TP-Link TL-ER6020 manual Appendix B FAQ

Page 163

Appendix B FAQ

Q1. What can I do if I cannot access the web-based configuration page?

1.For the first login, please try the following steps:

1)Make sure the cable is well connected to the LAN port of the Router. The corresponding LED should flash or be solid light.

2)Make sure the IP address of your PC is set in the same subnet addresses of the Router. It’s recommended to set your PC to get the IP address automatically. Then the Router with DHCP enabled can automatically assign the IP address to your PC. If you want to configure your PC manually, please set 192.168.0.x ("x" is any number between 2 to 254) for the IP address and 255.255.255.0 for the Subnet Mask.

3)Test the connection between your PC and TL-ER6020 via Ping command.

4)If you still cannot access the configuration page, please restore your Router to its factory default settings and try to log in again.

2.If your management port has been changed, please log into the Router with the new address, such as http://192.168.0.1:XX (“XX” is the new management port number).

3.If you had successfully logged into the Router before, but now you cannot access the Router. It’s quite possible that the configuration of your Router has been changed by others, especially when the Remote Web Management function is enabled. You’re recommended to restore your Router and reconfigure the management port number and the username as well as the password for your network security.

4.If you cannot access the Router even after restoring the Router to its defaults, or your login is dropped down just after a while, it’s quite possible that your Router is attacked by ARP cheating. It’s recommended to locate and quarantine the source of ARP cheating so as to prevent your network from the attacks.

5.Check to see if you have configured the proxy server for IE browser. If so, please disable the IE proxy server first.

Q2: What can I do if I forgot the username and the password of the Router? How to restore the Router to its factory default settings?

You can restore the Router to its factory default settings by the Reset button. It must be noted that once the Router is reset, all the current configuration settings will be lost.

With the Router powered on, use a pin to press and hold the Reset button for about 5~10 seconds. After the M1 LED is solid light for 2~5 seconds, release the Reset button. When the M1 and M2 LEDs flash simultaneously for about one second, the Router is restored successfully. The default management address of the Router is http://192.168.0.1, and the default username and the password are both admin.

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Contents REV1.0.1 1910010852 TL-ER6020 Gigabit Dual-WAN VPN RouterFCC STATEMENT COPYRIGHT & TRADEMARKSCE Mark Warning Chapter 1 About this Guide CONTENTSNetwork Requirements Chapter 4 ApplicationGlossary Hardware SpecificationsChapter 5 CLI The following items should be found in your package Package Contents One TL-ER6020 Router  One Power Cord  One Console Cable  Two mounting brackets and other fittings  Installation Guide1.2 Conventions SymbolChapter 1 About this Guide 1.1 Intended ReadersProvides the possible solutions to the problems that may occur during Lists the hardware specifications of this RouterSpecifications Appendix B FAQ2.1 Overview of the Router  Powerful Data Processing Capability Powerful Firewall Chapter 2 IntroductionHardware 2.2 Features Dual-WAN Ports  Easy-to-useSecurity 2.3 Appearance2.3.1 Front Panel Traffic ControlIndication  Reset button LEDs Status Kensington Security Slot  Power Socket2.3.2 Rear Panel  Grounding Terminal3.1.2 System Mode Chapter 3 Configuration3.1 Network 3.1.1 StatusFigure 3-3 Network Topology - Non-NAT Mode Figure 3-2 Network Topology - NAT Mode NAT Mode 1 Static IP 3.1.3 WAN Non-NAT Mode  Classic Mode Static IP Specify the bandwidth for receiving packets on the port 2 Dynamic IPUpstream Bandwidth Downstream Dynamic IP 3 PPPoE  Dynamic IP StatusFigure 3-8 WAN - PPPoE Enter the Account Name provided by your ISP. If you are not clear  PPPoE Settingson. The connection can be re-established automatically when it 576-1492. The default MTU is 1480. It is recommended to keep theDynamic IP is selected, the obtained subnet address of WAN port is Here allows you to configure the secondary connection. Dynamic IP4 L2TP  PPPoE Statuscorrect and your network is connected well. Consult your ISP if Figure 3-9 WAN - L2TP  L2TP SettingsInternet connection by the Connect or Disconnect button. It  L2TP Status 5 PPTP  PPTP SettingsFigure 3-10 WAN - PPTP Account Name 6 BigPond  PPTP Status StatusPrimary DNS Secondary DNS Upstream Bandwidth Downstream Bandwidth  BigPond Settings  BigPond Status  LAN 3.1.4 LAN3.1.4.1 LAN 3.1.4.2 DHCP DHCP Settings 3.1.4.4 DHCP Reservation 3.1.4.3 DHCP Client DHCP Reservation 3.1.5 DMZ List of Reserved Address 3.1.5.1 DMZ  DMZ 3.1.6 MAC Address MAC Address Set the MAC Address for LAN portSet the MAC Address for WAN port Set the MAC Address for DMZ port3.1.7.1 Statistics 3.1.7 Switch Statistics 3.1.7.2 Port MirrorPort Mirror GeneralMirroring Port Application Example 3.1.7.3 Rate Control Rate Control 3.1.7.4 Port Config3.1.7.5 Port Status  Port Config3.1.7.6 Port VLAN 3.2 User Group Port VLAN  List of Group  Group Config3.2.1 Group 3.2.2 User List of User  User Config View Config 3.2.3 View3.3 Advanced 3.3.1.1 NAT Setup3.3.1 NAT  One-to-One NAT 3.3.1.2 One-to-One NAT NAPT  NAT-DMZ List of Rules 3.3.1.3 Multi-Nets NAT Multi-Nets NAT Application Example Network Requirements  list of RulesConfiguration procedure 3.3.1.4 Virtual Server Protocol  Virtual Server Port Triggering 3.3.1.5 Port Triggering List of Rules 3.3.1.6 ALG 3.3.2 Traffic Control ALG  Default Limit 3.3.2.1 Setup General  Interface Bandwidth 3.3.2.2 Bandwidth Controldata flow might pass. Individual WAN port cannot be selected if  Bandwidth Control Rule3.3.3.1 Session Limit 3.3.3 Session Limit Session Limit 3.3.4.1 Configuration3.3.4 Load Balance 3.3.3.2 Session List3.3.4.2 Policy Routing 3.3.4.3 Link Backup You can select Timing or Failover Mode Status ： 3.3.4.4 ProtocolTiming Failover List of Protocol 3.3.5 Routing3.3.5.1 Static Route  Protocol Static Route 3.3.5.2 RIP Choose the menu Advanced→Routing→RIP to load the following page  List of RIP 3.3.5.3 Route Table3.4.1 Anti ARP Spoofing 3.4 Firewall3.4.1.1 IP-MAC Binding  IP-MAC Binding 3.4.1.2 ARP Scanning 3.4.1.3 ARP List 3.4.2 Attack DefenseFigure 3-49 Attack Defense Packet Anomaly 3.4.3 MAC Filtering MAC Filtering Enable Attack3.4.4.1 URL Filtering 3.4.4 Access Control URL Filtering Rule Select the mode for URL Filtering. “Keyword’’ indicates that all the Configuration Procedure Access Rules 3.4.4.3 Access Rules3.4.4.2 Web Filtering Select the Source IP Range for the entries, including the following group on3.2.1 GroupSelect the service for the entry. Only the service belonging to the other service types can still pass through the Router. You can addPriority 3.4.4.4 Service List of Service  Service3.4.5.1 Control Rules 3.4.5 App Control Control Rules 3.4.5.2 Database 3.5.1 IKE 3.5 VPN IKE Policy 3.5.1.1 IKE PolicySA Lifetime Specify ISAKMP SA Lifetime in IKE negotiation  List of IKE Policy 3.5.1.2 IKE Proposal IKE Proposal  List of IKE Proposal 3.5.2 IPseccan be entered 3.5.2.1 IPsec Policy IPsec Policy Policy NameGateway of the remote peer should be set to the IP address of  IKE Modepolicy on VPN→IKE→IKE Policy page which PCs on the remote network are covered by this policy. Itsde-encrypted, the key in Phase2 is easy to be de-encrypted, in  Manual ModePhase2. As it is independent of the key created in Phase1, this de-encrypted. Without PFS, the key in Phase2 is created based List of IPsec Policy IPsec 3.5.2.2 IPsec Proposal IPsec Proposal  List of IPsec Proposal 3.5.2.3 IPsec SAProtocol Authentication3.5.3 L2TP/PPTP 3.5.3.1 L2TP/PPTP Tunnel L2TP/PPTP Tunnel Select the IP Pool Name to specify the address range for the servers Enter the account name of L2TP/PPTP tunnel. It should be configured List of IP Pool  List of Configurations3.5.3.2 IP Address Pool  IP Address Pool3.6.1.1 General 3.6 Services3.6.1 PPPoE Server 3.5.3.3 List of L2TP/PPTP TunnelFigure 3-66 General The following items are displayed on this screen 3.6.1.2 IP Address Pool 3.6.1.3 Account  Account 3.6.1.4 Exceptional IP is 48. If Enable Advanced Account Features is not selected, the List of Account 3.6.1.5 List of Account 3.6.2 E-Bulletin Exceptional IP Specify the interval to release the bulletin  E-BulletinInterval Title List of E-Bulletin 3.6.3 Dynamic DNS Dyndns DDNS 3.6.3.1 DynDNS List of DynDNS Account 3.6.3.2 No-IP No-IP DDNS  List of No-IP Account 3.6.3.3 PeanutHull PeanutHull DDNS  List of PeanutHull Account 3.6.3.4 Comexe Comexe DDNS  List of Comexe Account 3.6.4 UPnP Administrator 3.7 Maintenance3.7.1 Admin Setup 3.7.1.1 AdministratorRe-enter the new password for confirmation 3.7.1.2 Login Parameter Remote Management 3.7.1.3 Remote Management List of Subnet 3.7.2 Management 3.7.2.1 Factory Defaults3.7.2.2 Export and Import  Import 3.7.2.3 Reboot Configuration Version  Export3.7.3 License 3.7.2.4 Firmware Upgrade3.7.4.1 Interface Traffic Statistics 3.7.4 Statistics Interface Traffic Statistics  Advanced WAN Information 3.7.4.2 IP Traffic Statistics IP Traffic Statistics 3.7.5 Diagnostics3.7.5.1 Diagnostics  Traffic Statistics Tracert  Ping List of WAN status 3.7.5.2 Online DetectionDisplays whether the Online Detection is enabled 3.7.6 Time  Config Current Time  List of Logs 3.7.7 LogsThe system is unusable LevelError conditions Severity4.1 Network Requirements Chapter 4 Application4.3.1 Internet Setting 4.2 Network Topology 4.3 Configurations4.3.1.1 System Mode 4.3.1.3 Link Backup4.3.1.2 Internet Connection 4.3.2.1 IPsec VPN 4.3.2 VPN Setting1 IKE Setting SettingsAuthenticationMD5 Encryption3DES  IKE Policy IPsec Proposal 2 IPsec SettingproposalIPsec1 proposalIPsec1 you just created  IPsec Policy IP Address Pool 4.3.2.2 PPTP VPN SettingL2TP/PPTPEnable ProtocolPPTP ModeServer UsernamePPTP Passwordabcdefg  L2TP/PPTP Tunnel User 4.3.3 Network Management4.3.3.1 User Group  Group View 4.3.3.2 App Control4.3.3.3 Bandwidth Control 1 Enable Bandwidth Control3 Bandwidth Control Rule 2 Interface BandwidthKeep the default value 4.3.3.4 Session Limit 4.3.4 Network Security1 Scan and import the entries to ARP List 4.3.4.1 LAN ARP Defense2 Set IP-MAC Binding Entry Manually 3 Set Attack Defense 4.3.4.2 WAN ARP Defense00-11-22-33-44-aa 4.3.4.4 Traffic Monitoring 4.3.4.3 Attack Defense1 Port Mirror 2 Statistics Figure 4-23 IP Traffic Statistics Chapter 5 CLI 5.1 ConfigurationFigure 5-3 Select the port to connect Figure 5-2 Connection DescriptionFigure 5-5 Connection Properties Settings 148 Figure 5-4 Port Settings5.2 Interface Mode admin Accessing PathLogout or Access the next mode enableIP mac bind configuration enableShow command history IP configurationTP-LINK ip get lan Lan Ip Lan Mask 5.4 Command Introduction5.4.2 ip-mac 5.4.1 ipTP-LINK # sys export config TP-LINK # sys reboot This command will reboot system, Continue?Y/NTP-LINK # sys restore This command will restore system, Continue?Y/NTP-LINK sys show CPU Used Rate 1% TP-LINK # sys update Password admin File name config.binTry to get the configuration file config.bin Get configuration file config bin succeed, file size is 7104 bytesTP-LINK # user get Username admin Password admin TP-LINK user get Username admin Password adminTP-LINK user set password Enter old password Enter new password Confirm new password1. history 2. sys show 3. history View the history command5.4.6 exit TP-LINK historyPorts Appendix A Hardware SpecificationsPower StandardsAppendix B FAQ 4. Make sure that the NAT DMZ service is disabled data authentication, and anti-replay services. ESP encapsulates Appendix C GlossaryGlossary AH（Authentication Header）for services such as IPSec that require keys. Before any IPSec Description enterprise Telnet is used for remote terminal connection, enabling users to
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TL-ER6020 specifications

The TP-Link TL-ER6020 is a robust and efficient router designed for small to medium-sized businesses seeking reliable network performance and advanced features. Combining dual WAN capability with comprehensive security features, it ensures that businesses can maintain consistent and secure internet connectivity, even during peak usage times or in the event of a failure from one ISP.

One of the primary features of the TL-ER6020 is its dual WAN support, which allows users to connect two different internet sources. This not only enhances reliability through load balancing but also ensures redundancy. In cases where the primary WAN connection fails, the router can seamlessly switch to the secondary connection, minimizing downtime and maintaining business operations.

Security is a critical aspect of any network appliance, and the TL-ER6020 does not disappoint. It comes equipped with multiple security features, including advanced firewall capabilities, IP/MAC/URL filtering, and DoS attacks prevention. These tools work together to provide a secure network environment, safeguarding sensitive business data from unauthorized access and potential threats.

The router also supports VLAN (Virtual Local Area Network) technology, which allows businesses to segment their networks for better performance and security. By creating separate networks for different departments or functions, companies can enhance their network management and control traffic flow more efficiently.

Additionally, the TL-ER6020 features quality of service (QoS) capabilities that prioritize network traffic based on user needs. This ensures that critical applications, such as VoIP or video conferencing, receive the bandwidth they require for optimal performance, while less critical traffic is deprioritized during peak times.

For user management, the TL-ER6020 includes an intuitive web-based interface that simplifies configuration and monitoring. Administrators can easily manage network settings, view statistics, and troubleshoot issues without the need for extensive technical expertise.

In terms of physical specifications, the TL-ER6020 is built with reliability in mind, featuring cooling vents to prevent overheating and an efficient power supply. Its compact design allows for easy placement in various environments, whether in a server room or on a desk.

Overall, the TP-Link TL-ER6020 is a solid choice for businesses looking to build a secure, versatile, and high-performance network. Its combination of dual WAN capabilities, strong security features, VLAN support, and QoS make it a comprehensive solution for modern networking needs.
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