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Netgear Router WGT624 V3 User Manual

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    							Troubleshooting7-1
    202-10090-01, April 2005
    Chapter 7 
    Troubleshooting
    This chapter gives information about troubleshooting your WGT624 v3 108 Mbps Wireless 
    Firewall Router. After each problem description, instructions are provided to help you diagnose 
    and solve the problem.
    Basic Functioning
    After you turn on power to the router, the following sequence of events should occur:
    1.When power is first applied, verify that the Power LED is on.
    2.After approximately 10 seconds, verify that:
    a.The Local port LEDs are lit for any local ports that are connected.
    If a port’s LED is lit, a link has been established to the connected device. If a LAN port is 
    connected to a 100 Mbps device, verify that the port’s LED is green. If the port is 10 
    Mbps, the LED will be amber.
    b.The Wireless port LED is lit. (Note: The LED is off in factory default setting and is 
    enabled/LIT after you run the Configuration Assistant.)
    c.The Internet port LED is lit.
    If any of these conditions does not occur, refer to the appropriate following section.
    Power LED Not On
    If the Power and other LEDs are off when your router is turned on:
    • Make sure that the power cord is properly connected to your router and that the power supply 
    adapter is properly connected to a functioning power outlet. 
    Note: Product updates are available on the NETGEAR Web site at  
    www.netgear.com/support/main.asp. Documentation updates are available on the 
    NETGEAR, Inc. Web site at www.netgear.com/docs. 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
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    • Check that you are using the 12 V DC 1A power adapter supplied by NETGEAR for this 
    product.
    If the error persists, you have a hardware problem and should contact technical support.
    LEDs Never Turn Off 
    When the router is turned on, the LEDs turns on for about 10 seconds and then turn off. If all the 
    LEDs stay on, there is a fault within the router.
    If all LEDs are still on one minute after power up:
    • Cycle the power to see if the router recovers.
    • Clear the router’s configuration to factory defaults. This will set the router’s IP address to 
    192.168.1.1. This procedure is explained in “Restoring the Default Configuration and 
    Password” on page 7-7.
    If the error persists, you might have a hardware problem and should contact technical support.
    Local or Internet Port LEDs Not On
    If either the LAN LEDs or WAN LED do not light when the Ethernet connection is made, check 
    the following:
    • Make sure that the Ethernet cable connections are secure at the router and at the hub or 
    workstation.
    • Make sure that power is turned on to the connected hub or workstation.
    • Be sure you are using the correct cable:
    When connecting the router’s WAN port to a cable or DSL modem, use the cable that was 
    supplied with the cable or DSL modem. This cable could be a standard straight-through 
    Ethernet cable or an Ethernet crossover cable. 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
    Troubleshooting7-3
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    Troubleshooting the Web Configuration Interface
    If you are unable to access the router’s web Configuration interface from a PC on your local 
    network, check the following:
    • Check the Ethernet connection between the PC and the router as described in the previous 
    section.
    • Make sure your PC’s IP address is on the same subnet as the router. If you are using the 
    recommended addressing scheme, your PC’s address should be in the range of 192.168.1.2 to 
    192.168.1.254. Refer to “Verifying TCP/IP Properties” on page C-6 or “Verifying TCP/IP 
    Properties for Macintosh Computers” on page C-17 to find your PC’s IP address. Follow the 
    instructions in Appendix C to configure your PC.
    Note: If your PC’s IP address is shown as 169.254.x.x: Recent versions of Windows and 
    MacOS will generate and assign an IP address if the computer cannot reach a DHCP server. 
    These auto-generated addresses are in the range of 169.254.x.x. If your IP address is in this 
    range, check the connection from the PC to the router and reboot your PC.
    • If your router’s IP address has been changed and you don’t know the current IP address, clear 
    the router’s configuration to factory defaults. This will set the router’s IP address to 
    192.168.1.1. This procedure is explained in “Restoring the Default Configuration and 
    Password” on page 7-7.
    • Make sure your browser has Java, JavaScript, or ActiveX enabled. If you are using Internet 
    Explorer, click Refresh to be sure the Java applet is loaded.
    • Try quitting the browser and launching it again.
    • Make sure you are using the correct login information. The factory default login name is 
    admin and the password is password. Make sure that CAPS LOCK is off when entering this 
    information.
    If the router does not save changes you have made in the web Configuration Interface, check the 
    following:
    • When entering configuration settings, be sure to click the APPLY button before moving to 
    another menu or tab, or your changes are lost. 
    • Click the Refresh or Reload button in the web browser. The changes may have occurred, but 
    the web browser may be caching the old configuration. 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
    7-4Troubleshooting
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    Troubleshooting the ISP Connection
    If your router is unable to access the Internet, you should first determine whether the router is able 
    to obtain a WAN IP address from the ISP. Unless you have been assigned a static IP address, your 
    router must request an IP address from the ISP. You can determine whether the request was 
    successful using the web Configuration Manager.
    To check the WAN IP address: 
    1.Launch your browser.
    2.Access the Main Menu of the router’s configuration at http://192.168.1.1.
    3.Under the Maintenance heading, select Router Status.
    4.Check that an IP address is shown for the WAN Port 
    If 0.0.0.0 is shown, your router has not obtained an IP address from your ISP.
    If your router is unable to obtain an IP address from the ISP, you may need to force your cable or 
    DSL modem to recognize your new router by performing the following procedure:
    1.Turn off power to the cable or DSL modem. 
    2.Turn off power to your router. 
    3.Wait five minutes and reapply power to the cable or DSL modem. 
    4.When the modem’s LEDs indicate that it has reacquired sync with the ISP, reapply power to 
    your router.
    If your router is still unable to obtain an IP address from the ISP, the problem may be one of the 
    following:
    • Your ISP may require a login program. 
    Ask your ISP whether they require PPP over Ethernet (PPPoE) or some other type of login.
    • If your ISP requires a login, you may have incorrectly set the login name and password.
    • Your ISP may check for your PCs host name. 
    Assign the PC Host Name of your ISP account as the Account Name in the Basic Settings 
    menu.
    • Your ISP only allows one Ethernet MAC address to connect to Internet, and may check for 
    your PC’s MAC address. In this case:
    Inform your ISP that you have bought a new network device, and ask them to use the router’s 
    MAC address. 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
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    OR
    Configure your router to spoof your PC’s MAC address. This can be done in the Basic Settings 
    menu. 
    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 192.168.1.1
    3.Click on OK.
    You should see a message like this one:
    Pinging  with 32 bytes of data 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
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    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
    If the path is not functioning 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, follow the instructions in 
    “Local or Internet Port LEDs Not On” on page 7-2.
    — 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 router.
    • Wrong network configuration
    — Verify that the Ethernet card driver software and TCP/IP software are both installed 
    and configured on your PC or workstation.
    — Verify that the IP address for your router and your workstation are correct and that the 
    addresses are on the same subnet.
    Testing the Path from Your PC to a Remote Device
    After verifying that the LAN path works correctly, test the path from your PC to a remote device. 
    From the Windows run menu, type:
    PING -n 10 
    where  is the IP address of a remote device such as your ISP’s DNS server.
    If the path is functioning correctly, replies as in the previous section are displayed. If you do not 
    receive replies:
    — Check that your PC has the IP address of your router listed as the default gateway. If the IP 
    configuration of your PC is assigned by DHCP, this information will not be visible in your 
    PC’s Network Control Panel. Verify that the IP address of the router is listed as the default 
    gateway as described in “Verifying TCP/IP Properties” on page C-6.
    — Check to see that the network address of your PC (the portion of the IP address specified 
    by the netmask) is different from the network address of the remote device.
    — Check that your cable or DSL modem is connected and functioning. 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
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    — If your ISP assigned a host name to your PC, enter that host name as the Account Name in 
    the Basic Settings menu.
    — Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs. Many 
    broadband ISPs restrict access by only allowing traffic from the MAC address of your 
    broadband modem, but some ISPs additionally restrict access to the MAC address of a 
    single PC connected to that modem. If this is the case, you must configure your router to 
    “clone” or “spoof” the MAC address from the authorized PC. 
    Restoring the Default Configuration and Password
    This section explains how to restore the factory default configuration settings, changing the 
    router’s administration password to password and the IP address to 192.168.1.1. You can erase the 
    current configuration and restore factory defaults in two ways:
    • Use the Erase function of the router (see “Erasing the Configuration” on page 5-8).
    • Use the Default Reset button on the rear panel of the router. Use this method for cases when 
    the administration password or IP address is not known.
    To restore the factory default configuration settings without knowing the administration password 
    or IP address, you must use the Default Reset button on the rear panel of the router.
    1.Press and hold the Default Reset button until the Test LED turns on (about 5 seconds).
    2.Release the Default Reset button and wait for the router to reboot.
    Problems with Date and Time
    The E-Mail menu in the Content Filtering section displays the current date and time of day. The 
    WGT624 v3 wireless router uses the Network Time Protocol (NTP) to obtain the current time from 
    one of several Network Time Servers on the Internet. Each entry in the log is stamped with the date 
    and time of day. Problems with the date and time function can include:
    • Date shown is January 1, 2003. Cause: The router has not yet successfully reached a Network 
    Time Server. Check that your Internet access settings are configured correctly. If you have just 
    completed configuring the router, wait at least five minutes and check the date and time again.
    • Time is off by one hour. Cause: The router does not automatically sense Daylight Savings 
    Time. In the E-Mail menu, check or uncheck the box marked “Adjust for Daylight Savings 
    Time”. 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
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    							Technical Specifications A-1
    202-10090-01, April 2005
    Appendix A
    Technical Specifications
    This appendix provides technical specifications for the WGT624 v3 108 Mbps Wireless Firewall 
    Router.
    Network Protocol and Standards Compatibility
    Data and Routing Protocols: TCP/IP, RIP-1, RIP-2, DHCP 
    PPP over Ethernet (PPPoE)
    Power Adapter
    North America: 120V, 60 Hz, input
    United Kingdom, Australia: 240V, 50 Hz, input
    Europe: 230V, 50 Hz, input
    Japan: 100V, 50/60 Hz, input
    All regions (output): 12 V DC @ 1 A output, 22W maximum
    Physical Specifications
    Dimensions: 28 x 175 x 118 mm   (1.1 x 6.89 x 4.65 in.)
    Weight: 0.3 kg   (0.66 lb)
    Environmental Specifications
    Operating temperature: 0° to 40° C    (32º to 104º F)
    Operating humidity: 90% maximum relative humidity, noncondensing 
    						
    							Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3
    A-2 Technical Specifications
    202-10090-01, April 2005 Electromagnetic Emissions
    Meets requirements of: FCC Part 15 Class B
    VCCI Class B
    EN 55 022 (CISPR 22), Class B
    Interface Specifications
    LAN: 10BASE-T or 100BASE-Tx, RJ-45
    WAN: 10BASE-T or 100BASE-Tx, RJ-45
    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
    Data Encoding: Direct Sequence Spread Spectrum (DSSS)
    Maximum Computers Per 
    Wireless Network:Limited by the amount of wireless network traffic generated 
    by each node. Typically 30-70 nodes.
    Operating Frequency Ranges: 2.412~2.462 GHz (US)
    2.412~2.484 GHz (Japan)
    2.412~2.472 GHz (Europe ETSI)
    Encryption: 40-bits (also called 64-bits), 128-bits WEP data encryption 
    						
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