Related Manuals for NETGEAR CG3300CMR
Summary of Contents for NETGEAR CG3300CMR
- Page 1 Wireless Cable Gateway CG3300CMR User M anua l 350 East Plumeria Drive San Jose, CA 95134 September 2012 202-11068-02 v1.0...
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Page 2: Technical Support
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. ... -
Page 3: Table Of Contents
Contents Chapter 1 Connect to the Gateway Gateway Front Panel ......... . 7 Gateway Rear Panel . - Page 4 Wireless Cable Gateway CG3300CMR Chapter 5 Administration View Gateway Status ......... 41 Router Information .
- Page 5 Wireless Cable Gateway CG3300CMR Appendix A Supplemental Information Factory Default Settings ........79 Technical Specifications .
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Page 6: Chapter 1 Connect To The Gateway
• Log In To Your Gateway • View the Gateway Home Screens • Add Wireless Devices or Computers to Your Network For more information about the topics that are covered in this Note: manual, visit the support website at support.netgear.com. -
Page 7: Gateway Front Panel
Wireless Cable Gateway CG3300CMR Gateway Front Panel Wireless On/Off Power Downstream Upstream Internet LAN (Ethernet) For optimal performance, place the gateway vertically in the stand. Note: Do not mount this unit to a wall; it is not suitable for wall mounting. - Page 8 Wireless Cable Gateway CG3300CMR 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. Description • Green. Power is supplied to the cable modem.
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Page 9: Gateway Rear Panel
Wireless Cable Gateway CG3300CMR Gateway Rear Panel Ethernet LAN ports Restore Factory Settings button Coaxial cable connector Power adapter input Power On/Off button The rear panel includes the following connections when viewed from top to bottom: Two Gigabit Ethernet LAN ports. Use these ports to connect local computers. -
Page 10: Power Supply Manufacturers And Models
Wireless Cable Gateway CG3300CMR Power Supply Manufacturers and Models Use only power supplies listed in the User Manual. Note: Adaptor of CWT • Manufacturer: Channel Well Technology Co Ltd Model: SAL018F2 Adaptor of PI • Manufacturer: PI Electronics (H.K.) Ltd.... -
Page 11: Log In To Your Gateway
Wireless Cable Gateway CG3300CMR Log In To Your Gateway You can log in to the gateway to view or change its settings. To connect to the gateway, use a computer that is configured for Note: DHCP (most computers are). For help with configuring DHCP, see the instructions that came with your computer. -
Page 12: View The Gateway Home Screens
Wireless Cable Gateway CG3300CMR View the Gateway Home Screens The gateway home screens include a Basic Home screen and an Advanced Home screen. Basic Home Screen When you connect to the gateway, the gateway dashboard (Basic Home screen) displays. Language... -
Page 13: Advanced Home Screen
Wireless Cable Gateway CG3300CMR Guest Network. Set up a guest network to allow visitors to use the Internet connection of • your gateway. Advanced tab. Set the gateway up for unique situations such as when remote access by • IP or by domain name from the Internet is needed. See Advanced Home Screen page 13. -
Page 14: Add Wireless Devices Or Computers To Your Network
Wireless Cable Gateway CG3300CMR Setup. Set up the Internet connection, wireless, guest network, WAN, and LAN. • Security. Block sites, block services, and set up email notifications. • Administration. View router status, logs, and event logs, back up and restore the •... -
Page 15: Chapter 2 Genie Basic Settings
genie Basic Settings You r I nternet c on n e ct ion a nd n et work This chapter explains the features available from the genie Basic Home screen that is shown in the following figure: This chapter contains the following sections: •... -
Page 16: Wireless
If you do NETGEAR recommends that you do not change your preset security settings. decide to change your preset security settings, make a note of the new settings and store it in a safe place. - Page 17 Wireless Cable Gateway CG3300CMR To view or change basic wireless settings: On the Basic Home screen, select Wireless to display the Wireless screen. The screen sections, settings, and procedures are explained in the following sections. Change what you need to, and click Apply to save your settings.
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Page 18: Wireless Screen Fields
Name (SSID). The SSID is also known as the wireless network name. Enter a • 32-character (maximum) name in this field. This field is case-sensitive. The default SSID is randomly generated, and NETGEAR strongly recommends that you do not change the SSID. Region. The location where the gateway is used. -
Page 19: Attached Devices
Wireless Cable Gateway CG3300CMR Attached Devices You can view all computers or devices that are currently connected to your network here. From the Basic Home screen, select Attached Devices to display the following screen: Wired devices are connected to the gateway with Ethernet cables. Wireless devices have joined the wireless network. -
Page 20: Guest Networks
Wireless Cable Gateway CG3300CMR Guest Networks You can add a guest network to allow visitors at your home to use the Internet without providing them with your wireless security key. To set up a guest network: Select Basic > Guest Network to display the following screen: Select any of the following wireless settings: Enable Guest Network. -
Page 21: Guest Network Wireless Security Options
This section presents an overview of the security options and provides guidance on when to use which option. It is also possible to set up a guest network without wireless security. NETGEAR does not recommend not using wireless security. Wi-Fi Protected Access (WPA) encryption is built into all hardware that has the Wi-Fi-certified seal. -
Page 22: Chapter 3 Genie Advanced Home
genie Advanced Home Sp ecif yi ng custom set ti ngs This chapter explains the features available from the genie Advanced Home screen that is shown in the following figure: This chapter contains the following sections: • Setup Menu • WAN Setup •... -
Page 23: Setup Menu
Wireless Cable Gateway CG3300CMR Administration. See • Chapter 5, Administration. Advanced Setup. See • Chapter 6, Advanced Settings. Setup Menu Select Advanced > Setup to display the Setup menu. The following selections are available: Internet Setup. See on page 24. -
Page 24: Internet Setup
Wireless Cable Gateway CG3300CMR Internet Setup The Internet Setup screen is where you view or change ISP information. To change the Internet settings: From the Advanced Home screen, select Setup > Internet. The following screen displays: Enter the settings for the IP address and DNS server. The default settings usually work fine. - Page 25 Wireless Cable Gateway CG3300CMR If you have a fixed (or static) IP address, your ISP has provided you with the required • information. Select Use Static IP Address and type the IP address, IP subnet mask, and gateway IP address in the correct fields.
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Page 26: Wan Setup
Wireless Cable Gateway CG3300CMR WAN Setup The WAN Setup screen lets you configure a DMZ (demilitarized zone) server, change the maximum transmit unit (MTU) size, and enable the gateway to respond to a ping on the WAN (Internet) port. ... -
Page 27: Default Dmz Server
(or “fragmented”) to accommodate the device that has the smallest MTU. The best MTU setting for NETGEAR equipment is often the default value, and changing the value often fixes one problem but causes another. Leave MTU size unchanged unless one of... -
Page 28: Lan Setup
Table 1. Common MTU sizes Application 1500 The largest Ethernet packet size and the default value. This size is the typical setting for non-PPPoE, non-VPN connections, and is the default value for NETGEAR gateways, adapters, and switches. 1492 Used in PPPoE environments. - Page 29 Wireless Cable Gateway CG3300CMR LAN IP address. 192.168.1.1 • Subnet mask. 255.255.255.0 • These addresses are part of the designated private address range for use in private networks and are suitable for most applications. If your network requires you to use a different IP addressing scheme, make those required changes in the LAN Setup screen.
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Page 30: Lan Setup Screen Settings
Wireless Cable Gateway CG3300CMR LAN Setup Screen Settings LAN TCP/IP Setup IP Address. The LAN IP address of the gateway. • IP Subnet Mask. The LAN subnet mask of the gateway. When combined with the IP • address, the IP subnet mask allows a device to know the following:... -
Page 31: Address Reservation
Wireless Cable Gateway CG3300CMR Primary DNS server (if you entered a primary DNS address in the Internet Setup screen; • otherwise, the LAN IP address of the gateway) Secondary DNS server (if you entered a secondary DNS address in the Internet Setup •... - Page 32 Wireless Cable Gateway CG3300CMR Type the MAC address of the computer or server. If the computer is already on your network, copy its MAC address from Tip: the Attached Devices screen and paste it here. Click Apply to enter the reserved address into the table.
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Page 33: Chapter 4 Security
Security Ke epi ng u nwante d c onte nt out of you r n et work This chapter explains how to prevent objectionable content from reaching the computers and other devices that are connected to your network. This chapter includes the following sections: •... -
Page 34: Keyword Blocking Of Http Traffic
Wireless Cable Gateway CG3300CMR Keyword Blocking of HTTP Traffic Use keyword blocking to prevent certain types of HTTP traffic from accessing your network. Select Advanced > Security > Block Sites to display the following screen: Select one of the keyword blocking options: Never. -
Page 35: Block Services (Port Filtering)
Wireless Cable Gateway CG3300CMR To specify a trusted computer: You can exempt one trusted computer from blocking and logging. The computer that you exempt has to have a fixed IP address. Select Allow trusted IP address to visit blocked sites. - Page 36 Wireless Cable Gateway CG3300CMR To block services: Select Advanced > Security > Block Services to display the following screen: Select one of the service blocking options: Never. Turn off service blocking. • Always. Turn on service blocking. • Security...
- Page 37 Wireless Cable Gateway CG3300CMR Click Add to add a service. The Block Services Setup screen displays: From the Service Type list, select the application or service to allow or block. The list already displays several common services, but you are not limited to these choices. To add any additional services or applications that do not already appear, select User Defined.
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Page 38: Security Event Email Notifications
Wireless Cable Gateway CG3300CMR Security Event Email Notifications To receive logs and alerts by email, provide your email information in the E-mail screen and specify which alerts you want to receive and how often. To set up email notifications: Select Advanced >... - Page 39 Wireless Cable Gateway CG3300CMR After the log is sent, the log is cleared from the memory of the gateway. If the gateway cannot email the log file, the log buffer fills up. In this case, the gateway overwrites the log and discards its contents.
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Page 40: Chapter 5 Administration
Administration M a nagi ng your net work This chapter describes the gateway settings for administering and maintaining your gateway and home network. This chapter includes the following sections: • View Gateway Status • View Logs of Web Access or Attempted Web Access •... -
Page 41: View Gateway Status
Wireless Cable Gateway CG3300CMR View Gateway Status To view gateway status and usage information: Select Advanced Home, or select Administration > Router Status to display the following screen: For a description of the Attached Devices menu item, see on page 19. -
Page 42: Router Information
Wireless Cable Gateway CG3300CMR Router Information The following settings are displayed: Hardware Version. The gateway model. Firmware Version. The version of the gateway firmware. It changes if you upgrade the gateway firmware. GUI Language Version. The localized language of the user interface. -
Page 43: Cable Network Information
WAN Default Gateway. WAN Primary DNS. The primary Domain Name Server address that the gateway uses. A Domain Name Server translates human-language URLs such as www.netgear.com into IP addresses. WAN Secondary DNS. The secondary Domain Name Server address that the gateway uses. - Page 44 Wireless Cable Gateway CG3300CMR Cable Connection Status To view the cable connection status: Click the Status button to see the Cable Connection screen. Use the Cable Connection screen to track the initialization procedure of the gateway, and to get details about the downstream and upstream cable channel. The time is displayed after the gateway is initialized.
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Page 45: Wireless Settings
Wireless Cable Gateway CG3300CMR Wireless Settings The following settings are displayed: Name (SSID). The wireless network name (SSID) that the gateway uses. Region. The geographic region where the gateway is being used. It is illegal to use the wireless features of the gateway in some parts of the world. -
Page 46: Guest Network
Wireless Cable Gateway CG3300CMR Guest Network The following settings are displayed: Name (SSID). The 11N wireless network name (SSID) that the gateway uses. The default name is NETGEAR_Guest_0. Wireless AP. Indicates whether the radio feature of the gateway is enabled. If this feature is not enabled, the Wireless LEDs on the front panel are off. -
Page 47: View Logs Of Web Access Or Attempted Web Access
Wireless Cable Gateway CG3300CMR View Logs of Web Access or Attempted Web Access The log is a detailed record of the websites you have accessed or attempted to access. Up to 256 entries are stored in the log. Log entries appear only when keyword blocking is enabled and no log entries are made for the trusted LAN client. -
Page 48: View Event Logs
Wireless Cable Gateway CG3300CMR To email the log immediately, click the Send Log button. To save your changes, click the Apply button. View Event Logs Event logs capture important gateway events. To view the event logs: Select Advanced > Administration > Event Logs. The Event Logs screen displays. -
Page 49: Manage The Configuration File
Wireless Cable Gateway CG3300CMR Manage the Configuration File The configuration settings of the wireless cable gateway are stored within the gateway in a configuration file. You can back up (save) this file to your computer, restore it, or reset it to the factory default settings. -
Page 50: Erase
Wireless Cable Gateway CG3300CMR When you have located the .cfg file, click the Restore button to upload the file to the gateway. Upon completion, the gateway reboots. WARNING: Do not interrupt the reboot process. Erase Under some circumstances (for example, if you move the gateway to a different network or if you have forgotten the password), you want to erase the configuration and restore the factory default settings. -
Page 51: Set Password
Wireless Cable Gateway CG3300CMR Set Password This feature allows you to change the default password that is used to log in to the gateway with the user name admin. This gateway password is not the same as the password for wireless access. The label on... -
Page 52: Chapter 6 Advanced Settings
Advanced Settings Fine -tuning your net work This chapter describes the advanced features of your gateway. The information requires a solid understanding of networking concepts and is for people who want to set up the gateway for unique situations such as when remote access from the Internet by IP or domain name is needed. -
Page 53: Advanced Wireless Settings
Wireless Cable Gateway CG3300CMR Advanced Wireless Settings To view the advanced wireless settings: Select Advanced > Advanced Setup > Advanced Wireless Settings to display the following screen: Advanced Wireless Settings The following settings are available on this part of the screen: Enable Wireless Router Radio. - Page 54 Transmit Power Control. With the default setting of 100%, the gateway uses the power • level that NETGEAR recommends for transmitting wireless packets. If you change this setting to a lower percentage, it saves power, but also reduces wireless coverage.
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Page 55: Wireless Card Access List
Wireless Cable Gateway CG3300CMR Wireless Card Access List By default, any wireless computer or device that is configured with the correct SSID is allowed access to your wireless network. For increased security, allow only specific wireless computers and devices to access the wireless network based on their MAC addresses. - Page 56 Wireless Cable Gateway CG3300CMR Click the Apply button to save changes and return to the Advanced Wireless Settings screen. Wireless Client Access List Setup To set up the access control list: Click the Add button on the Wireless Card Access List screen to display the Wireless Card Access Setup screen.
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Page 57: Nearby Wireless Access Points
On the Wireless Card Access Setup screen, click Apply to save changes and return to the Advanced Wireless Settings screen. Nearby Wireless Access Points Click the Scan With AP button to find access points that are near the CG3300CMR. The Nearby Wireless Access Points screen displays. Advanced Settings... -
Page 58: Services
Wireless Cable Gateway CG3300CMR Services To view the advanced wireless settings: Select Advanced > Advanced Setup > Services to display the following screen: Use the Services screen to disable certain gateway features. To disable a feature, clear the check box. -
Page 59: Port Forwarding And Port Triggering
Wireless Cable Gateway CG3300CMR Use Web Features to have the firewall block certain web-oriented cookies, Java scripts, and pop-up windows. Click the Apply button to save your settings. Port Forwarding and Port Triggering By default, the gateway blocks inbound traffic from the Internet to your computers except for replies to your outbound traffic. -
Page 60: Port Triggering To Open Incoming Ports
Wireless Cable Gateway CG3300CMR The source address is replaced with the public IP address of your gateway. This step • is necessary because your computer uses a private IP address that is not globally unique and cannot be used on the Internet. -
Page 61: Port Forwarding To Permit External Host Communications
Wireless Cable Gateway CG3300CMR also sends an “identify” message to your computer on port 113. Using port triggering, you can tell the gateway, “When you initiate a session with destination port 6667, you have to allow incoming traffic also on port 113 to reach the originating computer.” Using steps similar to the... - Page 62 Wireless Cable Gateway CG3300CMR A typical application of port forwarding can be shown by reversing the client-server relationship from the previous web server example. In this case, a browser on a remote computer accesses a web server running on a computer in your local network. Using port forwarding, you can tell the gateway, “When you receive incoming traffic on port 80 (the...
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Page 63: How Port Forwarding Differs From Port Triggering
Wireless Cable Gateway CG3300CMR How Port Forwarding Differs from Port Triggering The following points summarize the differences between port forwarding and port triggering: Port triggering is used by any computer on your network, although only one computer can • use it at a time. -
Page 64: Add A Custom Service
Wireless Cable Gateway CG3300CMR Select Advanced Setup > Port Forwarding/Port Triggering to display the following screen: Port Forwarding is selected as the service type. From the Service Name list, select the service or game that you host on your network. If the service does not appear in the list, see on page 64. -
Page 65: Edite Or Delete A Port Forwarding Entry
Wireless Cable Gateway CG3300CMR Click the Add Custom Service button to display the following screen: In the Service Name field, enter a descriptive name. In the Protocol list, select the protocol. If you are unsure, select TCP/UDP. In the Starting Port fields, enter the beginning port number. -
Page 66: Set Up Port Triggering
Wireless Cable Gateway CG3300CMR 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. - Page 67 Wireless Cable Gateway CG3300CMR ports. You can usually determine this information by contacting the publisher of the application or user groups or newsgroups. To set up port triggering: Select Advanced > Advanced Setup > Port Forwarding/Port Triggering. Select the Port Triggering radio button to display the port triggering information.
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Page 68: Dynamic Dns
Wireless Cable Gateway CG3300CMR Click Add Service to display the following screen: In the Service Name field, type a descriptive service name. No spaces are allowed for the service name field. In the Service User list, select Any (the default) to allow any computer on the Internet to use this service. - Page 69 Wireless Cable Gateway CG3300CMR address, you do not know in advance what your IP address is, and the address can change frequently. In this case, you can use a commercial Dynamic DNS service. This type of service lets you register your domain to their IP address and forwards traffic directed at your domain to your frequently changing IP address.
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Page 70: Cable Status
Wireless Cable Gateway CG3300CMR Select the name of your Dynamic DNS service provider. If your Dynamic DNS service provider is DynDNS.org, for example, select www.dyndns.org. Type the host name (or domain name) that your Dynamic DNS service provider gave you. - Page 71 Wireless Cable Gateway CG3300CMR To turn on Universal Plug and Play: Select Advanced > Advanced Setup > UPnP. The UPnP screen displays. Specify the following settings: Turn UPnP On. UPnP can be enabled or disabled for automatic device configuration.
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Page 72: Ipv6
Wireless Cable Gateway CG3300CMR UPnP Portmap Table. The UPnP Portmap Table displays the IP address of each UPnP device that is currently accessing the gateway and which ports (internal and external) that device has opened. The UPnP Portmap Table also displays what type of port is open and whether that port is still active for each IP address. -
Page 73: Nat
Wireless Cable Gateway CG3300CMR LAN MAC Address. The address of the gateway interface that is facing hosts on the subscriber side of the gateway. This interface derives its IPv6 provisioning using the IPv6 prefix that is supplied by the MSO provisioning server. -
Page 74: Chapter 7 Troubleshooting
Fin d a nd fix c om m on i s s u es This chapter gives information about troubleshooting your Wireless Cable Gateway CG3300CMR. For the common problems listed, go to the section indicated. Have I connected the gateway correctly? •... -
Page 75: Using Leds To Troubleshoot
Check that you are using the 12V DC power adapter from NETGEAR for this product. If the error persists, you have a hardware problem. Contact technical support. -
Page 76: Troubleshoot The Isp Connection
Wireless Cable Gateway CG3300CMR If the IP address of your computer is shown as 169.254.x.x: Note: Recent versions of Windows and Mac OS generate and assign an IP address when the computer cannot reach a DHCP server. These autogenerated addresses are in the range of 169.254.x.x. If your IP address is in this range, check the connection from the computer to the gateway and reboot your computer. -
Page 77: Test The Path From Your Computer To A Remote Device
Wireless Cable Gateway CG3300CMR To ping the gateway from a PC running Windows 95 or later: From the Windows toolbar, click the Start button and select Run. In the field that is provided, type ping and then the IP address of the gateway, as in this example: ping 192.168.1.1... -
Page 78: Wireless Performance And Gateway Location
2.4-GHz cordless phones. Away from large metal surfaces. • To reduce interference when using more than one access point, NETGEAR • recommends using 5 channel spacing between adjacent access points (for example, use Channels 1 and 6, or 6 and 11). -
Page 79: Factory Default Settings
Supplemental Information This appendix provides factory default settings and technical specifications for the Wireless Cable Gateway CG3300CMR. Factory Default Settings You can return the gateway to its factory settings. On the back panel of the gateway, press and hold the Restore Factory Settings button for over 7 seconds. The gateway resets and returns to the factory configuration settings shown in the following table. -
Page 80: Technical Specifications
Wireless Cable Gateway CG3300CMR Factory Default Settings (continued) Wireless Wireless communication Enabled SSID name As shown on the product label Security WPA/WPA2 The default WPA/WPA2 passphrase is as shown on the product label. Broadcast SSID Enabled Transmission speed Auto Country/region... - Page 81 Wireless Cable Gateway CG3300CMR Technical Specifications (continued) Interface Local: 10BASE-T, 100/1000BASE-Tx, RJ-45 802.11n/g/b Internet: DOCSIS 3.0. Downward compatible with DOCSIS 2.0, 1.1 and 1.0 Supplemental Information...
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Page 82: Regulatory Compliance Information
EDOC in Languages of the European Community Language Statement Cesky [Czech] NETGEAR Inc. tímto prohlašuje, že tento Radiolan je ve shode se základními požadavky a dalšími príslušnými ustanoveními smernice 1999/5/ES. Dansk [Danish] Undertegnede NETGEAR Inc. erklærer herved, at følgende udstyr Radiolan overholder de væsentlige krav og øvrige relevante krav i direktiv 1999/5/EF. - Page 83 Wireless Cable Gateway CG3300CMR 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. Ελληνική [Greek] ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ NETGEAR Inc. ∆ΗΛΩΝΕΙ ΟΤΙ Radiolan ΣΥΜΜΟΡΦΩΝΕΤΑΙ ΠΡΟΣ...
- Page 84 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 Gateway CG3300CMR complies with Part 15 Subpart B of FCC CFR47 Rules. Operation is subject...
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Page 85: Industry Canada
Canadian Department of Communications Radio Interference Regulations This digital apparatus (Wireless Cable Gateway CG3300CMR) 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 86 DMZ server gateway main menu Dynamic DNS port forwarding gateway rear panel port triggering genie, NETGEAR, settings user-defined services advanced CTS/RTS Threshold basic custom service (port forwarding) guest networks dashboard host, trusted data packets, fragmented...
- Page 87 Wireless Cable Gateway CG3300CMR Internet connection, setting up port filtering Internet Relay Chat (IRC) port forwarding Internet services, blocking access port numbers IP addresses port triggering auto-generated Preamble mode dynamic preset security reserved about passphrase keywords radio, wireless reserved IP adresses...
- Page 88 Wireless Cable Gateway CG3300CMR Universal Plug and Play (UPnP) user-defined services viewing logs router status WAN setup wireless channel wireless mode wireless network name (SSID) broadcasting described product label wireless network settings wireless radio wireless security options wireless settings WPA encryption...