Gateway CG3100, CG3000 Troubleshooting the ISP Connection, Testing the LAN Path to Your Gateway

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Wireless Cable Voice Gateway CG3000/CG3100 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. See the link to the online document “ITCP/IP Networking Basics” in Appendix B.

Troubleshooting a TCP/IP Network Using a Ping Utility

Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with an echo reply. Troubleshooting a TCP/IP network is made easier by using the ping utility in your PC or workstation.

Testing the LAN Path to Your Gateway

You can use ping to verify that the LAN path to your gateway is set up correctly. To ping the gateway from a PC running Windows 95 or later:

1.From the Windows toolbar, click on the Start button and select Run.

2.In the field provided, type Ping followed by the IP address of the gateway, as in this example: ping 192.168.0.1

3.Click OK.

You should see a message like this one:

Pinging <IP address> with 32 bytes of data

If the path is working, you see this message:

Reply from < IP address >: bytes=32 time=NN ms TTL=xxx

If the path is not working, you see this message:

Request timed out

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Troubleshooting

v1.0, July 2009

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Contents Wireless Cable Voice Gateway CG3000/CG3100 NETGEAR, IncTrademarks Bestätigung des Herstellers/Importeurs V1.0, July Contents Appendix a Default Settings and Technical Specifications Appendix B Related Documents Index Viii About This Manual Conventions, Formats, and ScopeHow to Print This Manual Revision HistoryGateway Front Panel Chapter Connecting the GatewayPackage Contents Button Description Gateway Rear Panel Logging In to Your GatewayHttp//192.168.0.1 Viewing the Basic Settings MTA Status Chapter Wireless Configuration Planning Your Wireless NetworkWireless Placement and Range Guidelines Manually Configuring Your Wireless Settings and Security Wireless Security OptionsV1.0, July Settings Description AutoApply STA PINConfiguring WEP Wired Equivalent Privacy Wireless Security Configuring WPA-PSK or WPA2-PSK Wireless Security V1.0, July Using a WPS Button to Add a WPS Client Click Start WPS or push Using a PIN Entry to Add a WPS Client Connecting Additional Wireless Client Devices Adding Just WPS ClientsAdding Both WPS and Non-WPS Clients Chapter Content Filtering Viewing or E-mailing LogsBlocking Keywords, Sites, and Services Blocking Keywords and DomainsV1.0, July Services Port Forwarding Configuring Port Forwarding to Local Servers Adding a Custom Rule Application Example Making a Local Web Server Public V1.0, July Chapter Managing Your Network Viewing the Modem StatusModem Status Fields Field DescriptionViewing the Connection Status Backing Up and Restoring Your Settings Changing the Built-In Password Running Diagnostic Utilities Testing Connectivity with the Ping Command TracerouteViewing the Event Log Chapter Customizing Your Network DMZ HostLAN IP Setup V1.0, July Reserving an IP Address for Dhcp Use Configuring Universal Plug and Play UPnP NAT Chapter Troubleshooting Basic FunctionsUsing LEDs to Troubleshoot LED Behavior ActionConnecting to the Gateway’s Main Menu Testing the LAN Path to Your Gateway Troubleshooting the ISP ConnectionTroubleshooting a TCP/IP Network Using a Ping Utility Testing the Path from Your PC to a Remote Device V1.0, July Appendix a Default Settings and Technical Specifications Factory Default SettingsPower Adapter Technical SpecificationsWireless Feature Description Environmental Specifications Interface SpecificationsV1.0, July Appendix B Related Documents Document LinkV1.0, July Index NumericsIndex-2

CG3000, CG3100 specifications

The Gateway CG3100 and CG3000 are prominent models in the realm of cable modems and gateway devices, designed to deliver high-speed internet connectivity and enhanced network performance for both home and business environments. These devices are equipped with cutting-edge technology to cater to the growing demands of bandwidth-intensive applications, online gaming, streaming, and multiple device connectivity.

One of the key features of the CG3100 is its DOCSIS 3.0 technology, which enables download speeds significantly faster than previous generations of cable modems. This technology allows for channel bonding, combining multiple channels to boost data transfer rates, making it ideal for users who require high-speed internet for activities such as 4K streaming or large file downloads.

The Gateway CG3000 is also built on DOCSIS 3.0 but distinguishes itself with its integrated Wi-Fi capabilities. With dual-band Wi-Fi support, it ensures reliable wireless connectivity over both 2.4GHz and 5GHz frequencies. This flexibility allows users to connect a range of devices without interference, optimizing performance depending on the requirements of the devices in use.

Both devices come with multiple Ethernet ports, enabling wired connections for devices such as game consoles, smart TVs, and computers, ensuring stable and high-speed connections that are essential for gaming and streaming. Additionally, they feature advanced security protocols to safeguard the user's network and connected devices from potential threats.

Another characteristic that sets the CG3100 and CG3000 apart is their user-friendly design. The installation process is straightforward, with guided setup that allows users to get online quickly. The devices also include an intuitive web interface for easy management of network settings and parental controls.

In summary, the Gateway CG3100 and CG3000 serve as efficient solutions for users seeking reliable, high-speed internet connectivity with robust wireless capabilities. With features like DOCSIS 3.0 support, dual-band Wi-Fi, multiple Ethernet ports, and strong security measures, these devices meet the demands of modern internet usage while providing ease of use and management. Whether for home or office applications, they continue to be relevant and competitive in today’s digital landscape.