NETGEAR CG3000D Bedienungsanleitung
350 East Plumeria Drive
San Jose, CA 95134
USA
April 2013
202-11278-01
DOCSIS 3.0 N450 Wi-Fi Data
Gateway CG3000D User Manual
2
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
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
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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.
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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.
Revision History
Publication Part Number Version Publish Date Comments
202-11278-01 v1.0 APRIL 2013 First publication
Table of Contents |3
Contents
Chapter 1 Connecting to the Internet
Gateway Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gateway Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Wireless Performance and Gateway Location . . . . . . . . . . . . . . . . . . . . . . 8
Log In to Your Gateway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
View Basic Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 2 Configuring Your Wireless Network
Set Up Your Wireless Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Configure Wireless Settings Manually. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Use Push 'N' Connect (WPS) Wireless Setup. . . . . . . . . . . . . . . . . . . . . . 14
Add a Client Using the WPS Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Add a Client Using a PIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Set Up Wi-Fi Multimedia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Change the Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Chapter 3 Filtering Content
View Denial of Service (DoS) Attack Logs . . . . . . . . . . . . . . . . . . . . . . . . 20
Limit Internet Site Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Allow Unrestricted Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Disable Gateway Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Chapter 4 Maintaining Your Network
View the Gateway Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
View the Connection Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Back Up and Restore Your Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
View the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Run the Diagnostic Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Ping Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Traceroute Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Chapter 5 Advanced Settings
Advanced Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
MAC Filtering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
IP Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Port Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
Port Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Port Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
DMZ Host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
LAN IP Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Reserve an IP Address for DHCP Use. . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Lan Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Configure Universal Plug and Play (UPnP) . . . . . . . . . . . . . . . . . . . . . . . .43
Set Networking Protocols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Enable Network Address Translation. . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Remove USB Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Chapter 6 Troubleshooting
Basic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Connect to the Gateway’s Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Troubleshoot the ISP Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Troubleshoot a TCP/IP Network Using a Ping Utility . . . . . . . . . . . . . . . . .48
Test the LAN Path to Your Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Test the Path from Your Computer to a Remote Device . . . . . . . . . . . .49
Appendix A Supplemental Information
Factory Default Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Appendix B Notification of Compliance
5
1
1. Connecting to the Internet
For help installing the gateway, see the DOCSIS 3.0 N450 Wi-Fi Data Gateway CG3000D
Installation Guide.
This chapter describes how to log in and monitor your gateway and includes these sections:
•Gateway Front Panel
•Gateway Rear Panel
•Wireless Performance and Gateway Location
•Log In to Your Gateway
•View Basic Settings
For information about product features and compatible NETGEAR products, visit the NETGEAR
website at http://www.netgear.com.
Connecting to the Internet
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NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
Gateway Front Panel
Figure 1. Gateway front view
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 gateway.
Table 1. LEDs and buttons
LED Description
Power
•Solid green. Power is supplied to the cable modem.
•Blinking. The modem is performing a power-on self-test.
•Red. The unit is performing a self-test, or the thermal cutoff circuit has been triggered.
•Off. The modem is not receiving power.
Downstream
•Blue. More than one downstream channel is locked.
•Green. One downstream channel is locked.
•Blinking green. The unit is scanning for a downstream channel.
•Off. No downstream channel is locked.
Connecting to the Internet
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NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
Upstream
•Blue. More than one upstream channel is locked.
•Solid. One upstream channel is locked.
•Blinking green. The unit is ranging on the upstream.
•Off. No downstream channel is locked.
Internet
•Solid green. The cable modem is online.
•Slow blink. The cable modem is receiving DHCP information.
•Fast blink. The cable modem is downloading configuration file.
•Off. The cable modem is offline.
LAN (Ethernet)
Green indicates 1,000 Mbps. Amber indicates 100/10 Mbps.
•Solid. An Ethernet device is connected and powered on.
•Blinking. Data is being transmitted or received on the Ethernet port.
•Off. No Ethernet device is detected on the Ethernet port.
Wireless
On/Off
•Solid green. The wireless card is plugged in and enabled.
•Blinking. There is traffic on the wireless card.
•Off. The wireless card is either disabled or not plugged in.
• To enable or disable the card, press this button for 3 seconds.
WPS
Pressing this button opens a 2-minute window for the gateway to connect with other
WPS-enabled devices. For more information, about using the WPS method to implement
security, see the Use Push 'N' Connect (WPS) Wireless Setup on page 14.
LED Description
Connecting to the Internet
8
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
Gateway Rear Panel
Ethernet LAN ports
Coaxial cable connector
USB port
Power adapter input
Reset button
Figure 2. Gateway rear panel
The rear panel includes the following connectors, viewed from left to right:
•Four Gigabit Ethernet LAN ports. To connect local computers, use these ports.
•USB port. The USB port is a USB host and can be used for connecting a USB hard drive,
flash drive, or printer.
•Reset.To set the gateway to the original factory settings, press and hold the Reset
button for over 7 seconds. See Factory Default Settings on page 52.
•Coaxial cable connector. Attach a coaxial cable to the cable service provider’s
connection.
•Power. Power adapter input.
Wireless Performance and Gateway Location
The range of your wireless connection can vary based on the physical placement of the
gateway. The latency, data throughput performance, and notebook power consumption of
wireless adapters also vary depending on your configuration choices.
For best results, place your gateway according to the following guidelines:
Connecting to the Internet
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NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
•Near the center of the area in which your computers operate.
•In an elevated location such as a high shelf where the wirelessly connected
computers have line-of-sight access (even if through walls).
•Away from sources of interference, such as computers, microwave ovens, and
2.4 GHz cordless phones.
•Away from large metal surfaces.
•To provide the best side-to-side coverage, put the gateway in a vertical position.
The time it takes to establish a wireless connection can vary depending on both your security
settings and the gateway location. WEP connections can take slightly longer to establish. Also,
WEP encryption can consume more battery power on a notebook computer.
Log In to Your Gateway
Log in to the gateway to view or change its settings.
Note: To connect to the gateway, use a computer configured for DHCP
(most computers are). For help with configuring DHCP, see the
instructions that came with your computer.
When you have logged in, if you do not click Logout, the gateway waits for activity for 5
minutes before it automatically logs you out.
To log in to the gateway:
1. On the computer that is connected to the gateway with an Ethernet cable, type
http://192.168.0.1 in the address field of your Internet browser.
A login window displays.
2. Log in with the user name admin and the default password, password.
Connecting to the Internet
10
NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway
When you connect to the gateway, the Modem Status screen displays.
View Basic Settings
The Basic Settings screen displays the Internet settings for the gateway.
To view or configure basic settings:
1. From the main menu, select Basic Settings.
2. Enter the Domain Name.
If your Internet service provider requires a Domain Name, type that name here.
3. Enter the Device Name.
This name is a friendly name representing the gateway in the network computers running
Windows Vista and the Network Explorer on all other Windows computers.
4. Click Apply.
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