Linksys Router WRT54G2 User Manual
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Chapter 3Advanced Configuration 17 Wireless-G Broadband Router Port Services To add a service, enter the service’s name in the Service Name field. Select its protocol from the Protocol drop- down menu, and enter its range in the Port Range fields. Then click Add. To modify a service, select it from the list on the right. Change its name, protocol setting, or port range. Then click Modify. To delete a service, select it from the list on the right. Then click Delete. When you are finished making changes on the Port Services screen, click Apply to save the changes. If you want to cancel your changes, click Cancel. To close the Port Services screen and return to the Access Restrictions screen, click Close. Website Blocking by URL Address If you want to block websites with specific URL addresses, enter each URL in a separate field next to Website Blocking by URL Address. Website Blocking by Keyword If you want to block websites using specific keywords, enter each keyword in a separate field next to Website Blocking by Keyword. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Applications and Gaming > Port Range Forward The Applications & Gaming > Port Range Forward screen allows you to set up public services on your network, such as web 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 videoconferencing or online gaming. Some Internet applications may not require any forwarding.) Applications and Gaming > Port Range Forward Port Range Forward To forward a port, enter the information on each line for the criteria required. Application In this field, enter the name you wish to give the application. Each name can be up to 12 characters. Start/End This is the port range. Enter the number that starts the port range in the Start column and the number that ends the range in the End column. Protocol Select the protocol used for this application, either TCP or UDP, or Both. IP Address For each application, enter the IP Address of the PC running the specific application. Enable Select Enable to enable port forwarding for the relevant application. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Applications & Gaming > Port Triggering The Applications & Gaming > Port Triggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of the computer that sends the matching data is remembered by the Router, so that when the requested data returns through the Router, the data is pulled back to the proper computer by way of IP address and port mapping rules.
Chapter 3Advanced Configuration 18 Wireless-G Broadband Router Applications and Gaming > Port Triggering Port Triggering Application Enter the application name of 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 number of the Triggered Range. End Port Enter the ending port number of the Triggered Range. Forwarded Range For each application, list the forwarded port number range. Check with the Internet application documentation for the port number(s) needed. Start Port Enter the starting port number of the Forwarded Range. End Port Enter the ending port number of the Forwarded Range. Enable Select Enable to enable port triggering for the applicable application. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Applications and Gaming > DMZ The DMZ feature allows one network computer to be exposed to the Internet for use of a special-purpose service such as Internet gaming or videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port Range Forward feature is more secure because it only opens the ports you want to have opened, while DMZ hosting opens all the ports of one computer, exposing the computer to the Internet. Applications and Gaming > DMZ DMZ Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function. To expose one PC, select Enable. Then, enter the computer’s IP address in the DMZ Host IP Address field. This feature is disabled by default. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Applications and Gaming > QoS Quality of 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: Device Priority, Ethernet Port Priority, and Application Priority. QoS Enable/Disable To enable QoS, select Enable. Otherwise, select Disable. QoS is disabled by default. Upstream Bandwidth Select Auto or Manual from the drop-down menu. Manual allows you to specify the maximum outgoing bandwidth that applications can utilize.
Chapter 3Advanced Configuration 19 Wireless-G Broadband Router Applications and Gaming > QoS Device Priority Enter the name of your network device in the Device name field, enter its MAC Address, and then select its priority from the drop-down menu. Ethernet Port Priority Ethernet Port Priority QoS allows you to prioritize performance for the Router’s four ports, LAN Ports 1-4. For each port, select the priority and flow control setting. Priority Select High or Low in the Priority column. The Router’s four ports have been assigned low priority by default. Flow Control If you want the Router to control the transmission of data between network devices, select Enabled. To disable this feature, select Disabled. Ethernet Port Priority QoS does not require support from your ISP because the prioritized ports LAN ports 1-4 are in your network. This feature is enabled by default. Application Priority Application Priority QoS manages information as it is transmitted and received. Depending on the settings of the QoS screen, this feature will assign information a high or low priority for the applications that you specify. Optimize Gaming Applications Select this to automatically allow common game application ports to have a higher priority. These games include, but are not limited to: Counter-Strike, Half-Life, Age of Empires, EverQuest, Quake2/Quake3, and Diablo II. The default setting is unselected. Application Name Enter the name you wish to give the application in the Application Name field. Priority Select High or Low to assign priority to the application. The default selection is Low . Specific Port # Enter the port number for the application. Wireless QoS WMM Support Wi-Fi Multimedia (WMM), formerly known as Wireless Multimedia Extensions (WME), is a Wi-Fi Alliance certified feature, based on the IEEE 802.11e standard. This feature provides QoS to wireless networks. It is especially suitable for voice, music and video applications; for example, Voice over IP (VoIP), video streaming, and interactive gaming. If you have other devices on your wireless network that support WMM, select Enabled. Otherwise, keep the default, Disabled. No Acknowledgement This feature prevents the Router from re-sending data if an error occurs. To use this feature, select Enabled. Otherwise, keep the default setting, Disabled. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Administration > Management The Administration > Management screen allows the network’s administrator to manage specific Router functions for access and security. Administration > Management
Chapter 3Advanced Configuration 20 Wireless-G Broadband Router Router Password Local Router Access Router Password Enter a new Password for the Router. Re-enter to confirm Enter the Password again to confirm. Web Access Access Server HTTP (HyperText Transport Protocol) is the communications protocol used to connect to servers on the World Wide Web. HTTPS uses SSL (Secured Socket Layer) to encrypt data transmitted for higher security. Select HTTP or HTTPS. The default selection is HTTP. Wireless Access Web If you are using the Router in a public domain where you are giving wireless access to your guests, you can disable wireless access to the Router’s web-based utility. You will only be able to access the web-based utility via a wired connection if you disable the setting. Keep the default, Enable, to enable wireless access to the Router’s web-based utility, or select Disable to disable wireless access to the utility. Remote Router Access Remote Management To access the Router remotely, from outside the network, select Enable. Management Port Enter the port number that will be open to outside access. You will need to enter the Router’s password when accessing the Router this way, as usual. Use https To require the use of HTTPS for remote access, select this feature. UPnP UPnP Keep the default, Enable to enable the UPnP feature; otherwise, select Disable. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Administration > Log The Router can keep logs of all traffic for your Internet connection. Administration > Log Log Log To disable the Log function, keep the default setting, Disable. To monitor traffic between the network and the Internet, select Enable. When you wish to view the logs, click Incoming Log or Outgoing Log, depending on which you wish to view. Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes. Administration > Diagnostics The diagnostic tests (Ping and Traceroute) allow you to check the connections of your network components. Administration > Diagnostics Ping Test Ping The Ping test checks the status of a connection. Click Ping to open the Ping Test screen. Enter the address of the PC whose connection you wish to test and how many times you wish to test it. Then, click Ping. The Ping Test screen will show if the test was successful. To stop the test, click Stop. Click Clear Log to clear the screen. Click Close to return to the Diagnostics screen. The Ping Test Traceroute Test Traceroute To test the performance of a connection, click Traceroute to open the Traceroute Test screen. Enter the address of the PC whose connection you wish to test and click Traceroute. The Traceroute Test screen will show
Chapter 3Advanced Configuration 21 Wireless-G Broadband Router if the test was successful. To stop the test, click Stop. Click Clear Log to clear the screen. Click Close to return to the Diagnostics screen. The Traceroute Test Administration > Factory Defaults The Administration > Factory Defaults screen allows you to restore the Router’s configuration to its factory default settings. Factory Defaults Restore Factory Defaults To reset the Router’s settings to the default values, select Yes, and then click Save Settings. Any settings you have saved will be lost when the default settings are restored. Administration > Factory Defaults Administration > Upgrade Firmware The Administration > Upgrade Firmware screen allows you to upgrade the Router’s firmware. Do not upgrade the firmware unless you are experiencing problems with the Router or the new firmware has a feature you want to use. Administration > Upgrade Firmware Before upgrading the firmware, download the Router’s firmware upgrade file from the Linksys website, www. linksys.com. Then extract the file. Upgrade Firmware Please select a file to upgrade Click Browse and select the extracted firmware upgrade file. Then c lick Upgrade and follow the on-screen instructions. Administration > Config Management This screen is used to back up or restore the Router’s configuration file. Administration > Config Management Backup Configuration To back up the Router’s configuration file, click Backup. Then follow the on-screen instructions. Restore Configuration Please select a file to restore Click Browse and select the configuration file. Then click Restore.
Chapter 3Advanced Configuration 22 Wireless-G Broadband Router Status > Router The Status > Router screen displays the Router’s current status. Status > Router Router Information Firmware Version This is the Router’s current firmware. Current Time This shows the time, as you set on the Setup tab. MAC Address This is the 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 Setup tab. Domain Name If required by your ISP, this would have been entered on the Setup tab. Internet Configuration Type This section shows the current network information stored in the Router. The information varies depending on the Internet connection type selected on the Setup > Basic Setup screen. Click Refresh to update the on-screen information. Status > Local Network The Status > Local Network screen displays the status of your network. Status > Local Network Local Network MAC Address This is the Router’s MAC Address, as seen on your local, Ethernet network. IP Address This shows the Router’s IP Address, as it appears on your local, Ethernet network. Subnet Mask This shows the current subnet mask being configured for your local network. 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 that range is shown here. End IP Address For the range of IP Addresses used by devices on your local, Ethernet network, the end of that range is shown here. DHCP Clients Table Clicking this button will open a screen to show you which PCs are utilizing the Router as a DHCP server. You can delete PCs from that list, and sever their connections, by checking a Delete box and clicking the Delete button. DHCP Clients Table Click Refresh to update the on-screen information.
Chapter 3Advanced Configuration 23 Wireless-G Broadband Router Status > Wireless The Status > Wireless screen displays the status of your wireless network. Status > Wireless Wireless MAC Address This is the Router’s MAC Address, as seen on your local, wireless network. Mode As selected from the Wireless > Basic Wireless Settings screen, this displays the wireless mode (Mixed, G- Only, or Disabled) used by the network. SSID As entered on the Wireless > Basic Wireless Settings screen, this displays the wireless network name or SSID. DHCP Server The status of the DHCP server function is displayed here. Channel As entered on the Wireless > Basic Wireless Settings screen, this displays the channel on which your wireless network is broadcasting. Encryption Function As selected on the Wireless > Wireless Security screen, this displays the status of the Router’s wireless security. Click Refresh to update the on-screen information.
Appendix ATroubleshooting 24 Wireless-G Broadband Router Appendix A: Troubleshooting Your computer cannot connect to the Internet. Follow these instructions until your computer can connect to the Internet: Make sure that the Router is powered on. The Power • LED should be green and not flashing. If the Power LED is flashing, then power off all of • your network devices, including the modem, Router, and computers. Then power on each device in the following order: Cable or DSL modem 1. Router 2. Computer 3. Check the cable connections. The computer should • be connected to one of the ports numbered 1-4 on the Router, and the modem must be connected to the Internet port on the Router. The modem does not have an Ethernet port. The modem is a dial-up modem for traditional dial-up service. To use the Router, you need a cable/DSL modem and high-speed Internet connection. You cannot use the DSL service to connect manually to the Internet. After you have installed the Router, it will automatically connect to your Internet Service Provider (ISP), so you no longer need to connect manually. The DSL telephone line does not fit into the Router’s Internet port. The Router does not replace your modem. You still need your DSL modem in order to use the Router. Connect the telephone line to the DSL modem, insert the setup CD into your computer, and then follow the on-screen instructions. When you double-click the web browser, you are prompted for a username and password. If you want to get rid of the prompt, follow these instructions. Launch the web browser and perform the following steps (these steps are specific to Internet Explorer but are similar for other browsers): Select 1. Tools > Internet Options. Click the 2. Connections tab. Select 3. Never dial a connection. Click 4. OK. The Router does not have a coaxial port for the cable connection. The Router does not replace your modem. You still need your cable modem in order to use the Router. Connect your cable connection to the cable modem, insert the setup CD into your computer, and then follow the on-screen instructions. The computer cannot connect wirelessly to the network. Make sure the wireless network name or SSID is the same on both the computer and the Router. If you have enabled wireless security, then make sure the same security method and key are used by both the computer and the Router. You need to modify the settings on the Router. Open the web browser (for example, Internet Explorer or Firefox), and enter the Router’s IP address in the address field (the default IP address is 192.168.1.1). When prompted, leave the User name field blank and enter the password to the Router (the default is admin). Click the appropriate tab to change the settings. WEB: If your questions are not addressed here, refer to the Linksys website, www.linksys.com.
Appendix BSpecifications 25 Wireless-G Broadband Router Appendix B: Specifications Model WRT54G2 Standards IEEE 802.3, IEEE 802.3u, IEEE 802.11g, IEEE 802.11b Ports Internet: One 10/100 RJ-45 Port LAN: Four 10/100 RJ-45 Switched Ports One Power Port Button One Reset Button One Wi-Fi Protected Setup (WPS) Button LEDs Power, Wireless, LAN (1-4), Internet, Wi-Fi Protected Setup (WPS) Cabling Type CAT5 Number of Antennas Two (2) Internal Antennas RF Power Output 18 dBm UPnP able/cert Able Security Features Stateful Packet Inspection (SPI) Firewall, Internet Policy Wireless Security Wi-Fi Protected Access™2 (WPA2), WEP, Wireless MAC Filtering Environmental Dimensions 7.99" x 1.38" x 6.30" (203 x 35 x 160 mm) Weight 9.88 oz (280 g) Power External, 12V DC, 0.5A Certifications FCC, UL, CE, Wi-Fi (802.11b, 802.11g), WPA2, WMM Operating Temp. 32 to 104ºF (0 to 40ºC) Storage Temp. -4 to 140ºF (-20 to 60ºC) Operating Humidity 10 to 85%, Noncondensing Storage Humidity 5 to 90%, Noncondensing
Appendix CWarranty Information 26 Wireless-G Broadband Router Appendix C: Warranty Information Limited Warranty Linksys warrants this Linksys hardware product against defects in materials and workmanship under normal use for the Warranty Period, which begins on the date of purchase by the original end-user purchaser and lasts for the period specified below: One (1) year for new product • Ninety (90) days for refurbished product • This limited warranty is non-transferable and extends only to the original end-user purchaser. Your exclusive remedy and Linksys’ entire liability under this limited warranty will be for Linksys, at its option, to (a) repair the product with new or refurbished parts, (b) replace the product with a reasonably available equivalent new or refurbished Linksys product, or (c) refund the purchase price of the product less any rebates. Any repaired or replacement products will be warranted for the remainder of the original Warranty Period or thirty (30) days, whichever is longer. All products and parts that are replaced become the property of Linksys. Exclusions and Limitations This limited warranty does not apply if: (a) the product assembly seal has been removed or damaged, (b) the product has been altered or modified, except by Linksys, (c) the product damage was caused by use with non-Linksys products, (d) the product has not been installed, operated, repaired, or maintained in accordance with instructions supplied by Linksys, (e) the product has been subjected to abnormal physical or electrical stress, misuse, negligence, or accident, (f ) the serial number on the Product has been altered, defaced, or removed, or (g) the product is supplied or licensed for beta, evaluation, testing or demonstration purposes for which Linksys does not charge a purchase price or license fee. ALL SOFTWARE PROVIDED BY LINKSYS WITH THE PRODUCT, WHETHER FACTORY LOADED ON THE PRODUCT OR CONTAINED ON MEDIA ACCOMPANYING THE PRODUCT, IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND. Without limiting the foregoing, Linksys does not warrant that the operation of the product or software will be uninterrupted or error free. Also, due to the continual development of new techniques for intruding upon and attacking networks, Linksys does not warrant that the product, software or any equipment, system or network on which the product or software is used will be free of vulnerability to intrusion or attack. The product may include or be bundled with third party software or service offerings. This limited warranty shall not apply to such third party software or service offerings. This limited warranty does not guarantee any continued availability of a third party’s service for which this product’s use or operation may require. TO THE EXTENT NOT PROHIBITED BY LAW, ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THE WARRANTY PERIOD. ALL OTHER EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 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 limited warranty gives you specific legal rights, and you may also have other rights which vary by jurisdiction. TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA, REVENUE OR PROFIT, OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, REGARDLESS OF THE THEORY OF LIABILITY (INCLUDING NEGLIGENCE), ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT (INCLUDING ANY SOFTWARE), EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT WILL LINKSYS’ LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT. The foregoing limitations will apply even if any warranty or remedy provided under this limited warranty fails of its essential purpose. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. Obtaining Warranty Service If you have a question about your product or experience a problem with it, please go to www.linksys.com/support where you will find a variety of online support tools and information to assist you with your product. If the product proves defective during the Warranty Period, contact Linksys Technical Support for instructions on how to obtain warranty service. The telephone number for Linksys Technical Support in your area can be found in the product User Guide and at www.linksys.com. Have your product serial number and proof of purchase on hand when calling. A DATED PROOF OF ORIGINAL PURCHASE IS REQUIRED TO PROCESS WARRANTY CLAIMS. If you are requested to return your product, you will be given a Return Materials Authorization (RMA) number. You are responsible for properly packaging and shipping your product to Linksys at your cost and risk. You must include the RMA number and a copy of your dated proof of original purchase when returning your product. Products received without a RMA number and dated proof of original purchase will be