DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual NETGEAR, Inc. 350 East Plumeria Drive San Jose, CA 95134 USA 202-10509-01 August 2009 v1.
© 2009 by NETGEAR, Inc. All rights reserved. Technical Support Please refer to the support information card that shipped with your product. By registering your product at http://www.netgear.com/register, we can provide you with faster expert technical support and timely notices of product and software upgrades. NETGEAR, INC. Support Information Phone: 1-888-NETGEAR, for US & Canada only. For other countries, see your Support information card. E-mail: support@netgear.
Regulatory Compliance Information This section includes user requirements for operating this product in accordance with National laws for usage of radio spectrum and operation of radio devices. Failure of the end-user to comply with the applicable requirements may result in unlawful operation and adverse action against the end-user by the applicable National regulatory authority. This product's firmware limits operation to only the channels allowed in a particular Region or Country.
Lietuvių [Lithuanian] Šiuo NETGEAR Inc. deklaruoja, kad šis Radiolan atitinka esminius reikalavimus ir kitas 1999/5/EB Direktyvos nuostatas. Nederlands [Dutch] Hierbij verklaart NETGEAR Inc. dat het toestel Radiolan in overeenstemming is met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EG. Malti [Maltese] Hawnhekk, NETGEAR Inc., jiddikjara li dan Radiolan jikkonforma mal-htigijiet essenzjali u ma provvedimenti ohrajn relevanti li hemm fid-Dirrettiva 1999/5/EC.
FCC Declaration Of Conformity We NETGEAR, Inc., 4500 Great America Parkway, Santa Clara, CA 95054, declare under our sole responsibility that the model DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received, including interference that may cause undesired operation.
Product and Publication Details Model Number: CGD24N v2 Publication Date: August 2009 Product Family: Gateway Product Name: DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 Home or Business Product: Business Language: English Publication Part Number: 202-10509-01 Publication Version Number: 1.0 vi v1.
Contents DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual About This Manual Conventions, Formats, and Scope ................................................................................... xi Revision History ............................................................................................................... xii Chapter 1 Connecting the Gateway to the Internet Package Contents ..........................................................................................................
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Configuring a Wireless Guest Network ..................................................................2-14 Chapter 3 Content Filtering and Firewall Rules Configuring Logs ............................................................................................................3-1 Blocking Site ...................................................................................................................3-2 Blocking Keywords and Domains .........
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Troubleshooting the ISP Connection ..............................................................................6-4 Troubleshooting a TCP/IP Network Using a Ping Utility .................................................6-4 Testing the LAN Path to Your Gateway ...................................................................6-4 Testing the Path from Your PC to a Remote Device ................................................
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual x Contents v1.
About This Manual The NETGEAR® DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual describes how to install, configure and troubleshoot the DOCSIS 2.0 Advanced Cable Gateway CGD24N v2. 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual • Scope. This manual is written for the Advanced Cable Gateway according to these specifications: Product Version DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 Manual Publication Date August 2009 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.
Chapter 1 Connecting the Gateway to the Internet This chapter describes how to set up the gateway on your Local Area Network (LAN), connect to the Internet, and perform basic configuration. For help with installation, see the Quick Installation Guide that shipped with your product Package Contents The product package contains the following items: • DOCSIS 2.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual You can use the LEDs to verify connections.The following table lists and describes each LED on the front panel of the Advanced Cable Gateway. Table 1-1. LED Descriptions LED Power Description • On: Power is supplied to the gateway. • Off: Power is not supplied to the gateway. Downstream Traffic • Blink: Data is being received from the cable interface. • Off: The cable interface is idle.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Gateway Rear Panel The rear panel of the gateway contains the connections identified below: Power adapter input 4 Ethernet LAN ports Restore Factory Settings Coaxial Cable Connector Figure 1-2 The rear panel of the gateway contains a WPS button. You can use the Wi-Fi Protected Setup (WPS) feature with clients on the network that are Wi-Fi certified and WPA capable.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Gateway Label The bottom label of the gateway contains its serial number and MAC address, as well as the gateway default login IP address, User Name and Password. Figure 1-4 What You Need Before You Begin Before you begin, make sure that you have the following: • A computer with an active Ethernet port with DHCP enabled. Note: For help with DHCP configuration, see the link to the online document “ITCP/ IP Networking Basics” in Appendix B.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Logging in to the Gateway Note: To connect to the gateway, your computer must be configured to obtain an IP address automatically via DHCP. For instructions on how to do this, see the link to the online document “Preparing Your Network” in Appendix B. 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Configuring the Basic Settings When you log in to the gateway the Basic Settings screen displays: Figure 1-6 1. Make sure that the Cable Network Settings are correct based on the information from your Internet Service Provider (ISP). By default, the Dynamic IP radio button is selected, which enables the gateway to automatically download the network configuration from your ISP.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Figure 1-7 2. For a Static IP, enter the following settings to enable the gateway to connect to the Internet: • Static IP Address. The fixed IP address that your ISP has assigned to you. • Static IP Mask. The network number portion of an IP address. Unless you are implementing subnetting, use 255.255.0.0 as the subnet mask. • Default Gateway. This is the ISP’s router to which your gateway will connect. • Primary DNS.
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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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Wireless Security Options Indoors, computers can connect over 802.11g 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual To view or manually configure the wireless settings: 1. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Setup, select Wireless Settings. If you make changes, you must click Apply for them to take effect Figure 2-1 2-4 Wireless Configuration v1.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table 2-1. Wireless Settings Settings Wireless Network Security Options 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual To configure WEP data encryption: 1. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Setup, select Wireless Settings. 3. By default, WEP is selected in the Security Options section of the screen. Figure 2-2 4.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual • Select which of the four keys will be the default. Data transmissions are always encrypted using the default key. The other keys can only be used to decrypt received data. The four entries are disabled if WPA-PSK or WPA authentication is selected. 6. Click Apply to save your settings. Configuring WPA or WPA2 Wireless Security Note: Newer wireless adapters support WPA.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual • WPA-PSK [TKIP] + WPA2-PSK [AES]. • WPA/WPA2 Enterprise. TKIP encryption type with authentication from a RADIUS server. The content displayed in the screen depends on the WPA setting that you selected. 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual • If your wireless network will include a combination of WPS capable devices and non-WPS capable devices, NETGEAR suggests that you set up your wireless network and security settings manually first, and use WPS only for adding additional WPS capable devices. See “Adding Both WPS and Non-WPS Clients” on page 2-13. A WPS client can be added using the Push Button method or the PIN method. • Using the Push Button. This is the preferred method.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 3. Either push the WPS button on the side of your gateway or click the onscreen button.The screen displays the progress as the gateway tries to communicate with the client for 2 minutes: Figure 2-5 While the gateway tries to establish a connection, you can stop the process by clicking Cancel. 4. Go to the client wireless computer, and run a WPS configuration utility. Follow the utility’s instructions to click a WPS button. 5.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual To use a PIN to add a WPS client: 1. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Setup, select Add WPS Client, and then click Next. Figure 2-6 3. Select the PIN (Personal Identification Number) radio button and then click Next. 4. Go to the client wireless computer. Run a WPS configuration utility. Follow the utility’s instructions to generate a PIN. Take note of the client PIN. 5.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Note: If no WPS-capable client devices are located during the 2-minute timeframe, the SSID will not be changed and no security will be implemented on the gateway. Connecting Additional Wireless Client Devices You can add more WPS clients to your wireless network, or you can add a combination of WPSenabled clients and clients without WPS.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual The settings that you configured in Step 2 are broadcast to the WPS devices so that they can connect to the gateway. Guest Networks A wireless guest network allows you to provide guests access to your wireless network without prior authorization of each individual guest. You can configure up to three wireless guest networks and specify the security options for each wireless guest network.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 4. Fill in the Name (SSID) field. You can enter a value of up to 32 alphanumeric characters. For the guest network, the same name must be assigned to all wireless devices in your network. The name is case-sensitive. For example, GuestNetwork is not the same as Guestnetwork. 5. At the bottom of the screen, click Apply to enable the selected guest network. 6. Configure wireless security for the guest network.
Chapter 3 Content Filtering This chapter describes how to use content filtering and firewall rules for the gateway. Note: Log in to the gateway using its default address of http://192.168.0.1 or at whatever IP address the unit is currently configured. To access the content filtering features you must log in to the gateway with the mso user name and its default password changeme, or whatever new password you have set up.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 2. Enter the following information: • Contact Email Address. Enter an e-mail address to which the logs will be sent. Use a full e-mail address (for example, ChrisXY@myISP.com). • SMTP Server Name. Enter the outgoing SMTP mail server of your ISP (for example, mail.myISP.com). If you leave this box blank, no alerts or logs will be sent. • Sender Email Address. Enter an e-mail address from which the logs will be sent.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Figure 3-2 2. 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.html is blocked. • If the keyword .
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual To remove a domain from the Domain List, select the domain, and then click Remove Domain. 4. Click Apply to save your settings. Blocking Services You can use the Services screen to control which services are enabled or disabled. To enable or disable certain gateway features and web features: 1. In the main menu, under Content Filtering, select Services. The Services screen displays. Figure 3-3 2. To enable a service, select its check box.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table 3-1. Services (continued) Settings Description Multicast When multicast is enabled, the gateway passes multicasting streams through the firewall. Web Features Filter Proxy Filter Cookies When enabled, these features are not blocked by the firewall. When disabled, these features are blocked by the firewall. You can enable or disable each of these features individually.
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Chapter 4 Managing Your Network This chapter describes how to perform network management tasks with your Advanced Cable Gateway. When you log in to the gateway, these tasks are grouped under Maintenance.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Figure 4-1 The Gateway Status screen fields are explained in the following table. Table 4-1. Gateway Status Fields Field Description Information Standard Specification Compliant The specification to which the gateway’s cable interface is compatible. Hardware Version The hardware version of the gateway. Software Version The software version of the gateway. Cable Modem MAC Address The MAC address used by the cable modem port of the gateway.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table 4-1. Gateway Status Fields (continued) Field Status Description System Up Time This is the time since the gateway has registered with your cable service provider. Network Access This field will change to Allowed when the registration with your cable service provider is complete. Device IP Address The IP address of you gateway, as seen from the Internet.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual The gateway automatically goes through the following steps in the provisioning process: 1. It acquires and locks the downstream channel 2. It acquires the upstream parameters and range. 3. It locks the upstream channel 4. It acquires the IP address through DHCP Changing the Built-In Passwords For security reasons, the gateway has its own user names and passwords.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 2. In the main menu, under Maintenance, select Set Password. The Set Password screen displays. Figure 4-3 3. To change the password, first enter the old password, and then enter the new password twice. 4. Click Apply to save your changes. Note: After changing the password, you will be required to log in again to continue the configuration.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual You can save a copy of the current configuration settings or restore the saved settings: • To save a copy of the current configuration settings, click Backup. • To restore the saved configuration settings from a backup file: a. Click Browse. b. Locate and select the previously saved backup file (by default, CGD24G-100NAS.cfg). c. Click Restore. A message notifies you when the gateway has been restored to previous settings.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Running the Ping Diagnostic Utility You can use the Diagnostics screen to test connectivity to a PC using the ping command. To start a ping test: 1. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Maintenance, select Diagnostics. The Diagnostics screen displays. Figure 4-6 3. Under Ping Test Parameters, enter the following settings: • Ping Target.
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DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Chapter 5 Customizing Your Network This chapter describes how to customize your network through the advanced settings on your Advanced Cable Gateway. When you log in to the gateway, these tasks are grouped under Advanced. Note: To access the MAC Filtering feature you must log in with the user name superuser. For all other advanced features you can log in with the user name admin.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Figure 5-1 For information about setting up an access list, see “Turning on Access Control to Restrict Access by MAC Address” on page 5-3. 3. If you make changes in this screen you must click Apply for them to take effect. Table 5-1.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table 5-1. Advanced Wireless Settings Advanced Wireless Settings Description Advanced Configuration • Fragmentation Threshold • CTS/RTS Threshold • Preamble Mode The default settings for these fields usually work fine. Change them only if you have a specific reason for doing so. WPS Settings Disable Router’s PIN Selecting this checkbox disables the PIN that WPS clients use to connect to the gateway with the PIN method.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 2. In the main menu, under Advanced, select Wireless Settings. Figure 5-2 3. Click the Setup Access List button to display the Wireless Card Access List screen. Note: If you are configuring the gateway from a wireless computer, make sure to add your computer’s MAC address to the Access List. Otherwise you will lose your wireless connection when you click Apply.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual • Enter the MAC address of the device to be added to the access list in the Add Access Filter fields. The MAC address can usually be found on the bottom of the wireless device. Then click Add. 5. Click Apply to save these settings. Now, only devices in the Access List table will be allowed to wirelessly connect to the gateway. Restricting Access by MAC Address By default, the gateway allows any connected PC to access the Internet through.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual The Trusted Devices table shows the PCs that are allowed access to the Internet through the gateway. Click Refresh to update the Trusted Devices table. 2. Select a device that will be added to the Add MAC Filter table through one of the following methods: • If the PC that you want to block appears in the Trusted Devices table, click the radio button for that PC to capture its MAC address in the Add MAC Filter table.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual You can use port blocking to block outbound traffic on specific ports. Note: Any outbound traffic that is not blocked by rules that you have created is allowed by the default rule. To configure port blocking and services to block specific outbound traffic: 1. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Advanced, select Port Blocking. The Port Blocking screen displays. Figure 5-4 3.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual – – – • TCP. Select TCP only. UDP. Select UDP only. Both. Select both TCP and UDP. Local IP Address. Enter the local IP address for the computer that is using the service. Note: To reset the selection in the Services pull-down menu and to clear all the fields in the Add Custom Rules table, click Reset. 5. Perform one of the following actions: • Click Add to save your settings.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 1. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Advanced, select Port Forwarding. The Port Forwarding screen displays. Figure 5-5 3. Under Choose Predefined Service, select a predefined service from the Services pull-down menu. (For example, FTP, which uses TCP ports 20 and 21.) 4.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Note: To reset the selection in the Services field and to clear all the fields in the Add Custom Rules table, click Reset. 5. Perform one of the following actions: • Click Add to save your settings. The Active Forwarding Rules table now displays the list of ports that are currently forwarded. • To delete a service, select the radio button in the Active Forwarding Rules table for the service that you want to delete, and then click Delete.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Once configured, port triggering operation is as follows: 1. A PC makes an outgoing connection using a port number defined in the Port Triggering table. 2. The gateway records this connection, opens the incoming port or ports associated with this entry in the Port Triggering List, and associates them with the PC. 3. The remote system receives the PCs request, and responds using a different port number. 4.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 3. 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. The trigger range consists of the range of outgoing ports that will be monitored to trigger the incoming port forwarding rule: – – • Target Range. The target range consists of the range of incoming ports that will be opened when triggered: – – • Start Port.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Figure 5-7 3. If you want the gateway to respond to a ping from the Internet, select the Respond to Ping on WAN check box. Responding to pings can be useful in a diagnostic situation. 4. Complete the DMZ IP address in the DMZ Address field to designate a PC that is available to anyone on the Internet for services that you have not defined. Because of security concerns, only do this if you are willing to risk open access.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 2. In the main menu, under Advanced, select LAN IP. The LAN IP screen displays. Figure 5-8 3. 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. • Subnet Mask. Enter the network number portion of an IP address. Unless you are implementing subnetting, use 255.255.255.0 as the subnet mask.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual • Starting IP Address. Complete the first of the contiguous addresses in the IP address pool. 192.168.0.10 is the default start address. • Ending IP Address. Complete the last of the contiguous addresses in the IP address pool. 192.168.0.19 is the default end address. 4. Click Apply to save your LAN IP settings.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Using Address Reservation When you specify a reserved IP address for a computer on the LAN, that computer always receives the same IP address each time it accesses the router’s DHCP server. Reserved IP addresses should be assigned to computers or servers that require permanent IP settings. 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: 1.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual 2. In the main menu, under Advanced, select Remote Management to display this screen: Figure 5-9 3. Select the Allow Remote Management check box. 4. Enter the following information: • Remote Password. Enter the user name that will be used from the remote PC to manage the gateway. This password is different from the password that you use to log into the gateway from your LAN.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 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. Log in to the gateway as described in “Logging in to the Gateway” on page 1-5. 2. In the main menu, under Advanced, select UPnP.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual The UPnP Portmap Table displays the IP address of each UPnP device that is currently accessing the router 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. 5. Perform one of the following actions: • Click Apply to save your settings. • Click Cancel to disregard any unsaved changes.
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Chapter 6 Troubleshooting This chapter gives information about troubleshooting your DOCSIS 2.0 Advanced Cable Gateway CGD24N v2. 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 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.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 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 Technical Specifications and Factory Default Settings This appendix provides technical specifications and default factory settings for the DOCSIS 2.0 Advanced Cable Gateway CGD24N v2. Technical Specifications Table A-1.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table A-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) 2.412~2.472 GHz (Japan) 2.412~2.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table A-2. Default Configuration Settings (continued) Feature Default Behavior Local Network (LAN) LAN IP 192.168.1.1 Subnet Mask 255.255.255.0 RIP direction None RIP version Disabled RIP authentication None DHCP server Enabled DHCP starting IP address 192.168.1.2 DHCP Ending IP Address 192.168.1.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual Table A-2. Default Configuration Settings (continued) Feature Default Behavior Wireless Wireless Communication Disabled SSID Name NETGEAR 802.11 Band 2.4 GHz 802.11 n-mode Auto 802.
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 Using Microsoft Vista and Windows XP to Manage Wireless Network Connections http://documentation.netgear.com/reference/enu/winzerocfg/index.htm ITCP/IP Networking Basics http://documentation.netgear.com/reference/enu/tcpip/index.htm Wireless Networking Basics http://documentation.netgear.
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Index A DNS primary and secondary server 1-7 adding reserved IP addresses 5-17 Downstream Traffic LED 1-2 B E backing up gateway configuration 4-5 e-mailing logs 3-1 backing up the configuration file 4-5 Basic Settings 1-7 Basic Settings screen 1-6 blocking keywords 3-2 PCs based on MAC address 5-5 services 3-4 sites 3-2 blocking ports 5-7 C cable channel 4-3 Cable Link LED 1-2 configuration backup 4-5 erasing 4-6 connection status 4-3 crossover cable 6-2 D default gateway field (Basic Settings)
DOCSIS 2.
DOCSIS 2.0 Advanced Cable Gateway CGD24N v2 User Manual RADIUS settings 2-8 WPA2-PSK 2-5, 2-8 WPA-PSK 2-5, 2-8 WPS button. 1-3 WPS Push ’N’ Connect 2-9, 2-13 Index-3 v1.
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