D-Link manual Appendix a Troubleshooting, Some Common Problems With the DI-206

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DI-206 ISDN Remote Router

Appendix A - Troubleshooting

This chapter contains some problems you may run into when using your router. After each problem description, we have provided some instructions to help you diagnose and solve the problem.

Some Common Problems With the DI-206

None of the LEDs are on when you power up the router

♦Check the power cord and the power supply and make sure it is properly connected to your DI-206. If the error persists you may have a hardware problem. In this case you should contact technical support.

Connecting the RS-232 cable, cannot access the console program

♦Check to see if the DI-206 is connected to your computer’s serial port.

♦Check to see if the communications program is configured correctly. The communications software should be configured as follows:

◊VT100 terminal emulation.

◊9600 Baud rate.

◊No parity, 8 Data bits, 1 Stop bit.

Problems With the ISDN Line

If you are having problems making a connection through the ISDN line, try performing a Loopback Test (in the console program choose System Maintenance, Diagnostic, Loopback Test). If the loopback test succeeds then your physical connection to your phone company is ok and the problem probably lies in your ISDN settings (located in the console program under Interface Configuration, ISDN). Alternatively, the problem could be with the router or computer you are trying to call.

Problems with the LAN Interface

Can’t PING any station on the LAN

1.Check the LAN LED on the front panel of your router. If it is on, then the link is up. If it is off, then check the cables connecting the router to your LAN.

2.Make sure the LAN is enabled in the Interface Configuration, LAN submenu of the console program.

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Contents DI-206 Isdn Router User’s Guide Page FCC Warning CE Mark WarningSoftware Link Offices for Registration and Warranty ServiceHardware Wichtige Sicherheitshinweise Page Table of Contents Using Telnet 104 101102 Page Product Features Ease of InstallationIntroduction Built-in HubRadius Remote Authentication Dial In User Service Dhcp Support Dynamic Host Configuration ProtocolIsdn Leased Line Standard Phone JacksApplications for your DI-206 What This Manual CoversWhat This Manual Doesn’t Cover Other ResourcesAdditional Installation Requirements Packing ListOrdering Your Isdn Line InstallationDI-206 Front Panel DI-206 Rear Panel Telephone Features Installation and Initial ConfigurationSetting up the Console Connecting the Console to the RouterUsing the Console Connecting an Isdn Line to the RouterConnecting a Telephone or Fax Machine to the Router Connecting Ethernet Cables to the RouterImportant Notes on Ethernet Connections Device Port Device Being Cable to USE Used Connected TypePowering Up Devices for Initial Configuration Initial Configuration of the RouterConfiguring the LAN Port From the Main Menu choose Advanced Functions Choose Interface Configuration, LANChoose Network Configuration, IP Configuration Plugging in All Devices Configuration and Management Console Program Main MenuSystem Information Interface Configuration LAN DI-206 Isdn Remote Router Network Configuration IP Stack Configuration DI-206 Isdn Remote Router DI-206 Isdn Remote Router IP Static Route IP Static Route ExamplesRouter Advertisement Snmp Agent ConfigurationIP Networking Snmp Community Configuration Snmp Trap Manager Configuration Snmp Authenticated TrapRemote Operation Overview Remote Access ConfigurationAdvanced Functions Remote Network Connections DI-206 Isdn Remote Router Dial Configuration Dial-In User Profile DI-206 Isdn Remote Router Phone Number Supplied by Toggle between Router and Caller Remote Network ProfileDI-206 Isdn Remote Router Incoming Dhcp Configuration OutgoingDhcp Server Configuration Dynamic IP PoolDI-206 Isdn Remote Router Static IP Pool Filter Configuration Dhcp Relay AgentConfiguring a Filter Set Filter State of InterfaceLayer 2 Filter IP Filter DI-206 Isdn Remote Router Multiple Home Configuration DI-206 Isdn Remote Router Static ARP NAT Configuration How NAT Works NAT Setting Local IP Addresses Configure NAT/NAPT DI-206 Isdn Remote Router Dynamic NAT Dynamic Napt Static NATConfigure Napt for Special Aps Static NaptDI-206 Isdn Remote Router Telnet/Discovery Enable DNS Configuration Host Table Radius Configuration Multi-Link PPP ConfigurationDI-206 Isdn Remote Router Admin Configuration System Maintenance System StatusLAN Counter Table StatisticsCounter DI-206 Isdn Remote Router Isdn Counter Table Runtime Tables IP Routing Table ARP Table PPP TableLog and Trace Event/Error LogLog Configuration View Log File Trace Buffer Configuration Trace BufferView Trace Buffer Packet Triggered Last CallDiagnostic Connection TestPing Test Loopback TestSystem LAN Software Update System IsdnSystem Restart Factory Reset System Settings Backup/RestoreBackup System Settings Restore System SettingsDI-206 Isdn Remote Router Prom System Configuration System ConfigurationTCP/IP Parameters Configuration System ResetSoftware Update Eeprom Factory Reset Execute BootloadDI-206 Isdn Remote Router Using Telnet Telnet ConfigurationUsing Telnet via LAN Using Telnet via IsdnSystem Timeout Configuring the DI-206 for Radius Authentication Using Radius AuthenticationInstalling a Radius Server Adding Users to the Radius Database Appendix a Troubleshooting Some Common Problems With the DI-206Problems With the Isdn Line Problems with the LAN InterfaceDI-206 Isdn Remote Router IP Network Classes Appendix B IP ConceptsIP Addresses Subnet Mask IP Port Numbers Appendix C IP Protocol and Port NumbersIP Protocol Numbers Appendix D Technical Specifications GeneralPhysical & Environmental Appendix E Country ID Numbers Appendix F Configuration File Configuration File Example103 Index BAPSee LAN Snmp Offices Registration Card

DI-206 specifications

The D-Link DI-206 is a versatile and reliable networking solution designed to cater to the demands of both home and small office environments. This router is equipped with a range of features and technologies that ensure efficient connectivity and seamless online experiences.

One of the key highlights of the D-Link DI-206 is its robust and user-friendly interface, which is ideal for users of all technical levels. It offers an easy setup process, typically involving a simple web-based configuration that allows users to get their network up and running in no time. The device supports multiple operating modes, including router and access point modes, making it flexible and adaptable to varying networking requirements.

The DI-206 is equipped with dual WAN ports, which provide users with the ability to connect to two separate internet connections. This feature enhances reliability and ensures continuous internet access, as it can automatically switch to a backup connection if the primary line fails. Such redundancy is particularly advantageous for businesses that require uninterrupted connectivity for operations.

In terms of performance, the D-Link DI-206 supports advanced wireless standards, offering data transfer rates that cater to modern bandwidth needs. With dual-band capabilities, it can operate on both 2.4GHz and 5GHz frequencies, allowing users to maximize their wireless coverage while minimizing interference from other devices. This is essential for activities such as streaming, gaming, and video conferencing, where bandwidth demands can be high.

Security is another critical aspect of the D-Link DI-206. It incorporates comprehensive security features, including WPA/WPA2 encryption to protect user data from unauthorized access. Additionally, the router features a built-in firewall and supports VPN passthrough, providing an extra layer of security for users engaging in sensitive online activities.

The DI-206 also offers multiple Ethernet ports for wired connections, enabling users to connect various devices such as computers, printers, and gaming consoles directly to the network. This ensures stable and high-speed internet access for devices that require a consistent connection.

Overall, the D-Link DI-206 stands out as a reliable networking device that combines performance, versatility, and security. Whether for home use or small office environments, it provides an effective solution for users looking to establish a strong and secure network. With its range of features and technologies, the DI-206 is a compelling option for those seeking to enhance their online connectivity and overall experience.
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