TP Link Technologies WR841ND Wireless N Router User Manual

TP-Link Technologies Co., Ltd. Wireless N Router

User Manual

TL-WR841NTL-WR841NDWireless N Router Rev: 1.0.1 1910010029
ICOPYRIGHT & TRADEMARKS Specifications are subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or registered trademarks of their respective holders. No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from TP-LINK TECHNOLOGIES CO., LTD. Copyright © 2008 TP-LINK TECHNOLOGIES CO., LTD. All rights reserved.http://www.tp-link.comFCC 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:x Reorient or relocate the receiving antenna. x Increase the separation between the equipment and receiver. x Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. x Consult the dealer or an experienced radio/ TV technician for help. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:1) This device may not cause harmful interference. 2) This device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
IIFCC RF Radiation Exposure Statement This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter. “To comply with FCC RF exposure compliance requirements, this grant is applicable to only Mobile Configurations. The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.” CE Mark Warning This is a class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures. National restrictions This device is intended for home and office use in all EU countries (and other countries following the EU directive 1999/5/EC) without any limitation except for the countries mentioned below: Country Restriction Reason/remark Bulgaria None General authorization required for outdoor use and public service France Outdoor use limited to 10 mW e.i.r.p. within the band 2454-2483.5 MHz Military Radiolocation use. Refarming of the 2.4 GHz band has been ongoing in recent years to allow current relaxed regulation. Full implementation planned 2012 Italy None If used outside of own premises, general authorization is required Luxembourg None General authorization required for network and service supply(not for spectrum) Norway Implemented This subsection does not apply for the geographical area within a radius of 20 km from the centre of Ny-Ålesund Russian Federation None Only for indoor applications Note: Please don’t use the product outdoors in France.
IIICONTENTSPackage Contents ....................................................................................................................................1Chapter 1. Introduction..........................................................................................................................21.1 Overview of the Router .........................................................................................................21.2 Conventions ..........................................................................................................................31.3 Main Features .......................................................................................................................31.4 Panel Layout .........................................................................................................................41.4.1 The Front Panel.........................................................................................................41.4.2 The Rear Panel .........................................................................................................4Chapter 2. Connecting the Router........................................................................................................ 62.1 System Requirements...........................................................................................................62.2 Installation Environment Requirements ................................................................................62.3 Connecting the Router..........................................................................................................6Chapter 3. Quick Installation Guide ..................................................................................................... 83.1 TCP/IP configuration.............................................................................................................83.2 Quick Installation Guide......................................................................................................10Chapter 4. Configuring the Router .....................................................................................................144.1 Login ...................................................................................................................................144.2 Status ..................................................................................................................................144.3 Quick Setup ........................................................................................................................154.4 QSS.....................................................................................................................................164.5 Network...............................................................................................................................214.5.1 LAN .........................................................................................................................214.5.2 WAN ........................................................................................................................214.5.3 MAC Clone..............................................................................................................264.6 Wireless ..............................................................................................................................264.6.1 Wireless Settings ....................................................................................................274.6.2 Wireless Security.....................................................................................................274.6.3 Wireless MAC Filtering............................................................................................304.6.4 Wireless Advanced..................................................................................................32
IV4.6.5 Wireless Statistics ...................................................................................................334.7 DHCP..................................................................................................................................344.7.1 DHCP Settings ........................................................................................................344.7.2 DHCP Clients List....................................................................................................354.7.3 Address Reservation...............................................................................................364.8 Forwarding ..........................................................................................................................374.8.1 Virtual Servers.........................................................................................................374.8.2 Port Triggering.........................................................................................................394.8.3 DMZ.........................................................................................................................414.8.4 UPnP .......................................................................................................................414.9 Security ...............................................................................................................................424.9.1 Firewall....................................................................................................................424.9.2 IP Filtering ...............................................................................................................434.9.3 Domain Filtering ......................................................................................................464.9.4 MAC Filtering...........................................................................................................484.10 Static Routing......................................................................................................................494.11 Dynamic DNS .....................................................................................................................514.12 System Tools.......................................................................................................................524.12.1 Time Setting ............................................................................................................524.12.2 Firmware .................................................................................................................534.12.3 Factory Defaults ......................................................................................................544.12.4 Backup & Restore ...................................................................................................544.12.5 Reboot.....................................................................................................................554.12.6 Password.................................................................................................................554.12.7 System log...............................................................................................................564.12.8 Remote Management..............................................................................................574.12.9 Statistics ..................................................................................................................57Appendix A: FAQ ....................................................................................................................................59Appendix B: Configuring the PCs ........................................................................................................ 64Appendix C: Specifications...................................................................................................................68Appendix D: Glossary............................................................................................................................69
TL-WR841N/TL-WR841ND Wireless N Router 1Package Contents The following items should be found in your package: ¾TL-WR841N/TL-WR841ND Wireless N Router ¾DC Power Adapter for TL-WR841N/TL-WR841ND Wireless N Router ¾Quick Installation Guide ¾Resource CD for TL-WR841N/TL-WR841ND Wireless N Router, including: xThis Guide xOther Helpful Information )Note:Make sure that the package contains the above items. If any of the listed items are damaged or missing, please contact with your distributor.
TL-WR841N/TL-WR841ND Wireless N Router 2Chapter 1. IntroductionThank you for choosing the TL-WR841N/TL-WR841ND Wireless N Router. 1.1 Overview of the Router The TL-WR841N/TL-WR841ND Wireless N Router integrates 4-port Switch, Firewall, NAT-router and Wireless AP. Powered by 2x2 MIMO technology, the Wireless N Router delivers exceptional range and speed, which can fully meet the need of Small Office/Home Office (SOHO) networks and the users demanding higher networking performance. The TL-WR841N/TL-WR841ND Wireless N Router provides up to 300Mbps wireless connection with other 802.11n wireless clients. The incredible speed makes it ideal for handling multiple data streams at the same time, which ensures your network stable and smooth. The performance of this 802.11n wireless router will give you the unexpected networking experience at speed 650% faster than 802.11g. It is also compatible with all IEEE 802.11g and IEEE 802.11b products. With multiple protection measures, including SSID broadcast control and wireless LAN 64/128/152-bit WEP encryption, WiFi protected Access (WPA2- PSK, WPA- PSK), as well as advanced Firewall protections, the TL-WR841N/841ND Wireless N Router provides complete data privacy. The TL-WR841N/TL-WR841ND Wireless N Router provides flexible access control, so that parents or network administrators can establish restricted access policies for children or staff. It also supports Virtual Server and DMZ host for Port Triggering, and then the network administrators can manage and monitor the network in real time with the remote management function. Since the router is compatible with virtually all the major operating systems, it is very easy to manage. Quick Setup Wizard is supported and detailed instructions are provided step by step in this user guide. Before installing the router, please look through this guide to know all the router’s functions.Simple InstallationFlexible Access Control Multiple Security ProtectionsIncredible Speed
TL-WR841N/TL-WR841ND Wireless N Router 31.2 ConventionsThe router or TL-WR841N/TL-WR841ND mentioned in this guide stands for TL-WR841N/TL-WR841ND Wireless N Router without any explanation. )Note:The two devices of TL-WR841N and TL-WR841ND are sharing this User Guide. For simplicity, we will take TL-WR841ND for example throughout this Guide, The differences between them are: ¾ TL-WR841N router with 2 fixed antennas. ¾TL-WR841ND router with 2 detachable antennas.1.3 Main Features ¾Complies with IEEE 802.11n draft version 2.0 to provide a wireless data rate of up to 300Mbps. ¾One 10/100M Auto-Negotiation RJ45 WAN port, four 10/100M Auto-Negotiation RJ45 LAN ports, supporting Auto MDI/MDIX. ¾Provides WPA/WPA2, WPA-PSK/WPA2-PSK authentication, TKIP/AES encryption security. ¾Shares data and Internet access for users, supporting Dynamic IP/Static IP/PPPoE Internet access. ¾Supports Virtual Server, Special Application and DMZ host. ¾Supports UPnP, Dynamic DNS, Static Routing. ¾Provide Automatic-connection and Scheduled Connection on certain time to the Internet ¾Built-in NAT and DHCP server supporting static IP address distributing. ¾Built-in firewall supporting IP address filtering, Domain Name filtering, and MAC address filtering.¾Connecting Internet on demand and disconnecting from the Internet when idle for PPPoE. ¾Provides 64/128/152-bit WEP encryption security and wireless LAN ACL (Access Control List).¾Supports Flow Statistics. ¾Supports firmware upgrade and Web management.
TL-WR841N/TL-WR841ND Wireless N Router 41.4 Panel Layout 1.4.1 The Front Panel Figure 1-1 Front Panel sketch The Router’s LEDs and the QSS button are located on the front panel (View from left to right). Name Status IndicationOff Power off Power On Power on On The router is initializing or maybe has a system error Flashing The router is working properly SystemOff The router has a system error Off The Wireless function is disabled WLAN Flashing The Wireless function is enabled Off There is no device linked to the corresponding port On There is a device linked to the corresponding port but no activity WAN, LAN 1-4 Flashing There is an active device linked to the corresponding portFlash(green) There is a wireless device connecting to the network by QSS function. On(green) There is a wireless device successfully added to the network by QSS function. QSSFlash(red) There is a wireless device failed to add to the network by QSS function. Table 2-1 The LEDs description
TL-WR841N/TL-WR841ND Wireless N Router 51.4.2 The Rear Panel Figure 1-2 Rear Panel sketch The following parts are located on the rear panel (View from left to right). ¾Power socket: The Power socket is where you will connect the power adapter. Please use the power adapter provided with this TL-WR841N/TL-WR841ND Wireless N Router. ¾LAN 1,2,3,4: These ports (1, 2, 3, 4) connect the router to the local PC(s) ¾WAN: This WAN port is where you will connect the DSL/cable Modem, or Ethernet ¾Reset button There are two ways to reset to the router's factory defaults: 1) Use the Factory Defaults function on System Tools -> Factory Defaults page in the router's Web-based Utility. 2) Use the Factory Default Reset button: Press the Reset button for five seconds and then wait for the router to reboot. ¾Wireless antenna: To receive and transmit the wireless data.
TL-WR841N/TL-WR841ND Wireless N Router 6Chapter 2. Connecting the Router 2.1 System Requirements ¾Broadband Internet Access Service (DSL/Cable/Ethernet) ¾One DSL/Cable Modem that has an RJ45 connector (which is not necessary if the router is connected directly to the Ethernet.) ¾PCs with a working Ethernet Adapter and an Ethernet cable with RJ45 connectors ¾TCP/IP protocol on each PC ¾Web browser, such as Microsoft Internet Explorer 5.0 , Netscape Navigator 6.0 or above 2.2 Installation Environment Requirements ¾Place the router in a well ventilated place far from any heater or heating vent ¾Avoid direct irradiation of any strong light (such as sunlight) ¾Keep at least 2 inches (5 cm) of clear space around the router ¾Operating Temperature: 0 ~40 (32 ~104 )ćḉ ̧¾Operating Humidity: 10%~90%RH, Non-condensing 2.3 Connecting the Router Before installing the router, make sure your PC is connected to the Internet through the broadband service successfully. If there is any problem, please contact your ISP. After that, please install the router according to the following steps. Don't forget to pull out the power plug and keep your hands dry. 1. Power off your PC, Cable/DSL Modem, and the router. 2. Locate an optimum location for the router. The best place is usually at the center of your wireless network. The place must accord with the Installation Environment Requirements.3. Adjust the direction of the antenna. Normally, upright is a good direction. 4. Connect the PC(s) and each Switch/Hub in your LAN to the LAN Ports on the router, shown in Figure 2-1. (If you have the wireless NIC and want to use the wireless function, you can skipthis step.)
TL-WR841N/TL-WR841ND Wireless N Router 75. Connect the DSL/Cable Modem to the WAN port on the router, shown in Figure 2-1. 6. Connect the DC power adapter to the DC power socket on the router, and the other end into an electrical outlet. The router will start to work automatically. 7. Power on your PC and Cable/DSL Modem. Figure 2-1 Hardware Installation of the TL-WR841ND Wireless N Router
TL-WR841N/TL-WR841ND Wireless N Router 8Chapter 3. Quick Installation Guide This chapter will show you how to configure the basic functions of your TL-WR841ND Wireless N Router using Quick Setup Wizard within minutes. 3.1 TCP/IP configuration The default IP address of the TL-WR841ND Wireless N Router is 192.168.1.1. And the default Subnet Mask is 255.255.255.0. These values can be changed as you desire. In this guide, we use all the default values for description. Connect the local PC to the LAN ports of the router. And then you can configure the IP address for your PC in the following two ways. ¾Configure the IP address manually 1) Set up the TCP/IP Protocol for your PC. If you need instructions as to how to do this, please refer to Appendix B: "Configuring the PC."2) Configure the network parameters. The IP address is 192.168.1.xxx ("xxx" is any number from 2 to 254), Subnet Mask is 255.255.255.0, and Gateway is 192.168.1.1 (The router's default IP address) ¾Obtain an IP address automatically 1) Set up the TCP/IP Protocol in "Obtain an IP address automatically" mode on your PC. If you need instructions as to how to do this, please refer to Appendix B: "Configuring the PC."2) Then the built-in DHCP server will assign IP address for the PC. )Note:For Windows 98 OS or before, the PC and router may need to be restarted. Now, you can run the Ping command in the command prompt to verify the network connection between your PC and the router. The following example is in Windows 2000 OS. Open a command prompt, and type ping 192.168.1.1, and then press Enter.¾ If the result displayed is similar to the Figure 3-1, it means the connection between your PC and the router has been established well.
TL-WR841N/TL-WR841ND Wireless N Router 9Figure 3-1 Success result of Ping command ¾ If the result displayed is similar to the Figure 3-2, it means the connection between your PC and the router is failed. Figure 3-2 Failure result of Ping command Please check the connection following these steps: 1. Is the connection between your PC and the router correct? )Note: The 1/2/3/4 LEDs of LAN ports which you link to on the router and LEDs on your PC's adapter should be lit.2. Is the TCP/IP configuration for your PC correct? )Note:If the router's IP address is 192.168.1.1, your PC's IP address must be within the range of 192.168.1.2 ~ 192.168.1.254.
TL-WR841N/TL-WR841ND Wireless N Router 103.2 Quick Installation Guide With a Web-based (Internet Explorer or Netscape® Navigator) utility, it is easy to configure and manage the TL-WR841ND Wireless N Router. The Web-based utility can be used on any Windows, Macintosh or UNIX OS with a Web browser. 1. To access the configuration utility, open a web-browser and type in the default address http://192.168.1.1 in the address field of the browser. Figure 3-3 Login the routerAfter a moment, a login window will appear, similar to the Figure 3-4. Enter admin for the User Name and Password, both in lower case letters. Then click the OK button or press the Enter key. Figure 3-4 Login Windows )Note:If the above screen does not pop-up, it means that your Web-browser has been set to a proxy. Go to Tools menu>Internet Options>Connections>LAN Settings, in the screen that appears, cancel the Using Proxy checkbox, and click OK to finish it.2. After successfully login, you can click the Quick Setup to quickly configure your router. Figure 3-5 Quick Setup
TL-WR841N/TL-WR841ND Wireless N Router 113. Click Next, and then Choose WAN Connection Type page will appear, shown in Figure 3-6. Figure 3-6 Choose WAN Connection Type The router supports three popular ways to connect to Internet. Please select one compatible with your ISP. Click Next to enter the necessary network parameters. a) If you are provided the ADSL Dial-up service, please choose "PPPoE"(Point-to-Point Protocol over Ethernet), and you will see this page shown in Figure 3-7: Figure 3-7 Quick Setup - PPPoE ¾User Name and Password - Enter the User Name and Password provided by your ISP. These fields are case sensitive. If you have difficulty with this process, please contact your ISP.b) If the Router connects to a DHCP server, or the ISP supplies you with DHCP connection, please choose "Dynamic IP", the router will automatically receive the IP parameters from your ISP with no need to enter any parameters. c) If the IP parameters have been provided by your ISP, please choose "Static IP", and then the Static IP settings page will appear, shown in Figure 3-8
TL-WR841N/TL-WR841ND Wireless N Router 12Figure 3-8 Quick Setup - Static IP ¾IP Address - This is the WAN IP address as seen by external users on the Internet (including your ISP). Enter the IP address into the field. ¾Subnet Mask - The Subnet Mask is used for the WAN IP address, it is usually 255.255.255.0 ¾Default Gateway - Enter the gateway IP address into the box if required. ¾Primary DNS - Enter the DNS Server IP address into the box if required. ¾Secondary DNS - If your ISP provides another DNS server, enter it into this field.4. Click Next to continue, the Wireless settings page will appear, shown in Figure 3-9. Figure 3-9 Quick Setup – Wireless ¾Wireless Radio - Enable or disable the wireless radio choosing from the pull-down list. ¾SSID - Enter a value of up to 32 characters. The same name of SSID (Service Set Identification) must be assigned to all wireless devices in your network. Considering your wireless network security, the default SSID is set to be TP-LINK_xxxxxx (xxxxxx indicates the last unique six numbers of each Router’s MAC address). This value is case-sensitive. For example, TP-LINK is NOT the same as tp-link.¾Channel - This field determines which operating frequency will be used. The default channel is set to 6. It is not necessary to change the wireless channel unless you notice interference problems with another nearby access point
TL-WR841N/TL-WR841ND Wireless N Router 13¾Channel width - Select any channel width from the pull-down list. The default setting is automatic, which can adjust the channel width for your clients automatically. These settings are only for basic wireless parameters. For advanced settings, please refer to Section 4.6: "Wireless."5. Click the Next button. You will then see the Finish page: Figure 3-10 Quick Setup - Finish After finishing all configurations of basic network parameters, please click Finish button to exit this Quick Setup.
TL-WR841N/TL-WR841ND Wireless N Router 14Chapter 4. Configuring the Router This chapter will show each Web page's key functions and the configuration way. 4.1 LoginAfter your successful login, you will see the eleven main menus on the left of the Web-based utility. On the right, there are the corresponding explanations and instructions. -The detailed explanations for each Web page’s key function are listed below. 4.2 Status The Status page provides the current status information about the router. All information is read-only.
TL-WR841N/TL-WR841ND Wireless N Router 15Figure 4-1 Router Status 4.3 Quick Setup Please refer to Section 3.2: "Quick Installation Guide."
TL-WR841N/TL-WR841ND Wireless N Router 164.4 QSS This section will guide you add a new wireless device to an existing network quickly by QSS(Quick Secure Setup) function.a). Choose menu “QSS”, you will see the next screen (shown in Figure 4-2 ). . Figure 4-2 QSS ¾QSS Status - Enable or disable the QSS function here. ¾Current PIN - The current value of the router's PIN displayed here. The default PIN of the router can be found in the label or User Guide. ¾Restore PIN - Restore the PIN of the router to its default. ¾Gen New PIN - Click this button, and then you can get a new random value for the router's PIN. You can ensure the network security by generating a new PIN. ¾Add device - You can add the new device to the existing network manually by clicking this button.b). To add a new device: If the wireless adapter supports Wi-Fi Protected Setup (WPS), you can establish a wireless connection between wireless adapter and router using either Push Button Configuration (PBC) method or PIN method. )Note:To build a successful connection by QSS, you should also do the corresponding configuration of the new device for QSS function meanwhile. For the configuration of the new device, here takes the Wireless Adapter of our company for example.I. By PBC If the wireless adapter supports Wi-Fi Protected Setup and the Push Button Configuration (PBC) method, you can add it to the network by PBC with the following two methods. Method One: Step 1: Press the QSS button on the front panel of the router.
TL-WR841N/TL-WR841ND Wireless N Router 17Step 2: For the configuration of the wireless adapter, please choose Push the button on my access point in the configuration utility of the QSS as below, and click Next.The QSS Configuration Screen of Wireless Adapter Method Two: Step 1: Keep the default QSS Status as Enabled and click the Add device button in Figure 4-2, then the following screen will appear. Figure 4-3 Add A New Device
TL-WR841N/TL-WR841ND Wireless N Router 18Step 2: Choose Press the button of the new device in two minutes and click Connect.Step 3: For the configuration of the wireless adapter, please choose Push the button on my access point in the configuration utility of the QSS as below, and click Next.The QSS Configuration Screen of Wireless Adapter II. By PIN If the new device supports Wi-Fi Protected Setup and the PIN method, you can add it to the network by PIN with the following two methods. Method One: Enter the PIN into my Router Step 1: Keep the default QSS Status as Enabled and click the Add device button in Figure 4-2, then the following screen will appear.
TL-WR841N/TL-WR841ND Wireless N Router 19Step 2: Choose Enter the new device's PIN and enter the PIN code of the wireless adapter in the field behind PIN in the above figure. Then click Connect.)Note:The PIN code of the adapter is always displayed on the QSS configuration screen Step 3: For the configuration of the wireless adapter, please choose Enter a PIN into my access point or a registrar in the configuration utility of the QSS as below, and click Next.The QSS Configuration Screen of Wireless Adapter )Note:In this example, the default PIN code of this adapter is 16952898 as the above figure shown.Method Two: Enter the PIN from my Router Step 1: Get the Current PIN code of the Router in Figure 4-2 (each router has its unique PIN code. Here takes the PIN code 12345670 of this router for example). Step 2: For the configuration of the wireless adapter, please choose Enter a PIN from my access point in the configuration utility of the QSS as below, and enter the PIN code of the Router into the field behind Access Point PIN. Then click Next.
TL-WR841N/TL-WR841ND Wireless N Router 20The QSS Configuration Screen of Wireless Adapter )Note:The default PIN code of the Router can be found in its label or the QSS configuration screen as Figure 4-2.c). You will see the following screen when the new device successfully connected to the network.)Note:a. The status LED on the router will light green all the time if the device has been successfully added to the network. b. The QSS function cannot be configured if the Wireless Function of the router is disabled.
TL-WR841N/TL-WR841ND Wireless N Router 21Please make sure the Wireless Function is enabled before configuring the QSS.4.5 NetworkFigure 4-4 the Network menu There are three submenus under the Network menu (shown in Figure 4-4): LAN,WAN and MACClone. Click any of them, and you will be able to configure the corresponding function. 4.5.1 LANChoose menu “NetworkėLAN”, you can configure the IP parameters of the LAN on the screen as below. Figure 4-5 LAN ¾MAC Address - The physical address of the router, as seen from the LAN. The value can't be changed. ¾IP Address - Enter the IP address of your router or reset it in dotted-decimal notation (factory default: 192.168.1.1). ¾Subnet Mask - An address code that determines the size of the network. Normally use 255.255.255.0 as the subnet mask. )Note:a. If you change the IP Address of LAN, you must use the new IP Address to login the router. b. If the new LAN IP Address you set is not in the same subnet, the IP Address pool of the DHCP server will change accordingly at the same timeˈwhile the Virtual Server and DMZ Host will not take effect until they are re-configured. 4.5.2 WANChoose menu “NetworkėWAN”, you can configure the IP parameters of the WAN on the screen
TL-WR841N/TL-WR841ND Wireless N Router 22below. 1. If your ISP provides the DHCP service, please choose Dynamic IP type, and the router will automatically get IP parameters from your ISP. You can see the page as follows (Figure 4-6):Figure 4-6 WAN – Dynamic IPThis page displays the WAN IP parameters assigned dynamically by your ISP, including IP address, Subnet Mask, Default Gateway, etc. Click the Renew button to renew the IP parameters from your ISP. Click the Release button to release the IP parameters. ¾MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet networks is 1500 Bytes. It is not recommended that you change the default MTU Size unless required by your ISP. ¾Use These DNS Servers - If your ISP gives you one or two DNS addresses, select Use These DNS Servers and enter the primary and secondary addresses into the correct fields. Otherwise, the DNS servers will be assigned dynamically from your ISP. )Note:If you find error when you go to a Web site after entering the DNS addresses, it is likely that your DNS servers are set up improperly. You should contact your ISP to get DNS server addresses.
TL-WR841N/TL-WR841ND Wireless N Router 23¾Get IP with Unicast DHCP - A few ISPs' DHCP servers do not support the broadcast applications. If you cannot get the IP Address normally, you can choose this option. (It is rarely required.) 2. If you choose Static IP, you should have the fixed IP Parameters given by your ISP. The Static IP settings page will appear, shown in Figure 4-7.Figure 4-7 WAN - Static IP¾IP Address - Enter the IP address in dotted-decimal notation provided by your ISP. ¾Subnet Mask - Enter the subnet Mask in dotted-decimal notation provided by your ISP, usually is 255.255.255.0. ¾Default Gateway - (Optional) Enter the gateway IP address in dotted-decimal notation provided by your ISP. ¾MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet networks is 1500 Bytes. It is not recommended that you change the default MTU Size unless required by your ISP. ¾Primary/Secondary DNS - (Optional) Enter one or two DNS addresses in dotted-decimal notation provided by your ISP. 3. If you choose PPPoE, you should enter the following parameters (Figure 4-8):
TL-WR841N/TL-WR841ND Wireless N Router 24Figure 4-8 WAN - PPPoE¾User Name/Password - Enter the User Name and Password provided by your ISP. These fields are case-sensitive. ¾Connect on Demand - In this mode, the Internet connection can be terminated automatically after a specified inactivity period (Max Idle Time) and be re-established when you attempt to access the Internet again. If you want your Internet connection keeps active all the time, please enter “0” in the Max Idle Time field. Otherwise, enter the number of minutes you want to have elapsed before your Internet access disconnects. ¾Connect Automatically - The connection can be re-established automatically when it was down.¾Time-based Connecting - The connection will only be established in the period from the start time to the end time (both are in HH:MM format). )Note:Only when you have configured the system time on System Tools -> Time page, will the Time-based Connecting function can take effect. ¾Connect Manually - You can click the Connect/ Disconnect button to connect/disconnect immediately. This mode also supports the Max Idle Time function as Connect on Demandmode. The Internet connection can be disconnected automatically after a specified inactivity period and re-established when you attempt to access the Internet again. Caution: Sometimes the connection cannot be terminated although you specify a time to Max Idle Time, since some applications are visiting the Internet continually in the background.
TL-WR841N/TL-WR841ND Wireless N Router 25If you want to do some advanced configurations, please click the Advanced button, and the page shown in Figure 4-9 will then appear: Figure 4-9 PPPoE Advanced Settings ¾MTU Size - The default MTU size is “1492” bytes, which is usually fine. It is not recommended that you change the default MTU Size unless required by your ISP. ¾Service Name/AC Name - The service name and AC (Access Concentrator) name, which should not be configured unless you are sure it is necessary for your ISP. In most cases, leaving these fields blank will work. ¾ISP Specified IP Address - If your ISP does not automatically assign IP addresses to the router during login, please click “Use IP address specified by ISP” check box and enter the IP address provided by your ISP in dotted-decimal notation.¾Detect Online Interval - The router will detect Access Concentrator online at every interval. The default value is “0”. You can input the value between “0”and “120”. The value “0” meansno detect. ¾DNS IP address - If your ISP does not automatically assign DNS addresses to the router during login, please click “Use the following DNS servers” check box and enter the IP address in dotted-decimal notation of your ISP’s primary DNS server. If a secondary DNS server address is available, enter it as well. Click the Save button to save your settings.
TL-WR841N/TL-WR841ND Wireless N Router 264.5.3 MAC Clone Choose menu “NetworkėMAC Clone”, you can configure the MAC address of the WAN on the screen below, Figure 4-10: Figure 4-10 MAC Address CloneSome ISPs require that you register the MAC Address of your adapter. Changes are rarely needed here. ¾WAN MAC Address - This field displays the current MAC address of the WAN port. If your ISP requires you to register the MAC address, please enter the correct MAC address into this field in XX-XX-XX-XX-XX-XX format(X is any hexadecimal digit). ¾Your PC's MAC Address - This field displays the MAC address of the PC that is managing the router. If the MAC address is required, you can click the Clone MAC Address To button and this MAC address will fill in the WAN MAC Address field. Click Restore Factory MAC to restore the MAC address of WAN port to the factory default value.Click the Save button to save your settings. )Note:Only the PC on your LAN can use the MAC Address Clone function. 4.6 Wireless Figure 4-11 Wireless menu There are five submenus under the Wireless menu (shown in Figure 4-11): Wireless Settings,Wireless Security, Wireless MAC Filtering, Wireless Advanced and Wireless Statistics. Click
TL-WR841N/TL-WR841ND Wireless N Router 27any of them, you will be able to configure the corresponding function. 4.6.1 Wireless Settings Choose menu “WirelessėWireless Settings”, you can configure the basic settings for the wireless network on this page. Figure 4-12 Wireless Settings ¾SSID - Enter a value of up to 32 characters. The same name of SSID (Service Set Identification) must be assigned to all wireless devices in your network. Considering your wireless network security, the default SSID is set to be TP-LINK_xxxxxx (xxxxxx indicates the last unique six numbers of each Router’s MAC address). This value is case-sensitive. For example, TP-LINK is NOT the same as tp-link.¾Channel - This field determines which operating frequency will be used. The default channel is set to 6. It is not necessary to change the wireless channel unless you notice interference problems with another nearby access point ¾Channel width - Select any channel width from the pull-down list.The default setting is automatic, which can adjust the channel width for your clients automatically. ¾Enable Wireless Router Radio - The wireless radio of this Router can be enabled or disabled to allow wireless stations access. ¾Enable SSID Broadcast - When wireless clients survey the local area for wireless networks to associate with, they will detect the SSID broadcast by the Router. If you select the Enable SSID Broadcast checkbox, the Wireless Router will broadcast its name (SSID) on the air.4.6.2 Wireless Security Choose menu “WirelessėWireless Security”, you can configure the security settings of your wireless network. There are five wireless security modes supported by the Router: WEP (Wired Equivalent Privacy), WPA (Wi-Fi Protected Access), WPA2 (Wi-Fi Protected Access 2), WPA2-PSK (Pre-Shared Key),
TL-WR841N/TL-WR841ND Wireless N Router 28WPA-PSK (Pre-Shared Key). Figure 4-13 Wireless Security ¾Disable Security - If you do not want to use wireless security, select this check box, but it’s recommended strongly to choose one of the following modes to enable security. ¾WEP - It is based on the IEEE 802.11 standard. xType - you can choose the type for the WEP security on the pull-down list. The default setting is Automatic, which can selectShared Keyor Open Systemauthentication type automatically based on the wireless station's capability and request. xWEP Key FormatASCII andHexadecimalformats are providedASCII format stands for any combination of keyboard characters in the specified length. Hexadecimal format stands for any combination of hexadecimal digits (0-9, a-f, A-F) in the specified length.
TL-WR841N/TL-WR841ND Wireless N Router 29xWEP Key settings - Select which of the four keys will be used and enter the matching WEP key that you create. Make sure these values are identical on all wireless stations in your network. xKey Type You can select the WEP key length (64-bit, or 128-bit, or 152-bit.) for encryption. "Disabled" means this WEP key entry is invalid. 64-bit -You can enter 10 hexadecimal digits (any combination of 0-9, a-f, A-F, zero key is not promoted) or 5 ASCII characters. 128-bit - You can enter 26 hexadecimal digits (any combination of 0-9, a-f, A-F, zero key is not promoted) or 13 ASCII characters. 152-bit - You can enter 32 hexadecimal digits (any combination of 0-9, a-f, A-F, zero key is not promoted) or 16 ASCII characters. )Note:If you do not set the key, the wireless security function is still disabled even if you have selected Shared Key as Authentication Type. ¾WPA /WPA2 - It’s based on Radius Server. xVersion- you can choose the version of the WPA security on the pull-down list. The default setting is Automatic, which can selectWPA (Wi-Fi Protected Access) or WPA2 (WPAversion 2) automatically based on the wireless station's capability and request. xEncryption -You can select either Automatic, or TKIP or AES.xRadius Server IP - Enter the IP address of the Radius Server. xRadius Port - Enter the port that radius service used. xRadius Password - Enter the password for the Radius Server. xGroup Key Update Period - Specify the group key update interval in seconds. The value should be 30 or above. Enter 0 to disable the update. ¾WPA-PSK/WPA2-PSK-It’s the WPA/WPA2 authentication type based on pre-shared passphrase.xVersion- you can choose the version of the WPA-PSK security on the drop-down list. The default setting is Automatic, which can selectWPA-PSK (Pre-shared key of WPA) or WPA2-PSK (Pre-shared key of WPA) automatically based on the wireless station's capability and request. xEncryption-When WPA-PSK or WPA is set as the Authentication Type, you can select either Automatic, or TKIP or AES as Encryption.
TL-WR841N/TL-WR841ND Wireless N Router 30xPSK Passphrase - You can enter a Passphrase between 8 and 63 characters. xGroup Key Update Period - Specify the group key update interval in seconds. The value should be 30 or above. Enter 0 to disable the update. Be sure to click the Save button to save your settings on this page. 4.6.3 Wireless MAC Filtering Choose menu “WirelessėMAC Filtering”, you can control the wireless access by configuring the MAC addresses Filtering function, shown in Figure 4-14. Figure 4-14 Wireless MAC address Filtering To filter wireless users by MAC Address, click Enable. If you do not wish to filter users by MAC Address, select Disable.¾MAC Address - The wireless station's MAC address that you want to filter. ¾Status - The status of this entry either Enabled or Disabled.¾Description - A simple description of the wireless station. To Add a Wireless MAC Address filtering entry, click the Add New… button. The "Add or Modify Wireless MAC Address Filtering entry" page will appear, shown in Figure 4-15:
TL-WR841N/TL-WR841ND Wireless N Router 31Figure 4-15 Add or Modify Wireless MAC Address Filtering entry To add or modify a MAC Address Filtering entry, follow these instructions: 1. Enter the appropriate MAC Address into the MAC Address field. The format of the MAC Address is XX-XX-XX-XX-XX-XX (X is any hexadecimal digit). For example: 00-0A-EB-B0-00-0B. 2. Enter a simple description of the wireless station in the Description field. For example: Wireless station A. 3. Status - Select Enabled or Disabled for this entry on the Status pull-down list. 4. Click the Save button to save this entry. To modify or delete an existing entry: 1. Click the Modify in the entry you want to modify. If you want to delete the entry, click theDelete.2. Modify the information. 3. Click the Save button. Click the Enable All button to make all entries enabled Click the Disabled All button to make all entries disabled. Click the Delete All button to delete all entries Click the Next button to go to the next page and click the Previous button to return to the previous page. For example: If you desire that the wireless station A with MAC address 00-0A-EB-00- 07-BE and the wireless station B with MAC address 00-0A-EB- 00-07-5F are able to access the router, but all the other wireless stations cannot access the router, you can configure the Wireless MAC Address Filtering list by following these steps: 1. Click the Enable button to enable this function. 2. Select the radio button: Deny the stations not specified by any enabled entries in the list
TL-WR841N/TL-WR841ND Wireless N Router 32to access for Filtering Rules.3. Delete all or disable all entries if there are any entries already. 4. Click theAdd New...button and enter the MAC address 00-0A-EB-00-07-BE/00-0A-EB-00-07-5F in the MAC Address field, then enter wireless station A/B in the Description field, while select Enabled in the Status pull-down list. Finally, click the Save and the Back button. The filtering rules that configured should be similar to the following list: 4.6.4 Wireless Advanced Choose menu “WirelessėWireless Advanced”, you can configure the advanced settings of your wireless network. Figure 4-16 Wireless Advanced ¾Beacon Interval - Enter a value between 20-1000 milliseconds for Beacon Interval here. The beacons are the packets sent by the router to synchronize a wireless network. Beacon Interval value determines the time interval of the beacons. The default value is 100. ¾RTS Threshold - Here you can specify the RTS (Request to Send) Threshold. If the packet is larger than the specified RTS Threshold size, the router will send RTS frames to a particular receiving station and negotiate the sending of a data frame. The default value is 2346.
TL-WR841N/TL-WR841ND Wireless N Router 33¾Fragmentation Threshold - This value is the maximum size determining whether packets will be fragmented. Setting the Fragmentation Threshold too low may result in poor network performance since excessive packets. 2346 is the default setting and is recommended. ¾DTIM Interval - This value determines the interval of the Delivery Traffic Indication Message (DTIM). A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages. When the Router has buffered broadcast or multicast messages for associated clients, it sends the next DTIM with a DTIM Interval value. You can specify the value between 1-255 Beacon Intervals. The default value is 1, which indicates the DTIM Interval is the same as Beacon Interval. ¾Enable WMM - WMM function can guarantee the packets with high- priority messages being transmitted preferentially. It is strongly recommended enabled. ¾Enable Short GI - This function is recommended for it will increase the data capacity by reducing the guard interval time.)Note:If you are not familiar with the setting items in this page, it's strongly recommended to keep the provided default values, otherwise may result in lower wireless network performance. 4.6.5 Wireless Statistics Choose menu “WirelessėWireless Statistics”, you can see the MAC Address, Current Status, Received Packets and Sent Packets for each connected wireless station. Figure 4-17 The router attached wireless stations ¾MAC Address - The connected wireless station's MAC address ¾Current Status - The connected wireless station's running status, one of STA-ASSOC / WPA / WPA-PSK / WPA2 / WPA2-PSK ¾Received Packets - Packets received by the station ¾Sent Packets - Packets sent by the station
TL-WR841N/TL-WR841ND Wireless N Router 34You cannot change any of the values on this page. To update this page and to show the current connected wireless stations, click on the Refresh button. If the numbers of connected wireless stations go beyond one page, click the Next button to go to the next page and click the Previous button to return the previous page. )Note:This page will be refreshed automatically every 5 seconds. 4.7 DHCP Figure 4-18 The DHCP menu There are three submenus under the DHCP menu (shown in Figure 4-18): DHCP Settings,DHCP Clients List and Address Reservation. Click any of them, and you will be able to configure the corresponding function. 4.7.1 DHCP Settings Choose menu “DHCPėDHCP Settings”, you can configure the DHCP Server on the page (shown in Figure 4-19).The router is set up by default as a DHCP (Dynamic Host Configuration Protocol) server, which provides the TCP/IP configuration for all the PC(s) that are connected to the router on the LAN. Figure 4-19 DHCP Settings ¾DHCP Server - Enable or Disable the DHCP server. If you disable the Server, you must have another DHCP server within your network or else you must manually configure the
TL-WR841N/TL-WR841ND Wireless N Router 35computer. ¾Start IP Address - This field specifies the first of the addresses in the IP address pool. 192.168.1.100 is the default start address. ¾End IP Address - This field specifies the last of the addresses in the IP address pool. 192.168.1.199 is the default end address. ¾Address Lease Time - The Address Lease Time is the amount of time in which a network user will be allowed connection to the router with their current dynamic IP Address. Enter the amount of time, in minutes. The user will be "leased" this dynamic IP Address. The range of the time is 1 ~ 2880 minutes. The default value is 120 minutes. ¾Default Gateway - (Optional.) Suggest to input the IP address of the LAN port of the router, default value is 192.168.1.1 ¾Default Domain - (Optional.) Input the domain name of your network. ¾Primary DNS - (Optional.) Input the DNS IP address provided by your ISP. Or consult your ISP.¾Secondary DNS - (Optional.) Input the IP address of another DNS server if your ISP provides two DNS servers. )Note:To use the DHCP server function of the router, you must configure all computers on the LAN as "Obtain an IP Address automatically" mode. 4.7.2 DHCP Clients List Choose menu “DHCPėDHCP Clients List”, you can view the information about the clients attached to the router in the next screen (shown in Figure 4-20). Figure 4-20 DHCP Clients List ¾ID - The index of the DHCP Client ¾Client Name - The name of the DHCP client ¾MAC Address - The MAC address of the DHCP client ¾Assigned IP - The IP address that the router has allocated to the DHCP client. ¾Lease Time - The time of the DHCP client leased. After the dynamic IP address has expired, the user will be automatically assigned a new dynamic IP address.
TL-WR841N/TL-WR841ND Wireless N Router 36You cannot change any of the values on this page. To update this page and to show the current attached devices, click the Refresh button. 4.7.3 Address Reservation Choose menu “DHCPėAddress Reservation”, you can view and add a reserved addresses for clients via the next screen (shown in Figure 4-21).When you specify a reserved IP address for a PC on the LAN, that PC will always receive the same IP address each time when it accesses the DHCP server. Reserved IP addresses should be assigned to the servers that require permanent IP settings. Figure 4-21 Address Reservation ¾MAC Address - The MAC address of the PC of which you want to reserve IP address. ¾Assigned IP Address - The IP address of the router reserved. ¾Status - The status of this entry either Enabled or Disabled.To Reserve IP addresses:1. Click the Add New button. (Pop-up Figure 4-22) 2. Enter the MAC address (in XX-XX-XX-XX-XX-XX format.) and IP address in dotted-decimal notation of the computer you wish to add. 3. Click the Save button when finished. Figure 4-22 Add or Modify an Address Reservation Entry To modify or delete an existing entry: 1. Click the Modify in the entry you want to modify. If you want to delete the entry, click the
TL-WR841N/TL-WR841ND Wireless N Router 37Delete.2. Modify the information. 3. Click the Save button. Click the Enable/ Disabled All button to make all entries enabled/disabled Click the Delete All button to delete all entries Click the Next button to go to the next page and Click the Previous button to return the previous page.4.8 Forwarding Figure 4-23 The Forwarding menu There are four submenus under the Forwarding menu (shown in Figure 4-23): Virtual Servers,Port Triggering,DMZ and UPnP. Click any of them, and you will be able to configure the corresponding function. 4.8.1 Virtual Servers Choose menu “ForwardingėVirtual Servers”, you can view and add virtual servers in the next screen (shown in Figure 4-24). Virtual servers can be used for setting up public services on your LAN, such as DNS, Email and FTP. A virtual server is defined as a service port, and all requests from the Internet to this service port will be redirected to the computer specified by the server IP. Any PC that was used for a virtual server must have a static or reserved IP Address because its IP Address may change when using the DHCP function. Figure 4-24 Virtual Servers ¾Service Port - The numbers of External Ports. You can type a service port or a range of service ports (in XXX – YYY format, XXX is the start port number, YYY is the end port number).
TL-WR841N/TL-WR841ND Wireless N Router 38¾IP Address - The IP Address of the PC providing the service application. ¾Protocol - The protocol used for this application, either TCP,UDP, or All (all protocols supported by the router). ¾Status - The status of this entry either Enabled or Disabled.To setup a virtual server entry: 1. Click the Add New button. (pop-up Figure 4-25) 2. Select the service you want to use from the Common Service Port list. If the CommonService Port list does not have the service that you want to use, type the number of the service port or service port range in the Service Port box. 3. Type the IP Address of the computer in the Server IP Address box.4. Select the protocol used for this application, either TCP or UDP, or All.5. Select the Enable check box to enable the virtual server. 6. Click the Save button. Figure 4-25 Add or Modify a Virtual Server Entry )Note:If your computer or server has more than one type of available service, please select another service, and enter the same IP Address for that computer or server. To modify or delete an existing entry: 1. Click the Modify in the entry you want to modify. If you want to delete the entry, click theDelete.2. Modify the information. 3. Click the Save button. Click the Enable/ Disabled All button to make all entries enabled/ disabled. Click the Delete All button to delete all entries.
TL-WR841N/TL-WR841ND Wireless N Router 39Click the Next button to go to the next page and click the Previous button to return the previous page.)Note:If you set the virtual server of service port as 80, you must set the Web management port on System Tools –> Remote Management page to be any other value except 80 such as 8080. Otherwise there will be a conflict to disable the virtual server. 4.8.2 Port Triggering Choose menu “ForwardingėPort Triggering”, you can view and add port triggering in the next screen (shown in Figure 4-26). Some applications require multiple connections, like Internetgames, video conferencing, Internet calling and so on. These applications cannot work with a pure NAT router. Port Triggering is used for some of these applications that can work with an NAT router. Figure 4-26 Port Triggering Once configured, operation is as follows: Figure 4-261. A local host makes an outgoing connection using a destination port number defined in the Trigger Port field. 2. The router records this connection, opens the incoming port or ports associated with this entry in the Port Triggering table, and associates them with the local host. 3. When necessary the external host will be able to connect to the local host using one of the ports defined in the Incoming Ports field.¾Trigger Port - The port for outgoing traffic. An outgoing connection using this port will "Trigger" this rule. ¾Trigger Protocol - The protocol used for Trigger Ports, either TCP,UDP, or All (all protocols supported by the router). ¾Incoming Ports Range - The port or port range used by the remote system when it responds to the outgoing request. A response using one of these ports will be forwarded to the PC that triggered this rule. You can input at most 5 groups of ports (or port section). Every group of ports must be set apart with ",". For example, 2000-2038, 2050-2051, 2085,
TL-WR841N/TL-WR841ND Wireless N Router 403010-3030. ¾Incoming Protocol - The protocol used for Incoming Ports Range, either TCP or UDP, or ALL (all protocols supported by the router). ¾Status - The status of this entry either Enabled or Disabled.To add a new rule, enter the following data on the Port Triggering screen. 1. Click the Add New button (pop-up Figure 4-27). 2. Enter a port number used by the application when it generates an outgoing request. 3. Select the protocol used for Trigger Port from the pull-down list, either TCP,UDP, or All.4. Enter the range of port numbers used by the remote system when it responds to the PC's request. 5. Select the protocol used for Incoming Ports Range from the pull-down list, either TCP or UDP, or All.6. Select the Enable checkbox to enable. 7. Click the Save button to save the new rule. Figure 4-27 Add or Modify a Triggering Entry There are many popular applications in the Popular Application list. You can select it, and the application will fill in the Trigger Port,incoming Ports Range boxes and select the Enablecheckbox. It has the same effect as adding a new rule. To modify or delete an existing entry: 1. Click the Modify in the entry you want to modify. If you want to delete the entry, click theDelete.2. Modify the information. 3. Click the Save button. Click the Enable All button to make all entries enabled
TL-WR841N/TL-WR841ND Wireless N Router 41Click the Disabled All button to make all entries disabled. Click the Delete All button to delete all entries )Note:1. When the trigger connection is released, the according opening ports will be closed. 2. Each rule allowed to be used only by one host on LAN synchronously. The trigger connection of other hosts on LAN will be refused. 3. Incoming Port Range cannot overlap each other. 4.8.3 DMZChoose menu “ForwardingėDMZ”, you can view and configure DMZ host in the screen (shown in Figure 4-28).The DMZ host feature allows one local host to be exposed to the Internet for a special-purpose service such as Internet gaming or videoconferencing. DMZ host forwards all the ports at the same time. Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static IP Address assigned to it because its IP Address may change when using the DHCP function. Figure 4-28 DMZ To assign a computer or server to be a DMZ server: 1. Click the Enable radio button 2. Enter the local host IP Address in the DMZ Host IP Address field 3. Click the Save button. )Note:After you set the DMZ host, the firewall related to the host will not work.4.8.4 UPnPChoose menu “ForwardingėUPnP”, you can view the information about UPnP(Universal Plug and Play) in the screen (shown in Figure 4-29).The UPnP feature allows the devices, such as Internet computers, to access the local host resources or devices as needed. UPnP devices can be automatically discovered by the UPnP service application on the LAN.
TL-WR841N/TL-WR841ND Wireless N Router 42Figure 4-29 UPnP Setting ¾Current UPnP Status - UPnP can be enabled or disabled by clicking the Enable or Disablebutton. As allowing this may present a risk to security, this feature is disabled by default. ¾Current UPnP Settings List - This table displays the current UPnP information.xApp Description -The description provided by the application in the UPnP request xExternal Port - External port, which the router opened for the application. xProtocol - Shows which type of protocol is opened. xInternal Port - Internal port, which the router opened for local host. xIP Address - The UPnP device that is currently accessing the router. xStatus - The port’s status displayed here. “Enabled” means that port is still active. Otherwise, the port is inactive. Click Refresh to update the Current UPnP Settings List. 4.9 SecurityFigure 4-30 The Security menu There are four submenus under the Security menu (shown in Figure 4-30): Firewall,IP Filtering, Domain Filtering and MAC Filtering. Click any of them, and you will be able to configure the corresponding function. 4.9.1 Firewall Choose menu “SecurityėFirewall”, you can control the general firewall switch in the firewall page (shown in Figure 4-31). The default setting for the switch is off. When the general firewall switch is off, even if IP Address Filtering, DNS Filtering and MAC Filtering are enabled, their settings are ineffective.
TL-WR841N/TL-WR841ND Wireless N Router 43Figure 4-31 Firewall ¾Enable Firewall - the general firewall switch is on or off. ¾Enable IP Address Filtering - set IP Address Filtering is enabled or disabled. There are two default filtering rules of IP Address Filtering, either Allow or Deny passing through the router. ¾Enable Domain Filtering - set Domain Filtering is enabled or disabled. ¾Enable MAC Filtering - set MAC Address Filtering is enabled or disabled. You can select the default filtering rules of MAC Address Filtering, either Allow or Deny accessing the router. 4.9.2 IP Filtering Choose menu “SecurityėIP Filtering”, you can configure the IP Address filtering rule in the screen (shown in Figure 4-32). The IP Address Filtering feature allows you to control the Internet Access of some specific users based on their IP addresses.
TL-WR841N/TL-WR841ND Wireless N Router 44Figure 4-32 IP address Filtering ¾Effective Time - This is the time or the range of time for the entry to take effect. For example, 1800 - 2200, it means that the entry will take effect from 18:00 to 22:00. ¾LAN IP - This is the LAN IP address or the range of LAN IP addresses in dotted-decimal notation format. For example, 192.168.1.20 - 192.168.1.30. Keep the field blank, which means all LAN IP addresses are controlled by the rule. ¾LAN Port - This is the LAN Port or the range of LAN ports in the field. For example, 1030 - 2000. Keep the field blank, which means all LAN ports are controlled by the rule. ¾WAN IP - This is the WAN IP address or the range of WAN IP addresses in dotted-decimal notation format. For example, 202.96.134.210 – 202.96.134.230. Keep the field blank, which means all WAN IP addresses are controlled by the rule. ¾WAN Port - This is the WAN Port or the range of WAN Ports. For example, 25 – 110. Keep the field blank, which means all WAN Ports are controlled by the rule. ¾Protocol - This indicates which protocol is used, either TCP,UDP, or All (all protocols supported by the router). ¾Action - This field displays the action that the Router takes to deal with the traffic. Allowmeans that the Router allows the traffic through the Router, Deny means that the Router rejects the traffic through the router. ¾Status - This field displays the status of the rule. Enabled means the rule will take effect, Disabled means the rule will not take effect. )Note:Before adding an IP Address Filtering entry, you should enable the Firewall and the IP Address Filtering function first (shown in Figure 4-31). To add/modify an IP Address filtering entry: For example: If you desire to block E-mail received and sent by the IP address 192.168.1.7 on
TL-WR841N/TL-WR841ND Wireless N Router 45your local network during the time of 1800 to 2200; And wish to make the PCs with IP addresses 192.168.1.8 to 192.168.1.12 unable to visit the website of IP address 202.96.134.12 all the day, while other PCs have no limit. You can configure the rules as follows.1. Enable the “Firewall” and “IP Address Filtering” on the Firewall screen (show in Figure 4-31), and then, you should select the Default IP Address Filtering Rule "Allow the packets not specified by any filtering rules to pass through the router". 2. Click Add New…/Modify shown in Figure 4-32, you will see a new screen shown in Figure 4-33. Enter the “Effective time” for the rule to take effect. Figure 4-33 3. Enter the “LAN IP Address”, “LAN Port”, “WAN IP Address” and “WAN Port” in the corresponding field. 4. Select the “Protocol”, “Action” and “Status” for the rule as shown in the Figure 4-33 5. Click the Save button to save this entry. 6. Go to Step 2 to complete the other rules continually. After you finish the configurations, you will see the rules in the table below:
TL-WR841N/TL-WR841ND Wireless N Router 46Other configurations for the entries: Click the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries. Click the Move button to change the entry’s order after entering the ID number in the first box and another ID number in second box Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen. 4.9.3 Domain Filtering Choose menu “SecurityėDomain Filtering”, you can configure the Domain filtering rule in the screen (shown in Figure 4-34). The Domain Filtering feature allows you to control access to certain websites on the Internet by specifying their domains or key words. Figure 4-34 Domain Filtering ¾Effective Time -Enter a time in HHMM format to specify the period when the filtering will take effect. For example, if the period is 0803 - 1705 then filtering will be active from 08:03 to 17:05.¾Domain Name - Type the domain or key word as desired in the field. A blank in the domain field means all websites on the Internet. For example: www.xxyy.com.cn, .net. ¾Status - Select Enabled or Disabled for this entry on the Status pull-down list. Enabledmeans the rule is effective, Disabled means the rule is ineffective. )Note:Before adding an IP Address Filtering entry, you should enable the Firewall and the IP Address Filtering function first (shown in Figure 4-31).
TL-WR841N/TL-WR841ND Wireless N Router 47To Add a Domain filtering entry: For example: if you want to block the PCs on your LAN from accessing websites www.xxyy.com.cn,www.aabbcc.com and websites with end of .net on the Internet, while no limit for other websites, you can configure as follows. 1. Click Add New…/Modify shown in Figure 4-34, you will see following screen. Figure 4-35 Add or Modify a Domain Filtering entry 2. Enter the “Effective time” and “Domain Name” in the screen shown in Figure 4-35. 3. Select the “Status” for the rule as shown in the screen. 4. Finally, click Save to make the rule take effect. To add additional entries, repeat steps 1-4. After you finish the configurations, you will see the rules in the table below: Other configurations for the entries: Click the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries. Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen.
TL-WR841N/TL-WR841ND Wireless N Router 484.9.4 MAC Filtering Choose menu “SecurityėMAC Address Filtering”, you can configure the MAC Address filtering rule in the next screen (shown in Figure 4-36). The MAC Address Filtering feature allows you to control access to the Internet by users on your local network based on their MAC addresses. Figure 4-36 MAC Address Filtering ¾MAC Address - .This is the PC’S MAC address which is controlled by the rule. Its format is XX-XX-XX-XX-XX-XX (X is any hexadecimal digit). For example: 00-0E-AE-B0-00-0B. ¾Description - This is the description about the PC, For example: John’s PC. ¾Status - This field displays the status, Enabled means the rule is effective, Disabled means the rule is ineffective. )Note:Before adding a MAC Address Filtering entry, you should enable the Firewall and the MAC Address Filtering function first (shown in Figure 4-31). To add or modify a Domain Filtering entry: For example: If you want to block the PCs with MAC addresses 00-0A-EB-00-07-BE and 00-0A-EB-00-07-5F to access the Internet, you can configure as follows. 1. Enable the “Firewall” and “MAC Address Filtering” on the Firewall screen (show in Figure 4-31). And then specify the Default MAC Address Filtering Rule as "Deny these PCs with enabled rules to access the Internet". 2. Click Add New…/Modify shown in Figure 4-36, you will see the following screen.
TL-WR841N/TL-WR841ND Wireless N Router 493. Enter the appropriate MAC address and descriptions, and then choose the enabled status. 4. Finally, click Save to make the rule take effect. To add additional entries, repeat steps 1-4. After you finish the configurations, you will see the rules in the table below: Figure 4-37 Other configurations for the entries: Click the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries. Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen. 4.10 Static Routing Choose menu “static routing”, you can configure the static route in the next screen (shown in Figure 4-38). A static route is a pre-determined path that network information must travel to reach a specific host or network.
TL-WR841N/TL-WR841ND Wireless N Router 50Figure 4-38 Static Routing To add static routing entries: 1. Click Add New… shown in Figure 4-38, you will see the following screen. Figure 4-39 Add or Modify a Static Route Entry 2. Enter the following data: ¾Destination IP Address - The Destination IP Address is the address of the network or host that you want to assign to a static route. ¾Subnet Mask - The Subnet Mask determines which portion of an IP Address is the network portion, and which portion is the host portion. ¾Gateway - This is the IP Address of the gateway device that allows for contact between the router and the network or host. 3. Select Enabled or Disabled for this entry on the Status pull-down list. 4. Click the Save button to make the entry take effect. Other configurations for the entries: Click the Delete button to delete the entry. Click the Enable All button to enable all the entries. Click the Disable All button to disable all the entries. Click the Delete All button to delete all the entries.
TL-WR841N/TL-WR841ND Wireless N Router 51Click the Previous button to view the information in the previous screen, click the Next button to view the information in the next screen. 4.11 Dynamic DNS Choose menu “Dynamic DNS”, you can configure the Dynamic DNS function in the next screen (shown in Figure 4-40 ). The router offers the DDNS (Dynamic Domain Name System) feature, which allows the hosting of a website, FTP server, or e-mail server with a fixed domain name (named by yourself) and a dynamic IP address, and then your friends can connect to your server by entering your domain name no matter what your IP address is. Figure 4-40 Dyndns.org DDNS Settings Before using this feature, you need to sign up for DDNS service providers www.dyndns.org,To set up for DDNS, follow these instructions: 1. Type the domain names that you registered with your DDNS service provider. 2. Type the User Name for your DDNS account. 3. Type the Password for your DDNS account. 4. Click the Login button to login to the DDNS service. ¾Connection Status -The status of the DDNS service connection is displayed here. Click Logout to logout of the DDNS service.
TL-WR841N/TL-WR841ND Wireless N Router 524.12 System Tools Figure 4-41 The System Tools menu Choose menu “System Tools”, you can see the submenus under the main menu: Time Settings,Firmware,Factory Defaults, Backup & Restore, Reboot, Password, System Log, Remote Management and Statistics. Click any of them, and you will be able to configure the corresponding function. The detailed explanations for each submenu are provided below. 4.12.1 Time Setting Choose menu “System ToolsėTime Setting”, you can configure the time on the following screen.Figure 4-42 Time settings ¾Time Zone - Select your local time zone from this pull down list. ¾Date - Enter your local date in MM/DD/YY into the right blanks. ¾Time - Enter your local time in HH/MM/SS into the right blanks. ¾NTP Server Prior - Enter the address for the NTP Server, then the Router will get the time from the NTP Server preferentially. In addition, the Router built-in some common NTP Servers, so it can get time automatically once it connects the Internet.To configure the system manually: 1. Select your local time zone. 2. Enter date and time in the right blanks.
TL-WR841N/TL-WR841ND Wireless N Router 533. Click Save to save the configuration. To configure the system automatically: 1. Select your local time zone. 2. Enter the IP address for NTP Server Prior.3. Click the Get GMT button to get system time from Internet if you have connected to the Internet.)Note:1. This setting will be used for some time-based functions such as firewall. You must specify your time zone once you login to the router successfully, otherwise, these functions will not take effect. 2. The time will be lost if the router is turned off. 3. The router will obtain GMT automatically from Internet if it has already connected to Internet. 4.12.2 Firmware Choose menu “System ToolsėFirmware”, you can update the latest version of firmware for the Router on the following screen. Figure 4-43 Firmware Upgrade¾Firmware Version - This displays the current firmware version. ¾Hardware Version - This displays the current hardware version. The hardware version of the upgrade file must accord with the Router’s current hardware version. To upgrade the router's firmware, follow these instructions below: 1. Download a more recent firmware upgrade file from the TP-LINK website (www.tp-link.com).2. Type the path and file name of the update file into the “File” field. Or click the Browse button to locate the update file. 3. Click the Upgrade button. )Note:1) New firmware versions are posted at www.tp-link.com and can be downloaded for free. If your router experiences no difficulties, it is unnecessary to download a recent firmware version
TL-WR841N/TL-WR841ND Wireless N Router 54unless the new version has a special feature that you want.2) When you upgrade the router's firmware, you may lose its current configurations, so please back up the router’s current settings before you upgrade its firmware. 3) Do not turn off the router or press the Reset button while the firmware is being upgraded, otherwise, the router may be damaged. 4) The router will reboot after the upgrading has been finished. 4.12.3 Factory Defaults Choose menu “System ToolsėFactory Defaults”, and you can restore the configurations of the Router to factory defaults on the following screen Figure 4-44 Restore Factory Default Click the Restore button to reset all configuration settings to their default values. xThe default User Name: admin xThe default Password: admin xThe default IP Address: 192.168.1.1 xThe default Subnet Mask: 255.255.255.0 )Note:Any settings you have saved will be lost when the default settings are restored. 4.12.4 Backup & Restore Choose menu “System ToolsėBackup and Restore”, you can save the current configuration of the Router as a backup file and restore the configuration via a backup file(shown in Figure 4-45). Figure 4-45 Backup & Restore Configuration
TL-WR841N/TL-WR841ND Wireless N Router 55¾Click the Backup button to save all configuration settings as a backup file in your local computer. ¾To upgrade the router's configuration, follow these instructions: xClick the Browse button to locate the update file for the device, or enter the exact path to the Setting file in the text box. xClick the Upgrade button. )Note:The current configuration will be covered by the uploading configuration file. The upgrade process lasts for 20 seconds and the router will restart automatically. Keep the router on during the upgrading process, to prevent any damage. 4.12.5 RebootChoose menu “System ToolsėReboot”, click the Reboot button to reboot the router via the next screen.Figure 4-46 Reboot the router Some settings of the router will take effect only after rebooting, which include: x Change Web Service Port of the router. x Upgrade the firmware of the router (system will reboot automatically). x Restore the router's settings to factory default (system will reboot automatically). 4.12.6 Password Choose menu “System ToolsėPassword”, you can change the factory default user name and password of the router in the next screen (shown in Figure 4-47).
TL-WR841N/TL-WR841ND Wireless N Router 56Figure 4-47 Password It is recommended strongly that you should change the factory default user name and password of the router, because all users who try to access the router's Web-based utility or Quick Setup will be prompted for the router's default user name and password. )Note:The new user name and password must not exceed 14 characters in length and not include any spaces. Enter the new Password twice to confirm. Click the Save button when finished. Click the Clear All button to clear all. 4.12.7 System log Choose menu “System ToolsėSystem Log”, you can view the logs of the Router. Figure 4-48 System Log
TL-WR841N/TL-WR841ND Wireless N Router 57The router can keep logs of all traffic. You can query the logs to find what happened to the router. Click the Refresh button to refresh the logs. Click the Clear All button to clear all the logs. 4.12.8 Remote Management Choose menu “System ToolsėRemote Management”, you can configure the Remote Management function on this screen (shown in Figure 4-49). This feature allows you to manage your Router from a remote location via the Internet. Figure 4-49 Remote Management ¾Web Management Port - The port number used to access the router. This router’s default remote management web port number is 80. For greater security, you’d better change the remote management web interface to a custom port by entering that number in the box provided. Choose a number between 1024 and 65534, but do not use the number of any common service port.¾Remote Management IP Address - This is the current address you will use when accessing your router from the Internet. The default IP address is 0.0.0.0. It means this function is disabled. To enable this function, change the default IP address to another IP address as desired. )Note:1) To access the router, you will type your router's WAN IP address into your browser's address (in IE) or Location (in Navigator) box, followed by a colon and the custom port number. For example, if your Router's WAN address is 202.96.12.8, and the port number you use is 8080, please enter http://202.96.12.8:8080 in your browser. Later, you may be asked for the router's password. After successfully entering the username and password, you will be able to access the router's web-based utility. 2) Be sure to change the router's default password to a very secure password.4.12.9 StatisticsChoose menu “System ToolsėStatistics”, you can view the statistics of the Router, including total traffic and current traffic of the last “Packets Statistic interval” seconds.
TL-WR841N/TL-WR841ND Wireless N Router 58Figure 4-50 Statistics ¾Current Statistics Status - Enable or Disable. The default value is disabled. To enable, click the Enable button. ¾Packets Statistics Interval - The default value is 10. Select a value between 5 and 60 seconds in the pull-down list. The Packets Statistic interval indicates the time section of the packets statistic. ¾Sorted Rules - Here displays sort as desired. Statistics Table: IP/MAC Address The IP/MAC Address displayed with statistics Packets The total amount of packets received and transmitted by the router. Total Bytes The total amount of bytes received and transmitted by the router. PacketsThe total amount of packets received and transmitted in the last Packets Statistic interval seconds. Bytes The total amount of bytes received and transmitted in the last Packets Statistic interval seconds. ICMP TxThe total amount of the ICMP packets transmitted to WAN in the last Packets Statistic interval seconds. UDP TxThe total amount of the UDP packets transmitted to WAN in the last Packets Statistic interval seconds. CurrentTCPSYN Tx The total amount of the TCP SYN packets transmitted to WAN in the last Packets Statistic interval seconds. Click the Save button to save the Packets Statistic interval value. Click the Auto-refresh checkbox to refresh automatically. Click the Refresh button to refresh immediately.
TL-WR841N/TL-WR841ND Wireless N Router 59Appendix A: FAQ 1. How do I configure the router to access Internet by ADSL users? 1) First, configure the ADSL Modem configured in RFC1483 bridge model. 2) Connect the Ethernet cable from your ADSL Modem to the WAN port on the router. The telephone cord plugs into the Line port of the ADSL Modem. 3) Login to the router, click the “Network” menu on the left of your browser, and click "WAN" submenu. On the WAN page, select “PPPoE” for WAN Connection Type. Type user name in the “User Name” field and password in the “Password” field, finish by clicking “Connect”. Figure A-1 PPPoE Connection Type 4) If your ADSL lease is in “pay-according-time” mode, select “Connect on Demand” or “Connect Manually” for Internet connection mode. Type an appropriate number for “Max Idle Time” to avoid wasting paid time. Otherwise, you can select “Auto-connecting” for Internet connection mode. Figure A-2 PPPoE Connection Mode )Note:i. Sometimes the connection cannot be disconnected although you specify a time to Max Idle Time, since some applications is visiting the Internet continually in the background. ii. If you are a Cable user, please configure the router following the above steps.
TL-WR841N/TL-WR841ND Wireless N Router 602. How do I configure the router to access Internet by Ethernet users? 1) Login to the router, click the “Network” menu on the left of your browser, and click "WAN" submenu. On the WAN page, select “Dynamic IP” for "WAN Connection Type", finish by clicking “Save”. 2) Some ISPs require that you register the MAC Address of your adapter, which is connected to your cable/DSL Modem during installation. If your ISP requires MAC register, login to the router and click the "Network" menu link on the left of your browser, and then click "MAC Clone" submenu link. On the "MAC Clone" page, if your PC’s MAC address is proper MAC address, click the "Clone MAC Address" button and your PC’s MAC address will fill in the "WAN MAC Address" field. Or else, type the MAC Address into the "WAN MAC Address" field. The format for the MAC Address is XX-XX-XX-XX-XX-XX. Then click the "Save" button. It will take effect after rebooting. Figure A-3 MAC Clone 3. I want to use Netmeeting, what do I need to do? 1) If you start Netmeeting as a host, you don’t need to do anything with the router. 2) If you start as an invitee, you need to configure Virtual Server or DMZ Host. 3) How to configure Virtual Server: Login to the router, click the “Forwarding” menu on the left of your browser, and click "Virtual Servers" submenu. On the "Virtual Server" page, click Add New, then on the “Add or Modify a Virtual Server” page, enter “1720” for the “Service Port” blank, and your IP address for the “IP Address” blank, taking 192.168.1.169 for an example, remember to “Enable” and “Save”. Figure A-4 Virtual Servers
TL-WR841N/TL-WR841ND Wireless N Router 61 Figure A-5 Add or Modify a Virtual server Entry )Note:Your Netmeeting partner should call your WAN IP, which is displayed on the “Status” page.4) How to enable DMZ Host: Login to the router, click the “Forwarding” menu on the left of your browser, and click "DMZ" submenu. On the "DMZ" page, click “Enable” radio and type your IP address into the “DMZ Host IP Address” field, using 192.168.1.169 as an example, remember to click the "Save” button. Figure A-6 DMZ 4. I want to build a WEB Server on the LAN, what should I do? 1) Because the WEB Server port 80 will interfere with the WEB management port 80 on the router, you must change the WEB management port number to avoid interference. 2) To change the WEB management port number: Login to the router, click the “Security” menu on the left of your browser, and click "Remote Management" submenu. On the "Remote Management" page, type a port number except 80, such as 88, into the "Web Management Port" field. Click “Save” and reboot the router.
TL-WR841N/TL-WR841ND Wireless N Router 62Figure A-7 Remote Management )Note:If the above configuration takes effect, to configure to the router by typing http://192.168.1.1:88 (the router’s LAN IP address: Web Management Port) in the address field of the Web browser. 3) Login to the router, click the “Forwarding” menu on the left of your browser, and click the "Virtual Servers" submenu. On the "Virtual Server" page, click Add New, then on the “Add or Modify a Virtual Server” page, enter “80” into the blank behind the “Service Port”, and your IP address behind the IP Address, assuming 192.168.1.188 for an example, remember to “Enable” and “Save”. Figure A-8 Virtual Servers Figure A-9 Add or Modify a Virtual server Entry 5. The wireless stations cannot connect to the router. 1) Make sure the "Wireless Router Radio" is enabled. 2) Make sure that the wireless stations' SSID accord with the router's SSID.
TL-WR841N/TL-WR841ND Wireless N Router 633) Make sure the wireless stations have right KEY for encryption when the router is encrypted. 4) If the wireless connection is ready, but you can’t access the router, check the IP Address of your wireless stations.
TL-WR841N/TL-WR841ND Wireless N Router 64Appendix B: Configuring the PCsIn this section, we’ll introduce how to install and configure the TCP/IP correctly in Windows XP. First make sure your Ethernet Adapter is working, refer to the adapter’s manual if needed. 1. Install TCP/IP component 1) On the Windows taskbar, click the Start button, point to Settings, and then click ControlPanel.2) Click the Network and Internet Connections icon, and then click on the Network Connections tab in the appearing window. 3) Right click the icon that showed below, select Properties on the prompt page. Figure B-1 4) In the prompt page that showed below, double click on the Internet Protocol (TCP/IP).
TL-WR841N/TL-WR841ND Wireless N Router 65Figure B-2 5) The following TCP/IP Properties window will display and the IP Address tab is open on this window by default. Now you have two ways to configure the TCP/IP protocol below: ¾Setting IP address automaticallySelect Obtain an IP address automatically, Choose Obtain DNS server automatically, as shown in the Figure below:
TL-WR841N/TL-WR841ND Wireless N Router 66Figure B-3 ¾Setting IP address manually1 Select Use the following IP address radio button. And the following items available 2 If the router's LAN IP address is 192.168.1.1, type IP address is 192.168.1.x (x is from 2 to 254), and Subnet mask is 255.255.255.0. 3 Type the router’s LAN IP address (the default IP is 192.168.1.1) into the Default gateway field.4 Select Use the following DNS server addresses radio button. In the Preferred DNS Server field you can type the DNS server IP address, which has been provided by your ISP
TL-WR841N/TL-WR841ND Wireless N Router 67Figure B-4
TL-WR841N/TL-WR841ND Wireless N Router 68Appendix C: Specifications GeneralStandards IEEE 802.3, 802.3u, 802.11b, 802.11g and 802.11n (draft 2.0) Protocols TCP/IP, PPPoE, DHCP, ICMP, NAT, SNTP Ports One 10/100M Auto-Negotiation WAN RJ45 port, Four 10/100M Auto-Negotiation LAN RJ45 ports supporting Auto MDI/MDIX 10BASE-T: UTP category 3, 4, 5 cable (maximum 100m) EIA/TIA-568 100ȍ STP (maximum 100m) Cabling Type 100BASE-TX: UTP category 5, 5e cable (maximum 100m) EIA/TIA-568 100ȍ STP (maximum 100m) LEDs Power, System, WLAN, WAN, LAN (1-4), QSS Safety & Emissions FCC, CE Wireless Frequency Band 2.4~2.4835GHz Radio Data Rate 11n˖up to 300Mbps˄Automatic˅11g˖54/48/36/24/18/12/9/6M˄Automatic˅11b˖11/5.5/2/1M˄Automatic˅Channels 13 Frequency Expansion DSSS(Direct Sequence Spread Spectrum) Modulation DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM Security WEP/WPA/WPA2/WPA2-PSK/WPA-PSK Sensitivity @PER 270M: -68dBm@10% PER; 130M: -68dBm@10% PER 108M: -68dBm@10% PER; 54M: -68dBm@10% PER 11M: -85dBm@8% PER; 6M: -88dBm@10% PER 1M: -90dBm@8% PER RF Power 20dBm(max) Antenna Gain 2dBi * 2 Environmental and Physical Operating : 0ć~40ć (32 ~104̧̧)Temperature. Storage: -40ć~70ć(-40̧~158̧)Operating: 10% - 90% RH, Non-condensing Humidity Storage: 5% - 90% RH, Non-condensing
TL-WR841N/TL-WR841ND Wireless N Router 69Appendix D: Glossary¾802.11n - 802.11n builds upon previous 802.11 standards by adding MIMO (multiple-input multiple-output). MIMO uses multiple transmitter and receiver antennas to allow for increased data throughput via spatial multiplexing and increased range by exploiting the spatial diversity, perhaps through coding schemes like Alamouti coding. The Enhanced Wireless Consortium (EWC) [3] was formed to help accelerate the IEEE 802.11n development process and promote a technology specification for interoperability of next-generation wireless local area networking (WLAN) products. ¾802.11b - The 802.11b standard specifies a wireless networking at 11 Mbps using direct-sequence spread-spectrum (DSSS) technology and operating in the unlicensed radio spectrum at 2.4GHz, and WEP encryption for security. 802.11b networks are also referred to as Wi-Fi networks. ¾802.11g - specification for wireless networking at 54 Mbps using direct-sequence spread-spectrum (DSSS) technology, using OFDM modulation and operating in the unlicensed radio spectrum at 2.4GHz, and backward compatibility with IEEE 802.11b devices, and WEP encryption for security. ¾DDNS (Dynamic Domain Name System) - The capability of assigning a fixed host and domain name to a dynamic Internet IP Address. ¾DHCP (Dynamic Host Configuration Protocol) - A protocol that automatically configure the TCP/IP parameters for the all the PC(s) that are connected to a DHCP server. ¾DMZ (Demilitarized Zone) - A Demilitarized Zone allows one local host to be exposed to the Internet for a special-purpose service such as Internet gaming or videoconferencing. ¾DNS (Domain Name System) – An Internet Service that translates the names of websites into IP addresses. ¾Domain Name - A descriptive name for an address or group of addresses on the Internet. ¾DSL (Digital Subscriber Line) - A technology that allows data to be sent or received over existing traditional phone lines. ¾ISP (Internet Service Provider) - A company that provides access to the Internet. ¾MTU (Maximum Transmission Unit)- The size in bytes of the largest packet that can be transmitted.¾NAT (Network Address Translation) - NAT technology translates IP addresses of a local area network to a different IP address for the Internet.
TL-WR841N/TL-WR841ND Wireless N Router 70¾PPPoE (Point to Point Protocol over Ethernet) - PPPoE is a protocol for connecting remote hosts to the Internet over an always-on connection by simulating a dial-up connection. ¾SSID - AService Set Identification is a thirty-two character (maximum) alphanumeric key identifying a wireless local area network. For the wireless devices in a network to communicate with each other, all devices must be configured with the same SSID. This is typically the configuration parameter for a wireless PC card. It corresponds to the ESSID in the wireless Access Point and to the wireless network name. ¾WEP (Wired Equivalent Privacy) - A data privacy mechanism based on a 64-bit or 128-bit or 152-bit shared key algorithm, as described in the IEEE 802.11 standard. ¾Wi-Fi - A trade name for the 802.11b wireless networking standard, given by the Wireless Ethernet Compatibility Alliance (WECA, see http://www.wi-fi.net), an industry standards group promoting interoperability among 802.11b devices. ¾WLAN (Wireless Local Area Network) - A group of computers and associated devices communicate with each other wirelessly, which network serving users are limited in a local area.

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