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Netgear C3000 N300 Wifi Cable Modem Router User Manual

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    							350 East Plumeria Drive
    San Jose, CA 95134 
    USAAugust 2014
    202-11275-02
    N300 WiFi Cable Modem Router
    Model C3000
    User Manual 
    						
    							 
    2 N300 WiFi Cable Modem Router Model C3000 
    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 https://my.netgear.com. 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 http://support.netgear.com.
    Phone (US & Canada only): 1-888-NETGEAR.
    Phone (Other Countries): Check the list of phone numbers at http://support.netgear.com/general/contact/default.aspx.
    Compliance
    For regulatory compliance information, visit http://www.netgear.com/about/regulatory.
    See the regulatory compliance document before connecting the power supply.
    Trademarks
    NETGEAR, the NETGEAR logo, and Connect with Innovation are trademarks and/or registered trademarks of NETGEAR, Inc. 
    and/or its subsidiaries in the United States and/or other countries. Information is subject to change without notice. © NETGEAR, Inc. All rights reserved. 
    						
    							3
    Contents
    Chapter 1 Hardware Setup
    Unpack Your Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
    Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
    Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
    Position Your Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
    Cable Your Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
    Cable the Modem Router with a Simple Network . . . . . . . . . . . . . . . . . . . . . .  11
    Cable Your Modem Router to a Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
    Chapter 2 Connect to the Network and Access the Modem Router
    Connect to the Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
    Wired Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
    WiFi Connection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
    Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
    Types of Logins  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
    Log In to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
    Chapter 3 Specify Initial Settings
    Notify Your Internet Service Provider  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
    Specify the Cable Connection Starting Frequency  . . . . . . . . . . . . . . . . . . . . . . .  19
    View Modem Router Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
    Specify the Internet Connection Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
    Chapter 4 Control Access to the Internet
    Set Up Parental Controls  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
    Use Keywords to Block Internet Sites  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
    Block Services from the Internet  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
    Schedule When to Block Internet Sites and Services . . . . . . . . . . . . . . . . . . . . . .  30
    Avoid Blocking on a Trusted Computer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30
    Set Up Security Event Email Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  31
    Chapter 5 Share a USB Drive Attached to the Modem Router
    USB Drive Requirements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
    Access a USB Drive on the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
    Control Access to the USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  35
    Use FTP Within the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37
    View or Change Network Folders on a USB Drive  . . . . . . . . . . . . . . . . . . . . . . . .  38 
    						
    							 
    4 N300 WiFi Cable Modem Router Model C3000 
    Add a Network Folder on a USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39
    Edit a Network Folder on a USB Drive  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40
    Approve USB Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40
    Safely Remove a USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  42
    Chapter 6 Specify Network Settings
    View or Change WAN Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  44
    Change the MTU Size  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  45
    Set Up a Default DMZ Server  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  47
    Change the Modem Router’s Device Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  48
    Change the LAN TCP/IP Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  49
    Specify the IP Addresses That the Modem Router Assigns  . . . . . . . . . . . . . . . .  50
    Reserve LAN IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  51
    Use the WPS Wizard for WiFi Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  53
    Specify Basic WiFi Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
    Change the WiFi Security Option  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  56
    Set Up a WiFi Guest Network  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57
    Control the Wireless Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
    Use the WiFi On/Off Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
    Enable or Disable the Wireless Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  59
    Specify WPS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  60
    Set Up a Wireless Card Access List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  60
    Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  62
    Improve Network Connections with Universal Plug and Play . . . . . . . . . . . . . . .  63
    Chapter 7 Manage Your Network
    View Modem Router Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
    View Cable Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
    View Internet Port Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
    Show Statistics  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  69
    View Connection Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  70
    View Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  70
    View Guest Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  71
    Reboot the Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  72
    Change the Router Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  73
    View Logs of Modem Router Activity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  74
    View a Network Map  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
    Manage the Modem Router Configuration File. . . . . . . . . . . . . . . . . . . . . . . . . . .  76
    Back Up Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  76
    Restore Configuration Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  76
    Erase the Current Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  77
    Change the admin Password  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  77
    View Event Logs  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  78
    Run the Ping Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  79
    Run the Traceroute Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  80
    View Wireless Access Points in Your Area  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  81 
    						
    							 
    5  N300 WiFi Cable Modem Router Model C3000
    View or Change the Modem Router Wireless Channel  . . . . . . . . . . . . . . . . . . . .  82
    Remote Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  83
    Chapter 8 Specify Internet Port Settings
    Set Up Port Forwarding to a Local Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  87
    Add a Custom Port Forwarding Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  88
    Edit a Port Forwarding Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  89
    Delete a Port Forwarding Entry  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  90
    Application Example: Make a Local Web Server Public . . . . . . . . . . . . . . . . . .  90
    How the Modem Router Implements the Port Forwarding Rule . . . . . . . . . .  91
    Set Up Port Triggering  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  91
    Add a Port Triggering Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  92
    Specify When to Use Port Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  93
    Application Example: Port Triggering for Internet Relay Chat . . . . . . . . . . . .  94
    Chapter 9 Troubleshooting
    Use LEDs to Troubleshoot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  96
    Cannot Log In to the Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  96
    Troubleshoot the ISP Connection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  97
    Troubleshoot a TCP/IP Network Using a Ping Utility  . . . . . . . . . . . . . . . . . . . . . .  97
    Use Ping to Test the LAN Path to Your Gateway  . . . . . . . . . . . . . . . . . . . . . . .  98
    Use Ping to Test the Path from a Windows Computer to a Remote Device .  98
    Appendix A Supplemental Information
    Factory Default Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
    Technical Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 
    						
    							6
    1
    1.   Hardware Setup
    This chapter covers the following topics:
    •Unpack Your Modem Router 
    •Front Panel 
    •Rear Panel 
    •Position Your Modem Router 
    •Position Your Modem Router 
    •Cable Your Modem Router 
    For more information about the topics covered in this manual, visit the support website at 
    support.netgear.com. 
    						
    							Hardware Setup 7
     N300 WiFi Cable Modem Router Model C3000
    Unpack Your Modem Router
    Your package contains the following items.
    Power adapter
    Ethernet cable
    Modem router
    Figure 1. Package contents
    Front Panel
    The  modem router  has status LEDs and buttons on the front.
    Power LED
    Downstream LED Upstream LEDInternet LED
    WPS button / LED
    WiFi On/Off button
    2.4 GHz LED
    Ethernet LED USB LED
    Figure 2. Modem router front view 
    						
    							Hardware Setup 8
    N300 WiFi Cable Modem Router Model C3000 
    You can use the LEDs to verify status and connections. The following table lists and 
    describes each LED and button on the front panel of the modem router.
    Table 1.  Front panel LEDs and buttons
    LEDDescription
    WPS button with 
    LED  
    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. 
    WiFi On/Off  
    button with LED 
    Pressing this button for two seconds turns the WiFi radio in the modem r\
    outer on and off. If 
    this LED is lit, the WiFi radio is on. If this LED is off, the WiFi radio is turned off and you 
    cannot use WiFi to connect to the modem router.
    Power 
    •  Green. Power is supplied to the modem router.
    •  Off. No power is supplied to the modem router.
    Downstream 
    •  Solid green . One or more downstream channels are locked.
    •  Blinking green . 
     The unit is scanning for a downstream channel.
    •  Off. No downstream channel is locked. 
    Upstream 
    •  Solid green . One or more upstream channels are locked.
    •  Blinking green . 
     The unit is scanning for an upstream channel.
    •  Off. No upstream channel is locked.
    Internet 
    •  Solid green . The modem router is online.
    •  Blinking green . 
     The modem router is synchronizing with the cable provider’s cable 
    modem termination system (CMTS).
    •  Off. 
    The modem router is offline.
    2.4 GHz WiFi  
    • Green. The 2.4 GHz WiFi radio is on.
    •  Off. 
    The 2.4 GHz WiFi radio is off.
    Ethernet 
    •  Green. A  powered-on  device  is  connected  to  an  Ethernet  port.
    •  Off. No device is connected to an Ethernet port.
    USB 
    •  Green. A USB device is connected and is ready.
    •  Off. No USB device is connected. 
    						
    							Hardware Setup 9
     N300 WiFi Cable Modem Router Model C3000
    Rear Panel
    The rear panel has the connections and buttons shown the following figur\
    e.
    Power adapter input Gigabit Ethernet LAN ports
    Coaxial cable connector
    Power On/Off button USB port (optional)
    Figure 3. Modem router rear panel
    Position Your Modem Router
    The modem router lets you access your network anywhere within the operat\
    ing range of your 
    wireless network. However, the operating distance or range of your wireless connection can 
    vary significantly depending on the physical placement of your modem rou\
    ter. For example, 
    the thickness and number of walls the wireless signal passes through can\
     limit the range. 
    Additionally, other wireless access points in and around your home might affect your modem  router’
     s signal. Wireless access points are modem routers, repeaters, WiFi rang\
    e extenders, 
    or any other device that emits a wireless signal for network access.
    Position your modem router according to the following guidelines:
    • Place your modem router near the center of the area where your computers\
     and other 
    devices operate, and within line of sight to your wireless devices. 
    						
    							Hardware Setup 
    10 N300 WiFi Cable Modem Router Model C3000 
    •Make sure that the modem router is within reach of an AC power outlet and near Ethernet 
    cables for wired computers.
    •Place the modem router in an elevated location, minimizing the number walls and ceilings 
    between the modem router and your other devices.
    •Place the modem router away from electrical devices such as these:
    -Ceiling fans
    -Home security systems
    -Microwaves
    -Computers
    -Base of a cordless phone
    -2.4 GHz cordless phone
    •Place the modem router away from large metal surfaces, large glass surfaces, and 
    insulated walls such as these:
    -Solid metal door
    -Aluminum studs
    -Fish tanks
    -Mirrors
    -Brick
    -Concrete
    •(Optional) If you have adjacent access points, use different radio frequency channels to 
    reduce interference.
    Cable Your Modem Router
    The most common way to cable your modem router is the simplest, without any other routers 
    or gateways on the same network. You can also cable the modem router to another router or 
    gateway and log in to the modem router to specify this setting. 
    						
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