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NETGEAR CG3000 User Manual

NETGEAR CG3000
53 pages
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350 East Plumeria Drive
San Jose, CA 95134
USA
April 2011
202-10842-01
v1.0
Wireless Cable Gateway
CG3000
User Manual

Table of Contents

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NETGEAR CG3000 Specifications

General IconGeneral
BrandNETGEAR
ModelCG3000
CategoryGateway
LanguageEnglish

Summary

Connect to the Internet

Gateway Front Panel

Describes the LEDs and buttons on the front panel of the gateway for status and connection verification.

Gateway Rear Panel

Details the various connections available on the rear panel of the gateway, including ports and inputs.

Install the Voice Gateway

Outlines the four-step process for installing the voice gateway, referencing subsequent sections.

Check the Installation Requirements

Lists the necessary prerequisites, including computer setup and cabling, before installing the gateway.

Cable the Gateway

Provides step-by-step instructions for physically connecting the gateway to a computer via Ethernet.

Log In to Your Gateway

Guides users on how to access the gateway's configuration interface via a web browser using default credentials.

Connect to the Internet and VoIP

Explains how to establish an internet connection and set up VoIP services, connecting phone lines.

View the Gateway Status

Shows how to view network configuration and status information for the gateway's internet connection.

Wireless Configuration

Set Up Your Wireless Network

Explains how to set up the wireless network, either manually or using WPS, for device connectivity.

Manually Configure The Wireless Settings

Details how to manually configure wireless network settings, including SSID and security options.

WPA or WPA2 Wireless Security

Configures wireless security using WPA or WPA2 protocols, specifying the Network Key (passphrase).

WEP Security

Explains how to configure WEP security, including encryption strength and passphrase or key settings.

Push 'N' Connect (WPS) Wireless Setup

Guides users through setting up wireless connections using the WPS button or PIN method for automatic configuration.

Content Filtering

View or Email Logs

Describes how to view security logs and configure email alerts for events, specifying contact and SMTP server details.

Block Keywords and Domains

Explains how to block specific keywords within URLs or entire domain names from web access for content control.

Services

Allows disabling or enabling gateway features like Firewall, IPSec, PPTP, and various web-oriented services.

Manage Your Network

Gateway Status

Displays hardware, firmware, and basic status information about the gateway, including network configuration details.

MTA Status

Shows the status of voice ports, including provision status, MAC address, IP address, and telephony signaling.

Signal Status

Tracks the gateway's initialization procedure and provides details on downstream and upstream cable channel status.

Change Password

Guides users on how to change the default gateway login password for enhanced security.

Back Up and Restore Your Settings

Explains how to save and restore gateway configuration settings using a backup file for data preservation.

Event Log

Logs security-related events such as denied incoming service requests and hacker probes.

Diagnostic Ping Utility

Provides a tool to test network connectivity by sending ping requests to specified targets.

Advanced Settings

Wireless Settings

Configures advanced wireless radio settings, SSID broadcast, fragmentation threshold, and access control.

Access Control by MAC Address

Specifies which wireless devices can connect based on their MAC addresses, using allow or deny lists.

Firewall Rules: Port Blocking

Configures outbound traffic rules to block access on specific network ports for enhanced security.

Firewall Rules: Port Forwarding

Sets up inbound rules to make local servers visible to the Internet by directing traffic to specific ports.

WAN Setup

Configures WAN settings, including DMZ address and MTU size for optimal Internet connectivity.

Dynamic DNS

Enables dynamic DNS service for accessing the gateway using a domain name instead of a changing IP address.

LAN IP Setup

Configures LAN IP address, subnet mask, and DHCP server settings for the local network.

Reserving an IP Address for DHCP Use

Assigns a permanent IP address to a computer via DHCP reservation for consistent network access.

Remote Management

Allows remote configuration and status checking of the gateway via the Internet using a secure username and password.

Universal Plug and Play (UPnP)

Enables devices to automatically discover and access network resources and services, including port forwarding.

Troubleshooting

Basic Functions

Provides initial checks and common functions to perform after powering on the gateway.

Using LEDs to Troubleshoot

Explains how to interpret gateway LED behaviors for troubleshooting connection and status issues.

Access the Gateway Configuration

Provides steps to troubleshoot issues preventing access to the gateway's configuration interface via browser.

Troubleshoot the ISP Connection

Guides on resolving issues where the gateway cannot access the Internet, possibly related to MAC registration.

Test the LAN Path to Your Gateway

Verifies the network path from a PC to the gateway using the ping utility, checking for connectivity.

Test the Path from Your PC to a Remote Device

Tests network connectivity from a PC to an external device or server, such as an ISP's DNS server.

Wireless Performance and Gateway Location

Offers guidelines for optimal wireless signal range and performance based on gateway placement and interference.

Technical Specifications

Factory Default Settings

Details the default configuration settings for the gateway, including login, network parameters, and firewall rules.

Notification of Compliance

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