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User ManualAC1200 WiFi Cable Modem RouterModel C6230January 24, 2020NETGEAR, Inc.350 E. Plumeria DriveSan Jose, CA 95134, USA
C6230 WiFi Cable Modem RouterSupportThank you for purchasing this NETGEAR product.You can visit https://www.netgear.com/support to register your product, get help, accessthe latest downloads and user manuals, and join our community. We recommend thatyou use only official NETGEAR support resources.Contact your Internet service provider for technical support.Trademarks NETGEAR, Inc. NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc.Any non-NETGEAR trademarks are used for reference purposes only.ComplianceFor regulatory compliance information including the EU Declaration of Conformity, visithttps://www.netgear.com/about/regulatory/.See the regulatory compliance document before connecting the power supply.Note to CATV system Installer- This reminder is provided to call the CATV systemsinstaller's attention to Section 820-93 of the National Electrical Code which provideguidelines for proper grounding and in particular, specify that Coaxial cable shield shallconnected to the grounding system of the building, as close to the point of cable entryas practical2
ContentsChapter 1 Hardware SetupFront Panel LEDs and Buttons.8Rear Panel.11Label.12System Requirements.12Position Your Cable Modem Router.13Install and Activate Your Cable Modem Router.14Set Up the Hardware.14Activate Your Internet Service.16Perform a Speed Test.17Connect Your Cable Modem Router to a Router After Installationand Activation.17Chapter 2 Connect to the Network and Access the Cable ModemRouterConnect to the Network.20Wired Connection.20Find and Select the Cable Modem Router WiFi Network.20Use WPS to Connect to the Cable Modem Router WiFiNetwork.20Types of Logins.21Log In to the Cable Modem Router.21Chapter 3 Specify Your Internet SettingsSpecify the Cable Connection Starting Frequency.24View Modem Router Initialization.24Manually Set Up the Internet Connection.25Chapter 4 Control Access to the InternetBlock Access to Your Network.28Use Keywords to Block Internet Sites.29Delete a Keyword.31Block Services From the Internet.31Schedule When to Block Internet Sites and Services.33Avoid Blocking on a Trusted Computer.33Set Up Security Event Email Notifications.343
C6230 WiFi Cable Modem RouterChapter 5 Share USB Devices Attached to the Cable Modem RouterUSB Storage Device Requirements.37Connect a USB Storage Device to the Cable Modem Router.37Access a USB Device Connected to the Cable Modem Router Froma Windows-Based Computer.38Map a USB Device to a Windows Network Drive.38Access a USB Storage Device That Is Connected to the CableModem Router From a Mac.39Control Access to the USB Storage Device.40Use FTP Within the Network.41View or Change Network Folders on a USB Storage Device.41Add a Network Folder on a USB Storage Device.42Edit a Network Folder on a USB Storage Device.43Approve USB Devices.44Access the USB Storage Device Through the Internet.45Set Up FTP Access Through the Internet.46Access the USB Storage Device Through the Internet With FTP.46Safely Remove a USB Storage Device.47Chapter 6 Share a USB PrinterInstall the Printer Driver and Cable the Printer.49Download the ReadySHARE Printer Utility.49Install the ReadySHARE Printer Utility.49Print Using the NETGEAR USB Control Center.50Chapter 7 Specify Network SettingsView or Change the WAN Settings.53Set Up a Default DMZ Server.54Change the Cable Modem Router’s Device Name.55Change the LAN TCP/IP Settings.55Specify the IP Addresses That the Cable Modem Router Assigns.56Disable the DHCP Server Feature in the Cable Modem Router.58Manage LAN IP Addresses.58Reserve an IP Address.59Edit a Reserved IP Address Entry.59Delete a Reserved IP Address Entry.60Improve Network Connections With Universal Plug-N-Play.61Use the WPS Wizard for WiFi Connections.62Specify Basic WiFi Settings.63Change the WiFi Security Option.64Set Up a Guest Network.65Control the WiFi Radios.66Use the WiFi On/Off Button.674
C6230 WiFi Cable Modem RouterEnable or Disable the WiFi Radios.67Specify WPS Settings.68Enable or Disable Router Mode.68Chapter 8 Manage Your NetworkChange the admin Password.71Set Up Password Recovery.71Recover the admin Password.72View Modem Router Status.73Display Internet Port Statistics.74Check the Internet Connection Status.75View Logs of Cable Modem Router Activity.76View Event Logs.76Run the Ping Utility.77Run the Traceroute Utility.78Monitor Internet Traffic.79View Devices Currently on the Network.80Manage the Cable Modem Router Configuration File.81Back Up Settings.82Restore Configuration Settings.82Erase the Current Configuration Settings.83View or Change the Cable Modem Router WiFi Channel.83Set Up and Manage Dynamic DNS.84Specify a DNS Account.85Change the Dynamic DNS Settings.85Remote Management.86Set Up Remote Management.86Use Remote Access.87Chapter 9 Specify Internet Port SettingsSet Up Port Forwarding to a Local Server.89Add a Custom Port Forwarding Service.90Edit a Port Forwarding Service.91Delete a Port Forwarding Entry.92Application Example: Make a Local Web Server Public.92How the Cable Modem Router Implements the Port ForwardingRule.93Set Up Port Triggering.93Add a Port Triggering Service.94Application Example: Port Triggering for Internet Relay Chat.95Chapter 10 TroubleshootingTroubleshoot With the LEDs.98Power LED Is Off.985
C6230 WiFi Cable Modem RouterLEDs Never Turn Off.98Internet LED Is Off.98Troubleshoot the Cable Internet Connection.99Cannot Log In to the Cable Modem Router.99Changes Not Saved.100WiFi Connectivity.100Troubleshoot Your Network Using the Ping Utility.101Test the LAN Path to Your Cable Modem Router.101Test the Path From Your Computer to a Remote Device.102Chapter 11 Supplemental InformationFactory Settings.105Technical Specifications.1066
1Hardware SetupThis chapter covers the following topics: Front Panel LEDs and ButtonsRear PanelLabelSystem RequirementsPosition Your Cable Modem RouterInstall and Activate Your Cable Modem RouterConnect Your Cable Modem Router to a Router After Installation and ActivationFor more information about the topics covered in this manual, visit the support websiteat support.netgear.com.7
C6230 WiFi Cable Modem RouterFront Panel LEDs and ButtonsYou can use the LEDs to verify status and connections.The following buttons are located on the front of the cable modem router:Table 1. Front panel buttonsButtonDescriptionThis button lets you use WPS to join the WiFi network without typing the WiFi password. The WPSLED blinks during this process and then lights solid.Hardware Setup8User Manual
C6230 WiFi Cable Modem RouterTable 1. Front panel buttons (Continued)ButtonDescriptionWPS buttonwith LEDWiFi On/Offbutton withLEDPressing this button for two seconds turns the WiFi radios in the modem router on and off. If thisLED is lit, the WiFi radios are on. If this LED is off, the WiFi radios are turned off and you cannot useWiFi to connect to the modem router.The following table lists and describes each LED on the front panel of the cable modemrouter.Table 2. LED descriptionsLEDDescriptionPower Solid green. Power is supplied to the cable modem router. Off. No power is supplied to the cable modem router. Solid red. Thermal cutoff mode. Power off the cable modem router, let it cool, and move it awayfrom heat sources (such as a TV, DVD player, or speakers).Downstream Solid green. Two or more downstream channels are locked. Blinking green. The cable modem router is scanning for a downstream channel. Off. No downstream channel is locked.Upstream Solid green. Two or more upstream channels are locked. Blinking green. The cable modem router is scanning for an upstream channel. Off. No upstream channel is locked.Online Solid green. The cable modem router is online. Blinking green. The cable modem router is synchronizing with the cable provider’s cable modemtermination system (CMTS). Off. The cable modem router is offline.Hardware Setup9User Manual
C6230 WiFi Cable Modem RouterTable 2. LED descriptions (Continued)LEDDescription2.4 GHzradio Solid green. The 2.4 GHz WiFi radio is operating. Blinking green. The router is sending or receiving WiFi traffic. Off. The 2.4 GHz WiFi radio is off.5 GHz radio Solid green. The 5 GHz WiFi radio is operating. Blinking green. The router is sending or receiving WiFi traffic. Off. The 5 GHz WiFi radio is off.Ethernet Solid green. A powered-on device is connected to the Ethernet port. Blinking green. The port
UserManual AC1200WiFiCableModemRouter ModelC6230 NETGEAR,Inc. January24,2020 350E.PlumeriaDrive SanJose,CA95134,USA
