Wireless Cable Gateway CG3000D/CG3100D User Manual NETGEAR, Inc.
© 2009 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR and the NETGEAR logo are trademarks of NETGEAR, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other brand and product names are registered trademarks or trademarks of their respective holders.
radio spectrum – Article 3.2. Testing for radio test suites according to EN 300 328- 2 has been conducted. These are considered relevant and sufficient. Bestätigung des Herstellers/Importeurs Es wird hiermit bestätigt, daß das Wireless Cable Gateway gemäß der im BMPT-AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B. Testsender) kann jedoch gewissen Beschränkungen unterliegen.
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Contents About This Manual Conventions, Formats, and Scope ................................................................................... ix How to Print This Manual .................................................................................................. x Revision History ................................................................................................................. x Chapter 1 Connecting the Gateway Gateway Front Panel .....................................................
Wireless Cable Gateway CG3000D/CG3100D User Manual Blocking Keywords and Domains .............................................................................3-2 Services ..........................................................................................................................3-4 Port Forwarding ..............................................................................................................3-5 Adding a Custom Rule ................................................................
Wireless Cable Gateway CG3000D/CG3100D User Manual Appendix B Related Documents Index vii v1.
Wireless Cable Gateway CG3000D/CG3100D User Manual viii v1.
About This Manual The NETGEAR® Wireless Cable Modem Gateway CG3000D/CG3100D User Manual describes how to install, configure and troubleshoot the Wireless Cable Gateway . The information in this manual is intended for readers with intermediate computer and Internet skills. Conventions, Formats, and Scope The conventions, formats, and scope of this manual are described in the following paragraphs: • • Typographical Conventions.
Wireless Cable Gateway CG3000D/CG3100D User Manual For more information about network, Internet, firewall, and VPN technologies, see the links to the NETGEAR website in Appendix B, “Related Documents.” Note: Product updates are available on the NETGEAR, Inc. website at http://kbserver.netgear.com/products/CG3000D/CG3100D.asp. How to Print This Manual To print this manual, your computer must have the free Adobe Acrobat reader installed in order to view and print PDF files.
Chapter 1 Connecting the Gateway This chapter describes how to configure your Voice Gateway Internet connection. For information about product features and compatible NETGEAR products, see the NETGEAR website at http://www.netgear.com. Note: For optimal performance, place the gateway vertically in the stand. Do not wall mount this unit. It is not suitable for wall mounting. Gateway Front Panel The front panel of the gateway contains status LEDs.
Wireless Cable Gateway CG3000D/CG3100D User Manual Table 1-1. LED and Front Panel Button Descriptions (continued) LED Upstream Internet Description • Solid green. The unit is synchronized, and all four channels are in use (channel bonding). • Blinking. The unit is scanning for an upstream channel. • Off. No upstream channels are locked. • Solid green. The cable modem is online. • Blinking. The cable modem is synchronizing with the cable provider’s CMTS. • Off. The cable modem is offline.
Wireless Cable Gateway CG3000D/CG3100D User Manual Gateway Rear Panel The rear panel includes the following connections, viewed from left to right, as illustrated in the following illustration: Power On/Off button USB port Ethernet LAN ports Coaxial cable connector Power adapter input Figure 1-2 • Four Ethernet LAN ports: Use these ports to connect local computers. • USB port: The USB port is a USB host and can be used for connecting a USB hard drive, flash drive, or printer.
Wireless Cable Gateway CG3000D/CG3100D User Manual When you have logged in, if you do not click Logout, the gateway waits for 5 minutes after no activity before it automatically logs you out. To log in to the gateway: 1. Using the computer that you first used to access your cable modem Internet service, connect to the gateway by typing http://192.168.0.1 in the address field of your Internet browser. A login window displays: http://192.168.0.1 Figure 1-3 2.
Wireless Cable Gateway CG3000D/CG3100D User Manual Viewing the Basic Settings To view or configure the basic settings, select Basic Settings from the main menu: Figure 1-5 By default Dynamic IP is selected. If you make changes, you must click Apply to accept the new settings. Connecting the Gateway 1-5 v1.
Wireless Cable Gateway CG3000D/CG3100D User Manual MTA Status From the main menu select MTA Status to display the following screen: Figure 1-6 1-6 Connecting the Gateway v1.
Chapter 2 Wireless Configuration For a wireless connection, the SSID, also called the wireless network name, and the wireless security setting must be the same for the gateway and wireless computers or wireless adapters. NETGEAR strongly recommends that you use wireless security.
Wireless Cable Gateway CG3000D/CG3100D User Manual Note: NETGEAR’s Push 'N' Connect feature is based on the Wi-Fi Protected Setup (WPS) standard (for more information, see http://www.wi-fi.org). All other WiFi-certified and WPS-capable products should be compatible with NETGEAR products that implement Push 'N' Connect. To set up your wireless network using the WPS feature: – Use the WPS button on the side of the gateway (there is also an onscreen WPS button), or enter the PIN of the wireless device.
Wireless Cable Gateway CG3000D/CG3100D User Manual Wireless Security Options Indoors, computers can connect over 802.11n wireless networks at a maximum range of up to 300 feet. Such distances can allow for others outside your immediate area to access your network. Unlike wired network data, your wireless data transmissions can extend beyond your walls and can be received by anyone with a compatible adapter. For this reason, use the security features of your wireless equipment.
Wireless Cable Gateway CG3000D/CG3100D User Manual 2. In the main menu, under Setup, select Wireless Settings to display the following screen: Figure 2-1 3. If you make changes, you must click Apply for them to take effect. 2-4 Wireless Configuration v1.
Wireless Cable Gateway CG3000D/CG3100D User Manual Table 2-1. Wireless Settings Settings Wireless Network Wireless Access Point Description Name (SSID) The SSID is also known as the wireless network name. Enter a 32-character (maximum) name in this field. The characters are case sensitive. In a setting where there is more than one wireless network, different wireless network names provide a means for separating the traffic. Any device you want to participate in a wireless network must use the SSID.
Wireless Cable Gateway CG3000D/CG3100D User Manual Table 2-1. Wireless Settings (continued) Settings Wi-Fi Protected Setup (WPS) Description WPS Config To use WPS, you must enable WPS Config and click Apply. Device Name The default is NetgearAP. This identifies your gateway for client WPS devices that want to join the network. STA PIN The PIN is displayed so that you can use it to configure the gateway through WPS (Wi-Fi Protected Setup). It is also displayed on the gateway’s label.
Wireless Cable Gateway CG3000D/CG3100D User Manual Configuring WEP (Wired Equivalent Privacy) Wireless Security Note: If you use a wireless computer to configure wireless security settings, you will be disconnected when you click Apply. Reconfigure your wireless computer to match the new settings, or access the gateway from a wired computer to make further changes. To configure WEP data encryption: 1. Log in to the gateway as described in “Logging In to Your Gateway” on page 1-4. 2.
Wireless Cable Gateway CG3000D/CG3100D User Manual 5. Enter the WEP encryption key information: • WEP PassPhrase: To use a passphrase to automatically generate the keys, enter a passphrase and click Generate. Wireless stations must use the passphrase or keys to access the gateway. • Key 1 through Key 4: You can manually enter the four data encryption keys. These values must be identical on all computers and access points in your network.
Wireless Cable Gateway CG3000D/CG3100D User Manual 3. Select one of the WPA settings: Figure 2-3 • WPA-PSK. This setting provides the TKIP encryption type and a pre-shared key passphrase. • WPA2-PSK. This setting provides the AES encryption type and a pre-shared key passphrase. 4. Depending on the WPA settings that you select, enter the required information: For WPA-PSK or WPA2-PSK, enter the pre-shared key, which is a passphrase between 8 and 63 characters. 5. Click Apply to save your settings.
Wireless Cable Gateway CG3000D/CG3100D User Manual specified in the Wireless Settings screen and sets the wireless security settings to either WPA-PSK or WPA2-PSK and then and broadcasts these settings to the wireless client. Note: NETGEAR’s Push 'N' Connect feature based on the Wi-Fi Protected Setup (WPS) standard (for more information, see http://www.wi-fi.org). All other WiFi-certified and WPS-capable products should be compatible with NETGEAR products that implement Push 'N' Connect.
Wireless Cable Gateway CG3000D/CG3100D User Manual 2. In the main menu, select Wireless Settings. Scroll down to the WPS section of the screen: WPS automatically selects WPA-PSK if security is disabled. Figure 2-4 Note: WPS is incompatible with WEP security. If WEP is configured in the gateway then WPS cannot be enabled. 3. Select Enable in the WPS Config field and click Apply. 4. In the WPS Method field, select Push Button. 5. Click Start WPS or push the WPS button on the front panel of the gateway.
Wireless Cable Gateway CG3000D/CG3100D User Manual To access the Internet from any computer connected to your gateway, launch a browser such as Microsoft Internet Explorer or Mozilla Firefox. You should see the gateway’s Internet LED blink, indicating communication to the ISP. Using a PIN Entry to Add a WPS Client Any wireless computer or wireless adapter that will connect to the gateway wirelessly is a client.
Wireless Cable Gateway CG3000D/CG3100D User Manual Note: WPS is incompatible with WEP security. If WEP is configured in the gateway then WPS cannot be enabled. 3. Select Enable in the WPS Config field and click Apply. 4. In the WPS Method field, select PIN. 5. Write down the STA PIN number. 6. Go to the client wireless computer. Run a WPS configuration utility. Follow the utility’s instructions to enter the gateway STA PIN number. 7. On the Wireless Settings screen, click Start WPS.
Wireless Cable Gateway CG3000D/CG3100D User Manual Adding Both WPS and Non-WPS Clients For non-WPS clients, you cannot use the WPS setup procedures to add them to the wireless network. You must record, and then manually enter your security settings (see “Manually Configuring Your Wireless Settings and Security” on page 2-3). To connect a combination of non-WPS enabled and WPS-Enabled clients to the gateway: 1.
Chapter 3 Content Filtering This chapter describes how to use content filtering s for the gateway. This chapter includes: • • • • “Viewing or E-mailing Logs” “Blocking Keywords, Sites, and Services” on page 3-2 “Services” on page 3-4 “Port Forwarding” on page 3-5 Viewing or E-mailing Logs Your gateway logs security-related events such as Denial of Service (DoS) attacks, hacker probes, and administrator logins, according to your settings on this screen.
Wireless Cable Gateway CG3000D/CG3100D User Manual To e-mail logs: 1. Fill in the Contact Email Address and SMTP Server Name fields. 2. Select the Enable check box for E-mail Alerts. 3. Click Apply so that your changes take effect. 4. To e-mail the log now, click E-mail Log. To delete all log entries, click Clear Log. To see the most recent entries, click Refresh.
Wireless Cable Gateway CG3000D/CG3100D User Manual 2. In the main menu, under Content Filtering, select Block Sites. The Block Sites screen displays. Figure 3-2 3. To use keyword blocking, select the Keyword Blocking Enable check box. You can enter up to eight keywords. After you have entered a keyword in the field to the left of the Add Keyword button, click Add Keyword. The keyword will be shown in the Keyword List. Note the following: • If the keyword XXX is specified, the URL www.zzzyyqq.com/xxx.
Wireless Cable Gateway CG3000D/CG3100D User Manual If the domain www.zzzyyqq.com is specified, the URL is blocked, along with all other URLs in the www.zzzyyqq.com site. To remove a domain from the Domain List, select the domain, and then click Remove Domain. 5. Click Apply to save your settings. Services You can use the Services screen to disable certain gateway features. 1. Log in to the gateway as described in “Logging In to Your Gateway” on page 1-4. 2.
Wireless Cable Gateway CG3000D/CG3100D User Manual • • • • • PPTP Pass-Through. PPTP traffic is forwarded. If you clear this check box then this traffic will be blocked. Multicast. The gateway can pass multicasting streams through the firewall. Port Scan Detection. When enabled, the gateway can respond to Internet-based port scans. IP Flood Detection. Allows the is gateway to block malicious devices that are attempting to flood devices.
Wireless Cable Gateway CG3000D/CG3100D User Manual Figure 3-4 3. From the Service list, select the service or game that you will host on your network. If the service does not appear in the list, see the following section, “Adding a Custom Rule” on page 3-6.” 4. Click Add. The service appears in the list in the screen. Adding a Custom Rule To define rule that does not appear in the Service list, you must first determine which port number or range of numbers is used by the application.
Wireless Cable Gateway CG3000D/CG3100D User Manual 4. In the Local IP Address field, enter the IP address of your local computer that will provide this service. 5. Click Apply. The service appears in the list. Application Example: Making a Local Web Server Public If you host a Web server on your local network, you can use port forwarding to allow Web requests from anyone on the Internet to reach your Web server. To make a local Web server public: 1.
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Chapter 4 Managing Your Network This chapter describes how to perform network management tasks with your Voice Gateway. When you log in to the gateway, these tasks are grouped under Maintenance.
Wireless Cable Gateway CG3000D/CG3100D User Manual Figure 4-1 The Modem Status screen fields are explained in the following table. Table 4-1. Modem Status Fields Field Description Standard Specification Compliant DOCSIS 3.0 Hardware Version Software Version Cable MAC Address The MAC address used by the cable modem port of the gateway. This MAC address may need to be registered with your cable service provider. Cable Modem Serial number The serial number of the gateway hardware.
Wireless Cable Gateway CG3000D/CG3100D User Manual Viewing the Connection Status Use the Connection screen to track the gateway’s initialization procedure, and to get details about the downstream and upstream cable channel. The time is displayed after the gateway is initialized. Figure 4-2 Managing Your Network 4-3 v1.
Wireless Cable Gateway CG3000D/CG3100D User Manual The gateway automatically goes through the following steps in the provisioning process: • Scan and lock the downstream frequency, and then link back in upstream direction. • Obtain an IP address for the gateway itself. Then the gateway assigns an IP address for the connected PC. • Connect to the Internet. Backing Up and Restoring Your Settings The configuration settings of the gateway are stored in a configuration file in the gateway.
Wireless Cable Gateway CG3000D/CG3100D User Manual A message notifies you when the gateway has been restored to previous settings. Then, the gateway restarts, which takes about one minute. Note: When restoring configuration settings, do not interrupt the process by going online, turning off the gateway, or shutting down the computer. Changing the Built-In Password For security reasons, the gateway has its own user name and password.
Wireless Cable Gateway CG3000D/CG3100D User Manual 4. Click Apply to save your changes. Note: After changing the password, you will be required to log in again to continue the configuration. If you have backed up the gateway settings previously, you should do a new backup so that the saved settings file includes the new password. Running Diagnostic Utilities From the Diagnostics screen you can use Ping or Traceroute. To use diagnostics: 1.
Wireless Cable Gateway CG3000D/CG3100D User Manual Testing Connectivity with the Ping Command To start a ping test, enter the IP address in the Diagnostics screen, and click the Ping button. The Ping Results are displayed: Figure 4-6 Traceroute To start a Traceroute test: 1. In the Diagnostics screen, select Traceroute in the Utility field: Figure 4-7 Managing Your Network 4-7 v1.
Wireless Cable Gateway CG3000D/CG3100D User Manual 2. Fill in the fields: • Target. The IP address or host name of the computer you would like to trace. • Max Hops. Maximum number of hops to search for target. • Data Size. The size of the packet. • Base Port. The port number to send packet. • Resolve Host. Turn On or OFf to resolve the host name to IP address . 3. Click Start Test to begin the Traceroute. 4. Click the Refresh button to see the results.
Wireless Cable Gateway CG3000D/CG3100D User Manual Chapter 5 Customizing Your Network This chapter describes how to customize your network through the advanced settings on your gateway. When you log in to the gateway, these tasks are grouped under Advanced. This chapter includes: • • • • “DMZ Host” on page 5-1” “LAN IP Setup” on page 5-2 “Configuring Universal Plug and Play (UPnP)” on page 5-5 “NAT” on page 5-6 Note: For information about port forwarding, see “Firewall Rules” on page 3-5.
Wireless Cable Gateway CG3000D/CG3100D User Manual To set up a DMZ host: 1. In the main menu, under Advanced, select DMZ Host. The following screen displays: Figure 5-1 2. If desired, select the Respond to Ping on WAN Port check box. 3. Type the last digit(s) of the IP address in the DMZ Address field. 4. Click Apply. LAN IP Setup The LAN IP screen allows you to configure LAN services such as the IP address of the gateway and DHCP. The TCP/IP and DHCP default values work fine in most cases.
Wireless Cable Gateway CG3000D/CG3100D User Manual To configure LAN IP settings: 1. In the main menu, under Advanced, select LAN IP. The LAN IP screen displays. Figure 5-2 2. Enter the following LAN IP settings: • LAN IP Address. Enter the LAN IP address that you would like to assign for your gateway in dotted decimal notation. The factory default settings is 192.168.0.1. • IP Subnet Mask. Enter the network number portion of an IP address. Unless you are implementing subnetting, use 255.255.255.
Wireless Cable Gateway CG3000D/CG3100D User Manual • DHCP Server. The gateway is set up by default as a Dynamic Host Configuration Protocol (DHCP) server, which provides the TCP/IP configuration for all the computers that are connected to the gateway. You can change the default setting. – Yes. Select this settings to enable the DHCP server on the gateway and assign IP addresses to computers on your LAN automatically. – No.
Wireless Cable Gateway CG3000D/CG3100D User Manual Configuring 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. To configure UPnP: 1. In the main menu, under Advanced, select UPnP. The UPnP screen displays. Figure 5-3 2. Select the Turn UPnP On check box.
Wireless Cable Gateway CG3000D/CG3100D User Manual The UPnP Portmap Table displays the IP address of each UPnP device that is currently accessing the gateway and which internal and external ports of the gateway were opened by that device. The UPnP Portmap Table also displays the protocol for the port that was opened and if that port is still active for each IP address. 4. Perform one of the following actions: • Click Apply to save your settings. • Click Cancel to disregard any unsaved changes.
Chapter 6 Troubleshooting This chapter gives information about troubleshooting your Wireless Cable Gateway . For the common problems listed, go to the section indicated. Tip: NETGEAR provides helpful articles, documentation, and the latest software updates at http://www.netgear.com/support. • Have I connected the gateway correctly? Go to “Basic Functions” on page 6-1. • I cannot access the gateway configuration with my browser. Go to “Connecting to the Gateway’s Main Menu” on page 6-3.
Wireless Cable Gateway CG3000D/CG3100D User Manual Using LEDs to Troubleshoot The following table provides help when using the LEDs for troubleshooting. Table 6-1. Using LEDs to Troubleshoot LED Behavior Action All LEDS are off when the gateway Make sure that the power cord is properly connected to your gateway is plugged in. 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.
Wireless Cable Gateway CG3000D/CG3100D User Manual Connecting to the Gateway’s Main Menu 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 the previous section. • Make sure that your PC’s IP address is on the same subnet as the gateway. If you are using the recommended addressing scheme, your PC’s address should be in the range of 192.168.0.10 to 192.168.0.
Wireless Cable Gateway CG3000D/CG3100D User Manual Troubleshooting the ISP 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. Additionally, your PC may not have the gateway configured as its TCP/IP gateway. If your PC obtains its information from the gateway by DHCP, reboot the PC and verify the gateway address.
Wireless Cable Gateway CG3000D/CG3100D User Manual If the path is not working correctly, you could have one of the following problems: • • Wrong physical connections. – Make sure the LAN port LED is on. If the LED is off, see “Using LEDs to Troubleshoot” on page 6-2. – Check that the corresponding Link LEDs are on for your network interface card and for the hub ports (if any) that are connected to your workstation and gateway. Wrong network configuration.
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Appendix A Default Settings and Technical Specifications Factory Default Settings You can return the gateway to its factory settings. On the bottom of the gateway, press and hold the for over 7 seconds. The gateway resets, and returns to its Restore Factory Settings button factory settings. Your device will return to the factory configuration settings shown in the following table. Gateway Login User login URL http://192.168.1.
Wireless Cable Gateway CG3000D/CG3100D User Manual Wireless Wireless communication Enabled SSID name Wireless Security Disabled Broadcast SSID Enabled Transmission speed Autoa Country/region United States (varies by region) RF channel 6 Operating mode g and b Data rate Best Output power Full Access point Enabled Authentication type Open System Wireless card access list All wireless stations allowed a. Maximum Wireless signal rate derived from IEEE Standard 802.11 specifications.
Wireless Cable Gateway CG3000D/CG3100D User Manual Feature Description Environmental Specifications Operating temperature: 32140 F (0 to 40 C) Operating humidity: 90% maximum relative humidity, noncondensing Electromagnetic Emissions Meets requirements of: FCC Part 15 Class B Interface Specifications Local: 10BASE-T or 100BASE-Tx, RJ-45 USB 1.1 Function 802.11g and 802.11b Wireless Access Point Internet: DOCSIS 2.0. Downward compatible with DOCSIS 1.0 and DOCSIS 1.1.
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Appendix B 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. Document Link Windows XP and Vista Wireless Configuration Utilities http://documentation.netgear.com/reference/enu/winzerocfg/index.htm Internet Networking and TCP/IP Addressing http://documentation.netgear.com/reference/enu/tcpip/index.htm Wireless Communications http://documentation.netgear.
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Index Numerics G 192.168.0.
Wireless Cable Gateway CG3000D/CG3100D User Manual password, changing 4-5 Wireless Security Options 2-3 Ping 4-7 WPA 2-6, 2-9 ping utility 6-4 WPA2 2-6, 2-9 Push 'N' Connect 2-10 WPA2-PSK 2-6, 2-9 Push N Connect 2-9 WPA-PSK 2-6, 2-9 WPS 2-9, 2-10, 2-12, 2-14 S WPS button 1-2 security options 2-6 Services (firewall) 3-4 SSID 2-5 T TCP/IP network, troubleshooting 6-4 technical specifications A-2 Traceroute 4-7 troubleshooting 6-1 ISP connection 6-4 LEDs 6-2 ping utility 6-4 TCP/IP network 6-4 U
