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A Division of Cisco Systems, Inc.

®

Model No.

Broadband Router

Wireless-

G

WRT54G

User Guide

WIRELESS

GHz

2.4

802.11g

Summary of Contents for WRT54G - Wireless-G Broadband Router Wireless

Page 1: ...A Division of Cisco Systems Inc Model No Broadband Router Wireless G WRT54G User Guide WIRELESS GHz 2 4802 11g...

Page 2: ...is Also each figure diagram screenshot or other image is provided with a figure number and description like this Figure numbers and descriptions can also be found in the List of Figures section in the...

Page 3: ...on for Connection to Another Router 10 Chapter 5 Configuring the PCs 12 Overview 12 Configuring Windows 98SE and Millennium PCs 12 Configuring Windows 2000 PCs 13 Configuring Windows XP PCs 14 Chapter...

Page 4: ...Tab Local Network 40 The Status Tab Wireless 41 Appendix A Troubleshooting 42 Common Problems and Solutions 42 Frequently Asked Questions 50 Appendix B Wireless Security 56 Security Precautions 56 Sec...

Page 5: ...vices 11 Figure 4 8 Connecting the Power 11 Figure 5 1 Configuration Tab 12 Figure 5 2 IP Address Tab 12 Figure 5 3 Properties 13 Figure 5 4 TCP IP 13 Figure 5 5 IP Address 13 Figure 5 6 Properties 14...

Page 6: ...gure 6 26 Access Restrictions Tab Internet Access 30 Figure 6 27 Internet Policy Summary 30 Figure 6 28 List of PCs 30 Figure 6 29 Port Services 31 Figure 6 30 Access Restrictions Tab Inbound Traffic...

Page 7: ...tus Tab Wireless 41 Figure C 1 Upgrade Firmware 59 Figure E 1 IP Configuration Screen 61 Figure E 2 MAC Address Adapter Address 61 Figure E 3 MAC Address Physical Address 61 Figure E 4 MAC Address Fil...

Page 8: ...s So networks are not only useful in homes and offices they can also be fun PCs on a wired network create a LAN or Local Area Network They are connected with Ethernet cables which is why the network i...

Page 9: ...nfiguring the Wireless G Broadband Router This chapter explains how to use the Web Based Utility to configure the settings on the Wireless G Broadband Router Appendix A Troubleshooting This appendix d...

Page 10: ...appendix provides the technical specifications for the Router Appendix H Warranty Information This appendix supplies the warranty information for the Router Appendix I Regulatory Information This app...

Page 11: ...uch as the Wireless G Broadband Router which serves as the main point of communications in a wireless network The Router transmits data to PCs equipped with wireless network adapters which can roam wi...

Page 12: ...communicate with the Wireless PrintServer WPS54GU2 WPS11 and Wireless Ethernet Bridges WET54G WET11 When you wish to connect your wireless network with your wired network you can use the Wireless G Br...

Page 13: ...from the Administration tab Factory Defaults in the Broadband Router s Web based Utility Internet The Internet port is where you will connect your broadband Internet connection 1 2 3 4 These ports 1 2...

Page 14: ...DMZ function is being used This LED will remain lit as long as DMZ is enabled WLAN Green The WLAN LED lights up whenever there is a successful wireless connection If the LED is flashing the Broadband...

Page 15: ...nection to Your Broadband Modem 1 Power down your network devices 2 Locate an optimum location for the Broadband Router The best place for the Broadband Router is usually at the center of your wireles...

Page 16: ...uter s Power port and the other end into an electrical outlet Only use the power adapter supplied with the Broadband Router Use of a different adapter may result in product damage Now that the hardwar...

Page 17: ...ion there is a setting called Local IP Address which is set to 192 168 1 1 Change this to 192 168 2 1 4 Click the Save Settings button to save your change and then exit the Web based Utility 5 Power d...

Page 18: ...network cabling 10 Connect the AC power adapter to the Broadband Router s Power port and the other end into an electrical outlet Only use the power adapter supplied with the Broadband Router Use of a...

Page 19: ...Millennium PCs 1 Click the Start button Select Settings and click the Control Panel icon Double click the Network icon 2 On the Configuration tab select the TCP IP line for the applicable Ethernet ad...

Page 20: ...Connection listed Double click the Local Area Connection Click the Properties button See Figure 5 3 3 Make sure the box next to Internet Protocol TCP IP is checked Highlight Internet Protocol TCP IP a...

Page 21: ...twork Connections icon 2 Select the Local Area Connection icon for the applicable Ethernet adapter usually it is the first Local Area Connection listed Double click the Local Area Connection Click the...

Page 22: ...dmin To secure the Router change the Password from its default There are seven main tabs Setup Wireless Security Access Restrictions Applications Gaming Administration and Status Additional tabs will...

Page 23: ...set to Automatic Configuration DHCP which should be kept only if your ISP supports DHCP or you are connecting through a dynamic IP address Static IP If you are required to use a permanent IP address...

Page 24: ...iod is 30 seconds PPTP Point to Point Tunneling Protocol PPTP is a service that applies to connections in Europe only Specify Internet IP Address This is the Router s IP address as seen from the Inter...

Page 25: ...ection To use this option click the radio button next to Keep Alive In the Redial Period field you specify how often you want the Router to check the Internet connection The default Redial Period is 3...

Page 26: ...100 Maximum Number of DHCP Users Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to This number cannot be greater than 253 The default is 50 Client Lease Time The...

Page 27: ...service at www dyndns org or www TZO com DDNS service providers DDNS Service From this pull down menu enter the DDNS service with which you have membership User Name Enter the User Name for your DDNS...

Page 28: ...he MAC address with your ISP you may assign the MAC address you have currently registered with your ISP to the Router with the MAC Address Clone feature Enable Disable To have the MAC Address cloned c...

Page 29: ...networks as well as data from the Internet Static Routing To set up a static route between the Router and another network select a number from the Static Routing drop down list A static route is a pr...

Page 30: ...ireless network It is case sensitive and must not exceed 32 characters use any of the characters on the keyboard Make sure this setting is the same for all points in your wireless network For added se...

Page 31: ...nd AES with dynamic encryption keys Select the type of algorithm TKIP or AES Enter a WPA Shared Key of 8 63 characters Then enter a Group Key Renewal period which instructs the Router how often it sho...

Page 32: ...tion method which is not as secure as WPA To use WEP select a Default Transmit Key choose which Key to use and a level of WEP encryption 64 bits 10 hex digits or 128 bits 26 hex digits Then either gen...

Page 33: ...Prevent Clicking this button will block wireless access by MAC Address Permit Only Clicking this button will allow wireless access by MAC Address Edit MAC Address Filter List Clicking this button wil...

Page 34: ...set depending on the speed of your wireless network You can select from a range of transmission speeds or you can select Auto to have the Router automatically use the fastest possible data rate and en...

Page 35: ...in at its default value of 2346 RTS Threshold Should you encounter inconsistent data flow only minor reduction of the default value 2347 is recommended If a network packet is smaller than the preset R...

Page 36: ...ocal servers from local networked computers Select Enabled to filter Internet NAT redirection or Disabled to disable this feature Filter IDENT Port 113 This feature keeps port 113 from being scanned b...

Page 37: ...he Close button Status Policies are disabled by default To enable a policy select the policy number from the drop down menu and click the radio button beside Enable You can create two kinds of policie...

Page 38: ...s on the Port Services screen click the Apply button to save changes If you want to cancel your changes click the Cancel button To close the Port Services screen and return to the Access Restrictions...

Page 39: ...b servers ftp servers e mail servers or other specialized Internet applications Specialized Internet applications are any applications that use Internet access to perform functions such as videoconfer...

Page 40: ...the trigger Triggered Range For each application list the triggered port number range Check with the Internet application documentation for the port number s needed Start Port Enter the starting port...

Page 41: ...f Service QoS ensures better service to high priority types of network traffic which may involve demanding real time applications such as videoconferencing There are three types of QoS available Devic...

Page 42: ...hine they are typically uploaded to the web server using FTP HTTP HyperText Transport Protocol The communications protocol used to connect to servers on the World Wide Web Its primary function is to e...

Page 43: ...to enable wireless access to the Router s web based utility or Disable to disable wireless access to the utility Remote Router Access To access the Router remotely from outside the network verify tha...

Page 44: ...To stop the test click the Stop button Click the Clear Log button to clear the screen Click the Close button to return to the Diagnostics screen Traceroute Test To test the performance of a connect c...

Page 45: ...e experiencing problems with the Broadband Router For more information about upgrading firmware refer to Appendix C Upgrading Firmware The Administration Tab Config Management This screen is used to b...

Page 46: ...e Router s MAC Address as seen by your ISP Router Name This is the specific name for the Router which you set on the Setup Tab Host Name If required by your ISP this would have been entered on the Set...

Page 47: ...ere DHCP Server If you are using the Router as a DHCP server that will be displayed here Start IP Address For the range of IP Addresses used by devices on your local Ethernet network the beginning of...

Page 48: ...ss tab this will display the wireless mode Mixed G Only or Disabled used by the network SSID As entered on the Wireless tab this will display the wireless network name or SSID DHCP Server If you are u...

Page 49: ...ress on a PC You can assign a static IP address to a PC by performing the following steps For Windows 98SE and Me 1 Click Start Settings and Control Panel Double click Network 2 In The following netwo...

Page 50: ...ked 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 v...

Page 51: ...e ping command from a different computer to verify that your original computer is not the cause of the problem If you do NOT get a reply there may be a problem with the connection Try the ping command...

Page 52: ...u installed Follow these steps to set up port forwarding through the Router s web based utility We will be setting up web ftp and mail servers 1 Access the Router s web based utility by going to http...

Page 53: ...e that you want the port server to go to For example if the web server s Ethernet adapter IP address is 192 168 1 100 you would enter 100 in the field provided Check Appendix E Finding the MAC Address...

Page 54: ...the Router s web based utility by going to http 192 168 1 1 or the IP address of the Router Enter the default password admin and click the Administrations Management tab 2 Enter a different password...

Page 55: ...pdf s instructions Set a static IP address on the PC refer to Problem 1 I need to set a static IP address Use the following IP address settings for the computer you are using IP Address 192 168 1 50...

Page 56: ...time the device is not working properly Try to flash the firmware by assigning a static IP address to the computer and then upgrade the firmware Try using the following settings IP Address 192 168 1 5...

Page 57: ...ver the Internet connection speed will vary depending on the speed of your broadband connection The Router also supports 100Mbps over the auto sensing Fast Ethernet 10 100 switch on the LAN side of th...

Page 58: ...he 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...

Page 59: ...the Connection tab Make sure that Internet Explorer is set to Never dial a connection For Netscape Navigator click Edit Preferences Advanced and Proxy Make sure that Netscape Navigator is set to Direc...

Page 60: ...re supported The product supports the following IEEE 802 11b functions CSMA CA plus Acknowledge protocol Multi Channel Roaming Automatic Rate Selection RTS CTS feature Fragmentation Power Management W...

Page 61: ...ilities in the hands of users around the globe What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable secure mission c...

Page 62: ...fault settings How do I resolve issues with signal loss There is no way to know the exact range of your wireless network without testing Every obstacle placed between the Router and a wireless PC will...

Page 63: ...riodically For information on implementing these security features refer to Chapter 6 Configuring the Wireless G Broadband Router Security Threats Facing Wireless Networks Wireless networks are easy t...

Page 64: ...esses This makes it harder for a hacker to access your network with a random MAC Address WEP Encryption Wired Equivalent Privacy WEP is often looked upon as a cure all for wireless security concerns T...

Page 65: ...ith a key shared between the device and the server Last enter a Group Key Renewal period which instructs the device how often it should change the encryption keys RADIUS WEP used in coordination with...

Page 66: ...ow these instructions 1 Download the firmware from Linksys s website at www linksys com 2 Click Firmware Upgrade from the Web Utility s Administration tab and the Upgrade Firmware screen shown in Figu...

Page 67: ...s or protocol all PCs follow to communicate over a network This is true for wireless networks as well Your PCs will not be able to utilize wireless networking without having TCP IP enabled Windows Hel...

Page 68: ...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 See Figure E 1 3 Write down the Adapter...

Page 69: ...use for MAC address cloning or MAC filtering The example in Figure E 3 shows the Ethernet adapter s IP address as 192 168 1 100 Your computer may show something different For the Router s Web based U...

Page 70: ...Adapter This is a device that adds network functionality to your PC Ad hoc A group of wireless devices communicating directly with each other peer to peer without the use of an access point Backbone T...

Page 71: ...domain name Default Gateway A device that forwards Internet traffic from your local area network DHCP Dynamic Host Configuration Protocol A protocol that lets one device on a local network known as a...

Page 72: ...File Transfer Protocol A standard protocol for sending files between computers over a TCP IP network and the Internet Full Duplex The ability of a networking device to receive and transmit data simul...

Page 73: ...computers or devices connected for the purpose of data sharing storage and or transmission between users NNTP Network News Transfer Protocol The protocol used to connect to Usenet groups on the Intern...

Page 74: ...CTS Clear To Send message before sending data Server Any computer whose function in a network is to provide user access to files printing communications and other services SMTP Simple Mail Transfer P...

Page 75: ...twork protocol 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 Upload To t...

Page 76: ...J 45 Port LAN Four 10 100 RJ 45 Switched Ports One Power Port One Reset Button Cabling Type Ethernet Network Cable LEDs Power DMZ WLAN LAN 1 4 Internet RF Power Output 17 dBm UPnP able cert Able Secur...

Page 77: ...G Broadband Router Certifications FCC IC 03 CE Wi Fi 802 11b 802 11g WPA Operating Temp 0 C to 40 C 32 F to 104 F Storage Temp 20 C to 70 C 4 F to 158 F Operating Humidity 10 to 85 Non Condensing Sto...

Page 78: ...Also Available Linksys High Gain Antenna for TNC Connectors HGA7T HGA5T...

Page 79: ...AND 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...

Page 80: ...cate 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...

Page 81: ...oleellisten vaatimusten ja sit koskevien n iden direktiivien muiden ehtojen mukainen Linksys d clare la Wireless G Broadband Router est conforme aux conditions essentielles et aux dispositions relati...

Page 82: ...king 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 800 326 711...

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