PDF AC1600 WiFi Cable Modem Router

WiFi On/Off

WPS

AC1600 WiFi Cable Modem Router

Model C6250

User Manual

July 2015 202-11532-01

350 East Plumeria Drive San Jose, CA 95134 USA

AC1600 WiFi Cable Modem Router

Support

Thank you for selecting NETGEAR products. After installing your device, locate the serial number on the label of your product and use it to register your product at . You must register your product before you can use NETGEAR telephone support. NETGEAR recommends registering your product through the NETGEAR website. For product updates and web support, visit . Phone (US & Canada only): 1-888-NETGEAR. Phone (Other Countries): Check the list of phone numbers at .

Compliance

For regulatory compliance information, visit . See the regulatory compliance document before connecting the power supply.

Trademarks

? NETGEAR, Inc., NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc. Any non-NETGEAR trademarks are used for reference purposes only.

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Contents

Chapter 1 Hardware Overview and Setup

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Front Panel and Right Side Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Back Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Position Your Modem Router. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Cable Your Modem Router. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Cable the Modem Router in a Simple Network . . . . . . . . . . . . . . . . . . . . . . . . 14 Set Up Your Internet Service with Comcast Xfinity . . . . . . . . . . . . . . . . . . . . . . . 15

Use Self-Activation to Set Up Your Internet Connection . . . . . . . . . . . . . . . . 15 Call Comcast Xfinity to Set Up Your Internet Connection . . . . . . . . . . . . . . . 16 Visit the Comcast Xfinity Speed Test Website to Perform a Speed Test . . . 16 Cable the Modem Router to a Router and Use Bridge Mode . . . . . . . . . . . . . . . 16

Chapter 2 Connect to the Network and Access the Modem Router

Connect to the Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Connect to the Modem Router Through an Ethernet Cable. . . . . . . . . . . . . . 20 Join the WiFi Network of the Modem Router. . . . . . . . . . . . . . . . . . . . . . . . . . 20

Types of Logins and Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Product Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Access NETGEAR genie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Access the Modem Router with the NETGEAR genie App . . . . . . . . . . . . . . . . . . 24

Chapter 3 Customize the Internet Settings

View the Cable Initialization of the Modem Router . . . . . . . . . . . . . . . . . . . . . . . 26 Change the Cable Connection Starting Frequency . . . . . . . . . . . . . . . . . . . . . . . 27 View or Manually Set Up the IPv4 Internet Settings . . . . . . . . . . . . . . . . . . . . . . 29 Manage the MTU Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

MTU Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Change the MTU Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Chapter 4 Manage the Basic WiFi Network Settings

Manage the Basic WiFi Settings and WiFi Security of the Main Network. . . . . 34 View or Change the Basic WiFi Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Configure WPA/WPA2 Enterprise WiFi Security . . . . . . . . . . . . . . . . . . . . . . . 39 Configure WEP Legacy WiFi Security for the Main WiFi Network . . . . . . . . 41

Use the WPS Wizard to Add a Device to the WiFi Network . . . . . . . . . . . . . . . . 43 Use WPS with the Push Button Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Use WPS with the PIN Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

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AC1600 WiFi Cable Modem Router

Manage the Basic WiFi Settings and WiFi Security of the Guest Network . . . . 46 Set Up and Enable a Guest Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Configure WEP Legacy WiFi Security for the Guest WiFi Network. . . . . . . . 50

Chapter 5 Secure Your Network

Set Up Parental Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Allow or Block Access to Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Enable and Manage Network Access Control . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Manage Network Access Control Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Block Keywords and Domains for HTTP Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Set Up Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Remove a Keyword or Domain from the Blocked List. . . . . . . . . . . . . . . . . . . 65 Remove All Keywords and Domains from the Blocked List . . . . . . . . . . . . . . 66 Specify a Trusted Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Block Access to Services and Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Block a Default Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Add and Block a Custom Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Change the Settings for a Blocked Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Remove a Blocked Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Schedule When Security Features Are Active. . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Set Up a Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Change a Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Remove a Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Set Up Security Event Email Notification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Chapter 6 Manage the WAN and LAN Network Settings

Manage the WAN Security Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Set Up a Default DMZ Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Manage the SIP Application-Level Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Manage the Modem Router's LAN IP Address Settings. . . . . . . . . . . . . . . . . . . . 82 Manage IP Address Reservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Reserve an IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Change a Reserved IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Remove an IP Address Reservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Manage the IPv6 LAN Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Change the Modem Router's Device Name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Manage the Built-In DHCP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Manage the DHCP Server Address Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Manage Universal Plug and Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Chapter 7 Manage the Modem Router and Monitor Your Network

View the Status and Statistics of the Modem Router . . . . . . . . . . . . . . . . . . . . . 94 View the Cable Information and Internet Port and WiFi Status . . . . . . . . . . . 94 View the Traffic Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 View the Internet Port Connection Status and Release and Renew the Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

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AC1600 WiFi Cable Modem Router

View Devices Currently on the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 View WiFi Channels in Your Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 View WiFi Networks in Your Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 View and Manage the Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Change the Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Manage the Device Settings File of the Modem Router . . . . . . . . . . . . . . . . . . 109

Back Up the Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 Restore the Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Return the Modem Router to Its Factory Default Settings . . . . . . . . . . . . . . . . 111 Use the Reset Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Erase the Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Reboot the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Monitor and Meter Internet Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 Start the Traffic Meter Without Traffic Volume Restrictions . . . . . . . . . . . . 114 View the Traffic Statistics and Traffic Status . . . . . . . . . . . . . . . . . . . . . . . . . 115 Restrict Internet Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Unblock the Traffic Meter After the Traffic Limit Is Reached . . . . . . . . . . . 118 Manage the Modem Router Remotely . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Chapter 8 Share a Storage Device

USB Device Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Connect a USB Device to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Access a Storage Device Connected to the Modem Router . . . . . . . . . . . . . . . 123 Manage Access to a Storage Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 Enable FTP Access Within Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 View Network Folders on a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Add a Network Folder on a Storage Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 Change a Network Folder, Including Read and Write Access, on a USB Drive 130 Approve USB Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Safely Remove a USB Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Enable the Media Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Chapter 9 Share a USB Printer

Install the Printer Driver and Cable the Printer. . . . . . . . . . . . . . . . . . . . . . . . . . 137 Download the ReadySHARE Printer Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Install the ReadySHARE Printer Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Use the Shared Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 View or Change the Status of a Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Use the Scan Feature of a Multifunction USB Printer . . . . . . . . . . . . . . . . . . . . 141 Change NETGEAR USB Control Center Settings . . . . . . . . . . . . . . . . . . . . . . . . . 142

Change the NETGEAR USB Control Center Language . . . . . . . . . . . . . . . . . . 143 Specify the Time-Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Chapter 10 Access Storage Devices Through the Internet

Set Up and Manage Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Your Personal FTP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

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