Page 2
GN-B41G Wireless Broadband Router Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Thank you for purchasing the GN-B41G 54Mbps Wireless Router. With the advantages of 54 Mbps high-speed wireless data rates and 4-ports 10/100 wired Ethernet, the GN-B41G is the ideal networking device for you to share a broadband connection in your home or office. The GN-B41G gives you a simple, cost-effective wireless networking solution.
Package Contents Please check that the GN-B41G package contents include: GN-B41G 54Mbps Wireless Broadband Router Power adapter (5V DC, 2.0A) GN-B41G Resource CD GN-B41G Quick Installation Guide Smart Setup II Installation Guide Cat. 5 Ethernet cable – 6ft (1.8m) If there is any missing or damaged accessory, please contact your local distributor or dealer immediately.
GN-B41G Wireless Broadband Router GN-B41G Front Panel Viewed from right to left, the table below describes the LEDs on the front panel of the GN-B41G. All LEDs are green when lit. STATUS Power WLAN Flashing Data is being transmitted wirelessly.
Your Gigabyte GN-B41G Wireless Broadband Router has a built-in software application called Smart Setup II that will auto-configure your router for Internet access. Please refer to diagram above to connect your router to your network. Power on your computer and launch either Internet Explorer or Netscape Navigator.
Page 10
You are now connected to the Internet and may re-launch your browser.. Note: Gigabyte’s Smart Setup II wireless router configuration software is designed to automatically detect your ISP connection type. However, to configure your router manually, please refer to Chapter 5 – GN-B41G Basic Configuration in this manual..
Valid ISP user account and password. Hardware Requirements Before setting up the GN-B41G, each computer on your network must have an installed Ethernet network card and an Ethernet cable. If you want to connect wirelessly each desktop computer or laptop requires a wireless network adapter installed.
Step 3. Connect one end of a new Ethernet cable to a LAN port in the rear panel of the GN-B41G to the 10/100 Ethernet port of your computer.. (NOTE: It does not matter which numbered LAN port is selected).
Chapter 4 Configuring the PCs Overview Before your GN-B41G Wireless Broadband Router can communicate with a computer, the PC’s network settings must be configured. The instructions set forth in this chapter will guide you on setting-up the necessary PC network settings based on the type of Windows operating system installed .In general,...
Page 15
Step 4. The Local Area Connection Properties window will appear. For the applicable Ethernet / wireless adapter, make sure that there is a check in the Internet Protocol (TCP/IP) checkbox, then double-click on Internet Protocol (TCP/IP).. GN-B41G Wireless Broadband Router...
Page 16
OK button to complete the PC configuration. Your computer has been configured to obtain an IP address automatically from the GN-B41G. To configure an IP address manually, continue to Step 6, otherwise you may now skip ahead to Step 10.
Page 17
Click the Start button. Select Programs , then Accessories and then click Command Prompt. Step 7. At the command prompt, type “ipconfig/release” and press the ENTER key.. Step 8. At the next command prompt, type “ipconfig/renew” and press the ENTER key.. GN-B41G Wireless Broadband Router...
Page 18
GN-B41G Wireless Broadband Router Note: If the IP address of your GN-B41G, for example, is 192.168.1.254, your computer’s IP address must be 192.168.1.x, where x is anything between 1 and 253. (Note: Each computer in a network has one unique IP located within this range.
Page 19
LAN Settings button (see figure below). Step 12. Now verify that none of the checkboxes have been ticked, and click on the OK button. Go to Chapter 5 – Basic GN-B41G Configuration Settings. GN-B41G Wireless Broadband Router...
GN-B41G Wireless Broadband Router Configuring Settings Under Windows XP Step 1. Click the Start button and then the Control Panel icon. Step 2. Double-click the Network Connections icon.
Page 21
Step 4. The Local Area Connection Properties window will appear. For the applicable Ethernet / wireless adapter, make sure that there is a check in the Internet Protocol (TCP/IP) checkbox, then double-click on Internet Protocol (TCP/IP).. GN-B41G Wireless Broadband Router...
Page 22
OK button to complete the PC configuration. Your computer has been configured to obtain an IP address automatically from the GN-B41G. To configure an IP address manually, continue to Step 6, otherwise you may now skip ahead to Step 10.
Page 24
At the next command prompt, type “ipconfig/renew” and press the ENTER key.. Note: If the IP address of your GN-B41G, for example, is 192.168.1.254, your computer’s IP address must be 192.168.1.x, where x is anything between 1 and 253. (Note: Each computer in a network has one unique IP located within this range.
Page 25
Open Internet Explorer. From the menu select Tools and then click Internet Options. A dialog box appears. Step 11. From the Internet Options window, click the Connections tab, and then click the LAN Settings button (see figure below). GN-B41G Wireless Broadband Router...
Page 27
GN-B41G Wireless Broadband Router Step 12. Now verify that none of the checkboxes have been ticked, and click on the OK button. Go to Chapter 5 - Basic GN-B41G Configuration Settings.
GN-B41G Wireless Broadband Router Chapter 5 Basic GN-B41G Settings You can change the settings of your GN-B41G wireless router using an Internet browser (Internet Explorer or Netscape Navigator) to access the web-based utility. Login GN-B41G Step 1. In the address bar of your browser, type “192.168.1.254” and then press the ENTER key.
Page 29
GN-B41G Wireless Broadband Router Step 3. Once you have logged in successfully, you will see the GN-B41G homepage in your browser window. If this is the first time configuring your router, click the Smart Setup button from the side menu. This will launch GIGABYTE’s unique router setup utility Smart Setup...
GN-B41G Wireless Broadband Router Using Smart Setup Your GN-B41G Wireless Router has built-in software – Smart Setup – that can automatically detect your Internet connection type. Either a PPoE, Dynamic IP or Static IP will be detected, and the appropriate screen will appear prompting you to enter basic ISP account information.
Page 31
Please click the OK button on the warning window. Step 4. If you have a Static IP address, a screen will appear prompting you to enter your WAN IP address, WAN subnet mask, WAN gateway, and DSN infor GN-B41G Wireless Broadband Router...
Page 32
GN-B41G Wireless Broadband Router Note: An error message will appear if Smart Setup cannot detect your Internect connection type. Please verify that the cable from your ADSL/Cable modem to your router is properly connected.
IP addresses to all the computers in your network. DHCP Start Address/End Address Fields When the DHCP feature is enabled, your GN-B41G will assign IP addresses to computers on your network that are between the Start Address value and the End Address value.
Page 34
GN-B41G Wireless Broadband Router Note: The default IP address of your Router is 192.168.1.254. Click the Next button to continue GN-B41G configuration. Step 2. Please choose your Internet connection (WAN) type from the list. PPPoE: If your broadband ISP service is charged by the hour,...
Page 35
ISP. Click the Finish button to continue with setup. Step 4. A screen with the message Setup Completed appears. Click the Reboot button to restart your router so that the settings take effect. GN-B41G Wireless Broadband Router...
Page 36
Step 6. Once your router has successfully rebooted, it will load the main page of the GN-B41G configuration utility. You are now able to browse the Internet! Note: If you are configuring the GN-B41G using a wireless connection (ie. wireless adapter), further steps to complete the setup may be required Please refer to Chapter 6 Advanced Setup for details.
Page 37
ISP, and then click the Finish button to continue with router setup. Step 8. A screen with the message Setup Completed appears. Click the Reboot button to restart your router so that the settings take effect GN-B41G Wireless Broadband Router...
Page 38
Step 10. Once your router has successfully rebooted, it will load the main page of the GN-B41G configuration utility. You are now able to browse the Internet! Note: If you are configuring the GN-B41G using a wireless connection (ie. wireless adapter), further steps to complete the setup may be required Please refer to Chapter 6 Advanced Setup for details.
Page 39
Note: If your ISP has assigned you several IP addresses, please select and enter only one. Step 12. A screen with the message Setup Completed appears. Click the Reboot button to restart your router so that the settings take effect GN-B41G Wireless Broadband Router...
Page 40
Step 14. Once your router has successfully rebooted, it will load the main page of the GN-B41G configuration utility. You are now able to browse the Internet! Note: If you are configuring the GN-B41G using a wireless connection (ie. wireless adapter), further steps to complete...
Page 41
Note: If your ISP has assigned you several IP addresses, please select and enter only one Step 16. A screen with the message Setup Completed appears. Click the Reboot button to restart your router so that the settings take effect GN-B41G Wireless Broadband Router...
Page 42
Step 18. Once your router has successfully rebooted, it will load the main page of the GN-B41G configuration utility. You are now able to browse the Internet! Note: If you are configuring the GN-B41G using a wireless connection (ie. wireless adapter), further steps to complete...
On the Status page the router’s current connection and configuration information is displayed. LAN Ethernet Status This field displays the MAC address of the GN-B41G as seen on your wireless network. This specifies the maximum size of the packet permitted for Internet transmission. Rx packets The number of data packets received by the router.
Page 44
GN-B41G Wireless Broadband Router WAN Ethernet Status The field displays the MAC address used by the WAN port of the router. The maximum size of the packet sent from your computer to the Internet. Rx packets The number of received packets of this port after resetting or manually initial.
Page 45
GN-B41G Wireless Broadband Router Tx packets The number of transmitted packets of this wireless port after resetting or manually initial. Rx bytes The current reception bandwidth on the Wireless LAN. Rx bytes The current transmission bandwidth on the Wireless LAN.
Page 46
GN-B41G Wireless Broadband Router Routing Table The Routing Table displays the GN-B41G routing details. UpnP Port Mapping Table The UPnP Port Mapping Table displays the GN-B41G port mapping and UPnP details.
The Logout Page When you have completed making modifications to the configuration settings of your GN-B41G, please click the Logout button to end your session. Note: You will be automatically logged out of the GN-B41G Configuration Utility if your system remains idle for more than 5 minutes.
GN-B41G Wireless Broadband Router Chapter 6 Advanced GN-B41G Settings In this chapter, you will find descriptions for configuring the advanced settings of the GN-B41G wireless broadband router. The Network Configuration Screen The Network Configuration screen consists of three areas: LAN Configuration, WAN Configuration and Session Configuration.
GN-B41G Wireless Broadband Router The WAN Configuration Tab This window displays the settings of WAN connections that are available. 06275 480 12975 a...
Page 50
GN-B41G Wireless Broadband Router A screen based on the Internet (WAN) connection type you selected will appear and provide parameter fields. WAN Configuration Tab – Dynamic IP Address ISP Name, Host Name, Gateway, DNS1 and NS2 Address, DNS Domain Name Enter the information provided by your ISP.
Page 51
GN-B41G Wireless Broadband Router UPnP Delete Time Select the duration that UPnP will be active. Default setting is 0. Note: If the WAN IP address and LAN IP address obtained from DHCP server are from the same subnet, the LAN IP address will automatically change to another subnet and reboot the router.
Page 52
Manual Dial on Demand Enable Disable WAN Configuration Tab - Static IP Address When the GN-B41G is powered on, it automatically establishes a connection with the network. If the link becomes disconnected for any reason, the GN-B41G will re-connect automatically.
Page 53
Router’s WAN IP address and the others can be used by the downstream of the Router. ISP Name, User ID, Password, Service Name, AC Name, DNS1 and DNS2, DNS Domain Name, WAN IP Address, WAN Subnet Mask Enter the information provided by your ISP. GN-B41G Wireless Broadband Router...
Page 54
GN-B41G Wireless Broadband Router The Session Configuration Tab The Session Configuration screen displays the settings of the Main Session and Backup Session. Select a WAN connection type for the Main Session from the drop-down menu and select Backup Session type. The Backup Session will become active if the Main Session fails to establish a connection to the Internet.
The SSID is up to 32 ASCII characters in length and case sensitive (ie. Letters in upper case “A~Z” and lower case “a~z” are unique). The default SSID is “GIGABYTE”. To change the SSID, type in the SSID GN-B41G Wireless Broadband Router...
Page 56
GN-B41G Wireless Broadband Router you want to use in the SSID field and click Submit. If you make a change to the SSID, any wireless devices on your network must also be reconfigured to connect to the new network name.
Page 57
GN-B41G Wireless Broadband Router use WPA through the use of WPA Pre-shared Key. WEP Key The GN-B41G supports two WEP standards: 64-bit,128-bit. Select either 64-bits or 128-bits from the drop-down list activate WEP encryption. The 64-bits encryption uses 40 bits as a secret key, (user-defined) and the remaining 24 bits are reserved.
The MAC Access Control screen allows you to specify the Media Access Controller (MAC) address of up to 32 devices on your network. Only those devices listed in the table will have access to transmit data through the GN-B41G. The default setting is Disable.
Page 59
Enter a value within the range 1~65536 for the port. Shared Secret Enter a password up to 256 characters (uppercase “A~Z”, lowercase “a~z” or numeric “0~9”) in length. Verify the settings, then to apply these to your network, click the Submit button. GN-B41G Wireless Broadband Router...
Page 60
ISP and the Router in the networking environment. Extended Range: It can increase the network coverage through the deployment of additional access points directly where they are needed. Note: Your GN-B41G can only create a WDS environment with a GIGABYTE Access Point (models: GN-A17GU, GN-A11G).
The Static Routing Table Screen The Static Routing Table displays the GN-B41G routing settings.To add or modify, enter a value into the field and click the Submit button. Destination IP Enter the Destination IP address that will be assigned to a specific network or host.
The Virtual Server screen allows you to manage the virtual server settings of the GN-B41G. There are two virtual server options: router has only one IP address or router has multiple IP addresses (8 or 16 in most instances). If you have only one IP address click on the PPPoE/DHCP/Static tab.
Page 63
Port: 21 Virtual Server IP: 192.168.1.1 Enable: enable Now, any PC on the WAN side of the network can connect to the internal FTP server (192.168.1.1) using the IP address on the WAN end of the GN-B41G. GN-B41G Wireless Broadband Router...
GN-B41G Wireless Broadband Router The PPPoE Unnumber Tab In instances where multiple global IP addresses exist each IP address requires its own setting. Note: Your ISP may provide you a with a list of “Global IP”, for example 61.222.10.1 ~ 61.222.10.7 For example, a PC on the LAN side with an IP address 192.168.1.1 and the...
One-Touch Setting, Stealth Mode and Unlawful Computer Access Detection. Note: When any item in Security One-touch setting combined with “The full state packet inspection is used” under the Unlawful Computer Access Detection group are checked, the URL Blocking feature becomes unavailable. GN-B41G Wireless Broadband Router...
They usually provide connectivity to various devices behind a gateway or firewall. The GN-B41G supports Internet-industry standard technologies to provide open and interoperable VPN solutions, including Internet Protocol Security (IPSec), Layer 2 Tunneling Protocol (L2TP) and Point-to-Point Tunneling Protocol (PPTP).
GN-B41G Wireless Broadband Router If administrators allow a host to enable VPN pass through in the configuration, the Router will automatically set up a virtual server and firewall for this host. All VPN packets will be transparent and redirected to this host. Even if a VPN server is located on the LAN or at WAN side of the network, a VPN pass through functions normally.
Page 68
GN-B41G Wireless Broadband Router Rule Number (No.) Enter a number for the rule between 1 and 64. Rules are ranked in priority based on their number in descending order, so that rule 1 is given the highest priority and rule 64 the lowest priority.
The DNS Configuration Screen DNS Relay When DNS query packets are received by the GN-B41G a response signal is sent to the host that sends the DNS query packet. Then, users have to set the IP address of the Router as the IP address of DNS. The default value of DNS relay is Enable.
Verify the settings and click the Submit button to accept these settings. To apply these settings, it is necessary to reboot the GN-B41G. Note: The URL Blocking feature will not be enabled if any item in Security One-touch setting and “The full state packet inspection is used”...
GN-B41G Wireless Broadband Router Chapter 7 Using Management Tools The instructions in this chapter will help you how to use the management tools of the web-based utility to effectively manage your GN-B41G wireless broadband router. The PPP Monitor Screen The PPP Monitor screen displays the WAN (Internet) connection status. Click the Disconnect button to end your current session Click the Connect button to re-connect to an ISP.
GN-B41G Wireless Broadband Router The Initialization Screen The Initialization screen allows you to reset the GN-B41G back to its original factory settings. To initialize the router, use the tip of a pencil or a paperclip to press the init button (located on the bottom of the unit).
Submit button. The Upgrade Firmware Screen The Upgrade Firmware screen allows you to update the current GN-B41G firmware to the latest version directly from the Gigabyte website. Click the Browse button to locate the firmware file that you wish to update and then click...
The Backup / Restore Screen The Backup / Restore screen allows you to save the current configuration settings of the GN-B41G as a temp file onto your computer. To revert the GN-B41G to previously saved configuration settings, click the Browse to locate the saved file.
Page 75
GN-B41G Wireless Broadband Router The WAN Connection Tab The UPnP Log Tab...
The Save Maintenance Screen The Save Maintenance screen allows you to save logs and status information as a file which can then be sent to the Technical Support team at GIGABYTE. The Ping Screen The Ping screen allows you to perform a test to determine whether a particular...
GN-B41G Wireless Broadband Router The Help Screen The Help screen is where you can access online guide to assist in configuring the GN-B41G. The About Screen The About screen displays the model name and firmware version of the router.
Modem and LAN. Plug the Router into the Ethernet port of ADSL or Cable Modem. Can the GN-B41G work as a DHCP server? Yes. GN-B41G has a built-in DHCP server function so that apart from all the standard DHCP functions, it helps prevent IP conflicts. What is WEP? Wired Equivalent Privacy (WEP) is a security mechanism defined within the 802.11 standard.
Page 79
(OFDM), which is provided by this standard and is compatible with 802.11b standard offering speeds of about 11 Mbits/s. This standard uses Complementary Code Keying (CCK) modulation. Both 11g and 11b can operate at a range of up to 300 feet. GN-B41G Wireless Broadband Router...
Page 80
GN-B41G Wireless Broadband Router Appendix A: Glossary ADSL Asymmetric digital subscriber line (ADSL) is a new modem technology that converts existing twisted-pair telephone lines into access paths for high-speed communication of various sorts. Auto-MDI/MDIX On a network hub or switch, an auto-MDI/MDIX port automatically senses if it needs to act as a MDI or MDIX port.
Page 81
GN-B41G Wireless Broadband Router Firewall A system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of both. Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet, especially intranets.
Page 82
GN-B41G Wireless Broadband Router PPPoE Point-to-Point over Ethernet is a protocol for connecting remote hosts to the Internet over an always-on connection by simulating a dial-up connection. Router A device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP network.
Page 83
NAT, PPTP, PPPoE VPN Pass-Through (IPSec, L2TP) DHCP (Client & Server) Security 64/128 bit WEP; WPA-PSK; WPA Mechanical LEDs Power/Status; WLAN; LAN (1-4); WAN Gross Weight 240± 5g Dimensions 110mm x 160mm x 25mm GN-B41G Wireless Broadband Router Appendix B: Specifications...
Of which if any defect is occurred due to accidents or any man-made factors, or any unauthorized torn-off or damage to Gigabyte’s sticker on the product, Gigabyte Technology will not provide after-sale services, such as: Products are damaged due to any violation of instructions on user manual.
Need help?
Do you have a question about the GN-B41G and is the answer not in the manual?
Questions and answers