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Netgear C7800 User Manual - Page 104

Troubleshooting

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10. Troubleshooting 10 This chapter provides information to help you diagnose and solve problems you might experience with your modem router. If you do not find the solution here, check the NETGEAR support site at support.netgear.com for product and contact information. This chapter contains the following sections: • Troubleshoot With the LEDs • Troubleshoot the Cable Internet Connection • Cannot Log In to the Modem Router • Changes Not Saved • WiFi Connectivity • Troubleshoot Your Network Using the Ping Utility 104

Section	Page
AC3200 WiFi Cable Modem Router	1
Contents	3
1. Hardware Setup	7
Unpack Your Modem Router	8
Top and Front Panel	8
Rear Panel	10
Position Your Modem Router	11
Install and Activate Your Modem Router	12
Connect Your Modem Router to a Computer	12
Activate Your Internet Service With Comcast XFINITY	13
Perform a Speed Test	14
Connect Your Modem Router to a Router After Installation and Activation	14
2. Connect to the Network and Access the Modem Router	15
Connect to the Network	16
Wired Connection	16
WiFi Connection	16
Label	17
Types of Logins	17
Log In to the Modem Router	17
Access the Modem Router With NETGEAR genie App	19
3. Specify Your Internet Settings	20
Specify the Cable Connection Starting Frequency	21
View Modem Router Initialization	22
Manually Set Up the Internet Connection	23
Change the MTU Size	24
4. Control Access to the Internet	26
Set Up Parental Controls	27
Block Access to Your Network	28
Use Keywords to Block Internet Sites	29
Delete a Keyword	30
Block Services From the Internet	31
Schedule When to Block Internet Sites and Services	32
Avoid Blocking on a Trusted Computer	33
Set Up Security Event Email Notifications	34
Enable or Disable NAT	35
5. Share USB Devices Attached to the Modem Router	37
USB Storage Device Requirements	38
Connect a USB Storage Device to the Modem Router	38
Access a USB Drive Connected to the Modem Router From a Windows-Based Computer	39
Map a USB Device to a Windows Network Drive	39
Access a USB Storage Device That Is Connected to the Modem Router From a Mac	40
Control Access to the USB Storage Device	40
Use FTP Within the Network	42
View or Change Network Folders on a USB Storage Device	42
Add a Network Folder on a USB Storage Device	44
Edit a Network Folder on a USB Storage Device	45
Approve USB Devices	45
Access the USB Storage Device Through the Internet	46
Set Up FTP Access Through the Internet	46
Access the USB Storage Device Through the Internet With FTP	48
Safely Remove a USB Storage Device	48
6. Share a USB Printer	50
Install the Printer Driver and Cable the Printer	51
Download the ReadySHARE Printer Utility	51
Install the ReadySHARE Printer Utility	52
Use the Shared Printer	53
View or Change the Status of a Printer	54
Use the Scan Feature of a Multifunction USB Printer	55
Change NETGEAR USB Control Center Settings	56
7. Specify Network Settings	58
View or Change the WAN Settings	59
Set Up a Default DMZ Server	60
Change the Modem Router’s Device Name	61
Change the LAN TCP/IP Settings	61
Specify the IP Addresses That the Modem Router Assigns	62
Disable the DHCP Server Feature in the Modem Router	64
Manage LAN IP Addresses	64
Reserve an IP Address	64
Edit a Reserved IP Address Entry	65
Delete a Reserved IP Address Entry	66
Improve Network Connections With Universal Plug-N-Play	66
Use the WPS Wizard for WiFi Connections	67
Specify Basic WiFi Settings	68
Change the WiFi Security Option	70
Set Up a Guest Network	71
Control the WiFi Radios	72
Use the WiFi On/Off Button	72
Enable or Disable the WiFi Radios	72
Set Up a WiFi Schedule	73
Specify WPS Settings	74
8. Manage Your Network	76
Change the admin Password	77
Set Up Password Recovery	78
Recover the admin Password	78
View Modem Router Status	79
Display Internet Port Statistics	80
Check the Internet Connection Status	81
View Logs of Modem Router Activity	82
View Event Logs	83
Run the Ping Utility	84
Run the Traceroute Utility	85
Monitor Internet Traffic	86
View Devices Currently on the Network	88
Manage the Modem Router Configuration File	88
Back Up Settings	89
Restore Configuration Settings	89
Erase the Current Configuration Settings	90
View or Change the Modem Router WiFi Channel	90
Dynamic DNS	91
Specify a DNS Account	92
Change the Dynamic DNS Settings	93
Remote Management	93
9. Specify Internet Port Settings	96
Set Up Port Forwarding to a Local Server	97
Add a Custom Port Forwarding Service	98
Edit a Port Forwarding Service	99
Delete a Port Forwarding Entry	100
Application Example: Make a Local Web Server Public	100
How the Modem Router Implements the Port Forwarding Rule	100
Set Up Port Triggering	101
Add a Port Triggering Service	101
Application Example: Port Triggering for Internet Relay Chat	103
10. Troubleshooting	104
Troubleshoot With the LEDs	105
Power LED Is Off	105
LEDs Never Turn Off	105
Internet LED Is Off	105
Troubleshoot the Cable Internet Connection	105
Cannot Log In to the Modem Router	106
Changes Not Saved	107
WiFi Connectivity	107
Troubleshoot Your Network Using the Ping Utility	108
Test the LAN Path to Your Modem Router	108
Test the Path From Your Computer to a Remote Device	109
A. Supplemental Information	110
Factory Settings	111