Netgear DGND4000 User Manual Page 139
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting
139
N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000
Quick Tips
This section describes tips for troubleshooting some common problems.
Sequence to Restart Your Network
Be sure to restart your network in this sequence:
1. Tu
rn off and unplug the modem.
2. T
urn off the wireless modem router and computers.
3. Plug in the modem and turn it
on. Wait 2 minutes.
4. T
urn on the wireless modem router and wait 2 minutes.
5. T
urn on the computers.
Check Ethernet Cable Connections
Make sure that the Ethernet cables are securely plugged in.
• T
he Internet status LED on the wireless modem router is lit if the Ethernet cable
connecting the wireless modem router and the modem is plugged in securely and the
modem and wireless modem router are turned on.
• F
or each powered-on computer connected to the wireless modem router by an Ethernet
cable, the corresponding numbered router LAN port LED is lit.
Wireless Settings
Make sure that the wireless settings in the computer and wireless modem router match
exactly.
• F
or a wirelessly connected computer, the wireless network name (SSID) and wireless
security settings of the wireless modem router and wireless computer need to match
exactly.
• I
f you set up an access list in the Advanced Wireless Settings screen, you have to add
each wireless computer’s MAC address to the wireless modem router’s access list.
Network Settings
Make sure that the network settings of the computer are correct.
• W
ired and wirelessly connected computers need to have network (IP) addresses on the
same network as the wireless modem router. The simplest way to achieve this address
commonality is to configure each computer to obtain an IP address automatically using
DHCP.
- N750 Wireless Dual Band 1
- Gigabit DSL Modem 1
- Router—Premium Edition 1
- DGND4000 1
- Trademarks 2
- Contents 3
- Chapter 5 USB Storage 4
- Chapter 7 Security 4
- Chapter 8 Administration 5
- Chapter 9 Advanced Settings 5
- Chapter 10 Troubleshooting 6
- • Hardware Features 10
- • ADSL Microfilters 10
- • Verify the Cabling 10
- Unpack Your New Router 11
- Hardware Features 12
- Back Panel 13
- Front Panel 14
- Table 1. WPS button and LED 15
- Table 2. Wireless button 15
- Table 3. USB port 15
- Table 4. Internet LED 15
- Table 5. DSL LED 16
- Table 6. 5 GHz Wireless LED 16
- Table 8. USB LED 16
- Position Your Wireless Router 17
- ADSL Microfilters 18
- Hardware Setup 19
- Verify the Cabling 20
- Types of Logins and Access 22
- NETGEAR genie Setup 23
- ******** 24
- Manual Method 26
- NETGEAR genie BASIC Settings 28
- Internet Basic Settings 29
- Attached Devices 31
- Parental Controls 32
- USB Storage (Basic Settings) 33
- Basic Wireless Settings 34
- Wireless Network 36
- Security Options Settings 37
- Guest Networks 38
- NETGEAR genie App 40
- NETGEAR genie Mobile App 41
- NETGEAR genie ADVANCED Home 42
- Setup Wizard 43
- WPS Wizard 45
- VPN Wizard 46
- Setup Menu 48
- ADSL Setup 49
- WAN Setup 50
- Default DMZ Server 51
- Change the MTU Size 51
- Table 11. Common MTU sizes 52
- To change the MTU size: 52
- LAN Setup 53
- LAN TCP/IP Setup 54
- Use Router as a DHCP Server 54
- Address Reservation 54
- Quality of Service Setup 56
- QoS for a MAC Address 59
- USB Storage 61
- USB Drive Requirements 62
- ReadySHARE Access 62
- Share Photos 63
- USB Storage Basic Settings 64
- To access your USB device: 65
- Add or Edit a Network Folder 66
- USB Storage Advanced Settings 67
- Available Network Folders 68
- Media Server Settings 69
- Specify Approved USB Devices 70
- Using FTP 71
- USB Printer Control 73
- Control Center Configuration 75
- USB Printer 75
- Security 77
- Firewall Rules 79
- To add a custom service: 82
- Schedule for Firewall Rules 83
- Click Check 86
- Router Information 87
- Internet Port 87
- Show Statistics Button 88
- Connection Status Button 89
- View VPN Status 91
- Manage the Configuration File 92
- Back Up Settings 93
- Set Password 94
- Diagnostics 95
- Time Machine 97
- To access the drive: 98
- Administration 100
- Change the Partition Scheme 102
- Advanced Settings 103
- Advanced Wireless Settings 104
- Wireless Repeating Function 108
- Set Up the Base Station 109
- Set Up a Repeater Unit 110
- Remote Computer Access Basics 111
- To set up port forwarding: 115
- Add a Custom Service 117
- Set Up Port Triggering 118
- To set up port triggering: 119
- Dynamic DNS 120
- Static Routes 121
- To set up a static route: 123
- Remote Management 124
- USB Settings 125
- Universal Plug and Play 125
- Traffic Meter 127
- ReadySHARE Cloud 129
- Device Mode 131
- VPN Policies 131
- To manage the VPN policies: 132
- Troubleshooting 138
- Quick Tips 139
- Troubleshoot with the LEDs 140
- LEDs Never Turn Off 141
- Wireless LEDs Are Off 141
- Cannot Log In to the Router 142
- Cannot Access the Internet 142
- Troubleshoot PPPoE 144
- Changes Not Saved 145
- Incorrect Date or Time 145
- Wireless Connectivity 145
- Wireless Signal Strength 146
- Request timed out 147
- Supplemental Information 149
- Technical Specifications 151
- Notification of Compliance 152
- FCC Caution 154
- Interference Reduction Table 156
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