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Appendix A: Troubleshooting
Common Problems and Solutions

Broadband Router

2. I want to test my Internet connection.

A. Check your TCP/IP settings.

For Windows 98 and Millennium:

Refer to “Appendix F: Windows Help” for details. Make sure

Obtain IP address automatically

is selected in

the settings.

For Windows 2000:

1. Click

Start

Settings

, and

Control Panel

. Double-click

Network and Dial-Up Connections

2. Right-click the

Local Area Connection

that is associated with the Ethernet adapter you are using,

and select the

Properties

option.

3. In the

Components checked are used by this connection

box, highlight

Internet Protocol (TCP/IP)

and click the

Properties

button. Make sure that

Obtain an IP address automatically

and

Obtain

DNS server address automatically

are selected.

4. Click the

button in the

Internet Protocol (TCP/IP) Properties

window, and click the

button in the

Local Area Connection Properties

window.

5. Restart the computer if asked.
6. Click the

button in the

Internet Protocol (TCP/IP) Properties

window, and click the

button in the

Local Area Connection Properties

window.

7. Restart the computer if asked.

For Windows XP:

The following instructions assume you are running Windows XP with the default interface. If you are using the
Classic interface (where the icons and menus look like previous Windows versions), please follow the
instructions for Windows 2000.

1. Click

Start

and

Control Panel

2. Click the

Network and Internet Connections

icon and then the

Network Connections

icon.

3. Right-click the

Local Area Connection

that is associated with the Ethernet adapter you are using,

and select the

Properties

option.

4. In the

This connection uses the following items

box, highlight

Internet Protocol (TCP/IP)

, and click

the

Properties

button. Make sure that

Obtain an IP address automatically

and

Obtain DNS server

address automatically

are selected.

B. Open a command prompt.

•

For Windows 98 and Millennium, click

Start

and

Run

. In the

Open

field, type

command

. Press the

Enter

key or click the

button.

Содержание RT042 - Broadband Router With QoS

Страница 1: ...A Division of Cisco Systems Inc Model No WIRED with QoS Broadband Router RT042 User Guide ...

Страница 2: ...vided with a figure number and description like this Figure numbers and descriptions can also be found in the List of Figures section in the Table of Contents This exclamation point means there is a Caution or Warning about something that could damage your property or the Router word definition This checkmark means there is a Note of interest about something you should pay special attention to whi...

Страница 3: ...ew 10 How to Access the Web based Utility 12 System Summary Tab 12 Basic Setup Tab Network 13 Basic Setup Tab Password 15 Basic Setup Tab Time 16 Basic Setup Tab MAC Clone 16 Parental Control Tab On Line Scheduler 17 Parental Control Tab Website Hit Rate 17 Parental Control Tab Application Usage 18 Parental Control Tab Performance Optimization 18 Parental Control Tab Block List 19 Advanced Setup T...

Страница 4: ...P Address for Your Ethernet Adapter 44 Windows 98 or Me Instructions 44 Windows 2000 or XP Instructions 44 For the Router s Web based Utility 45 Appendix D Using the RT042 Utility 46 Starting the Utility 46 Router Information 47 Usage Configuration Screens 47 Appendix E The Setup Wizard 51 Appendix F Windows Help 54 Appendix G Glossary 55 Appendix H Specifications 59 Appendix I Warranty Informatio...

Страница 5: ...ain an IP Automatically 14 Figure 5 8 Static IP 14 Figure 5 9 PPPoE 14 Figure 5 10 PPTP 15 Figure 5 11 Basic Setup Tab Password 15 Figure 5 12 Basic Setup Tab Time 16 Figure 5 13 Basic Setup Tab MAC Clone 16 Figure 5 14 Parental Control Tab On Line Scheduler 17 Figure 5 15 Parental Control Tab Website Hit Rate 17 Figure 5 16 Parental Control Tab Application Usage 18 Figure 5 17 Parental Control Ta...

Страница 6: ...C 1 IP Configuration Screen 44 Figure C 2 MAC Address Adapter Address 44 Figure C 3 MAC Address Physical Address 45 Figure C 4 MAC Address Clone 45 Figure D 1 The Utility s Main Screen 46 Figure D 2 The Router Information Screen 47 Figure D 3 The On Line Scheduler 48 Figure D 4 The Hit Rate Screen 48 Figure D 5 The Real Time Usage Screen 49 Figure D 6 The Hit Rate Screen 49 Figure D 7 The Performa...

Страница 7: ...nywhere in the home And you can share all kinds of files between computers like music digital pictures and other documents In addition to this you can control access to the Internet through the Router s Parental Control features This allows you to set a schedule see what websites and programs are being used optimize performance and block those sites you don t wish to be accessed This user guide wi...

Страница 8: ...net Adapter This appendix describes how to find the MAC address for your computer s Ethernet adapter so you can use the Router s MAC address cloning feature Appendix D Using the RT042 Utility This appendix describes the Router Utility that comes on the Router s CD Appendix E The Setup Wizard This appendix describes the Setup Wizard included with the Web based utility for easy Internet set up Appen...

Страница 9: ...ifications Appendix I Warranty Information This appendix contains the Router s warranty information Appendix J Regulatory Information This appendix supplies the regulatory information regarding the Router Appendix K Contact Information This appendix provides contact information for a variety of Linksys resources including Technical Support ...

Страница 10: ...s that the device assigned it will always have that same IP address until you change it Static IP addresses are commonly used with network devices such as server PCs or print servers If you use the Router to share your cable or DSL Internet connection contact your ISP to find out if they have assigned a static IP address to your account If so you will need that static IP address when configuring t...

Страница 11: ...ew user is added to your network For DSL users many ISPs may require you to log on with a user name and password to gain access to the Internet This is a dedicated high speed connection type called Point to Point Protocol over Ethernet PPPoE PPPoE is similar to a dial up connection but PPPoE does not dial a phone number when establishing a connection It also will provide the Router with a dynamic ...

Страница 12: ...hat port Internet1 Green The Internet1 LED lights up when the Router is connected to your cable or DSL modem through the corresponding Internet port Internet2 Green The Internet2 LED lights up when the Router is connected to your cable or DSL modem through the second Internet port Diag Orange The Diag LED lights up when the system is not ready The LED goes off when the system is ready System Green...

Страница 13: ...tried all other troubleshooting measures press and hold in the Reset button for 30 seconds This will restore the factory defaults and clear all of the Router s settings such as port forwarding or a new password Ports Ethernet 1 4 These four Ethernet ports connect to network devices such as PCs print servers or additional switches Internet1 The Internet1 port connects to a cable or DSL modem Intern...

Страница 14: ...ce Provider ISP according to Chapter 5 Setting up and Configuring the Broadband Router The installation technician from your ISP should have left the setup information with you after installing your broadband connection If not you can call your ISP to request the information Once you have the setup information for your specific type of Internet connection then you can begin installation and setup ...

Страница 15: ...work devices to the Router 3 Connect your cable or DSL modem s Ethernet cable to one of the Router s Internet ports If using the Internet2 port connect a second cable to it and the other end to the network device e g modem or public server 4 Power on the cable or DSL modem and the other network device if using one 5 Connect the included AC power cable to the Router s Power port and then plug the p...

Страница 16: ... bandwidth Clicking any underlined text will take you to any related pages in the utility Basic Setup Tab Network Use this screen to enter your Internet connection information and network settings Password You can change the Router s password on this screen For better network security you should change the password from the Router s default Time Change the time on this screen Make sure you change ...

Страница 17: ...wn Web FTP or other type of TCP IP server in your LAN Advanced Routing The Router s dynamic routing feature can be used to automatically adjust to physical changes in the network s layout The static routing feature allows multiple routers to operate on one network VPN Pass Through This tab allows you to enable or disable IPSec Pass Through PPTP Pass Through and L2TP Pass Through Remote Management ...

Страница 18: ...n the right side of the screen and all other screens in the Utility will be a link to the Site Map which has links to all of the Utility s tabs Click the Site Map button to view the Site Map Then click on desired tab subject System Information System Up Time The length of time in Days Hours and Minutes that the Router is active and the current time are displayed Internet IP Addresses This shows th...

Страница 19: ...is section allows you to set the maximum upstream or downstream bandwidth per Internet port maximizing your network s performance This information can be obtained from your ISP Click the Save Settings button to save the network settings or click the Cancel Changes button to undo your changes Basic Setup Tab Network The Basic Setup tab contains all of the router s basic setup functions The first sc...

Страница 20: ... to specify the Internet IP Address Subnet Mask Default Gateway Address and DNS Server select Static IP You must obtain this information from your ISP PPPoE Point to Point Protocol over Ethernet most DSL users You have to check with your ISP to make sure whether PPPoE should be enabled or not If they do use PPPoE 1 Enter your User Name and Password 2 If you select Connect on Demand option the PPPo...

Страница 21: ...etup Tab Password The Router s default User Name and password is admin For greater network security you should change the Router s password from this default to one of your own If you leave the password field blank all users on your network will be able to access the Router simply by entering admin into the password field Old Password Enter the old password The default Password is admin when you f...

Страница 22: ...or click the Cancel Changes button to undo the changes Basic Setup Tab MAC Clone Some ISPs require that you register a MAC address This feature clones your network adapter s MAC address onto the Router and prevents you from having to call your ISP to change the registered MAC address to the Router s MAC address The Router s MAC address is a 12 digit code assigned to a unique piece of hardware for ...

Страница 23: ...o restrict or allow entire days or daytime or evening periods in the lower portion of the screen Click Save Settings to save the Scheduler settings or click the Cancel Changes button to undo your changes Parental Control Tab Website Hit Rate From this screen you can view the frequency at which each of your network s users are viewing their ten most favorite websites You can also block these sites ...

Страница 24: ...to user and set the priority at which it is run If an application is not listed you can add it or you can edit those listed by clicking the Add Edit New Applications button Select User From this drop down menu select the user whose application performance you wish to optimize All applications are set at a Good level of optimization by default To change this setting click the Enable box next to the...

Страница 25: ...re blocked for each of your users and unblock them if you wish Select User From this drop down menu select the user whose web or application usage you wish to view Refresh Data Clicking this button will update the information displayed on the screen Change the information displayed on this screen by clicking the Web Site Block List for viewing blocked web sites or the Application Block List for vi...

Страница 26: ...server via an IP Gateway Be sure that you enter a valid IP Address You may need to establish a static IP address in order to properly run an Internet server For added security Internet users will be able to communicate with the server but they will not actually be connected The packets will simply be forwarded through the Router Port Range Forwarding 1 Select the Service from the pull down menu 2 ...

Страница 27: ...y those entries via UPnP when UPnP function is enabled by selecting Yes 1 Select the Service from the pull down menu 2 Enter the Name or IP Address of the server that you want the Internet users to access Then enable the entry by clicking the box below Enable 3 If the Service you need is not listed in menu please click the Service Management button A new screen will open and from there add the new...

Страница 28: ...vanced Setup Tab Advanced Routing Dynamic Routing The Router s dynamic routing feature can be used to automatically adjust to physical changes in the network s layout The Router uses the dynamic RIP protocol It determines the route that the network packets take based on the fewest number of hops between the source and the destination The RIP protocol regularly broadcasts routing information to oth...

Страница 29: ...e last field should be zero 2 Subnet Mask Enter the Subnet Mask used on the destination LAN IP domain For Class C IP domains the Subnet Mask is 255 255 255 0 3 Default Gateway If this Router is used to connect your network to the Internet then your gateway IP is the Router s IP Address If you have another router handling your network s Internet connection enter the IP Address of that router instea...

Страница 30: ...hrough Layer 2 Tunneling Protocol L2TP Pass Through is the method used to enable VPN sessions PPTP Pass Through is enabled by default Click the Save Settings button when you finish the VPN Pass Through settings or click the Cancel Changes button to undo the changes Advanced Setup Tab Remote Management If you want to manage this Router from a remote location over the Internet click the Enable butto...

Страница 31: ...est bounces a packet off an IP Address across the Internet which returns to the sender This test shows if the Router is able to contact a remote host If users on the LAN are having problems accessing services on the Internet try pinging the DNS server or another IP Address at the ISP s location If this test is successful try pinging addresses outside the ISP This will show if the problem lies with...

Страница 32: ...e Firmware Upgrade Right Now button Firmware Download Users can click the Firmware Download from Linksys Web Site button to link to the downloads on the Support page of the Linksys website Select the Router from the pull down menu and choose the firmware from the options After downloading the firmware follow the Firmware Upgrade instructions above Import Configuration File Before importing a confi...

Страница 33: ... E mail Enable E Mail Alert Check this box to enable E Mail Alert informing you of network activity Mail Server To have a log or alert information e mailed to you enter the name or IP address of your SMTP server here Your Internet Service Provider can provide you with this information Send E mail To This is the E mail address where your log files will be sent Leave this field blank if you do not w...

Страница 34: ... this button to view the outgoing packet information Incoming Log Table Click this button to view the incoming packet information Clear Log Now This button will clear out your log without e mailing it Only use this button if you don t mind losing your log information Click the Save Settings button to save your Log settings or click the Cancel Changes button to undo the changes Log Tab System Stati...

Страница 35: ...etwork components are installed box select the TCP IP associated with your Ethernet adapter If you only have one Ethernet adapter installed you will only see one TCP IP line with no association to an Ethernet adapter Highlight it and click the Properties button C In the TCP IP properties window select the IP address tab and select Specify an IP address Enter a unique IP address that is not used by...

Страница 36: ...Properties window I Restart the computer if asked For Windows XP The following instructions assume you are running Windows XP with the default interface If you are using the Classic interface where the icons and menus look like previous Windows versions please follow the instructions for Windows 2000 A Click Start and Control Panel B Click the Network and Internet Connections icon and then the Net...

Страница 37: ...s window 5 Restart the computer if asked 6 Click the OK button in the Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window 7 Restart the computer if asked For Windows XP The following instructions assume you are running Windows XP with the default interface If you are using the Classic interface where the icons and menus look like previo...

Страница 38: ... the connection Try the ping command from a different computer to verify that your original computer is not the cause of the problem 3 I am not getting an IP address on the Internet with my Internet connection A Refer to Problem 2 I want to test my Internet connection to verify that you have connectivity B If you need to register the MAC address of your Ethernet adapter with your ISP please see Ap...

Страница 39: ...s may be possible depending on the specifics of your VPNs VPNs that use IPSec and AH Authentication Header known as protocol 51 are incompatible with the Router AH has limitations due to occasional incompatibility with the NAT standard Change the IP address for the Router to another subnet to avoid a conflict between the VPN IP address and your local IP address For example if your VPN server assig...

Страница 40: ... the Service you need is not listed in the menu click the Service Management button to add the new Service Name and enter the Protocol and Port Range Click the Add to List button Then click the Save Setting button Click the Exit button C Enter the IP Address of the server that you want the Internet users to access For example if the web server s Ethernet adapter IP address is 192 168 1 100 you wou...

Страница 41: ... Service from the pull down menu If the Service you need is not listed in the menu click the Service Management button to add the new Service Name and enter the Protocol and Port Range For example if you have a web server you would enter the range 80 to 80 Click the Add to List button Then click the Save Setting button Click the Exit button C Enter the IP Address of the server that you want the In...

Страница 42: ...es you have entered for forwarding To delete an entry select it and then click the Delete selected application button Keep this information in case you want to use it at a later time C Click the DMZ Host tab D Enter the Ethernet adapter s IP address of the computer you want exposed to the Internet This will bypass the NAT security for that computer Please refer to Appendix C Finding the MAC Addres...

Страница 43: ...ke sure you have Direct connection to the Internet selected on this screen C Close all the windows to finish 11 To start over I need to set the Router to factory default Hold the Reset button for up to 30 seconds and then release it This will return the password forwarding and other settings on the Router to the factory default settings In other words the Router will revert to its original factory...

Страница 44: ...and will trigger the Router to open a specific port depending on which port an Internet application uses Follow these steps A To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router B Enter the password if asked The default password is admin C Click the Advanced Setup Forwarding tab D Enter any name you want to use for the Application Name E Enter ...

Страница 45: ...r communications IPX a NetWare communications protocol used only to route messages from one node to another and AppleTalk a communications protocol used on Apple and Macintosh networks can be used for LAN to LAN connections but those protocols cannot connect from the Internet to the LAN What is Network Address Translation and what is it used for Network Address Translation NAT translates multiple ...

Страница 46: ...rs with the same CD key connect at the same time even if on the same LAN not a problem with 1 0 1 3 As far as hosting games the HL server does not need to be in the DMZ Just forward port 27015 to the local IP address of the server computer How can I block corrupted FTP downloads If you are experiencing corrupted files when you download a file with your FTP client try using another FTP program The ...

Страница 47: ...n For Netscape Navigator click Edit Preferences Advanced and Proxy Make sure that Netscape Navigator is set to Direct connection to the Internet What is DMZ Hosting Demilitarized Zone DMZ allows one IP address computer to be exposed to the Internet Some applications require multiple TCP IP ports to be open It is recommended that you set your computer with a static IP if you want to use DMZ Hosting...

Страница 48: ...whether I have static or DHCP IP addresses Ask your ISP to find out How do I get mIRC to work with the Router Under the Setup Forwarding tab set port forwarding to 113 for the PC on which you are using mIRC If your questions are not addressed here refer to the Linksys website www linksys com ...

Страница 49: ... the Linksys website www linksys com or click the Firmware Download from Linksys Web Site button that appears on the System Management screen under the Advanced Setup tab Select the Router from the pull down menu and choose the firmware from the options 2 After downloading the file extract it on your computer 3 Under Firmware Upgrade on the same screen click the Browse button to select the firmwar...

Страница 50: ...ter winipcfg Then press the Enter key or the OK button 2 When the IP Configuration screen appears select the Ethernet adapter you have connected to the Router via a CAT 5 Ethernet network cable 3 Write down the Adapter Address as shown on your computer screen This is the MAC address for your Ethernet adapter and is shown as a series of numbers and letters The MAC address Adapter Address is what yo...

Страница 51: ...Some ISPs require that you register a MAC address This feature clones your network adapter s MAC address onto the Router and prevents you from having to call your ISP to change the registered MAC address to the Router s MAC address The Router s MAC address is a 12 digit code assigned to a unique piece of hardware for identification Enter the MAC Address in the User Defined MAC Address field for In...

Страница 52: ...y s password which is by default admin After entering the password and clicking the OK button the Utility will automatically detect the PC connected to the Router on your network and its settings The main Utility screen will then open This screen gives a graphical representation of the Router s connection to the Internet displaying which Internet ports are active From this screen you can also cont...

Страница 53: ...ws the network connection status The earth will spin when the router is connectin to the Internet Internet 1 Internet 2 Icons Click the Internet2 button to switch to the other Internet port Click the Internet 1 button to view and edit the Internet configuration As you change the Internet port the screen will change acccordingly If dual Internet is used you can see who is going through Internet1 an...

Страница 54: ... will get 256Kbit sec guaranteed bandwidth The max bandwidth user A can use will be 512Kbit sec but you also can lower the max bandwidth to limit the bandwidth for this user For example if you limit the max as 70 the maximum bandwidth user A can use will be around 358Kbit sec Once you change the bandwidth settings or rename the host name of PC the Save bar will appear After finishing the changes c...

Страница 55: ... Website information is displayed in ranking order from most viewed to least viewed with the amount of hits displayed Each website is displayed as a link so you can click the name to bring up the site Clicking the Block box will restrict that user from viewing that website View URL Block List Clicking this button will show which sites have been blocked for this user View One Week History Click thi...

Страница 56: ...refresh the information on the screen click the Refresh button If you need help on line click the Help button Click Save to save the blocked list or click the Cancel button to undo your changes Performance Optimization From the Performance Optimization screen you can list the network applications most often used on your network according to user and set the priority at which it is run All applicat...

Страница 57: ...ection 1 Click the Setup Wizard button on the Network screen to run the Setup Wizard to quickly set up the Router s Internet access 2 The first screen to appear will ask for a Host and Domain name Your Internet Service Provider ISP may require this information If your ISP requires them enter the Host Name and Domain Name in the fields provided Click Next to continue Click Previous if you want to r...

Страница 58: ...ard 4 The next screen that appears depends on your Internet Connection Type If you chose Obtain an IP automatically the Obtain an IP automatically screen appears Select Use DNS Server provided by ISP default or Use the Following DNS Server Addresses if you want to enter a specific IP Click Next to continue Click Previous if you want to return to the previous screen Click Exit if you want to exit t...

Страница 59: ... wizard If you chose PPPoE the PPPoE screen appears Enter the User Name and Password provided by your ISP Click Next to continue Click Previous if you want to return to the previous screen Click Exit if you want to exit the wizard 5 On the final screen you can save your settings if you don t need to make any changes Click Previous if you want to return to the previous screen Click Exit if you want...

Страница 60: ...tructions or protocol all PCs follow to communicate over a wired or wireless network Your PCs will not be able to utilize networking without having TCP IP enabled Windows Help provides complete instructions on enabling TCP IP Shared Resources If you wish to share printers folders or files over your network Windows Help provides complete instructions on utilizing shared resources Network Neighborho...

Страница 61: ...bsite FTP server or e mail server with a fixed domain name e g www xyz com and a dynamic IP address Default Gateway A device that forwards Internet traffic from your local area network DHCP Dynamic Host Configuration Protocol A networking protocol that allows administrators to assign temporary IP addresses to network computers by leasing an IP address to a user for a limited amount of time instead...

Страница 62: ...Hardware The physical aspect of computers telecommunications and other information technology devices HTTP HyperText Transport Protocol The communications protocol used to connect to servers on the Internet IP Internet Protocol A protocol used to send data over a network IP Address The address used to identify a computer or device on a network IPCONFIG A Windows 2000 and XP utility that displays t...

Страница 63: ...s protocol is also used as a type of broadband connection in Europe Router A networking device that connects multiple networks together Server Any computer whose function in a network is to provide user access to files printing communications and other services SMTP Simple Mail Transfer Protocol The standard e mail protocol on the Internet SPI Stateful Packet Inspection Firewall A technology that ...

Страница 64: ...ocol for transmitting data that does not require acknowledgement from the recipient of the data that is sent Upgrade To replace existing software or firmware with a newer version URL Uniform Resource Locator The address of a file located on the Internet VPN Virtual Private Network A security measure to protect data as it leaves one network and goes to another over the Internet WAN Wide Area Networ...

Страница 65: ...ernet1 Internet2 Diag and System UPnP able cert able Security Features SPI port MAC IP filter Dimensions 6 69 x 6 69 x 1 26 W x H x D 170 mm x 170 mm x 32 mm Unit Weight 11 29 oz 3 32 kg Power 3 3V 2 5A Certifications FCC Operating Temp 0ºC to 40ºC 32ºF to 104ºF Storage Temp 0ºC to 70ºC 32ºF to 158ºF Operating Humidity 10 to 85 Non Condensing Storage Humidity 5 to 90 Non Condensing ...

Страница 66: ...WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to You This warranty gives You specific legal rights and You may also have other rights which vary by jurisdiction This warranty does not apply if the Product a has been altered except by Linksys b has n...

Страница 67: ...e equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment or devices Connect the equipment to an outlet other than the receiver s Consult a dealer or an experienced radio TV technician for assistance FCC Radiation Exposure Statement This equipment...

Страница 68: ... with Linksys products Give our advice line a call at 800 546 5797 LINKSYS Or fax your request in to 949 823 3002 If you experience problems with any Linksys product you can call us at 800 326 7114 Don t wish to call You can e mail us at support linksys com If any Linksys product proves defective during its warranty period you can call the Linksys Return Merchandise Authorization department for ob...

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