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Summary of Contents for NETGEAR CG2003D
- Page 1 Wireless Cable Modem Gateway CG2003D User Manual 350 East Plumeria Drive San Jose, CA 95134 January 2011 202-10773-01 v1.0...
- Page 2 NETGEAR, Inc. Technical Support Thank you for choosing NETGEAR. To register your product, get the latest product updates, or get support online, visit us at http://support.netgear.com.
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Page 3: Table Of Contents
Contents Chapter 1 Connecting the Gateway to the Internet Unpack your Gateway ......... 5 Gateway Stand . - Page 4 Wireless Cable Modem Gateway CG2003D User Manual Chapter 4 Managing Your Network Gateway Status ..........33 Connection Status .
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Page 5: Chapter 1 Connecting The Gateway To The Internet
• Stand • If any parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the carton and original packing materials, in case you need to return the product for repair. Gateway Stand You can place the gateway vertically or horizontally. -
Page 6: Front Panel
Wireless Cable Modem Gateway CG2003D User Manual Front Panel The front panel of the Wireless Cable Modem Gateway contains status LEDs. button Figure 2. Front view You can use the LEDs to verify connections.The following table lists and describes each LED on the front panel of the gateway. -
Page 7: Rear Panel
Wireless Cable Modem Gateway CG2003D User Manual Rear Panel The rear panel of the gateway contains the connections identified below: coaxial cable 4 Ethernet LAN ports AC power adapter input Figure 3. Rear view Label The label on the bottom of the gateway shows the gateway’s factory reset button, its default wireless settings, MAC address, and serial number. -
Page 8: Cabling The Gateway
Wireless Cable Modem Gateway CG2003D User Manual Cabling the Gateway Using the coaxial cable provided by your cable company, connect the gateway cable port (A) to your cable line splitter or outlet. Figure 5. Gateway coaxial cable connection Use the Ethernet cable that shipped with your gateway to connect a LAN port (B) to the Ethernet adapter in your computer. -
Page 9: Log In To The Gateway
Wireless Cable Modem Gateway CG2003D User Manual Log in to the Gateway You can log in to the gateway to view or change its settings. You can use an Ethernet cable to connect the computer to the gateway, or you can connect wirelessly. -
Page 10: Basic Cable Network Settings
URL, your computer might need a minute or two to recognize the LAN connection. Relaunch your browser and try again. If you are having trouble accessing the gateway wirelessly, NETGEAR recommends that during setup you use an Ethernet cable to connect your computer so that you can log in to the gateway. -
Page 11: Chapter 2 Wireless Settings
For a wireless connection, you need to set up your wireless computer or device to use the gateway’s SSID, also called the wireless network name, and wireless security settings. NETGEAR strongly recommends that you use wireless security. This chapter includes: on this page •... -
Page 12: Security Basics
(PSK) encryption and 802.1x encryption for enterprises. Note that it is also possible to disable wireless security. NETGEAR does not recommend this. You can view or change the wireless security options in the Wireless Settings screen. See Wireless on page 14. -
Page 13: Add Clients (Computers Or Devices) To Your Network
WPA or WPA2 wireless security. The gateway automatically sets security for each computer or device that uses WPS to join the wireless network. To use WPS, make sure that your wireless devices are Wi-Fi certified and support WPS. NETGEAR products that use WPS call it Push 'N' Connect... -
Page 14: Wireless Settings Screen
Wireless Cable Modem Gateway CG2003D User Manual Gateway Interface Method Select Add WPS Client at the top of the gateway menus. Click Next. The following screen lets you select the method for adding the WPS client. WPS Push button method Select either Push Button or PIN Number. -
Page 15: Consider Every Device On Your Network
Wireless Cable Modem Gateway CG2003D User Manual Consider Every Device on Your Network Before you begin, check the following: Every wireless computer has to be set up to get an IP address by DHCP from the • gateway as described in on page 18. -
Page 16: Set Up Access Control By Mac Address
32-character (maximum) name in this field. This field is case-sensitive. The default SSID is randomly generated, and there is typically no need to change it. If you want to set up guest networks, NETGEAR does recommend that you customize the default guest network names (SSIDs). - Page 17 The primary network for your gateway is already set up with WPA2 and WPA security. NETGEAR recommends that you set up wireless security for each guest network that you plan to use.For information about changing these settings, see the following...
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Page 18: Change The Wpa Security Option And Pre-Shared Key
Wireless Cable Modem Gateway CG2003D User Manual Change the WPA Security Option and Pre-Shared Key In the Security Options section, select the WPA option that you want. Enter the pre-shared key that you want to use. The pre-shared key acts as a password to access your wireless network. -
Page 19: Set Wep Encryption And Passphrase
Wireless Cable Modem Gateway CG2003D User Manual Set WEP Encryption and Passphrase In the Security Options section of the Wireless Settings screen, select the WEP radio button that you want. Enter the four data encryption keys either manually or automatically. These values have to be identical on all computers and access points in your network. -
Page 20: Wireless Guest Networks
Select Setup > Wireless Guest Network. Select the guest network that you want to work with. NETGEAR strongly recommends that you change the SSID to a different name. Note • that the SSID is case-sensitive. For example, GuestNetwork is not the same as Guestnetwork. -
Page 21: Wireless Guest Network Screen Fields
Wireless Cable Modem Gateway CG2003D User Manual Wireless Guest Network Screen Fields Guest LAN Settings Current Guest Network. You can select a guest network from the drop-down list. • DHCP Server. Select whether or not the DHCP server is enabled for the currently •... - Page 22 Wireless Cable Modem Gateway CG2003D User Manual To configure WMM: Select Setup > Wi-Fi Multimedia. The Wi-Fi Multimedia (WMM) screen displays. Enter the following WMM settings: WMM Support. Select the WMM mode: • On. WMM is enabled Off. WMM is disabled.
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Page 23: Chapter 3 Content Filtering And Firewall Rules
Content Filtering and Firewall Rules This chapter describes how to use content filtering and firewall rules for the gateway. This chapter includes: on page 24 • Logs on page 25 • Block HTTP Traffic by Keywords or Domains on page 26 •... -
Page 24: Logs
Wireless Cable Modem Gateway CG2003D User Manual Logs To access this feature you have to log in to the gateway with the MSO user name and its default password changeme, or whatever new password you have set up. A log is a detailed record of the Denial of Service (DoS) attacks directed at your network. You can use e-mail notification to receive these logs in an e-mail message. -
Page 25: Block Http Traffic By Keywords Or Domains
Wireless Cable Modem Gateway CG2003D User Manual Block HTTP Traffic by Keywords or Domains Use keyword blocking to prevent certain types of HTTP traffic from accessing your network. Select Security > Block Sites.s In the Add Keyword field, enter a keyword and click Add Keyword. -
Page 26: Block Services
Wireless Cable Modem Gateway CG2003D User Manual Block Services To access this feature you have to log in to the gateway with the MSO user name and its default password changeme, or whatever new password you have set up. You can use the Services screen to control which services are enabled or disabled. To enable or disable certain gateway features and web features: Select Content Filtering >... -
Page 27: Port Forwarding And Port Blocking
Wireless Cable Modem Gateway CG2003D User Manual Port Forwarding and Port Blocking A firewall has two default rules, one for inbound traffic (WAN to LAN) and one for outbound traffic. Inbound Rules (Port Forwarding) • These rules restrict access from outsiders. The default rule is to block all access from outside except responses to requests from the LAN side. -
Page 28: Set Up Port Forwarding
Wireless Cable Modem Gateway CG2003D User Manual As an option, you can also specify a custom rule that is not in the list of predefined services by specifying the following settings in the Add Custom Service table: Name. Enter a name for the service. - Page 29 Wireless Cable Modem Gateway CG2003D User Manual To configure port forwarding and services for specific inbound traffic: Select Advanced > Port Forwarding. The Port Forwarding screen displays. Under Choose Predefined Service, select a predefined service from the Service field. (For example, FTP, which uses TCP ports 20 and 21.)
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Page 30: Set Up Port Triggering
Wireless Cable Modem Gateway CG2003D User Manual Considerations for Port Forwarding If the IP address of the local server PC is assigned by DHCP, it may change when the PC • is rebooted. To avoid this, you can assign a static IP address to your server outside the range that is assigned by DHCP, but in the same subnet as the rest of your LAN. - Page 31 Wireless Cable Modem Gateway CG2003D User Manual To set up port triggering: Select Advanced > Port Triggering. The Port Triggering screen displays. For each port trigger that you would like to enable, enter the following settings in the Port Trigger List and enable the port trigger: Trigger Range.
- Page 32 Managing Your Network This chapter describes how to perform network management tasks with your Wireless Cable Modem Gateway. When you log in to the gateway, these tasks are grouped under Maintenance. This chapter includes: on this page • Gateway Status on page 34 •...
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Page 33: Chapter 4 Managing Your Network
Wireless Cable Modem Gateway CG2003D User Manual Gateway Status Use the Gateway Status screen to see hardware and firmware details about the gateway and to see basic status information. Select Maintenance > Gateway Status. The Gateway Status screen displays. The Gateway Status screen fields are explained in the following sections. -
Page 34: Connection Status
NETGEAR recommends that you change these passwords be more secure. The ideal password should contain no dictionary words from any language, and should be a mixture of 34 | Chapter 4. -
Page 35: Reset To Factory Default Settings
Wireless Cable Modem Gateway CG2003D User Manual both upper and lower case letters, numbers, and symbols. Passwords can be up to 30 characters. To change a password: Select Maintenance > Set Password. The Set Password screen displays. To change the password, first enter the old password, and then enter the new password twice. -
Page 36: Back Up And Restore Your Settings
To restore the saved configuration settings from a backup file: a. Click Browse. b. Locate and select the previously saved backup file (by default, CG2003D.cfg). c. Click Restore. A message notifies you when the gateway has been restored to previous settings. Then, the gateway restarts, which takes about one minute. -
Page 37: Run The Diagnostic Ping Utility
Wireless Cable Modem Gateway CG2003D User Manual Select Maintenance > Event Log. The Event Log screen displays. To clear the log, click Clear Log; to refresh the log, click Refresh. You can enable email notification to receive these logs in an e-mail message. For information about email notifications, see on page 24. - Page 38 Wireless Cable Modem Gateway CG2003D User Manual No. of Pings. Enter the number of times you would like to ping the computer. • Ping Interval. Enter the time you would like to wait between the pings. • Click Start Test.To stop the test while in progress, click Abort Test.
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Page 39: Chapter 5 Advanced Settings
Advanced Settings This chapter describes how to customize your network through the advanced settings on your Wireless Cable Modem Gateway. When you log in to the gateway, these tasks are grouped under Advanced. This chapter includes: on page 40 • Dynamic DNS on page 41 •... -
Page 40: Dynamic Dns
Wireless Cable Modem Gateway CG2003D User Manual Dynamic DNS A dynamic DNS service provides a central public database where information (such as e-mail addresses, host names and IP addresses) can be stored and retrieved. The dynamic DNS server also stores password-protected information and accepts queries based on e-mail addresses. -
Page 41: Set Up A Dmz Host
Wireless Cable Modem Gateway CG2003D User Manual Set Up a DMZ Host You can use the DMZ Host screen to set the gateway to respond to a ping and specify a DMZ address. To configure a default DMZ host: Select Advanced > DMZ Host. The DMZ Host screen displays. - Page 42 Wireless Cable Modem Gateway CG2003D User Manual To view or change LAN IP settings: Select Advanced > LAN IP. The LAN IP screen displays. Enter the following LAN IP settings: LAN IP Address. Enter the LAN IP address that you would like to assign for your •...
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Page 43: Reserve An Ip Address For Dhcp Use
Wireless Cable Modem Gateway CG2003D User Manual Reserve an IP Address for DHCP Use To reserve an IP address for DHCP use, enter the DHCP server reservation settings for the private LAN under DHCP Reservation Lease Info in the LAN IP screen: Enter the MAC address of the PC for which you want to reserve an IP address. -
Page 44: Remote Management After A Reset
Wireless Cable Modem Gateway CG2003D User Manual Be sure to change the gateway’s remote management password to a very secure password before enabling remote management. The ideal password should contain no dictionary words from any language, and should be a mixture of letters (both upper and lower case), numbers, and symbols. -
Page 45: Universal Plug And Play (Upnp)
Wireless Cable Modem Gateway CG2003D User Manual Universal Plug and Play (UPnP) Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, access the network and connect to other devices as needed. UPnP devices can automatically discover the services from other registered UPnP devices on the network. -
Page 46: Chapter 6 Troubleshooting
Troubleshooting This chapter gives information about troubleshooting your gateway. NETGEAR provides helpful articles, documentation, and the latest Tip: software updates at http://www.netgear.com/support. This chapter includes: on page 47. • Using LEDs to Troubleshoot on page 48. • Cannot Log in to the Gateway on page 49. -
Page 47: Using Leds To Troubleshoot
Make sure that the power cord is properly connected to your gateway and that the power • supply adapter is properly connected to a functioning power outlet. Check that you are using the 12VDC power adapter supplied by NETGEAR for this • product. -
Page 48: Cannot Log In To The Gateway
Wireless Cable Modem Gateway CG2003D User Manual Cannot Log in to the Gateway If you are unable to access the gateway’s main menu from a computer on your local network, check the following: Check the Ethernet connection between the computer and the Gateway as described in •... -
Page 49: Troubleshooting The Internet Connection
Wireless Cable Modem Gateway CG2003D User Manual Troubleshooting the Internet Connection If your gateway is unable to access the Internet and your Cable Link LED is on, you may need to register the Cable MAC Address and/or Device MAC Address of you gateway with your cable service provider. -
Page 50: Test The Path From Your Pc To A Remote Device
Wireless Cable Modem Gateway CG2003D User Manual Verify that the Ethernet card driver software and TCP/IP software are both installed and configured on your PC or workstation. Verify that the IP address for your Gateway and your workstation are correct and that the addresses are on the same subnet. -
Page 51: Appendix A Technical Specifications And Factory Default Settings
Technical Specifications and Factory Default Settings This appendix provides technical specifications and default factory settings for the gateway. Technical Specifications Table 1. Technical Specifications Specification Description Network Protocol and Standards Compatibility Data and routing protocols • TCP/IP • DHCP server and client •... -
Page 52: Factory Default Settings
Wireless Cable Modem Gateway CG2003D User Manual Table 1. Technical Specifications (Continued) Specification Description Wireless Radio data rates 1, 2, 5.5, 6, 9, 12, 18, 24, 36, 48, 54, and 108 Mbps Auto Rate Sensing Frequency 2.4-2.5 GHz Operating frequency ranges 2.412~2.462 GHz (US) - Page 53 Wireless Cable Modem Gateway CG2003D User Manual Table 2. Default Configuration Settings (Continued) Feature Default Behavior Internet Connection WAN MAC address Use default hardware address WAN MTU size 1500 Wireless Wireless communication Enabled SSID name Wireless Security WEP (Wired Equivalent Privacy) 128-bit encryption...
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Page 54: Appendix B Related Documents
Related Documents This appendix provides links to reference documents you can use to gain a more complete understanding of the technologies used in your NETGEAR product. Table 1. Document Link Using Microsoft Vista and http://documentation.netgear.com/reference/enu/winzerocfg/index.htm Windows XP to Manage Wireless Network Connections ITCP/IP Networking Basics http://documentation.netgear.com/reference/enu/tcpip/index.htm... - Page 55 Wireless Cable Modem Gateway CG2003D User Manual Appendix B. Related Documents | 55...
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Page 56: Appendix C Notification Of Compliance
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FCC Declaration of Conformity We, NETGEAR, Inc., 350 East Plumeria Drive, San Jose, CA 95134, declare under our sole responsibility that the Wireless Cable Modem Gateway CG2003D complies with Part 15 Subpart B of FCC CFR47 Rules. Operation is... - Page 57 Canadian Department of Communications Radio Interference Regulations This digital apparatus, Wireless Cable Modem Gateway CG2003D, does not exceed the Class B limits for radio-noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications.
- Page 58 Directive 1999/5/EC. Español [Spanish] Por medio de la presente NETGEAR Inc. declara que el Radiolan cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999/5/CE.
- Page 59 Svenska [Swedish] överensstämmelse med de väsentliga egenskapskrav och övriga relevanta bestämmelser som framgår av direktiv 1999/5/EG. Hér með lýsir NETGEAR Inc. yfir því að Radiolan er í samræmi við Íslenska [Icelandic] grunnkröfur og aðrar kröfur, sem gerðar eru í tilskipun 1999/5/EC.
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Page 60: Index
Index Erase configuration Ethernet cable adapter, wireless factory default settings backing up the configuration file factory settings blocking resetting ports firewall rules services front panel blocking keywords, examples gateway cable channel backup cable line splitter diagnostics cable network settings event log coaxial cable factory default settings compliance... - Page 61 Wireless Cable Modem Gateway CG2003D User Manual security PIN serial number, product label MAC address sites, blocking location of SSID restrict access based on MAC address described MAC address, product label disable MAC addresses SSID, product label described restricting access by...