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8-1

v1.1, January 2007

Chapter 8

Troubleshooting

This chapter provides information about troubleshooting your RangeMax NEXT Wireless Router
WNR854T. After each problem description, instructions are provided to help you diagnose and
solve the problem. As a first step, please review the Quick Tips.

This chapter includes:

•

Troubleshooting Quick Tips

•

Troubleshooting Basic Functions

•

Troubleshooting the Web Configuration Interface

•

Troubleshooting the Internet Connection

•

Troubleshooting a Network Using a Ping Utility

•

Problems with Date and Time

•

Solving Wireless Connection Problems

•

Restoring the Default Configuration and Password

Troubleshooting Quick Tips

This section describes tips for troubleshooting some common problems:

Be sure to restart your network in this sequence.

Turn off

and

unplug the modem.

Turn off the wireless router and computers.

Plug in the modem and turn it on. Wait 2 minutes.

Turn on the wireless router and wait 1 minute.

Tip:

NETGEAR provides helpful articles, documentation, and the latest software

updates at

http://kbserver.netgear.com/products/WNR854T.asp

Содержание RangeMax NEXT WNR854T

Страница 1: ...202 10187 02 January 2007 NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual ...

Страница 2: ...rdance with the conditions set out in the BMPT AmtsblVfg 243 1991 and Vfg 46 1992 The operation of some equipment for example test transmitters in accordance with the regulations may however be subject to certain restrictions Please refer to the notes in the operating instructions Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and h...

Страница 3: ...Dansk Danish Undertegnede NETGEAR Inc erklærer herved at følgende udstyr Radiolan overholder de væsentlige krav og øvrige relevante krav i direktiv 1999 5 EF Deutsch German Hiermit erklärt NETGEAR Inc dass sich das Gerät Radiolan in Übereinstimmung mit den grundlegenden Anforderungen und den übrigen einschlägigen Bestimmungen der Richtlinie 1999 5 EG befindet Eesti Estonian Käesolevaga kinnitab NE...

Страница 4: ...irányelv egyéb elõírásainak Polski Polish Niniejszym NETGEAR Inc oświadcza że Radiolan jest zgodny z zasadniczymi wymogami oraz pozostałymi stosownymi postanowieniami Dyrektywy 1999 5 EC Português Portuguese NETGEAR Inc declara que este Radiolan está conforme com os requisitos essenciais e outras disposições da Directiva 1999 5 CE Slovensko Slovenian NETGEAR Inc izjavlja da je ta Radiolan v skladu...

Страница 5: ...is equipment uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipmen...

Страница 6: ...ublication Details Model Number WNR854T Publication Date January 2007 Product Family Wireless Router Product Name RangeMax NEXT Wireless Router WNR854T Home or Business Product Home Language English Publication Part Number 202 10187 02 ...

Страница 7: ...reless Settings 2 9 Chapter 3 Safeguarding Your Network Choosing Appropriate Wireless Security 3 1 Recommended Security Settings 3 3 Changing Wireless Security Settings 3 3 Configuring Security in the Advanced Wireless Settings Menu 3 6 Information to Gather Before Changing Basic Wireless Settings 3 7 Configuring WEP Wireless Security 3 8 Configuring WPA PSK or WPA2 PSK Wireless Security 3 10 Rest...

Страница 8: ...Service 5 5 Configuring the WAN Setup Options 5 6 Connecting Automatically as Required 5 7 Disabling the SPI Firewall 5 7 Setting Up a Default DMZ Server 5 7 Responding to a Ping on the Internet WAN Port 5 8 Setting the MTU Size 5 8 Configuring Static Routes 5 8 Chapter 6 Fine Tuning Your Network Allowing Inbound Connections To Your Network 6 1 Configuring Port Forwarding to Local Servers 6 6 Addi...

Страница 9: ... Troubleshooting Basic Functions 8 2 Troubleshooting the Web Configuration Interface 8 5 Troubleshooting the Internet Connection 8 6 Troubleshooting a Network Using a Ping Utility 8 7 Testing the LAN Path to Your Router 8 7 Testing the Path from Your Computer to a Remote Device 8 8 Problems with Date and Time 8 9 Solving Wireless Connection Problems 8 9 Using Your Wireless Card Setup Program 8 10 ...

Страница 10: ...x v1 1 January 2007 ...

Страница 11: ...e of this manual are described in the following paragraphs Typographical Conventions This manual uses the following typographical conventions Formats This manual uses the following formats to highlight special messages Italics Emphasis books CDs URL names Bold User input Fixed Screen text file and server names extensions commands IP addresses Note This format is used to highlight information of im...

Страница 12: ... to navigate directly to where the topic is described in the manual A button to access the full NETGEAR Inc online knowledge base for the product model Links to PDF versions of the full manual and individual chapters How to Print this Manual To print this manual you can choose one of the following options according to your needs Printing a Page from HTML Each page in the HTML version of the manual...

Страница 13: ...wser window Printing a PDF version of the Complete Manual Use the Complete PDF Manual link at the top left of any page Click the Complete PDF Manual link at the top left of any page in the manual The PDF version of the complete manual opens in a browser window Click the print icon in the upper left of your browser window Revision History NETGEAR Inc is constantly searching for ways to improve its ...

Страница 14: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual 1 4 About This Manual v1 1 January 2007 ...

Страница 15: ...nfiguration Configuring Your Internet Connection Using the Smart Setup Wizard Configuring Wireless Settings Using the Setup Manual For first time installation of your wireless router refer to the NETGEAR Wireless Router Setup Manual The Setup Manual explains how to launch the NETGEAR Smart Wizard on the Resource CD to step you through the procedure to connect your router modem and computers The Sm...

Страница 16: ...outerlogin net or the router s LAN IP address default is 192 168 1 1 in the address field of your browser and then pressing Enter A login window opens Table 2 1 RangeMax NEXT Wireless Router WNR854T Online Setup Manuals Language Setup Manual URL English http documentation netgear com wnr854t enu 208 10082 02 index htm German http documentation netgear com wnr854t deu 208 10094 01 index htm French ...

Страница 17: ...You can connect to the wireless router by typing either of these URLs in the address field of your browser and then pressing Enter http www routerlogin net http www routerlogin com If these URLs do not work you must type the IP address of the router such as http 192 168 1 1 Note The router user name and password are not the same as any user name or password you may use to log in to your Internet c...

Страница 18: ...your ISP configuration This feature is not the same as the Smart Wizard configuration assistant that only appears when the router is in its factory default state To use the Smart Setup Wizard to assist with configuration or to verify the Internet connection settings follow this procedure 1 From the top of the main menu of the browser interface click Setup Wizard 2 Click Next to proceed Input your ...

Страница 19: ... by your ISP the following parameters appear in the Basic Settings menu Account Name may also be called Host Name The account name will be provided to the ISP during a DHCP request from your router In most cases this parameter is not required but some ISPs require it for access to ISP services such as mail or news servers Figure 2 3 ISP Does Not Require Login ...

Страница 20: ...sses to the router during login select Use These DNS Servers and enter the IP address of your ISP s Primary DNS Server If a Secondary DNS Server address is available enter it also Router s MAC Address This section determines the Ethernet MAC address that the router will use on the Internet port Some ISPs especially cablemodem providers will register the Ethernet MAC address of the network interfac...

Страница 21: ...ow If a login is required by your ISP the following parameters appear in the Basic Settings menu Internet Service Provider This drop down list contains a few ISPs that need special protocols for connection The list includes PPTP Point to Point Tunneling Protocol used primarily in Austrian DSL services Note After you finish setting up your router you will no longer need to launch the ISP s login pr...

Страница 22: ...nd password will be used to log in to the ISP server Service Name If your connection is capable of connecting to multiple Internet services this parameter specifies which service to use Note The Telstra Bigpond setting is only for older cablemodem service accounts still requiring a Bigpond Login utility Telstra has discontinued this type of account Those with Telstra DSL accounts and newer cablemo...

Страница 23: ...ter it also Configuring Wireless Settings This section explains the general wireless settings of the WNR854T Configuration of the security related wireless features is explained in greater detail in Choosing Appropriate Wireless Security on page 3 1 The WNR854T provides two menus for configuring the wireless settings The basic Wireless Settings menu link is located under the Setup heading in the m...

Страница 24: ...than one wireless network is active different wireless network names provide a way to separate the traffic For a wireless device to participate in a particular wireless network it must be configured with the SSID for that network The WNR854T default SSID is NETGEAR Region This field identifies the region where the WNR854T can be used It may not be legal to operate the wireless features of the wire...

Страница 25: ...pand to a secondary channel primary channel 4 or 4 to achieve the maximum bandwidth Security Options Additional security parameter fields will appear depending on your selection of Security Option Instructions for configuring the security options can be found in Choosing Appropriate Wireless Security on page 3 1 A full explanation of wireless security standards is available in Wireless Communicati...

Страница 26: ...ess devices cannot connect to the WNR854T Enable SSID Broadcast If you disable broadcast of the SSID only devices that know the correct SSID can connect Disabling SSID broadcast nullifies the wireless network discovery feature of some products such as Windows XP Wireless Optimization Settings Select the best setting for your environment 11n Max Speed Best Wireless N performance with only 802 11n c...

Страница 27: ...nd 802 11n wireless clients Wireless Card Access List When a Wireless Card Access List is configured and enabled the WNR854T checks the MAC address of any wireless device attempting a connection and only allows connections to computers identified on the trusted computers list For instructions on configuring the Wireless Card Access List see Restricting Wireless Access by MAC Address on page 3 12 ...

Страница 28: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual 2 14 Configuring Basic Connectivity v1 1 January 2007 ...

Страница 29: ...r Firewall Choosing Appropriate Wireless Security Unlike wired network data anyone with a compatible adapter can receive your wireless data transmissions well beyond your walls Operating an unsecured wireless network creates an opportunity for outsiders to eavesdrop on your network traffic or to enter your network to access your computers and files For this reason use the security features of your...

Страница 30: ...y the general public but the data broadcast over the wireless link is fully exposed This data includes your trusted MAC addresses which can be read and impersonated by a hacker WEP Wired Equivalent Privacy WEP data encryption provides moderate data security WEP Shared Key authentication and WEP data encryption can be defeated by a determined eavesdropper using publicly available tools WPA PSK and ...

Страница 31: ...o break into your network As a minimum however NETGEAR recommends using WEP with Shared Key authentication Do not run an unsecured wireless network unless it is your intention to provide free Internet access for the public In addition be sure to change the administration password of your router Default passwords are well known and an intruder can use your administrator access to read or disable yo...

Страница 32: ...SSID also known as the wireless network name is broadcast by the wireless router so that nearby wireless devices can discover your network You can disable this broadcast as described in Configuring Security in the Advanced Wireless Settings Menu on page 3 6 Region This field identifies the region where the WNR854T can be used Channel This field determines which operating frequency is used Mode Thi...

Страница 33: ...ittle practical wireless security Shared Key With Shared Key authentication a wireless device must know the WEP key in order to join the network Choose the Encryption Strength 64 or 128 bit data encryption Manually enter the key values or enter a word or group of printable characters in the Passphrase box Manually entered keys are not case sensitive but passphrase characters are case sensitive Not...

Страница 34: ...s devices cannot connect to the WNR854T If you will not be using your wireless network for a period of time you can deselect this checkbox and disable all wireless connectivity Enable SSID Broadcast Deselect this checkbox to disable broadcast of the SSID so that only devices that know the correct SSID can connect Disabling SSID broadcast nullifies the wireless network discovery feature of some pro...

Страница 35: ...sed instead of SSID If WEP Authentication is used circle one Open System Shared Key or Auto WEP Encryption Key Size Choose one 64 bit or 128 bit Again the encryption key size must be the same for the wireless adapters and the wireless router Data Encryption WEP Keys There are two methods for creating WEP data encryption keys Whichever method you use record the key values in the spaces below Passph...

Страница 36: ...ss they are aslo set to WPA2 PSK and are configured with the correct Passphrase Use the procedures described in the following sections to configure the WNR854T Store this information in a safe place Configuring WEP Wireless Security To configure WEP data encryption follow these steps 1 From the main menu of the browser interface under Setup click Wireless Settings 2 From the Security Options menu ...

Страница 37: ...computers and Access Points in your network Automatic In the Passphrase box enter a word or group of printable characters and click Generate The passphrase is case sensitive For example NETGEAR is not the same as nETgear The four key boxes are automatically populated with key values Manual Enter ten hexadecimal digits any combination of 0 9 a f or A F These entries are not case sensitive For examp...

Страница 38: ...2 PSK Wireless Security To configure WPA PSK or WPA2 PSK follow these steps 1 In the Setup section of the main menu click Wireless Settings Note Not all wireless adapters support WPA Furthermore client software is also required Windows XP with Service Pack 2 does include WPA support Nevertheless the wireless adapter hardware and driver must also support WPA For instructions on configuring wireless...

Страница 39: ...e WPA PSK or WPA2 PSK options for the Security Type The third option WPA PSK TKIP WP2 PSK AES is the most flexible since it allows clients using either WPA PSK or WPA2 PSK 3 In the Passphrase box enter a word or group of 8 63 printable characters The passphrase is case sensitive 4 Click Apply to save your settings Figure 3 5 ...

Страница 40: ...e twelve character physical address containing the hexadecimal characters 0 9 or A F only and separated by colons for example 00 09 AB CD EF 01 It can usually be found on the bottom of the wireless card or network interface device If you do not have access to the physical label you can display the MAC address using the network configuration utilities of the computer In WindowsXP for example typing...

Страница 41: ... address otherwise you can manually enter a name and the MAC address of the authorized computer You can usually find the MAC address on the bottom of the wireless device 5 Click Add to add this wireless device to the Wireless Card Access List The screen changes back to the list screen 6 Repeat step 3 through step 5 for each additional device you want to add to the list Figure 3 7 Tip You can copy ...

Страница 42: ...tion when you click Apply You must then access the wireless router from a wired computer or from a wireless computer which is on the access control list to make any further changes Warning MAC address filtering adds an obstacle against unwanted access to your network by the general public However because your trusted MAC addresses appear in your wireless transmissions an intruder can read them and...

Страница 43: ...ation file after you complete the configuration In the event of router failure or corruption or a lost administrator password you can easily recreate your configuration by restoring the configuration file For instructions on saving and restoring your configuration file see Managing the Configuration File on page 7 6 Figure 3 8 Tip Before saving your configuration file change the administrator pass...

Страница 44: ...in Blocking Access to Internet Sites on page 4 1 Blocking services Block the use of certain Internet services by specific computers on your network This feature is described in Blocking Access to Internet Services on page 4 3 Scheduled blocking Block sites and services according to a daily schedule This feature is described in Scheduling Blocking on page 4 5 Allow inbound access to your server To ...

Страница 45: ...ax NEXT Wireless Router WNR854T provides you with Web content filtering options plus browser activity reporting and instant alerts via email Parents and network administrators can establish restricted access policies based on time of day Web addresses and Web address keywords You can also block Internet access by applications and services such as chat or games To configure these features of your r...

Страница 46: ...ck Sites To enable keyword blocking select either Per Schedule or Always then click Apply To block by schedule be sure to specify a time period in the Schedule menu For scheduling see Scheduling Blocking on page 4 5 To add a keyword or domain type it in the Keyword box click Add Keyword then click Apply To delete a keyword or domain select it from the list click Delete Keyword then click Apply To ...

Страница 47: ...puters at the request of client computers For example Web servers serve Web pages time servers serve time and date information and game hosts serve data about other players moves When a computer on your network sends a request for service to a server computer on the Internet the requested service is identified by a service or port number This number appears as the destination port number in the tr...

Страница 48: ...n protocols are defined by the Internet Engineering Task Force IETF and published in RFC1700 Assigned Numbers Service numbers for other applications are typically chosen from the range 1024 to 65535 by the authors of the application Port number information can often be determined by contacting the publisher of the application by asking user groups or newsgroups or by searching Enter the Starting P...

Страница 49: ...terface under Content Filtering click Schedule Configure the schedule for blocking keywords and services Days to Block Select days to block by checking the appropriate boxes Select Every Day to select the checkboxes for all days Click Apply Time of Day to Block Select a start and end time in 24 hour format Select All Day for 24 hour blocking Click Apply Be sure to select your Time Zone in the Emai...

Страница 50: ...eyword blocking is enabled and no log entries are made for the Trusted User From the main menu of the browser interface under Content Filtering click Logs Table 4 1 describes the log entries Figure 4 5 Table 4 1 Log entry descriptions Field Description Date and Time The date and time the log entry was recorded Source IP The IP address of the initiating device for this log entry Target address The ...

Страница 51: ...ur email account information To configure email alert and web access log notifications From the main menu of the browser interface under Content Filtering click Email Turn email notification on Select this checkbox to receive email logs and alerts from the router Table 4 2 Log action buttons Field Description Refresh Click this button to refresh the log screen Clear Log Click this button to clear ...

Страница 52: ...or When Full Day for sending log Specifies which day of the week to send the log Relevant when the log is sent weekly or daily Time for sending log Specifies the time of day to send the log Relevant when the log is sent daily or weekly If you select the Weekly Daily or Hourly options and the log fills up before the specified period the log is automatically emailed to the specified email address Af...

Страница 53: ...ing Access From Your Network 4 9 v1 1 January 2007 Automatically adjust for Daylight Savings Time Select this checkbox if your region supports daylight savings time The router will automatically adjust the time at the start and end of the Daylight Savings Time period ...

Страница 54: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual 4 10 Restricting Access From Your Network v1 1 January 2007 ...

Страница 55: ...T including LAN WAN and routing settings It describes Using the LAN IP Setup Options Using a Dynamic DNS Service Configuring the WAN Setup Options Configuring Static Routes Using the LAN IP Setup Options The LAN IP Setup menu allows configuration of LAN IP services such as Dynamic Host Configuration Protocol DHCP and Routing Information Protocol RIP To configure LAN IP Settings ...

Страница 56: ...ation is 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 should be suitable for most applications If your network has a requirement to use a different IP addressing scheme you can make those changes in this menu The LAN IP parameters are IP Address The LAN IP address of the router IP Subnet Mask T...

Страница 57: ...s to all computers connected to the router s LAN The assigned default gateway address is the LAN address of the router The router assigns IP addresses to the attached computers from a pool of addresses specified in this menu Each pool address is tested before it is assigned to avoid duplicate addresses on the LAN For most applications the default DHCP and TCP IP settings of the router are satisfac...

Страница 58: ...served IP address for a computer on the LAN that computer will always receive the same IP address each time it accesses the router s DHCP server Reserved IP addresses should be assigned to computers or servers that require permanent IP settings To reserve an IP address 1 Click Add 2 In the IP Address box type the IP address to assign to the computer or server choose an IP address from the router s...

Страница 59: ...irected at your domain to your frequently changing IP address Your router contains a client that can connect to the dynamic DNS service provided by DynDNS org You must first visit their website at www dyndns org and obtain an account and host name which you will configure in the router Then whenever your ISP assigned IP address changes your router will automatically contact the dynamic DNS service...

Страница 60: ...s the name you use to log in to your account not your host name 6 Type the Password or key for your dynamic DNS account 7 If your dynamic DNS provider allows the use of wildcards in resolving your URL you can select the Use Wildcards checkbox to activate this feature For example the wildcard feature will cause yourhost dyndns org to be aliased to the same IP address as yourhost dyndns org 8 Click ...

Страница 61: ...efault DMZ Server The default DMZ server feature is helpful when using some online games and videoconferencing applications that are incompatible with Network Address Translation NAT The router is programmed to recognize some of these applications and to work properly with them but there are other applications that may not function well In some cases one local computer can run the application prop...

Страница 62: ... connection Setting the MTU Size The normal MTU value for most Ethernet networks is 1500 bytes 1492 bytes for PPPoE connections or 1436 for PPTP connections For some ISPs you may need to reduce the MTU but this is rarely required and should not be done unless you are sure it is necessary for your ISP connection For more information see Changing the MTU on page 6 14 To change the MTU size 1 Under M...

Страница 63: ...tic Routes menu 2 In the Route Name box type a name for this static route This is for identification purposes only 3 Select the Private checkbox if you want to limit access to the LAN only If Private the static route will not be reported in RIP 4 Select the Active checkbox to make this route effective 5 Type the Destination IP Address of the final destination 6 Type the IP Subnet Mask for this des...

Страница 64: ...icit static routes were created A default route was created with your ISP as the gateway and a second static route was created to your local network for all 192 168 1 x addresses With this configuration if you attempt to access a device on the 134 177 0 0 network your router will forward your request to the ISP The ISP forwards your request to the company where you are employed and the request wil...

Страница 65: ...ew of Home and Small Office Networking Technologies Allowing Inbound Connections To Your Network By default the WNR854T router blocks any inbound traffic from the Internet to your computers except for replies to your outbound traffic However you may need to create exceptions to this rule for the following purposes To allow remote computers on the Internet to access a server on your local network T...

Страница 66: ...st message with the following address and port information The source address is your computer s IP address The source port number is 5678 the browser session The destination address is the IP address of www example com which your computer finds by asking a DNS server The destination port number is 80 the standard port number for a Web server process Your computer then sends this request message t...

Страница 67: ...ge from www example com f When you finish your browser session your router eventually senses a period of inactivity in the communications Your router then removes the session information from its session table and incoming traffic is no longer accepted on port number 33333 How Port Triggering Changes the Communication Process In the preceding example requests are sent to a remote computer by your ...

Страница 68: ...ify message to your router with destination port 113 f Upon receiving the incoming message to destination port 33333 your router checks its session table to determine whether there is an active session for port number 33333 Finding an active session the router restores the original address information replaced by NAT and sends this reply message to your computer g Upon receiving the incoming messa...

Страница 69: ...c IP address of your router The remote computer composes a Web page request message with the following destination information The destination address is the IP address of www example com which is the address of your router The destination port number is 80 the standard port number for a Web server process The remote computer then sends this request message through the Internet to your router b Yo...

Страница 70: ...ure you can allow certain types of incoming traffic to reach servers on your local network For example you may make a local Web server FTP server or game server visible and available to the Internet Use the Port Forwarding menu to configure the router to forward specific incoming protocols to computers on your local network In addition to servers for specific applications you can also specify a De...

Страница 71: ...ddress box enter the last digit of the IP address of your local computer that will provide this service 4 Click Add The service will appear in the list on the menu Adding a Custom Service To define a service game or application that does not appear in the Service Name list you must first determine which port number or range of numbers is used by the application This information can usually be dete...

Страница 72: ... number of the range in the Ending Port box 6 In the Server IP Address box type the IP address of your local computer that will provide this service 7 Click Apply The service will appear in the list in the Port Forwarding Port Triggering menu Editing or Deleting a Port Forwarding Entry To edit or delete a Port Forwarding entry 1 In the table select the button next to the service name 2 Click Edit ...

Страница 73: ...simultaneously or An application needs to open incoming ports that are different from the outgoing port When Port Triggering is enabled the router monitors outbound traffic looking for a specified outbound trigger port When the router detects outbound traffic on that port it remembers the IP address of the local computer that sent the data The router then temporarily opens the specified incoming p...

Страница 74: ...4 For Port Triggering Timeout enter a value up to 9999 minutes This value controls the inactivity timer for the designated inbound port s The inbound port s close when the inactivity timer expires This is required because the router cannot be sure when the application has terminated Figure 6 3 Note If the Disable Port Triggering checkbox is selected after configuring port triggering port triggerin...

Страница 75: ... Single address and enter the IP address of one computer to restrict the service to a particular computer 8 Select the Service Type either TCP or UDP or both TCP UDP If you are not sure select TCP UDP 9 In the Triggering Port box enter the outbound traffic port number that will cause the inbound ports to be opened 10 Enter the inbound connection port information such as Connection Type Starting Po...

Страница 76: ...n menu of the browser interface under Advanced click UPnP The UPnP menu appears The available settings and displays in this menu are Turn UPnP On UPnP can be enabled or disabled for automatic device configuration The default setting for UPnP is disabled If disabled the router will not allow any device to automatically control the resources such as port forwarding mapping of the router Note If you ...

Страница 77: ...P address of each UPnP device that is currently accessing the router 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 Optimizing Wireless Performance The speed and operating distance or range of your wireless connection can vary significantly based on the physical pl...

Страница 78: ...sources are Computers and fax machines no closer than one foot Copying machines elevators and cell phones no closer than 6 feet Microwave ovens no closer than 10 feet Choose your settings Use a scanning utility to determine what other wireless networks are operating nearby and choose an unused channel Turn off SSID Broadcast and change the default SSID Other nearby devices may automatically try to...

Страница 79: ...problem goes away Table 6 1 describes common MTU sizes and applications To change the MTU size 1 In the Advanced section of the main menu click WAN Setup 2 Under MTU Size enter a new size between 64 and 1500 Note An incorrect MTU setting can cause Internet communication problems such as the inability to access certain Web sites frames within Web sites secure login pages FTP or POP servers Table 6 ...

Страница 80: ...ng different throughput In planning your network you should first consider which devices will have the heaviest traffic flow between them Examples are A media center in one room streaming high definition video from a server in another room A storage device that is used for backing up your computers Next consider the throughput of your network devices Where possible make the heaviest traffic connec...

Страница 81: ...ve a lower data rate to the Internet upstream than from the Internet downstream Keep in mind that when you connect to someone else who also has an asymmetrical connection the data rate between your sites is limited by each side s upstream data rate A typical residential ADSL or cablemodem connection provides a downstream throughput of about one to three megabits per second Mbps Newer technologies ...

Страница 82: ...ed economy and security Gigabit Ethernet can extend up to 100 meters with twisted pair wiring of CAT 5e or better A wired connection is not susceptible to interference and eavesdropping would require a physical connection to your network Assessing Your Speed Requirements Because your Internet connection is likely to operate at a much lower speed than your local network faster local networking tech...

Страница 83: ...gigabyte 1 GB of data using various networking technologies Table 6 2 Theoretical Transfer Time for 1 Gigabyte Network Connection Theoretical Raw Transfer Time Gigabit Wired Ethernet 8 seconds RangeMax NEXT Wireless N 26 seconds Powerline HD 40 seconds 100 Mbps Wired Ethernet 80 seconds 802 11g wireless 150 seconds 802 11b wireless 700 seconds 10 Mbps Wired Ethernet 800 seconds Cable Modem 3 Mbps ...

Страница 84: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual 6 20 Fine Tuning Your Network v1 1 January 2007 ...

Страница 85: ...und by clicking on the Maintenance heading in the main menu of the browser interface This chapter includes Viewing Wireless Router Status Information Viewing a List of Attached Devices Managing the Configuration File Erasing the Configuration Upgrading the Router Software Enabling Remote Management Access Viewing Wireless Router Status Information To view router status and usage information ...

Страница 86: ...rowser interface under Maintenance select Router Status Table 7 1 describes the router status fields Figure 7 1 Table 7 1 Wireless Router Status Fields Field Description Account Name The Host Name assigned to the router Firmware Version The version of the current software installed in the router This will change if you upgrade your router ...

Страница 87: ...hese parameters apply to the Local LAN port of the router MAC Address The Media Access Control address This is the unique physical address being used by the LAN port of the router IP Address The IP address being used by the Local LAN port of the router The default is 192 168 1 1 DHCP Identifies whether the router s built in DHCP server is active for the LAN attached devices IP Subnet Mask The IP S...

Страница 88: ...panel will be off Broadcast Name Indicates whether the router is broadcasting its SSID Figure 7 2 Table 7 2 Connection Status Items Item Description IP Address The WAN Internet IP Address assigned to the router Subnet Mask The WAN Internet Subnet Mask assigned to the router Default Gateway The WAN Internet default gateway the router communicates with DNS Server The IP address of the Domain Name Se...

Страница 89: ... The link status of the port TxPkts The number of packets transmitted on this port since reset or manual clear RxPkts The number of packets received on this port since reset or manual clear Collisions The number of collisions on this port since reset or manual clear Tx B s The current transmission outbound bandwidth used on the WAN and LAN ports Rx B s The current reception inbound bandwidth used ...

Страница 90: ...ed Devices to view the table For each device the table shows the IP address NetBIOS Host Name or Device Name if available and the Ethernet MAC address To force the router to look for attached devices click Refresh Managing the Configuration File The configuration settings of the WNR854T are stored within the router in a configuration file You can back up save this file to your computer restore it ...

Страница 91: ...le from the router and prompt you for a location on your computer to store the file You can give the file a meaningful name at this time such as COMCAST CFG To restore your settings from a saved configuration file enter the full path to the file on your computer or click Browse to browse to the file When you have located it click Restore to send the file to the router The router will then reboot a...

Страница 92: ... settings without knowing the login password or IP address you must use the Default Reset button on the rear panel of the router See Problems with Date and Time on page 8 9 Upgrading the Router Software This screen appears at login unless you check Do Not Display This Message Again and click Yes Tip To ensure that you are always using the latest firmware enable the Firmware Upgrade Assistant featu...

Страница 93: ...er interface under the Maintenance heading select Router Upgrade to display the upgrade menu To upload new firmware 1 Click Check to download and unzip if the download file is a ZIP file the new software file from NETGEAR 2 Click Browse and browse to the location of the new software file 3 Click Upload Note The Web browser used to upload new firmware into the WNR854T router must support HTTP uploa...

Страница 94: ...feature you can allow a user on the Internet to configure upgrade and check the status of your WNR854T router From the main menu of the browser interface under the Advanced heading select Remote Management To configure your router for remote management 1 Select the checkbox to Turn Remote Management On Figure 7 8 Note Be sure to change the router s default configuration password to a very secure p...

Страница 95: ...the Port Number for accessing the management interface Normal Web browser access uses the standard HTTP service port 80 For greater security enter a custom port number for the remote management Web interface Choose a number between 1024 and 65535 but do not use the number of any common service port The default is 8080 which is a common alternate for HTTP 4 Click Apply to have your changes take eff...

Страница 96: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual 7 12 Using Network Monitoring Tools v1 1 January 2007 ...

Страница 97: ...the Internet Connection Troubleshooting a Network Using a Ping Utility Problems with Date and Time Solving Wireless Connection Problems Restoring the Default Configuration and Password Troubleshooting Quick Tips This section describes tips for troubleshooting some common problems Be sure to restart your network in this sequence 1 Turn off and unplug the modem 2 Turn off the wireless router and com...

Страница 98: ...ist Make sure the network settings of the computer are correct Wired and wirelessly connected computers must have network IP addresses on the same network as the router The simplest way to do this is to configure each computer to obtain an IP address automatically using DHCP Please see Preparing a Computer for Network Access in Appendix B or the documentation that came with your computer Some cabl...

Страница 99: ...ery second the router software is corrupted This can happen if a firmware upgrade is interrupted or if the router detects a problem with the firmware For recovery instructions contact technical support at www netgear com support If the error persists you have a hardware problem and should contact technical support at www netgear com support The lights never turn off When the router is turned on th...

Страница 100: ... you are using the correct cable When connecting the router s Internet 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 The Wireless light is not lit If the Wireless light does not come on verify that the wireless feature is turned on according to the instructions i...

Страница 101: ...re the Java applet is loaded Try quitting the browser and launching it again or try a different browser 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 ...

Страница 102: ...y need to force your cable or DSL modem to recognize your new router by restarting your network as described in Be sure to restart your network in this sequence on page 8 1 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 lo...

Страница 103: ...unning login software that is no longer needed If your ISP provided a program to log you in to the Internet such as WinPoET you no longer need to run that software after installing your router You may need to go to the Internet Explorer Tools menu Internet Options Connections tab and select Never dial a connection Troubleshooting a Network Using a Ping Utility Most network devices and routers cont...

Страница 104: ...t the IP address for your router and your computer are correct and that the addresses are on the same subnet Testing the Path from Your Computer to a Remote Device After verifying that the LAN path works correctly test the path from your computer to a remote device From the Windows run menu type PING n 10 IP address where IP address is the IP address of a remote device such as your ISP s DNS serve...

Страница 105: ...me of day The WNR854T 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 2000 Cause The router has not yet successfully reached a Network Time Server Check that your Internet access set...

Страница 106: ... Security in the Advanced Wireless Settings Menu on page 3 6 Is your router s SSID Broadcast enabled See Configuring Security in the Advanced Wireless Settings Menu on page 3 6 Is your router set to a wireless standard that is not supported by your wireless card Check the Mode setting in Configuring Wireless Settings on page 2 9 If your wireless network appears but the signal strength is weak chec...

Страница 107: ...reless network name SSID use the default name or choose a suitable descriptive name In the SSID box you can enter a value of up to 32 alphanumeric characters The default SSID is NETGEAR 3 Set the Region Select the region in which the wireless interface will operate 4 Set the Channel The default channel is Auto Figure 8 1 Note The SSID is case sensitive NETGEAR is not the same as nETgear Also the S...

Страница 108: ...p to 54 Mbps 6 For Security Options select None 7 Click Apply to save your changes 8 In the main menu of the WNR854T router under the heading Advanced click Wireless Settings 9 Make sure the checkboxes are selected for Enable Wireless Router Radio and Enable SSID Broadcast 10 Click Setup Access List 11 Make sure that the checkbox is not selected for Turn Access Control On 12 Configure and test you...

Страница 109: ...to password 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 7 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 adminis...

Страница 110: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual 8 14 Troubleshooting v1 1 January 2007 ...

Страница 111: ...Access Router Login URL http www routerlogin net or http www routerlogin com Login Name case sensitive printed on product label admin Login Password case sensitive printed on product label password Internet Connection WAN MAC Address Use default hardware address MTU Size 1500 Local Network Router LAN IP address printed on product label also known as Gateway IP address www routerlogin net or 192 16...

Страница 112: ...in from the Internet Disabled bars all unsolicited requests Outbound communications going out to the Internet Enabled all Network Protocol and Standards Compatibility Data and Routing Protocols TCP IP RIP 1 RIP 2 DHCP PPPoE PPTP Bigpond Dynamic DNS and UPnP Power Adapter North America 120V 60 Hz input UK Australia 240V 50 Hz input Europe 230V 50 Hz input Japan 100V 50 60 Hz input All regions outpu...

Страница 113: ...ting humidity 90 maximum relative humidity noncondensing Electromagnetic Emissions Designed to conform to the following standards FCC Part 15 Class B EN 55022 24 CISPR 22 24 Class B EN 60950 CE LVD Class B MIC Interface Specifications LAN 10BASE T 100BASE Tx or 1000BASE T RJ 45 WAN 10BASE T or 100BASE Tx RJ 45 ...

Страница 114: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual A 4 Technical Specifications v1 1 January 2007 ...

Страница 115: ...NETGEAR Wireless Router Setup Manual Document Link Internet Networking and TCP IP Addressing http documentation netgear com reference enu tcpip index htm Wireless Communications http documentation netgear com reference enu wireless index htm Preparing a Computer for Network Access http documentation netgear com reference enu wsdhcp index htm Virtual Private Networking VPN http documentation netgea...

Страница 116: ...NETGEAR RangeMax NEXT Wireless Router WNR854T User Manual B 2 Related Documents v1 1 January 2007 ...

Страница 117: ... Savings Time 8 9 daylight savings time 4 9 Default DMZ Server 5 7 DMZ 5 7 6 6 DMZ Server 5 7 DNS 6 2 DNS dynamic 5 5 Domain Name 2 6 Dynamic DNS 5 5 DynDNS org 5 5 E erase configuration 7 8 ESSID 8 11 F factory settings restoring 7 8 fragment 6 14 fully qualified domain name FQDN 2 12 2 13 3 6 G gigabit Ethernet 6 18 H host name 2 5 I IP addresses auto generated 8 5 L LAN IP Setup Menu 5 2 LEDs t...

Страница 118: ...mary DNS Server 2 6 2 9 R range 6 13 remote management 7 10 reserved IP adresses 5 4 restore configuration 7 10 restore factory settings 7 8 Restrict Wireless Access by MAC Address 3 12 RIP Router Information Protocol 5 3 Router Status 7 2 S Secondary DNS Server 2 6 2 9 service numbers 4 4 SMTP 4 8 SPI firewall 5 7 spoof MAC address 8 6 SSID 2 10 3 4 8 11 8 12 Static Routes 7 10 T TCP IP network t...

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