NETGEAR C6230 User Manual

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User Manual

AC1200 WiFi Cable Modem Router

Model C6230

	NETGEAR, Inc.
January 24, 2020	350 E. Plumeria Drive
	San Jose, CA 95134, USA

C6230 WiFi Cable Modem Router

Support

Thank you for purchasing this NETGEAR product.

Youcanvisithttps://www.netgear.com/supporttoregisteryourproduct,gethelp,access the latest downloads and user manuals, and join our community. We recommend that you 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.

Compliance

ForregulatorycomplianceinformationincludingtheEUDeclarationofConformity,visit https://www.netgear.com/about/regulatory/.

See the regulatory compliance document before connecting the power supply.

Note to CATV system InstallerThis reminder is provided to call the CATV systems installer's attention to Section 820-93 of the National Electrical Code which provide guidelinesforpropergroundingandinparticular,specifythatCoaxialcableshieldshall connected to the grounding system of the building, as close to the point of cable entry as practical

Chapter 1 Hardware Setup
Front Panel LEDs and Buttons.............................................................	8
Rear Panel............................................................................................	11
Label.....................................................................................................	12
System Requirements........................................................................	12
Position Your Cable Modem Router................................................	13
Install and Activate Your Cable Modem Router.............................	14
Set Up the Hardware.....................................................................	14
Activate Your Internet Service......................................................	16
Perform a Speed Test....................................................................	17
Connect Your Cable Modem Router to a Router After Installation
and Activation.....................................................................................	17

Chapter 2 Connect to the Network and Access the Cable Modem Router

Connect to the Network....................................................................	20
Wired Connection..........................................................................	20
Find and Select the Cable Modem Router WiFi Network.........	20
Use WPS to Connect to the Cable Modem Router WiFi
Network...........................................................................................	20
Types of Logins...................................................................................	21
Log In to the Cable Modem Router..................................................	21
Chapter 3 Specify Your Internet Settings
Specify the Cable Connection Starting Frequency........................	24
View Modem Router Initialization.....................................................	24
Manually Set Up the Internet Connection.......................................	25
Chapter 4 Control Access to the Internet
Block Access to Your Network..........................................................	28
Use Keywords to Block Internet Sites...............................................	29
Delete a Keyword...............................................................................	31
Block Services From the Internet......................................................	31
Schedule When to Block Internet Sites and Services.....................	33
Avoid Blocking on a Trusted Computer..........................................	33
Set Up Security Event Email Notifications.......................................	34

C6230 WiFi Cable Modem Router

Chapter5ShareUSBDevicesAttachedtotheCableModemRouter

USB Storage Device Requirements..................................................	37
Connect a USB Storage Device to the Cable Modem Router......	37
AccessaUSBDeviceConnectedtotheCableModemRouterFrom
a Windows-Based Computer............................................................	38
Map a USB Device to a Windows Network Drive...........................	38
Access a USB Storage Device That Is Connected to the Cable
Modem Router From a Mac..............................................................	39
Control Access to the USB Storage Device.....................................	40
Use FTP Within the Network.............................................................	41
View or Change Network Folders on a USB Storage Device........	41
Add a Network Folder on a USB Storage Device...........................	42
Edit a Network Folder on a USB Storage Device...........................	43
Approve USB Devices........................................................................	44
Access the USB Storage Device Through the Internet..................	45
Set Up FTP Access Through the Internet.........................................	46
Access the USB Storage Device Through the Internet With FTP...	46
Safely Remove a USB Storage Device..............................................	47
Chapter 6 Share a USB Printer
Install the Printer Driver and Cable the Printer...............................	49
Download the ReadySHARE Printer Utility......................................	49
Install the ReadySHARE Printer Utility..............................................	49
Print Using the NETGEAR USB Control Center...............................	50
Chapter 7 Specify Network Settings
View or Change the WAN Settings..................................................	53
Set Up a Default DMZ Server............................................................	54
Change the Cable Modem Router’s Device Name........................	55
Change the LAN TCP/IP Settings.....................................................	55
SpecifytheIPAddressesThattheCableModemRouterAssigns.56
Disable the DHCP Server Feature in the Cable Modem Router....	58
Manage LAN IP Addresses................................................................	58
Reserve an IP Address...................................................................	59
Edit a Reserved IP Address Entry.................................................	59
Delete a Reserved IP Address Entry............................................	60
Improve Network Connections With Universal Plug-N-Play.........	61
Use the WPS Wizard for WiFi Connections.....................................	62
Specify Basic WiFi Settings................................................................	63
Change the WiFi Security Option.....................................................	64
Set Up a Guest Network....................................................................	65
Control the WiFi Radios.....................................................................	66
Use the WiFi On/Off Button..........................................................	67

C6230 WiFi Cable Modem Router

Enable or Disable the WiFi Radios...............................................	67
Specify WPS Settings..........................................................................	68
Enable or Disable Router Mode.......................................................	68
Chapter 8 Manage Your Network
Change the admin Password............................................................	71
Set Up Password Recovery................................................................	71
Recover the admin Password............................................................	72
View Modem Router Status...............................................................	73
Display Internet Port Statistics...........................................................	74
Check the Internet Connection Status.............................................	75
View Logs of Cable Modem Router Activity....................................	76
View Event Logs..................................................................................	76
Run the Ping Utility.............................................................................	77
Run the Traceroute Utility..................................................................	78
Monitor Internet Traffic......................................................................	79
View Devices Currently on the Network..........................................	80
Manage the Cable Modem Router Configuration File..................	81
Back Up Settings............................................................................	82
Restore Configuration Settings....................................................	82
Erase the Current Configuration Settings...................................	83
View or Change the Cable Modem Router WiFi Channel.............	83
Set Up and Manage Dynamic DNS..................................................	84
Specify a DNS Account..................................................................	85
Change the Dynamic DNS Settings.............................................	85
Remote Management........................................................................	86
Set Up Remote Management.......................................................	86
Use Remote Access.......................................................................	87
Chapter 9 Specify Internet Port Settings
Set Up Port Forwarding to a Local Server.......................................	89
Add a Custom Port Forwarding Service..........................................	90
Edit a Port Forwarding Service.........................................................	91
Delete a Port Forwarding Entry........................................................	92
Application Example: Make a Local Web Server Public................	92
How the Cable Modem Router Implements the Port Forwarding
Rule.......................................................................................................	93
Set Up Port Triggering.......................................................................	93
Add a Port Triggering Service......................................................	94
Application Example: Port Triggering for Internet Relay Chat.95
Chapter 10 Troubleshooting
Troubleshoot With the LEDs.............................................................	98
Power LED Is Off............................................................................	98

C6230 WiFi Cable Modem Router

LEDs Never Turn Off......................................................................	98
Internet LED Is Off..........................................................................	98
Troubleshoot the Cable Internet Connection.................................	99
Cannot Log In to the Cable Modem Router....................................	99
Changes Not Saved.........................................................................	100
WiFi Connectivity..............................................................................	100
Troubleshoot Your Network Using the Ping Utility......................	101
Test the LAN Path to Your Cable Modem Router....................	101
Test the Path From Your Computer to a Remote Device.......	102
Chapter 11 Supplemental Information
Factory Settings................................................................................	105
Technical Specifications..................................................................	106

Hardware Setup

This chapter covers the following topics:

•Front Panel LEDs and Buttons

•Rear Panel

•Label

•System Requirements

•Position Your Cable Modem Router

•Install and Activate Your Cable Modem Router

•Connect Your Cable Modem Router to a Router After Installation and Activation

Formoreinformationaboutthetopicscoveredinthismanual,visitthesupportwebsite at support.netgear.com.

C6230 WiFi Cable Modem Router

Front Panel LEDs and Buttons

You 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 buttons

Button Description

This button lets you use WPS to join the WiFi network without typing the WiFi password. The WPS LED blinks during this process and then lights solid.

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Table 1. Front panel buttons (Continued)

Button Description

WPS button with LED

WiFi On/Off	Pressing this button for two seconds turns the WiFi radios in the modem router on and off. If this
button with	LED is lit, the WiFi radios are on. If this LED is off, the WiFi radios are turned off and you cannot use
LED	WiFi to connect to the modem router.

ThefollowingtablelistsanddescribeseachLEDonthefrontpanelofthecablemodem router.

Table 2. LED descriptions

LED	Description
Power	•	Solid green. Power is supplied to the cable modem router.
	•	Off. No power is supplied to the cable modem router.
	•	Solidred. Thermal cutoff mode. Power off the cable modem router, let it cool, and move it away
		from 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.
	•	Blinkinggreen.Thecablemodemrouterissynchronizingwiththecableprovider’scablemodem
		termination system (CMTS).
	•	Off. The cable modem router is offline.

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Table 2. LED descriptions (Continued)

LED	Description
2.4 GHz	•	Solid green. The 2.4 GHz WiFi radio is operating.
radio	•	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 is sending or receiving traffic.
	•	Off. No device is connected to this Ethernet port.
USB	•	Solid green. A USB device is connected and is ready.
	•	Off. No USB device is connected, or someone clicked the Safely Remove Hardware button and
		it is now safe to remove the attached USB device.

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Rear Panel

The connections and button on the rear panel are shown in the following figure.

Figure 1. Cable modem router rear panel

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Viewed from left to right, the back panel contains the following components:

•USB port. Use the USB port to connect a USB storage device to the cable modem router.

•Ethernetports1and2.TwoGigabitEthernetRJ-45LANportstoconnectthecable modem router to LAN devices.

•Resetbutton.PressingtheResetbuttonresetsthecablemodemrouter.IftheReset button is pressed for at least seven seconds and the Power LED blinks green, the cable modem router returns to its factory settings.

•Coaxialcableconnector.Useacoaxialcabletoconnectthecoaxialcableconnector to a cable wall outlet.

•DCpowerconnector.Connectthepoweradapterthatcameintheproductpackage to the DC power connector.

Label

The cable modem router label shows the login information, MAC address, and serial number.

Figure 2. Cable modem router label

System Requirements

You need the following to install your modem router:

•Compatible operating system:

-Windows® 7

-Windows 8

-Windows 10

-Windows Vista®

-Windows XP®

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-Windows 2000

-Mac OS®

-UNIX®

-Linux®

•Compatible web browser:

-Microsoft® Internet Explorer® 5.0 or higher

-Firefox® 2.0 or higher

-Safari® 1.4 or higher

-Google Chrome™ 11.0 or higher

•Cable broadband Internet service

Position Your Cable Modem Router

The cable modem router lets you access your network anywhere within the operating range of your WiFi network. However, the operating distance or range of your WiFi connection can vary significantly depending on the physical placement of your cable modem router. For example, the thickness and number of walls the WiFi signal passes through can limit the range.

Additionally,otherWiFiaccesspointsinandaroundyourhomemightaffectyourcable modemrouter’ssignal.WiFiaccesspointsarerouters,repeaters,WiFirangeextenders, and any other device that emits a WiFi signal for network access.

Position your cable modem router according to the following guidelines:

•Place your cable modem router near the center of the area where your computers and other devices operate, and within line of sight to your WiFi devices.

•Make sure that the cable modem router is within reach of an AC power outlet and near Ethernet cables for wired computers.

•Placethecablemodemrouterinanelevatedlocation,minimizingthenumberwalls and ceilings between the cable modem router and your other devices.

•Place the cable modem router away from electrical devices such as these:

-Ceiling fans

-Home security systems

-Microwaves

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C6230 WiFi Cable Modem Router

-Computers

-Base of a cordless phone

-2.4 GHz cordless phone

•Place the cable modem router away from large metal surfaces, large glass surfaces, and insulated walls, and items such as these:

-Solid metal doors

-Aluminum studs

-Fish tanks

-Mirrors

-Brick

-Concrete

Install and Activate Your Cable Modem

Router

ThecablemodemrouterprovidesaconnectionbetweenyourcableInternetprovider’s network and your computer, router, or WiFi router.

Set Up the Hardware

Duringtheinstallationandactivation,youmustconnectthecablemodemrouterdirectly toacomputer.Afterinstallationandactivation,youcanconnectthecablemodemrouter to a router.

Note: Before you connect your cable modem router and contact your cable Internet provider, collect your cable account number, account phone number, and login information (your email address or user name and password).

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C6230 WiFi Cable Modem Router

To set up your cable modem router:

1.Turn off and disconnect existing modems and routers.

If you are replacing a modem that is currently connected in your home, unplug the modem and plug the new cable modem router into the same outlet.

Note: Some cable Internet providers recommend connecting your cable modem router directly to a cable wall outlet.

2.Connect a coaxial cable.

Use a coaxial cable to connect the coaxial cable connector on the cable modem router to the cable wall outlet.

3.Connect the power adapter.

Connectthepoweradaptertothecablemodemrouterandplugthepoweradapter into an electrical outlet.

Thestartupproceduretakesaboutoneminute. Whenitiscomplete,thePowerLED lights solid green.

If the Power LED does not light, make sure that the Power On/Off button is in the On position.

4.Wait for the cable modem router to come online. This process might take up to three minutes.

Note: When the Online LED lights, your cable modem router is still not connected to the Internet. You must activate your cable modem router with your ISP.

5.Connect a computer or mobile device to the cable modem router with a WiFi or wired connection:

•WiFi. Use the WiFi network name and password on the cable modem router label.

•Wired. Use an Ethernet cable to connect a computer to an Ethernet port on the cable modem router.

6.Launch a web browser and set up your cable modem router.

Youareautomaticallyredirectedtothecablemodemrouterwebinterface. Ifyou’re not redirected, enter http://routerlogin.net or http://192.168.0.1 in the address field of the web browser.

Follow the prompts to set up your cable modem router.

7.Make sure that you can log in to the cable modem router web interface after the setup.

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C6230 WiFi Cable Modem Router

Inanewwebbrowserwindow,enterhttp://routerlogin.netorhttp://192.168.0.1 and then enter the cable modem router admin user name and password.

If the BASIC Home page displays, you are ready to activate your Internet service.

8.Activate your Internet service.

Even though an Internet connection is established, Internet service is available only after you set it up with your cable Internet provider. For information about how to activate your Internet service, see Activate Your Internet Service on page 16.

Activate Your Internet Service

Before you activate your Internet service, gather the following information:

•Your cable Internet provider account information

•Cable modem router model number, which is C6230

•Cable modem router serial number, which is on the cable modem router label

•Cable modem router MAC address, which is on the cable modem router label

Figure 3. Cable modem router label example

ThefollowingiscontactinformationforcableInternetprovidersthatsupportyourcable modem router.

Table 3. Cable Internet provider contact information

Cable Internet	Contact Information
Provider
CableVision	https://www.cableone.net/
	1-877-MY-CABLE (1-877-692-2253)
Cox	https://www.cox.com/activate
	1-888-556-1193
Mediacom	https://maestro.mediacomcc.com/walledgarden/page/login.jsp
	1-855-Mediacom (1-855-633-4226)

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Table 3. Cable Internet provider contact information (Continued)

Cable Internet	Contact Information
Provider
Optimum	https://install.optimum.com/JointInstall/
	1-877-810-6750
Spectrum	https://activate.spectrum.net/
	1-833-267-6094
Xfinity	https://xfinity.com/activate
	https://xfinity.com/Internetsetup
	1-800-XFINITY (1-800-934-6489)

Note: Your cable Internet provider’s contact information might change. You can find the contact information in your monthly Internet service billing statement.

To activate your Internet service:

1.Visit your cable Internet provider’s website and follow the onscreen instructions to activate your Internet service.

2.IfyouareunabletoactivateyourInternetserviceusingtheinstructionsonyourcable Internet provider’s website, call your cable Internet provider for support.

3.TodeterminetheaccurateInternetspeed,visityourcableInternetprovider'sspeed test website and perform a speed test. .

Ifyouractualspeedislowerthanyoursubscribedspeed,contactyourcableInternet

provider.

Perform a Speed Test

To determine the accurate Internet speed, visit the speed test website of your cable Internet provider and perform a speed test.

If your actual speed is lower than your subscribed speed, contact your cable Internet provider.

Connect Your Cable Modem Router to a Router After Installation and Activation

Duringtheinstallationandactivation,youmustconnectthecablemodemrouterdirectly toacomputer.Afterinstallationandactivation,youcanconnectthecablemodemrouter to a router.

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C6230 WiFi Cable Modem Router

If you want to connect your cable modem router to a router, you must disable router mode on the cable modem router. Disable router mode so that your cable modem router avoids conflicting with the other router on the network.

To disable router mode on your cable modem router:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Enter http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

The BASIC Home page displays.

4.Select ADVANCED > Administration > Router Mode. The Router Mode page displays.

5.Select the No radio button.

6.Click the Apply button. Your settings are saved.

7.Followtheinstructionsthatcamewithyourrouterorgatewaytoconnectyourcable modem router to a router.

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ConnecttotheNetworkandAccess

the Cable Modem Router

This chapter contains the following sections:

•Connect to the Network

•Types of Logins

•Log In to the Cable Modem Router

C6230 WiFi Cable Modem Router

Connect to the Network

You can connect to the cable modem router’s network through a wired or WiFi connection. If you set up your computer to use a static IP address, change the settings so that it uses Dynamic Host Configuration Protocol (DHCP).

Wired Connection

You can connect your computer to the cable modem router using an Ethernet cable and join the cable modem router’s local area network (LAN).

To connect your computer to the cable modem router with an Ethernet cable:

1.Make sure that the cable modem router is receiving power (its Power LED is lit).

2.Connect an Ethernet cable to an Ethernet port on your computer.

3.ConnecttheotherendoftheEthernetcabletooneofthenumberedEthernetports.

Your computer connects to the local area network (LAN). A message might display on your computer screen to notify you that an Ethernet cable is connected.

Find and Select the Cable Modem Router WiFi Network

To find and select the WiFi network:

1.Make sure that the cable modem router is receiving power (its Power LED is lit).

2.On your computer or mobile device, find and select the WiFi network. The WiFi network name is on the cable modem router label.

3.Join the WiFi network and enter the WiFi password. The password is on the cable modem router label.

Your computer or mobile device connects to the WiFi network.

Use WPS to Connect to the Cable Modem Router WiFi Network

YoucanconnectaWPS-enableddevicetothecablemodemrouter’sWiFinetworkwith

Wi-Fi Protected Setup (WPS).

To use WPS to connect to the WiFi network:

1.Make sure that the cable modem router is receiving power (its Power LED is lit).

2.Check the WPS instructions for your WPS-enabled device.

Connect to the Network and	20	User Manual
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C6230 WiFi Cable Modem Router

3.Press the WPS button on the cable modem router.

4.Within two minutes, on your WPS-enabled device, press its WPS button or follow its instructions for WPS connections.

Your WPS-enabled device connects to the WiFi network.

Types of Logins

Separate types of logins serve different purposes. It is important that you understand the difference so that you know which login to use when.

Types of logins:

•WiFi network key or password. Your cable modem router is preset with a unique WiFi network name (SSID) and password for WiFi access. This information is on the cable modem router label.

Note: Your cable modem router broadcasts dual-band 2.4 GHz and 5 GHz WiFi signals. The label shows the SSID for the 2.4 GHz signal. For information about 5 GHz WiFi settings, see Specify Basic WiFi Settings on page 63.

•Modem router login. This logs you in to the cable modem router web pages as admin from an Internet browser.

Log In to the Cable Modem Router

When you connect to the network (either with WiFi or with an Ethernet cable), you can use a web browser to access the cable modem router to view or change its settings. Thefirsttimeyouaccessthecablemodemrouter,thecablemodemrouterautomatically checks to see if it can connect to your Internet service.

To log in to the cable modem router:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Type http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

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C6230 WiFi Cable Modem Router

Note: The first time that you log in to the cable modem router, you are prompted to set the admin password and set up security questions. You must enter these settings before you can access the Internet.

The BASIC Home page displays the status of the Internet connection.

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Specify Your Internet Settings

Usually, the quickest way to set up the cable modem router to use your Internet connection is to allow the cable modem router to detect the Internet connection when youfirstaccessthecablemodemrouterwithanInternetbrowser.Youcanalsocustomize or specify your Internet settings.

This chapter contains the following sections:

•Specify the Cable Connection Starting Frequency

•View Modem Router Initialization

•Manually Set Up the Internet Connection

C6230 WiFi Cable Modem Router

Specify the Cable Connection Starting

Frequency

The starting frequency is automatically generated. For most Internet connections, you do not need to specify this information. If you must enter a starting frequency, contact your Internet provider.

To change the starting frequency:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Enter http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

The BASIC Home page displays.

4.Select Cable Connection.

The Cable Connection page displays the status of all downstream and upstream channels.

5.In the Starting Frequency field, enter a frequency.

6.Click the Apply button. Your settings are saved.

View Modem Router Initialization

You can track the initialization procedure of the cable modem router and get details about the downstream and upstream cable channel. The time is displayed after the cable modem router is initialized.

The cable modem router automatically goes through the following steps in the provisioning process:

1.Scansandlocksthedownstreamfrequencyandthenrangestheupstreamchannels.

2.Obtains a WAN address for the cable modem router.

3.Connects to the Internet.

Specify Your Internet Settings

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To view the status of the cable modem router initialization:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Enter http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

The BASIC Home page displays.

4.Select Cable Connection.

The Cable Connection page displays.

The Startup Procedure section displays the initialization progress. The page also displaysthestatusofalldownstreamandupstreamchannels. (Youmustscrolldown to view all the channels.) The number of downstream and upstream channels that are locked depends on the number of channels that your Internet provider uses.

Manually Set Up the Internet Connection

In most situations, you do not need to change these settings. We recommend that you use the default settings for DHCP because most cable Internet services provide the IP address through DHCP.

To specify the Internet connection settings:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Enter http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

The BASIC Home page displays.

4.Select ADVANCED > Setup > Internet. The Internet Setup page displays.

5.If your Internet connection requires an account name or host name, type it in the

Account Name (If Required) field.

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6.IfyourInternetconnectionrequiresadomainname,typeitinthe DomainName(If Required) field.

For the other sections in this page, the default settings usually work, but you can change them.

7.Select an Internet IP Address radio button:

•Get Dynamically from ISP. Your ISP uses DHCP to assign your IP address. Your ISP automatically assigns these addresses.

•UseStaticIPAddress. Enter the IP address, IP subnet mask, and the gateway IP address that your ISP assigned. The gateway is the ISP cable modem router to which your cable modem router connects.

8.Select a Domain Name Server (DNS) Address radio button:

•Get Automatically from ISP. Your ISP uses DHCP to assign your DNS servers. Your ISP automatically assigns this address.

•UseTheseDNSServers.IfyouknowthatyourISPrequiresspecificservers,select this option. Enter the IP address of your ISP’s primary DNS server. If a secondary DNS server address is available, enter it also.

9.Click the Apply button. Your settings are saved.

Specify Your Internet Settings

User Manual

Control Access to the Internet

The cable modem router comes with a built-in firewall that helps protect your home network from unwanted intrusions from the Internet.

This chapter includes the following sections:

•Block Access to Your Network

•Use Keywords to Block Internet Sites

•Block Services From the Internet

•Schedule When to Block Internet Sites and Services

•Avoid Blocking on a Trusted Computer

•Set Up Security Event Email Notifications

C6230 WiFi Cable Modem Router

Block Access to Your Network

You can use access control to block access to your network.

To set up access control:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Enter http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

The BASIC Home page displays.

4.Select ADVANCED > Security > Access Control. The Access Control page displays.

5.Select the Turn on Access Control check box.

You must select this check box before you can specify an access rule and use the Allow and Block buttons. When this check box is cleared, all devices are allowed to connect, even if the device is in the blocked list.

6.Select an access rule:

•Allow all new devices to connect. With this setting, if you buy a new device, it can access your network. You don’t need to enter its MAC address on this page. We recommend that you leave this radio button selected.

•Block all new devices from connecting. With this setting, if you buy a new device, before it can access your network, you must enter its MAC address for anEthernetconnectionanditsMACaddressforaWiFiconnectionintheallowed list.

The access rule does not affect previously blocked or allowed devices. It applies only to devices joining your network in the future after you apply these settings.

7.To allow the computer or device you’re currently using to continue to access the network, select the check box next to your computer or device, and click the Allow button.

8.Click the Apply button. Your settings are saved.

Control Access to the Internet

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C6230 WiFi Cable Modem Router

Use Keywords to Block Internet Sites

You can use keywords to block certain Internet sites from your network. You can use blocking all the time or based on a schedule.

To block Internet sites:

1.Launch a web browser from a computer or mobile device that is connected to the cable modem router network.

2.Enter http://routerlogin.net or http://192.168.0.1. A login window opens.

3.Enter the cable modem router admin user name and password.

The user name is admin. The password is the one that you specified the first time that you logged in. The user name and password are case-sensitive.

The BASIC Home page displays.

4.Select ADVANCED > Security > Block Sites. The Block Sites page displays.

5.Select a keyword blocking option:

•Never. Turn off keyword blocking.

•Per Schedule. Turn on keyword blocking according to a schedule that you set. (See Schedule When to Block Internet Sites and Services on page 33.)

•Always. Turn on keyword blocking all the time, independent of the Schedule page.

6.In the Type keyword or domain here field, enter a keyword or domain that you want to block.

For example:

•Specify XXX to block http://www.badstuff.com/xxx.html.

•Specify .com if you want to allow only sites with domain suffixes such as .edu or

.gov.

•Enter a period (.) to block all Internet browsing access.

7.Click the Add Keyword button.

Thekeywordisaddedtothekeywordlist.Thekeywordlistsupportsupto64entries.

8.Click the Apply button. Your settings are saved.

Control Access to the Internet

User Manual

C6230 WiFi Cable Modem Router

Control Access to the Internet

User Manual

+ 77 hidden pages

NETGEAR C6230 User Manual

Contents

Hardware Setup

Front Panel LEDs and Buttons

Rear Panel

Label

System Requirements

Position Your Cable Modem Router

Set Up the Hardware

Activate Your Internet Service

Perform a Speed Test

Connect Your Cable Modem Router to a Router After Installation and Activation

Connect to the Network

Wired Connection

Find and Select the Cable Modem Router WiFi Network

Use WPS to Connect to the Cable Modem Router WiFi Network

Types of Logins

Log In to the Cable Modem Router

Specify Your Internet Settings

View Modem Router Initialization

Manually Set Up the Internet Connection

Control Access to the Internet

Block Access to Your Network

Use Keywords to Block Internet Sites