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- TROUBLESHOOTING
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Wireless-N ADSL2+ Modem Router DGN2000 Reference Manual
6-2 Troubleshooting
v1.0, July 2008
If the ADSL link LED is lit, a link has been established to the connected device. If a LAN port
is connected to a 100 Mbps device, verify that the port’s LED is green. If the port is 10 Mbps,
the LED is amber.
If any of these conditions does not occur, refer to the appropriate following section.
“Welcome” Page Displays instead of Router Management
Interface
This situation can occur if the CD Setup Wizard does not complete successfully; the unit will stay
in “Wizard Mode”. If the “Welcome” page displays instead of the Router Management interface
when you try to go to the Internet or log into the Router Management interface, you can bypass the
wizard using one of the following methods:
• Log into the Router Management interface at http://routerlogin.com/basicsetting.htm.
• Perform a factory reset to take the router out of “Wizard Mode” altogether.
Power LED Is Not On
If the Power and other LEDs are off when your router is turned on:
• Make sure that the power cord is properly connected to your router and that the power supply
adapter is properly connected to a functioning power outlet.
• Check that you are using the 12 V DC power adapter supplied by NETGEAR for this product.
If the error persists, you have a hardware problem and should contact Technical Support.
Power LED Is Red
When the router is turned on, it performs a power-on self-test. If the Power LED turns red after a
few seconds or at any other time during normal operation, there is a fault within the router. The
Power LED also turns red when you press the Wireless On/Off and WPS buttons on the side panel
of the router simultaneously for 6 seconds, and blinks red 3 times when you release these buttons.
However, in this case, the modem router is working normally.
If the Power LED turns red to indicate a router fault, turn the power off and on to see if the router
recovers.
- Wireless-N ADSL2+ 1
- Modem Router DGN2000 1
- Reference Manual 1
- Contents 7
- About This Manual 11
- Italics Emphasis, books 12
- Italics URL links 12
- How to Use This Manual 13
- How to Print this Manual 13
- Revision History 14
- Chapter 1 15
- Figure 1-1 17
- Figure 1-2 17
- Figure 1-3 18
- ISP does not require login 22
- ISP does require login 22
- ADSL Settings 25
- Chapter 2 27
- Wireless Security Options 29
- Figure 2-2 31
- Table 2-1. Wireless Settings 33
- Figure 2-3 38
- Figure 2-4 41
- Network and Security 43
- Figure 2-5 44
- Figure 2-6 45
- Figure 2-7 45
- Chapter 3 49
- Protecting Your Network 49
- 3-2 Protecting Your Network 50
- Figure 3-1 50
- Figure 3-2 50
- to perform these functions 51
- 3-4 Protecting Your Network 52
- Figure 3-3 52
- Firewall Rules 53
- 3-6 Protecting Your Network 54
- Figure 3-4 54
- Protecting Your Network 3-7 55
- Figure 3-5 55
- 3-8 Protecting Your Network 56
- Figure 3-6 56
- Protecting Your Network 3-9 57
- 3-10 Protecting Your Network 58
- Figure 3-7 58
- Order of Precedence for Rules 59
- Services 60
- Protecting Your Network 3-13 61
- Figure 3-9 61
- Figure 3-10 61
- How to Set Your Time Zone 62
- Protecting Your Network 3-15 63
- 3-16 Protecting Your Network 64
- Chapter 4 65
- Managing Your Network 65
- 4-2 Managing Your Network 66
- Figure 4-1 66
- Managing Your Network 4-3 67
- 4-4 Managing Your Network 68
- Figure 4-2 68
- Managing Your Network 4-5 69
- Figure 4-3 69
- Figure 4-4 69
- 4-6 Managing Your Network 70
- Managing Your Network 4-7 71
- 4-8 Managing Your Network 72
- Figure 4-5 72
- Managing Your Network 4-9 73
- Figure 4-6 73
- Viewing Attached Devices 74
- Managing Your Network 4-11 75
- Figure 4-8 75
- 4-12 Managing Your Network 76
- Examples of Log Messages 77
- 4-14 Managing Your Network 78
- Figure 4-9 78
- Modem Router 79
- Configuring Remote Management 80
- Managing Your Network 4-17 81
- Figure 4-11 81
- Automatic Firmware Recovery 82
- Managing Your Network 4-19 83
- 4-20 Managing Your Network 84
- Chapter 5 85
- Advanced Configuration 85
- 5-2 Advanced Configuration 86
- Other WAN Options 87
- Configuring LAN IP Settings 88
- Advanced Configuration 5-5 89
- Figure 5-2 89
- Configuring DHCP 90
- Advanced Configuration 5-7 91
- 5-8 Advanced Configuration 92
- Figure 5-3 92
- Configuring Dynamic DNS 93
- How to Configure Dynamic DNS 93
- Using Static Routes 94
- Advanced Configuration 5-11 95
- Figure 5-5 95
- 5-12 Advanced Configuration 96
- Figure 5-6 96
- Advanced Configuration 5-13 97
- Figure 5-7 97
- Figure 5-8 97
- 5-14 Advanced Configuration 98
- Advanced Configuration 5-15 99
- Figure 5-9 99
- 5-16 Advanced Configuration 100
- Figure 5-10 100
- Advanced Configuration 5-17 101
- Figure 5-11 101
- 5-18 Advanced Configuration 102
- Figure 5-12 103
- Advanced Configuration 5-19 103
- 5-20 Advanced Configuration 104
- Advanced Configuration 5-21 105
- Figure 5-13 105
- Figure 5-14 105
- 5-22 Advanced Configuration 106
- Chapter 6 107
- Troubleshooting 107
- Interface 108
- Power LED Is Not On 108
- Power LED Is Red 108
- Troubleshooting 6-3 109
- ADSL Link 110
- Internet LED is Red 111
- 6-6 Troubleshooting 112
- Troubleshooting 6-7 113
- Troubleshooting 6-9 115
- Problems with Date and Time 116
- Appendix A 117
- Technical Specifications 117
- Default Configuration 118
- Technical Specifications A-3 119
- A-4 Technical Specifications 120
- Appendix B 121
- Related Documents 121
- B-2 Related Documents 122
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