NETGEAR WGT624 manual Troubleshooting a TCP/IP Network Using a Ping Utility

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Reference Manual for the 108 Mbps Wireless Firewall Router WGT624

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Configure your router to spoof your PC’s MAC address. This can be done in the Basic Settings menu. Refer to “How to Manually Configure Your Internet Connection” on page 3-13.

If your router can obtain an IP address, but your PC is unable to load any web pages from the Internet:

Your PC may not recognize any DNS server addresses.

A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS servers for your use. If you entered a DNS address during the router’s configuration, reboot your PC and verify the DNS address as described in “Verifying TCP/IP Properties” on page C-6. Alternatively, you may configure your PC manually with DNS addresses, as explained in your operating system documentation.

Your PC may not have the router configured as its TCP/IP gateway.

If your PC obtains its information from the router by DHCP, reboot the PC and verify the gateway address as described in “Verifying TCP/IP Properties” on page C-6.

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 very easy by using the ping utility in your PC or workstation.

Testing the LAN Path to Your Router

You can ping the router from your PC to verify that the LAN path to your router is set up correctly.

To ping the router 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 router, as in this example:

ping 192.168.0.1

3.Click on OK.

You should see a message like this one:

Pinging <IP address> with 32 bytes of data

Troubleshooting

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M-10153-01

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Contents 10153-01 Trademarks Europe EU Declaration of Conformity 10153-01 World Wide Web 10153-01 Contents Chapter Wireless Configuration Chapter Troubleshooting Appendix C Preparing Your Network Glossary Xii Contents Audience, Scope, Conventions, and Formats Chapter About This ManualHtml version of this manual How to Use This ManualHow to Print this Manual About This Manual Chapter Introduction Key Features of the RouterPowerful, True Firewall with Content Filtering 802.11g Wireless NetworkingSecurity Autosensing Ethernet Connections with Auto UplinkExtensive Protocol Support Easy Installation and Management Package Contents LED Descriptions Router’s Front PanelWGT624 Rear Panel Router’s Rear PanelIntroduction Cabling and Computer Hardware Requirements Chapter Connecting the Router to the InternetComputer Network Configuration Requirements What You Will Need Before You BeginWhere Do I Get the Internet Configuration Parameters? Internet Configuration RequirementsRecord Your Internet Connection Information Connecting the WGT624 Connecting the RouterConnect the wireless router to your network Router Log in to the router Log in to the wireless routerConnect to the Internet Login windowConnecting the Router to the Internet PPPoE Smart Wizard-Detected Option Setup Smart Wizard menu for PPPoE accountsTelstra Bigpond Cable Smart Wizard-Detected Option Setup Smart Wizard menu for Telstra Bigpond Cable accountsFixed IP Account Smart Wizard-Detected Option Dynamic IP Smart Wizard-Detected Option10 Setup Smart Wizard menu for Fixed IP address accounts ISP Does Not Require Login ISP Does Require Login How to Manually Configure Your Internet ConnectionConnecting the Router to the Internet 12 Basic Settings ISP list Connecting the Router to the Internet Observe Performance, Placement, and Range Guidelines Chapter Wireless ConfigurationWGT624 Implement Appropriate Wireless SecurityWireless Settings menu Understanding Wireless SettingsWireless Configuration Authentication Scheme Selection Understanding WEP Authentication and EncryptionEncryption Strength Choices Default Factory SettingsBefore You Change the Ssid and WEP Settings How to Set Up and Test Basic Wireless Connectivity How to Restrict Wireless Access by MAC Address Wireless Card Access List Setup Wireless Settings encryption menu How to Configure WEPWireless Configuration Blocking Access to Internet Sites Chapter Content FilteringBlock Services menu Blocking Access to Internet ServicesAdd Services menu Configuring a User Defined ServiceConfiguring Services Blocking by IP Address Range Scheduling When Blocking Will Be EnforcedLogs menu Viewing Logs of Web Access or Attempted Web AccessLog entries are described in Table Email menu Configuring E-Mail Alert and Web Access Log NotificationsContent Filtering Viewing Router Status Information Chapter MaintenanceThis screen shows the following parameters Renew Click the Renew button to renew the Dhcp lease This screen shows the following statisticsShow Statistics action buttons are described in Table Upgrading the Router Software Viewing a List of Attached DevicesRouter Upgrade menu Configuration File ManagementSettings Backup menu Restoring and Backing Up the ConfigurationErasing the Configuration Changing the Administrator PasswordConfiguring Port Forwarding to Local Servers Chapter Advanced ConfigurationEditing or Deleting a Port Forwarding Entry Adding a Port Forwarding Custom ServiceMultiple Computers for Half Life, Kali or Quake III Example Local Web and FTP Server ExampleConnect Automatically, as Required Configuring WAN Setup OptionsDisable SPI Firewall Setting Up a Default DMZ ServerRespond to Ping on Internet WAN Port Setting the MTU SizeUsing a Dynamic DNS Service LAN IP Setup Menu Using LAN IP Setup OptionsUsing the Router as a Dhcp server Using Address Reservation To add or edit a Static Route How to Configure Static RoutesClick the Add button to open the Add/Edit Menu, shown below Enabling Remote Management Access Using Universal Plug and Play UPnP Advanced Configuration Chapter Troubleshooting Power LED Not OnBasic Functioning Local or Internet Port LEDs Not On LEDs Never Turn OffTroubleshooting the Web Configuration Interface Troubleshooting the ISP Connection Testing the LAN Path to Your Router Troubleshooting a TCP/IP Network Using a Ping UtilityTesting the Path from Your PC to a Remote Device Problems with Date and Time Restoring the Default Configuration and Password10153-01 TCP/IP, RIP-1, RIP-2, Dhcp Appendix a Technical SpecificationsWireless What is a Router? Appendix B Network, Routing, Firewall, and BasicsRelated Publications Basic Router Concepts Routing Information Protocol IP Addresses and the InternetClass E Class E addresses are for experimental use Subnet Addressing NetmaskExample of Subnetting a Class B Address Netmask Notation Translation Table for One Octet Private IP Addresses Single IP Address Operation Using NATFollowing figure illustrates a single IP address operation MAC Addresses and Address Resolution ProtocolDomain Name Server Related DocumentsIP Configuration by Dhcp What is a Firewall?Internet Security and Firewalls Stateful Packet Inspection Ethernet CablingInside Twisted Pair Cables Category 5 Cable QualityFigure B-2illustrates crossover twisted pair cable Uplink Switches, Crossover Cables, and MDI/MDIX Switching Preparing Your Computers for TCP/IP Networking Appendix C Preparing Your NetworkInstall or Verify Windows Networking Components Configuring Windows 95, 98, and Me for TCP/IP NetworkingPreparing Your Network Choose Settings, and then Control Panel Enabling Dhcp to Automatically Configure TCP/IP SettingsPrimary Network Logon is set to Windows logon Verifying TCP/IP Properties Selecting Windows’ Internet Access MethodConfiguring Windows NT4, 2000 or XP for IP Networking Dhcp Configuration of TCP/IP in Windows XP, 2000, or NT4 Dhcp Configuration of TCP/IP in Windows XPLocate your Network Neighborhood icon Preparing Your Network Dhcp Configuration of TCP/IP in Windows Preparing Your Network Obtain an IP address automatically is selected Dhcp Configuration of TCP/IP in Windows NT4 Preparing Your Network TCP/IP Properties dialog box now displays Verifying TCP/IP Properties for Windows XP, 2000, and NT4Configuring the Macintosh for TCP/IP Networking MacOS 8.6 orMacOS Verifying TCP/IP Properties for Macintosh Computers Are Login Protocols Used? What Is Your Configuration Information?Verifying the Readiness of Your Internet Account Select the Gateway tab Preparing Your Network Restarting the Network Preparing Your Network Appendix D Wireless Networking Basics Wireless Networking OverviewInfrastructure Mode Network Name Extended Service Set Identification Essid Ad Hoc Mode Peer-to-Peer WorkgroupAuthentication Authentication and WEPOpen System Authentication Steps Shared Key Authentication Steps Key Size WEP Configuration Options Wireless ChannelsRadio frequency channels used are listed in Table List of Glossary Terms GlossaryAdsl CRL Encapsulating Security Payload Internet service provider Megabits per second NAT Public Switched Telephone Network Ssid UTP Wins Glossary Numerics IndexIetf B-1 RFC Index
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