration if the other PCs need to set a wireless connection through the AP PIN mode please repeat Step 3 to Step 6 z Click Reset PIN the W...

Страница 32: ...e Properties from the shortcut menu 4 In the Wireless Zero Configuration Properties Local Computer dialog box check whether Service status is Started If not click Start 5 Click OK to close the dialog box and then close the Computer Management window Step 3 Configure the wireless network connection on your computer 1 Choose Start All Programs Accessories Communications Network Connections 2 In the ...

Страница 33: ...tion of WLAN Parameters HUAWEI HG231f Wireless N Router User Guide 5 4 Issue 01 2010 04 01 After finishing the configuration if the other PCs need to setting up a wireless connection manually please repeat Step 3 ...

Страница 34: ...he desktop computers and the laptop to access the Internet simultaneously In this example the laptop is configured to access the Internet wirelessly Most configurations of the router are completed befor connect the desktop computers and the laptop to the router and set certain In parameters of the router as follows Connect the two desktop computers to the router by For details see chapter 3 Hardwa...

Страница 35: ... on the WLAN the router provides multiple security related settings for the WLAN function You can change these settings as required to protect your WLAN from unauthorized access 6 3 1 Hiding the Name of a WLAN Function Overview When accessing a WLAN the user of a wireless client needs to enter the correct name of the WLAN that is the service set identifier SSID of the WLAN Generally the wireless s...

Страница 36: ...guration utility Step 2 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed Step 3 Select SSID1 for SSID Index Step 4 Set Enable SSID to Enable Step 5 Set Hide Broadcast to Enable and then click Submit Step 6 Select SSID2 for SSID Index Step 7 Clear Enable for Enable SSID Then click Submit Step 8 Repeat Step 6 and Step 7 to disable other SSIDs End If you consider the ...

Страница 37: ...nd data is being transmitted after secure encryption Thus only authorized persons can use the WLAN and the data transmitted on the WLAN is protected against unauthorized access The router supports WEP encryption and multiple security modes such as WPA PSK and WPA2 PSK thus meeting security requirements in diversified network environments It is recommended that you set the security mode to WPA PSK ...

Страница 38: ... the router at home to select an optimum security mode plan the parameters as follows z Set the security mode to WPA PSK WPA2 PSK z Set the encryption mode to AES z Set the password used for accessing the WLAN to MyPassword 2009 To set the preceding parameters do as follows Step 1 Log in to the Web based configuration utility Step 2 In the navigation tree choose Basic WLAN The WLAN configuration p...

Страница 39: ...e security of the WLAN This maximum number ranges from 1 to 32 For example you have only one laptop that needs to be connected to the WLAN You can set this maximum number to 1 After your laptop is connected to the WLAN other PCs cannot be connected to the WLAN Configuration Example For example you have a desktop computer and a laptop at home The SSID of your WLAN is MyNewSSID The desktop computer ...

Страница 40: ... the preceding requirements can be met after you enter the MAC addresses of the PCs to be controlled The MAC address filtering function can be implemented in the following modes z Blacklist The PCs whose MAC addresses are listed in the filtering list are prohibited from accessing the Internet z Whitelist The PCs whose MAC addresses are listed in the filtering list are allowed to access the Interne...

Страница 41: ...uration page is displayed Step 3 Select Enable auto synchronization with network time Step 4 Select a time service address for Time server 1 For example you can select clock fmt he net Step 5 Select your time zone for Time zone For example if you are in China you can select GMT 08 00 Beijing Chongqing Hong Kong Urumqi Step 6 Click Submit Step 7 In the navigation tree choose Advanced Parent Control...

Страница 42: ...Pro n Overview You can prohibit PCs from only specified Web sites Through the Uniform Resource Locator URL filtering function of the router the preceding re controlled The URL filtering function can be implemented in the following modes z Blacklist Users cannot access the Web sites in the filtering rule list z Whitelist Users can access only the Web sites in the filtering rule list uration Example...

Страница 43: ... Each PC can be configured with only one bandwidth control rule A bandwidth control rule distinguishes different PCs based on the IP addresses of the PCs It is recommended that you configure your PC to obtain an IP address from the router automatically After the IP address of your PC is obtained you can configure the bandwidth control rule based on this IP address The router can record the mapping...

Страница 44: ...venting Attacks on the Internet Function Overview The Internet is an open network that is connected to PCs all over the world Therefore the PCs on the Internet may be attacked anytime The router provides powerful firewall functions By using the firewall a protective shelter is established between your home network and the Internet thus protecting your PC from attacks on the Internet The firewall o...

Страница 45: ...ium Standard Low Disable The user of a PC on a LAN browses Web pages The user of a PC on a LAN downloads files from an FTP server The user of a PC on a LAN accesses the shared folder of another PC in a different network segment through the router The user of a PC on a LAN performs other accessing operations on the Internet An Internet user runs the ping command to test the connectivity between the...

Страница 46: ...andard Thus the network security can be ensured and most requirements for using the network can be met If you have special requirements for using the network you can set the protective level as required or define more firewall rules Configuration Example For example you have stringent requirements on network security To allow the PCs on a LAN to only browse Web pages and prohibit Internet users fr...

Страница 47: ...ve the restriction caused by the binding of the Internet access account and the MAC address Through this function the MAC address used during the communications between the router and the network devices of a network service provider is the MAC address that is bound to the Internet access account Thus the router can be connected to the Internet properly Configuration Example For example you use PC...

Страница 48: ...ing the Internet are dynamically assigned by network service providers Thus Internet users cannot use fixed IP addresses to access the resources provided on servers Through the Dynamic Domain Name Service DDNS function of the router Internet users can use fixed domain names to access the resources provided on servers After the DDNS function is enabled the router automatically submits the new IP ad...

Страница 49: ... NAT page is displayed Step 3 Click Port Mapping Step 4 Click Step 5 Select Application Then select Security Web server HTTPS for Application The port mapping function of the router provides parameter setting templates of multiple applications After a template is selected the router sets certain parameters automatically You can change the parameter settings as required You can also set all the par...

Страница 50: ...er to the WDS MAC list Repeater It is used to expand the coverage of a WLAN The router can set up a connection with another wireless router or wireless client On each router add the wireless MAC address of the peer router to the WDS MAC list Lazy The function in this mode is the same as that in repeater mode No WDS MAC list however is required to be configured on the router in lazy mode No WDS MAC...

Страница 51: ...lay function on other wireless routers Configuration Example For example you have router A in your spacious house The signals of router A cannot cover the area that is far from the router In this case you can add another router that is router B By configuring the WDS function on the two routers you can expand the coverage of a WLAN The parameters of the routers are planned as follows Router A z Se...

Страница 52: ...e default settings of the parameters that do not need to be changed Step 1 Find and record the wireless MAC addresses of router A and router B 1 Log in to the Web based configuration utility of a router 2 In the navigation tree choose Status Device Information WLAN The WLAN status page is displayed 3 Record the value of Wireless MAC The value of Wireless MAC is a character string that is similar t...

Страница 53: ...ode 1 SSID Index SSID1 SSID mySSID Enable SSID Enable Security Mode WPA PSK WPA2 PSK WPA Encryption AES WPA Pre Shared Key MyPassword 2009 4 Click Submit Step 5 Configure the WDS function of router B 1 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed 2 Click WLAN WDS 3 Select Enable 4 Select Repeater for WDS Mode 5 Click 6 Select mySSID for Select SSID 7 In MAC Add...

Страница 54: ...rver clear Enable 3 Under DHCP Server click Submit Step 8 Enable the DHCP relay function of router B 1 In the navigation tree choose Advanced Link Interface The link interface configuration page is displayed 2 Click Port Relay 3 Click 4 Select LAN1 for LAN port 5 Set DHCP relay to Enable 6 Click Submit 7 Repeat 3 to 6 to enable the DHCP relay function for each port in the LAN port drop down list b...

Страница 55: ... default settings of the router by pressing and holding the RESET button for more than 3s In this case the login password of the Web based configuration utility is restored to admin When the default settings are restored your customized data is lost Therefore use the RESET button Config admin To change the password to ount to display the account rd enter the new password MyWebPassword In Confirm p...

Страница 56: ...the subnet mask is 255 255 255 0 The IP address is used by the router to communicate with your PC on the current network You can also change th IP address of the LAN interface ensure that the IP address of the computer and the IP address of the LAN interface of the router are in the same network segment to enable the computer to access the Web based configuration utility In this case to access the...

Страница 57: ... Log in to On the Configuration File tab click Download Step 4 In the displayed dialog box set the name and sto Then click OK End To import the configuration file do Log in to Step 3 On the Configuration File tab click Browse Step 4 In the displayed dialog box select the backup Step 5 Click Upload Co End storing Default Settings The router provides powerful functions and rich parameters Many param...

Страница 58: ...click Restore Default Settings 7 5 Upgrading Software By using the software the latest version During the upgrade do not power off the router otherwise the router may get damaged Configuration Example You http ww can download the latest software from the technical support Web site w huaweidevice com To upgrade the software of the router do as follows Step 1 Log in to the Web based configuration ut...

Страница 59: ...f the router Step 2 Ensure that your Web browser does not use a proxy server Ensure that you have entered the correct user name and user pas accessing the router configuration page If the pro End Does the WPS function have any s cryption settings of the router The WPS function can be used only when the security mode of the WLAN is set to WPA PSK or WPA2 PSK and the SSID is set to SSID1 It is recom...

Страница 60: ...s Ensure that the power cables and telephone lines of the router are properly connected Check whether the WLAN indicator of the router is on If the WLAN indicator is off you can infer that the wireless local area network WLAN function of the router is disabled In this case enable the WLAN function For details about how to enable the WLAN function see the manual of the router See the description of...

Страница 61: ...ion effects of WLAN radio sign or wooden walls Step 3 Place your computer close to your router If your com Step 4 Place your router and computer in another direction Step 5 Do not use your router to access a WLAN during thunderstorms End router is not encrypted and the mputer cannot access the WLAN Step 1 Del k connections from your computer ab ireless network connection all the other wireless net...

Страница 62: ...2 to 104 Relative humidity operation for 5 to 95 non condensing WLAN standards 802 11b 802 11g and 802 11n 2 4 GHz 802 11b 1 Mbit s 2 Mbit s 5 5 Mbit s and 11 Mbit s 802 11g 6 Mbit s 9 Mbit s 12 Mbit s 18 Mbit s 24 Mbit s 36 Mbit s 48 Mbit s and 54 Mbit s Wireless transmission rates a R antenna used Mbit s 108 0 bit s 135 0 Mbit s and 150 0 Mbit s 802 11n 1T 1 6 Mbit s 6 5 Mbit s 13 0 Mbit s 13 5 ...

Страница 63: ...Settings Issue 01 2010 04 01 B 1 B Default Settings Parameter Default Value IP address of the LAN interface 192 168 1 100 Subnet mask of the LAN interface 255 255 255 0 Administrator name admin Administrator password admin DHCP server Enabled WLAN Enabled ...

Страница 64: ... Information Interchange tocol e Service SL igital Subscriber Line TP ile Transfer Protocol TTP yper Text Transport Protocol E l and Electronics Engineers ternet Protocol AN ocal Area Network AC edia Access Control T etwork Address Translation A D DHCP Dynamic Host Configuration Pro DDNS Dynamic Domain Nam DNS Domain Name Server D D F F F H H H I IEE Institute for Electrica IP In L L L M M M N NA ...

Страница 65: ...to Point Protocol over Ethernet oS uality of Service IP outing Information Protocol SID ervice Set Identifier ork y s WPS Wi Fi Protected Setup P P P Q Q Q R R R S S S W WAN Wide Area Network WDS Wireless Distribution System WLAN Wireless Local Area Netw WEP Wired Equivalent Privac WPA Wi Fi Protected Acces ...

Страница 66: ...HUAWEI TECHNOLOGIES CO LTD Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China www huaweidevice com Part Number 202201 ...

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