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TP-Link TD-8816 Appendix B Troubleshooting, What can I do if I don’t know or forgot my password?

Models: TD-8816

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TD-8816

ADSL2+ Modem Router User Guide

Appendix B: Troubleshooting

1. How do I restore my Router’s configuration to its factory default settings?

With the Router powered on, press and hold the RESET button on the rear panel for 8 to 10 seconds before releasing it.

)Note:

Once the Router is reset, the current configuration settings will be lost and you will need to re-configure the router.

2. What can I do if I don’t know or forgot my password?

1)Restore the Router’s configuration to its factory default settings. If you don’t know how to do that, please refer to section T1.

2)Use the default user name and password: admin, admin.

3)Try to configure your Router once again by following the instructions in the previous steps of the QIG.

3. What can I do if I cannot access the web-based configuration page?

1) Configure your computer’s IP Address.

For Windows XP OS

Go to Start > Control Panel, you will then see the following page.

Click Network and Internet

Connections

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TP-Link TD-8816 manual Appendix B Troubleshooting, What can I do if I don’t know or forgot my password?, For Windows XP OS

Contents

Rev2.0.0 1910010536 TD-8816 ADSL2+ Modem RouterCOPYRIGHT & TRADEMARKS CE Mark Warning FCC STATEMENTPackage Contents CONTENTSHardware Installation Chapter 3. Quick Installation GuideAppendix B Troubleshooting Appendix A SpecificationsAppendix C Technical Support 4.6.1Package Contents TD-8816ADSL2+ Modem Router User Guide Chapter 1. Introduction 1.2 Main Features1.1 Product Overview ADSL1.3 Conventions TD-8816ADSL2+ Modem Router User Guide 2.1 The Front Panel Chapter 2. Hardware InstallationTD-8816 ADSL2+ Modem Router User Guide2.4 Connecting the Router 2.3 Installation Environment2.2 The Back Panel TD-8816TD-8816 ADSL2+ Modem Router User GuidePHONE Connect to the phone sets 3.1 Configure PC Chapter 3. Quick Installation GuideTD-8816 ADSL2+ Modem Router User GuideADSL2+ Modem Router User Guide TD-88162 Is the TCP/IP configuration for your PC correct? 3.2 LoginTD-8816 ADSL2+ Modem Router User GuideAfter that, you will see the screen shown below, enter the default User Name admin and the default Password admin, and then click OK to access to the Quick Start screen. You can follow the steps below to complete the Quick Setup TD-8816ADSL2+ Modem Router User Guide TD-8816 ADSL2+ Modem Router User GuideStep 5 Click NEXT to finish the Quick Start 4.1 Status Chapter 4. Software Configuration4.1.1 Device Info TD-88164.1.2 System Log TD-8816ADSL2+ Modem Router User Guide 4.1.3 Statistics TD-8816ADSL2+ Modem Router User Guide ADSL2+ Modem Router User Guide TD-8816¾ Select Ethernet, and you will see the statistics table as below Statistics Table4.2 Quick Start 4.3 Interface Setup4.3.1 Internet TD-8816Virtual Circuit Select the VC number you want to setup, PVC0~PVC7 TD-8816ADSL2+ Modem Router User Guide ADSL2+ Modem Router User Guide TD-88161. Dynamic IP Address ¾ TCP MTU Option Enter the TCP MTU as your desireADSL2+ Modem Router User Guide TD-8816Direction Select this option to specify the RIP direction. None is for disabling the RIP function. Both means the ADSL Router will periodically send routing information and accept routing information, and then incorporate them into routing table. IN only means the ADSL router will only accept but will not send RIP packet. OUT only means the ADSL router will only send but will not accept RIP packet 2. Static IP AddressADSL2+ Modem Router User Guide TD-8816TD-8816 4.3.2 LANADSL2+ Modem Router User Guide 4. Bridge ModeADSL2+ Modem Router User Guide TD-8816TD-8816 ADSL2+ Modem Router User GuideIP Pool Count The max user pool size If you select Disabled, the DHCP function will not take effect TD-8816ADSL2+ Modem Router User Guide 4.4.1 Firewall 4.4 Advanced Setup4.4.2 Routing TD-88164.4.3 NAT TD-8816ADSL2+ Modem Router User Guide TD-8816 ¾ Virtual Circuit Enter Virtual Circuit Index that you plan to setup for the NAT functionADSL2+ Modem Router User Guide 4.4.3.1. DMZTD-8816 Other configurations for the entries as shown in FigureADSL2+ Modem Router User Guide To add a virtual server entryADSL2+ Modem Router User Guide TD-8816To add a mapping rule IP Address Mapping is only available for VCs with Multiple IPsOther configurations for the entries as shown in Figure 4.4.4 QoSTD-8816 ADSL2+ Modem Router User Guide4.4.5 VLAN TD-8816ADSL2+ Modem Router User Guide TD-8816 Virtual LAN VLAN is a group of devices on one or more LANs that are configured so that they can communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, it is very flexible for user/host management, bandwidth allocation and resource optimization. There are two types of VLAN as followsADSL2+ Modem Router User Guide 1. Assign VLAN PVID for each Interface4.4.6 ADSL TD-8816ADSL2+ Modem Router User Guide 4.5.1 ACL 4.5 Access ManagementTD-8816 ADSL2+ Modem Router User GuideTD-8816 4.5.2 FilterADSL2+ Modem Router User Guide 4.5.2.1. IP FilterTD-8816 ADSL2+ Modem Router User Guide¾ Interface Select the interface for the entry ADSL2+ Modem Router User Guide TD-8816be shown in the row 2 for the matching with ¾ Rule Type For IP Filter, please select IP hereTD-8816 Other configurations for the entries as shown in FigureADSL2+ Modem Router User Guide Step 5 Finally, click the SAVE to save the entryTD-8816 ADSL2+ Modem Router User GuideTo add a MAC Address filtering entry TD-8816 Other configurations for the entries as shown in FigureADSL2+ Modem Router User Guide Step 4 Finally, click the SAVE to save the entryADSL2+ Modem Router User Guide TD-8816¾ Application Filter Activate or deactivate the function 4.5.2.4. URL Filter4.5.4 UPnP 4.5.3 SNMPOther configurations for the entries as shown in Figure TD-88164.5.5 DDNS TD-8816ADSL2+ Modem Router User Guide 4.5.6 CWMP 4.6 MaintenanceTD-8816 ADSL2+ Modem Router User Guide4.6.2 Time Zone 4.6.1 AdministrationTD-8816 ADSL2+ Modem Router User GuideADSL2+ Modem Router User Guide TD-88162. PC’s Clock Select PC’s Clock as the Synchronize time, you don’t need to set any itemsTo upgrade the routers firmware, follow these instructions below 4.6.3 FirmwareTD-8816 ADSL2+ Modem Router User GuideTo back up the Router’s current settings 4 The router will reboot after the upgrading has been finishedTo restore the Router’s settings TD-88164.6.5 Diagnostics 4.6.4 SysRestartTD-8816 ADSL2+ Modem Router User Guide 4.7 Help TD-8816ADSL2+ Modem Router User Guide TD-8816 Appendix A SpecificationsADSL2+ Modem Router User Guide General2. What can I do if I don’t know or forgot my password? Appendix B Troubleshooting3. What can I do if I cannot access the web-based configuration page? TD-8816ADSL2+ Modem Router User Guide TD-8816Click Network Connections Right-click Local AreaADSL2+ Modem Router User Guide TD-8816Double-click Internet Protocol TCP/IP Select Obtain an IP address automaticallyADSL2+ Modem Router User Guide TD-8816ADSL2+ Modem Router User Guide TD-8816For Windows Vista OS Click View network status and tasks Click View statusADSL2+ Modem Router User Guide TD-8816Protocol Version 4 TCP/IPv4 Select Obtain an IP address automatically Select Obtain DNS server address automaticallyTD-8816 Click View network status and tasks Click Change adapter settingsADSL2+ Modem Router User Guide For Windows 7 OSADSL2+ Modem Router User Guide TD-8816Protocol Version 4 TCP/IPv4 Select Obtain an IP address automatically Select Obtain DNS server address automaticallyTD-8816 4. What can I do if I cannot access the Internet?ADSL2+ Modem Router User Guide Click Internet Options Select Never dial a connectiontry the following steps. If you cannot, please set your computer referring to T3 then try to see if you can access the Internet. If the problem persists, please go to the next step TD-8816ADSL2+ Modem Router User Guide TD-8816 Appendix C Technical Support Technical SupportADSL2+ Modem Router User Guide Global