What should I do if no networks found in the WLAN mode using B970b?
1.Connect the router using the supplied ethernet cable
2.Make sure that you have turned WLAN on in the Management Interface
3.Make sure that SSID Broadcast is enabled in the Management Interface

4.Reset the router

What are the differences among manual, on demand and Auto modes of PPP connection? How do I put them into application?
You can modify it in “Advanced Settings->Dial-up Settings->PPP Settings” page, in “PPP Connection” list you can select the dial-up connection mode.
The differences among Manual, On Demand and Auto modes are described as follows:
a) On Demand: The gateway automatically dials to connect internet when you attempt to send data through internet.
b) Manual: The gateway dials to connect internet by clicking “Connect” on the connection page of the management console.
c) Auto: The gateway automatically dials to access internet when it is switched on

If I forgot my password, how can I restore the Router back to its factory settings?
To reset your Router Management Interface password, you must reset your Router to the factory default settings. a) On one side of the router, there is a reset button. Press the reset button for five seconds and the router will be reset to the factory settings. Please notice that: this will change all settings including any modified Wi-Fi settings back to the factory presets. b) Please log into the management page, Advanced Settings -> System -> Restore Defaults, restore the default settings.

Why is the WLAN (Wireless) speed of my router slower than expected?
Check devices/objects that may block the signal such as other wireless devices (mobile phones for example), any electrical cabling or large structures in the house like brick walls etc. And try to move the router to combat these issues.

How many PCs can I connect to my router?
You can connect your PC using Ethernet cables and also have multiple computers connected to the Router using WLAN. Generally, the number of users accessing router simultaneously is no more than 32.

How many hosts can be specified as a DMZ host on B970b at a time?
Only one computer can be specified as a DMZ host at a time. The Demilitarized (DMZ) function allows the computer to be exposed to the Internet. You can modify it in “Security->DMZ Settings”.

What to do if a PC in the LAN cannot access the Internet?
1. If the power indicator is off, you need to check whether the power adapter is normally connected.
2. If the signal strength indicator is off, you need to check whether the area is covered by the network.

3. If the area is covered by the network, you need to check whether the network mode is correct. For information about network mode, see “Mobile Network Settings”.
4. If the indicator of the Ethernet interfaces blinks, the corresponding Ethernet interface is normally connected. If the indicator is off, you need to check and ensure that the related Ethernet connection is normal.
5. You must configure the correct PPP user name and PPP password when you access the Internet through the device. Check whether they are correct, and see “Configuring PPP Profile Settings” for details.
6. If the DHCP service is disabled and the PC obtains the IP address dynamically, the PC also cannot access the Internet. You can change the mode to manually assign an IP address. See “Configuring the Network Connection”.
7. Check whether the driver of the network adapter is correctly installed.
8. If the preceding methods cannot solve the problem, please consult your service provider.

What to do if a PC in the WLAN cannot access the WLAN?
1. If interferences or shields near the device exist, you can adjust the position of the device. When the signal strength is strong, you can move to the next step.
2. Check and record the following data on the network adapter of your PC: SSID, WEP type, and key.
3. Check and record the following data on the device: SSID, WEP type, and key.
4. Compare the recorded data, the SSID on the network adapter should be ANY or be the same as that on the device. The WEP type and key on the network adapter and device should be the same. Otherwise, you need to change the data on the network adapter.

What to do if I forgot the IP address of the LAN interface?
If you forgot the IP address of the LAN interface, you can enter http://e.home and log in to the management page when the PC obtains the IP address automatically.

What to do if bridging between two devices is unsuccessful?
1. Make sure that the two devices work on the same channel. For details, see “Selecting a WLAN Channel”.
2. Make sure that the MAC address of one device is in the peer MAC address list of the other device. For details, see “WLAN Bridge”.

When the signal strength is normal, what to do if the downloading rate is low?
In this case, you need to set the value in the registry as follows:
1. Choose Start > Run.
2. Enter regedit in the Open text box and then click OK.
3. Select parameters in the following directory: \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip.
4. Choose Edit > New > DWORD Value.
5. Rename New Value #1 to TcpWindowSize.
6. Right-click TcpWindowSize and then select Modify.
7. Select Decimal and enter 65535 in the Value data text box, and then click OK.
8. For the DWORD Value of DefaultRcvWindow, do the same operations as that of TcpWindowSize.

Click Security. You can configure the advanced security settings.

Firewall Switch
B970b router has a true firewall that controls the incoming and outgoing data flow and protects your computer from illegal intrusion.
1. Click firewall icon.
2. Select the Enable the firewall (main switch of the firewall) check box to enable the firewall.
Note
• Only when the Enable the firewall check box is selected, the other functions such as the IP address filter function, the MAC address filter function, and the WAN port ping function are available.
• When the Enable LAN MAC address filter check box is selected, the default filter rules are available.
3. Select other options as required, and then click Apply.

LAN MAC Filter
Huawei B970b supports MAC filtering based on a list of either denied or allowed computers. A common method to restrict network access is to specify the Media Access Control (MAC) address.
To locate the MAC address in the Windows OS, choose Start > Run, and then enter cmd.
The command window is displayed, enter ipconfig/all, and then press Enter.
The MAC address is displayed as the Physical Address.
1. Click MAC address icon.
2. Select LAN MAC Filter Mode.
3. Enter the MAC addresses of the clients and click Apply.

LAN IP Filter
You can configure the device to block specific IP
addresses so that they cannot be accessed from computers in the local network.
1. Click LAN IP icon.
2. Select Protocol and Status.
3. Enter the IP addresses and corresponding ports to be blocked from accessing the LAN.
4. Click Ok.
• Validate: Click Apply.
• Edit: Click edit icon in the Modification column.
• Delete: Click delete icon in the Modification column.

Virtual Server
B970b wireless router supports the virtual server to enable external computers to access WWW, FTP, or other services provided by the LAN.
1. Click virtual server icon.
2. Select Protocol and Status.
3. Enter values in the following text boxes:
• Name: Enter a name to the service provided by the LAN.
• WAN Port: Enter the WAN port of the LAN in which the computer provides services.
• IP Address: Specify a computer in the LAN to provide services.
• LAN Port: Enter the LAN port of the computer that provides services.
Note: You can also add a virtual server in the following way: select a port from the Common Port list. The Protocol, Status, Name, WAN Port, and LAN Port will be set as the default values. If required, you can change them.
4. Click Ok.
• Validate: Click Apply.
• Edit: Click edit icon in the Modification column.
• Delete: Click delet icon in the Modification column.

DMZ Settings
If your PC cannot run network applications through the device, you can set the computer to access the Internet unlimitedly by configuring the IP address of the computer in the demilitarized zone (DMZ).
However, the DMZ computer is not protected by the firewall. It is vulnerable to attack and may also put other computers in the home network at risk.
1. Click DMZ icon.
2. Select Enabled/Disabled for DMZ Status to enable or disable the DMZ service.
3. Enter the local IP address of the computer that is specified as a DMZ host.
4. Click Apply.
Note: Only one computer can be specified as a DMZ host at a time.

UPnP Settings
The Universal Plug and Play (UPnP) service allows other network users to control your device’s network features to realize the intelligent interconnection.
1. Click UPnP icon.
2. Select Enabled/Disabled for UPnP Status to enable or disable the UPnP service.
3. Click Apply.

Enabling or Disabling the WLAN
1. Click WLAN icon to access the WLAN Enable page.
2. Select Enabled/Disabled to enable or disable the WLAN.
3. Click Apply.

WLAN Basic Settings
Click WLAN basic settings icon to access the WLAN Basic Settings page.
◆ Wireless Interface
• It refers to the SSID and MAC address, and is used to identify the wireless device.
◆ SSID
• Entering a name (SSID) for your WLAN.
• Enabling or Disabling the SSID Broadcast.
◆ Enabling or Disabling the AP Isolation
• On: The terminals (PCs) connecting to the device through the WLAN cannot communicate with each other.
• Off: The terminals (PCs) connecting to the device through the WLAN can communicate with each other.
◆ Selecting a Country
• Country: It is used to identify the country. Different countries have different standards on channel usage.
◆ Selecting a WLAN Channel
• Channel: It refers to the channel that the device works with. If you do not know which channel to select, select
Auto and the device can automatically search for the channel.
◆ Configuring the 802.11 Mode

◆ Configuring the Transmission Rate
1. Select Auto, the device automatically searches the transmission rate.
2. Click Apply to submit the setting.

WLAN Advance Settings
Click WLAN advance settings icon to access the WLAN Advance Settings page.
A security key can protect your WLAN from illegal data attacking. The security key of your wireless device must be consistent with that of the PC.
◆ Configuring the 802.11 Authentication
• Open: Open system authentication. A user accessing the WLAN can choose WEP, WPA-PSK, WPA2-PSK or WPA-PSK|WPA2-PSK key to pass the authentication or choose No ENCRYPTION to skip the authentication.
• Shared: Shared key authentication. It can use only WEP. The user accessing the WLAN must use the WEP to authenticate.
◆ Configuring the Encryption Mode
• Encryption modes: No ENCRYPTION, WPA-PSK, WPA2-PSK, WPA-PSK|WPA2-PSK and WEP.
• For details, refer to “Configuring WLAN Encryption”.

Configuring the MAC Filter
Click to access the WLAN MAC Filter page.You can control and manage the clients accessing the WLAN, and improve the WLAN security performance.
◆ MAC Restrict Mode
The following table shows the MAC address filter modes:

◆ MAC Addresses
• Enter MAC addresses in the list. The device can perform the access control over the clients whose MAC addresses are in the list.

Click to access the WLAN Bridge page.
• Preamble Type: It has two options: Long and Short. In the case that the client (PC) supports the Short type, the WLAN can have a better performance if it is Short.
• MAX Associations Limit: It refers to the maximum number of connections. It is used to set the maximum number of concurrent WLAN users on the device.
• Mode: It refers to the WLAN accessing mode. The device can work in two modes, as shown in the following table. The default value is Access Point.

Bridge Restriction: It refers to the limitation to the peer MAC addresses. When it is Disabled, the device can access all the remote bridges; when it is Enabled, the device can only access the remote bridges that the addresses are in the address list.
• Bridges: It refers to the physical address of the remote peer bridge. The device supports the point-to-multipoint (PTM) bridge mode.
• Peer MAC Address: It refers to the physical address list of the remote peer bridges.
• Link Status: Up shows the successful connection and Down shows the failed connection.

Click to access the DHCP Settings page, you can set the mode for assigning IP addresses in a LAN. DHCP automatically assigns IP addresses to the network devices. If you are using the DHCP server, you need to do the configurations on the PC connecting with the device. For details, see “Configuring the Network Connection”.
• IP Address: The default IP address of the device is 192.168.1.1.
• Subnet Mask: The combination of the subnet mask and IP address enables the flexible sub netting. By default, the subnet mask is 255.255.255.0.
DHCP Server: It is used to assign IP addresses dynamically. If the DHCP server is Enabled, it can automatically assign IP addresses for PCs. It is recommended to select Enabled for the DHCP server.
• Start IP Address/End IP Address: It is used to define the IP address range that the host can use during the IP address assignment. For example, in the network segment 192.168.1.0/24, the default IP address of the device is 192.168.1.1. The host IP address can range from 192.168.1.2 to 192.168.1.254. The minimum range is a single IP address.
• DHCP Lease Time: The DHCP server automatically assigns an IP address to each device connected to the network. When the leased time expires, the DHCP server checks whether the device is connected to the network. If the device is disconnected from the network, the server assigns the IP address to another device. Thus, the IP address is not wasted.
The Start IP Address must be smaller than or equal to the End IP Address.
• If the DHCP Server is Enabled, the configurations of Start IP Address, End IP address, and DHCP Lease Time are valid; otherwise, you cannot configure them.

Click the dial-up icon to access the Dial-up Settings page.

Configuring the PPP Settings
1. Click to access the PPP Settings page.
2. Enter the correct parameters.

• Profile List: Select a profile from the established dial-up connection list. If the drop-down list is empty, you need to create a profile list.
• PPP Connection: Select the dial-up connection mode.
• PPP Authentication: The service is provided by your ISP. For details, consult your ISP.
• PPP Max Idle Time: The duration of the PPP connection is in idle. In On Demand mode, if no data is transmitted in this duration, the PPP connection automatically disconnects.
DHCP Settings

• PPP MTU: It is the maximum transmission unit (MTU) of the PPP connection. It is used to set the maximum number of bytes encapsulated in a single data frame.
• PPP Max Dial Time: Set the maximum waiting time when connecting to the Internet.

Managing the Profile List
Click profile icon to access the Profile Settings page.
◆ Creating a Profile
1. Enter the profile information in the text box according to the prompts.
2. Click Save.
◆ Changing a Profile
1Select a profile to be changed in the Profile List drop-down list. Relevant information is displayed in the corresponding text box.
2Enter the profile information.

Click to access the Mobile Network Settings page.

Setting the Preferred Mode and Band
1. Click mode icon.
2. Select the preference of connection mode in the Preferred Mode list box.
Note:
• If the service provider provides only the 2G service and the preferred mode is configured as 3G only, you cannot access the Internet.
• 3G service and the preferred mode is configured as 2G only, you cannot access the Internet.
• If the service provider provides neither the 3G nor 2G service, you cannot access the Internet regardless of the preferred mode.
3. Select the band to search the network in the Band list box.
4. Click Apply.

Configuring the Mode for Searching Network
1. Click the network icon.
2. Select the mode for searching the network.
•. Auto: The device automatically searches the network and registers with it.
• Manual: You need to manually search the network and register with it.
3. Click Apply.
4. In Manual mode, select the searched network and click Log on.

Click the computer icon to access the System page.

Changing the Password
You can change the login password to prevent unauthorized users from logging in to the management page.
1. Click the key icon.
2. Enter the current password, and then enter the new password and confirm it.
3. Click Modify.

Upgrading the device
1. Click the computer icon.
2. Enter the path or click Browse to select the software image file to be updated.
3. Click Upgrade.
Warning:
• After the system is upgraded, the system automatically restarts.
• The software programs for upgrading must come from the official website of Huawei or the official website of the service provider.
• Upgrading the software does not change the configuration of the client.

Restoring the Factory Defaults
If you need to reconstruct the network or you forget the changes of some parameters, you can choose to restore factory defaults and reconfigure the device.
Click restore icon to access the Restore Defaults page, and then click Restore.
Note:
After this operation, all configurations are restored to the defaults.

Restarting the Device
1. Click the reboot icon to access the Reboot page.
2. Click Reboot.

Viewing the Version Information
Click to the version icon access the Version page.

Click the SIM icon to access the SIM Settings page.

Enabling or Disabling the PIN Code
1. Click the key icon.
2. Select Enable/Disable in the PIN Code Operation list box.
3. Enter the correct PIN code.
4. Click Apply.

Changing the PIN Code
When the PIN code protection is enabled, you can reset the PIN code.
1. Click the key icon.
2. Select Modify in the PIN Code Operation list box.
3. Enter the current PIN code.
4. Enter the new PIN code and confirm it.
5. Click Apply.

Auto Validating PIN Code
You can enable or disable the auto validate PIN code function.
1. Click the tick-off icon.
2. Select Enable/Disable in the Auto Validate option button.
3. Enter the current PIN code.
4. Click Apply.

Configuring the Network Connection
1. Choose My Network Places > Properties > Local Area Connection.
2. Right-click the Local Area Connection icon and select Properties.

3. In the Local Area Connection Properties dialog box, select Internet Protocol (TCP/IP) in the This connection uses the following items list box, and then click Properties.
4. In the Internet Protocol (TCP/IP) Properties dialog box, select Obtain an IP address automatically and Obtain DNS server address automatically, and then click OK.

Disabling Proxy Settings
1. Start the Internet browser, and then choose Tools > Internet Options.
2. Select the Connections tab, and then click LAN Settings.
3. In the LAN Settings dialog box, deselect Use a proxy server for your LAN.