® A Division of Cisco Systems, Inc. 2.4 GHz Wireless-G 802.11g Broadband Router WIRELESS Model No.
Wireless-G Broadband Router with SRX400 Copyright and Trademarks Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2005 Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders.
Wireless-G Broadband Router with SRX400 Table of Contents Chapter 1: Introduction 1 Welcome What’s in this Guide? 1 2 Chapter 2: Planning Your Wireless Network Network Topology Ad-Hoc versus Infrastructure Mode Network Layout Chapter 3: Getting to Know the Wireless-G Broadband Router with SRX400 The Router’s Ports and Reset Button The Router’s LEDs Chapter 4: Connecting the Wireless-G Broadband Router with SRX400 Overview Hardware Installation for Connection to Your Broadband Modem Placement Options
Wireless-G Broadband Router with SRX400 The Administration Tab - Diagnostics The Administration Tab - Factory Defaults The Administration Tab - Firmware Upgrade The Administration Tab - Config Management The Status Tab - Router The Status Tab - Local Network The Status Tab - Wireless The Status Tab - System Performance Appendix A: Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B: Wireless Security Security Precautions Security Threats Facing Wireless Networks Appendix
Wireless-G Broadband Router with SRX400 List of Figures Figure 3-1: The Router’s Side Panel Figure 3-2: The Router’s LEDs Figure 4-1: Connect a PC Figure 4-2: Connect the Modem Figure 4-3: Connect the Power Figure 4-4: Router’s Stand Figure 4-5: Wall-Mount Measurements Figure 5-1: Password Screen Figure 5-2: Setup Tab - Basic Setup Figure 5-3: DHCP Connection Type Figure 5-4: Static IP Connection Type Figure 5-5: PPPoE Connection Type Figure 5-6: PPTP Connection Type Figure 5-7: Telstra BigPond Connection
Wireless-G Broadband Router with SRX400 Figure 5-24: Security Tab - Firewall Figure 5-25: Access Restrictions Tab - Internet Access Figure 5-26: Internet Policy Summary Figure 5-27: List of PCs Figure 5-28: Port Services Figure 5-29: Applications and Gaming Tab - Port Range Forward Figure 5-30: Applications and Gaming Tab - Port Triggering Figure 5-31: Applications and Gaming Tab - DMZ Figure 5-32: Applications and Gaming Tab - QoS (Add a New Application Figure 5-33: QoS - Voice Device Figure 5-34: QoS - O
Wireless-G Broadband Router with SRX400 Chapter 1: Introduction Welcome Thank you for choosing the Linksys Wireless-G Broadband Router with SRX400. The Router will allow you to network wirelessly better than ever, sharing Internet access, files and fun, easily and securely. How does the Router do all of this? A router is a device that allows access to an Internet connection over a network. When you use the Router, this access can be shared over the four switched ports or via the wireless network.
Wireless-G Broadband Router with SRX400 PCs on a wired network create a Local Area Network. They are connected with Ethernet cables, which is why the network is called “wired”. PCs equipped with wireless cards or adapters can communicate without cumbersome cables. By sharing the same wireless settings, within their transmission radius, they form a wireless network. The Router bridges wireless networks of both 802.11b and 802.11g standards and wired networks, allowing them to communicate with each other.
Wireless-G Broadband Router with SRX400 • Appendix B: Wireless Security This appendix explains the risks of wireless networking and some solutions to reduce the risks. • Appendix C: Upgrading Firmware This appendix instructs you on how to upgrade the Router’s firmware should you need to do so. • Appendix D: Windows Help This appendix describes how you can use Windows Help for instructions about networking, such as installing the TCP/IP protocol.
Wireless-G Broadband Router with SRX400 Chapter 2: Planning Your Wireless Network Network Topology A wireless local area network is exactly like a regular local area network (LAN), except that each computer in the wireless network uses a wireless device to connect to the network. Computers in a wireless network share the same frequency channel and SSID, which is an identification name shared by the wireless devices belonging to the same wireless network.
Wireless-G Broadband Router with SRX400 The Wireless-G Broadband Router is compatible with all 802.11b and 802.11g adapters, such as the notebook adapters for your laptop computers, PCI adapters for your desktop PCs, and USB adapters when you want to enjoy USB connectivity. The Router will also communicate with the Wireless-G PrintServer, as well as 802.11b and 802.11g wireless Ethernet bridges.
Wireless-G Broadband Router with SRX400 Chapter 3: Getting to Know the Wireless-G Broadband Router with SRX400 The Router’s Ports and Reset Button The Router's ports and Reset button are located on one of the side panels. port: the connection point on a computer or networking device used for plugging in cables or adapters Figure 3-1: The Router’s Side Panel ETHERNET 1, 2, 3, 4 Color-coded yellow, these ports connect the Router to PCs and other Ethernet devices on your network.
Wireless-G Broadband Router with SRX400 The Router’s LEDs The Router’s LEDs, which displays information about network activity, are located on another side panel. Figure 3-2: The Router’s LEDs POWER ETHERNET 1, 2, 3, 4 Green. The POWER LED lights up and will stay on while the Router is powered on. When the Router goes through its self-diagnostic mode during every boot-up, this LED will flash. When the diagnostic is complete, the LED will be solidly lit. Green.
Wireless-G Broadband Router with SRX400 Chapter 4: Connecting the Wireless-G Broadband Router with SRX400 Overview Linksys recommends using the Setup Wizard on the Setup CD-ROM for first-time installation of the Router. For advanced users, you may follow the instructions in this chapter, and then configure the Router through its Webbased Utility (refer to “Chapter 5: Configuring the Wireless-G Broadband Router”). Hardware Installation for Connection to Your Broadband Modem 1.
Wireless-G Broadband Router with SRX400 Placement Options There are three ways to place the Router. The first way is to place it horizontally on a surface, so it sits on its four rubber feet. The second way is to stand the Router vertically on a surface (this uses a stand). The third way is to mount it on a wall. The second and third options are explained in further detail below. Stand Option Figure 4-4: Router’s Stand 1.
Wireless-G Broadband Router with SRX400 Chapter 5: Configuring the Wireless-G Broadband Router Overview You should always use the Setup CD-ROM when first installing the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, you can use the Web-based Utility to configure the Router. For advanced users, you may configure the Router’s advanced settings through the Web-based Utility. This chapter will describe each web page in the Utility and each page’s key functions.
Wireless-G Broadband Router with SRX400 The Setup Tab - Basic Setup The first screen that appears displays the Setup tab. This allows you to change the Router's general settings. Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes. Internet Setup The Internet Setup section configures the Router to your Internet connection. Most of this information can be obtained through your ISP.
Wireless-G Broadband Router with SRX400 • Static IP. If you are required to use a permanent IP address to connect to the Internet, select Static IP. Internet IP Address. This is the Router’s IP address, when seen from the Internet. Your ISP will provide you with the IP Address you need to specify here. Subnet Mask. This is the Router’s Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask. Gateway.
Wireless-G Broadband Router with SRX400 • 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 Internet. Your ISP will provide you with the IP Address you need to specify here. Subnet Mask. This is the Router’s Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask. Gateway.
Wireless-G Broadband Router with SRX400 Optional Settings Some of these settings may be required by your ISP. Verify with your ISP before making any changes. Router Name. In this field, you can type a name of up to 39 characters to represent the Router. Host Name and Domain Name. These fields allow you to supply a host and domain name for the Router. Some ISPs, usually cable ISPs, require these names as identification.
Wireless-G Broadband Router with SRX400 Network Address Server Settings (DHCP) The settings allow you to configure the Router’s Dynamic Host Configuration Protocol (DHCP) server function. The Router can be used as a DHCP server for your network. A DHCP server automatically assigns an IP address to each computer on your network.
Wireless-G Broadband Router with SRX400 The Setup Tab - DDNS The Router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or other server behind the Router. Before you can use this feature, you need to sign up for DDNS service at www.dyndns.org, a DDNS service provider. DDNS DDNS Service. To use DDNS, select DynDNS.org.
Wireless-G Broadband Router with SRX400 The Setup Tab - MAC Address Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification. Some ISPs will require you to register a MAC address in order to access the Internet. If you do not wish to re-register the 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. MAC Enable/Disable.
Wireless-G Broadband Router with SRX400 The Setup Tab - Advanced Routing This tab is used to set up the Router’s advanced functions. NAT Mode allows you to select the type(s) of advanced functions you use. Static Routing sets up a fixed route to another network destination. Advanced Routing NAT Mode Select the mode in which this Router will function. If this Router is hosting your network’s connection to the Internet, select Enable.
Wireless-G Broadband Router with SRX400 Subnet Mask. The Subnet Mask determines which portion of a Destination LAN IP address is the network portion, and which portion is the host portion. Default Gateway. This is the IP address of the gateway device that allows for contact between the Router and the remote network or host. Interface.
Wireless-G Broadband Router with SRX400 The Wireless Tab - Basic Wireless Settings The basic settings for wireless networking are set on this screen. Wireless Network Wireless Network Mode. From this drop-down menu, you can select the wireless standards running on your network. If you have both 802.11g and 802.11b devices in your network, keep the default setting, Mixed. If you have only 802.11g devices, select G-Only. If you do not have any 802.11g and 802.11b devices in your network, select Disable.
Wireless-G Broadband Router with SRX400 The Wireless Tab - Wireless Security The Wireless Security settings configure the security of your wireless network. There are five wireless security mode options supported by the Router: WPA-Personal, WPA2 Personal, WPA Enterprise, WPA2 Enterprise, and WEP. (WPA stands for Wi-Fi Protected Access, WEP stands for Wired Equivalent Privacy, and WPA Enterprise uses a RADIUS (Remote Authentication Dial-In User Service) server.
Wireless-G Broadband Router with SRX400 WEP. WEP is a basic encryption method, which is not as secure as WPA or WPA2. 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 generate a WEP key using the Passphrase or enter the WEP key manually.
Wireless-G Broadband Router with SRX400 The Wireless Tab - Wireless MAC Filter Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network. Wireless MAC Filter Wireless MAC Filter. This screen lets you filter wireless users by MAC Address. If you do not wish to filter users by MAC Address, select Disable. Permit Only. Clicking this button will allow wireless access by computers with specified MAC Addresses.
Wireless-G Broadband Router with SRX400 The Wireless Tab - Advanced Wireless Settings This tab is used to set up the Router’s advanced wireless functions. These settings should only be adjusted by an expert administrator as incorrect settings can reduce wireless performance. Advanced Wireless Basic Rate Set. The Basic Rate is not the actual rate of data transmission; it is a series of rates at which the Router can transmit.
Wireless-G Broadband Router with SRX400 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 RTS threshold size, the RTS/CTS mechanism will not be enabled. The Router sends Request to Send (RTS) frames to a particular receiving station and negotiates the sending of a data frame.
Wireless-G Broadband Router with SRX400 The Security Tab - Firewall Use this screen to configure the firewall and VPN pass through settings. Firewall Firewall Protection. Enable this feature to employ Stateful Packet Inspection (SPI) for more detailed review of data packets entering your network environment. Block WAN Request Block WAN Ping.
Wireless-G Broadband Router with SRX400 The Access Restrictions Tab - Internet Access The Internet Access screen allows you to block or allow specific kinds of Internet usage and traffic, such as Internet access, designated services, websites, and inbound traffic during specific days and times. Internet Access Internet Access Policy. Access can be managed by a policy. Use the settings on this screen to establish an access policy (after the Save Settings button is clicked).
Wireless-G Broadband Router with SRX400 5. Click the appropriate option, Deny or Allow, depending on whether you want to block or allow Internet access for the PCs you listed on the List of PCs screen (shown in Figure 5-26). 6. Decide which days and what times you want this policy to be enforced. Select the individual days during which the policy will be in effect, or select Everyday. Then enter a range of hours and minutes during which the policy will be in effect, or select 24 Hours. 7.
Wireless-G Broadband Router with SRX400 The Applications and Gaming Tab - Port Range Forward The Applications and Gaming Tab 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.
Wireless-G Broadband Router with SRX400 The Applications and Gaming Tab - Port Triggering Port Triggering is used for special applications that can request a port to be opened on demand. For this feature, the Gateway will watch outgoing data for specific port numbers.
Wireless-G Broadband Router with SRX400 The Applications and Gaming Tab - 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. QoS (Quality of Service) Wireless ACK Mode. This setting prioritizes QoS for users who also have ACK Mode enabled. Users with Immediate ACK (the default setting) will experience reliable connectivity for normal network use.
Wireless-G Broadband Router with SRX400 Add a New Application Enter a Name Enter any name to indicate the name of the entry. Category Select from Port Range or MAC Address for the Router to use to set the bandwidth priority. Port Range If you selected Port Range, then this category will be available. It allows you to enter the port range that the application will be using. For example, if you want to allocate bandwidth for FTP, you can enter 21-21.
Wireless-G Broadband Router with SRX400 Remove This button allows you to remove the application entry. To remove the entry, click the Remove button. To save the configuration, click the Save Settings button. Otherwise, to cancel, click the Cancel Changes button. Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes.
Wireless-G Broadband Router with SRX400 The Administration Tab - Management This section of the Administration tab allows the network’s administrator to manage specific Router functions for access and security. Router Password Local Router Access Router Password and Re-enter to confirm. You can change the Router’s password from here. Enter a new Router password and then type it again in the Re-enter to confirm field to confirm. HTTPS Web Access Access Server.
Wireless-G Broadband Router with SRX400 Location. Enter the location of the Router. For example, you could include the name of the building, floor number, and room location, such as Head Office - Floor 5 - Networking 3. Get Community. Enter the password that allows read-only access to the Router’s SNMP information. The default name is public. Set Community. Enter the password that allows read/write access to the Router’s SNMP information. The default name is private. A name must be entered in this field.
Wireless-G Broadband Router with SRX400 The Administration Tab - Log When you click the Administration tab, you will see the Log screen. The Log screen provides you with options for system, Firewall, WAN Connection, and New Traffic logs of all incoming and outgoing URLs or IP addresses for your Internet connection. To enable the Router’s log function, click the Log button you want to enable and view the log. System Log Show System Log.
Wireless-G Broadband Router with SRX400 The Administration Tab - Diagnostics The diagnostic tests (Ping and Traceroute) allow you to check the connections of your network components. Ping Test Ping Parameters Ping Target IP or Domain Name, No. of Pings, and Packets Sent. The Ping test will check the status of a connection. To start the test, enter the IP address or domain name of the PC whose connection you wish to test, how many times you wish to test it, and the size of the packet for testing.
Wireless-G Broadband Router with SRX400 The Administration Tab - Factory Defaults Use this screen to reset the Router to its factory default settings. Factory Defaults Restore Factory Defaults. Click the Yes button to reset all configuration settings to their default values, and then click the Save Settings button. Any settings you have saved will be lost when the default settings are restored. This feature is disabled by default.
Wireless-G Broadband Router with SRX400 The Administration Tab - Config Management The Config Management screen allows you to backup the Router’s settings and restore them later. Backup Configuration Backup. Simply, click the Backup button and save the config file to your hard drive. Restore Configuration Please select a file to restore. When you wish to restore the configuration file, click the Browse button to locate the file. Then click the Restore button.
Wireless-G Broadband Router with SRX400 The Status Tab - Router The Router screen on the Status Tab displays the Router’s current status. Depending on the Router’s Internet connection type, the status information may differ. Router Information Firmware Version. This is the Router’s current firmware version. Loader Version. This shows the Router’s BIOS version. NAT. This shows if Network Address Translation (NAT) is enabled for Internet sharing. Current Time.
Wireless-G Broadband Router with SRX400 The Status Tab - Local Network The Local Network screen on the Status Tab displays the status of your 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. When the Router is using a Subnet Mask, it is shown here. DHCP Server. If you are using the Router as a DHCP server, that will be displayed here.
Wireless-G Broadband Router with SRX400 The Status Tab - Wireless The Wireless screen on the Status Tab displays the status of your wireless network. Wireless MAC Address. This is the Router’s MAC Address, as seen on your local, wireless network. Mode. As selected from the Wireless 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. Channel.
Wireless-G Broadband Router with SRX400 The Status Tab - System Performance The System Performance screen displays status information about network traffic for the Internet, wireless activities, and wired connectivity. System Performance Internet/Wireless Statistics for the network traffic on the Internet connection and wireless connectivity are shown in two separate columns. IP Address. The IP address of the Router’s interface is displayed here. MAC Address.
Wireless-G Broadband Router with SRX400 Packets Sent. The number of packets sent is displayed here. Bytes Received. The number of bytes received is shown here. Bytes Sent. The number of bytes sent is shown here. Error Packets Received. The number of error packets received is displayed here. Dropped Packets Received. The number of dropped packets received is displayed here. Click the Refresh button to update the on-screen information. Help information is shown on the right-hand side of the screen.
Wireless-G Broadband Router with SRX400 Appendix A: Troubleshooting This appendix consists of two parts: “Common Problems and Solutions” and “Frequently Asked Questions.” Provided are possible solutions to problems that may occur during the installation and operation of the Router. Read the descriptions below to help you solve your problems. If you can’t find an answer here, check the Linksys website at www.linksys.com. Common Problems and Solutions 1.
Wireless-G Broadband Router with SRX400 • 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. Select Use the following IP address option. 4.
Wireless-G Broadband Router with SRX400 • Refer to “Appendix D: Windows Help” for details. Make sure Obtain IP address automatically is selected in the settings. B Open a command prompt. For Windows 98SE and Me: • Click Start and Run. In the Open field, type command. Press the Enter key or click the OK button. For Windows 2000 and XP: • Click Start and Run. In the Open field, type cmd. Press the Enter key or click the OK button. In the command prompt, type ping 192.168.1.1 and press the Enter key.
Wireless-G Broadband Router with SRX400 6. I am not able to access the Setup page of the Router’s web-based utility. • Refer to “Problem #3, I want to test my Internet connection” to verify that your computer is properly connected to the Router. • Refer to “Appendix E: Finding the MAC Address and IP address for Your Ethernet Adapter” to verify that your computer has an IP Address, Subnet Mask, Gateway, and DNS.
Wireless-G Broadband Router with SRX400 8. I need to set up online game hosting or use other Internet applications. If you want to play online games or use Internet applications, most will work without doing any port forwarding or DMZ hosting. There may be cases when you want to host an online game or Internet application. This would require you to set up the Router to deliver incoming packets or data to a specific computer. This also applies to the Internet applications you are using.
Wireless-G Broadband Router with SRX400 Follow these steps to set DMZ hosting: 1. Access the Router’s web-based utility by going to http://192.168.1.1 or the IP address of the Router. Go to the Applications & Gaming => Port Forwarding tab. 2. Disable or remove the entries you have entered for forwarding. Keep this information in case you want to use it at a later time. 3. Go to the Applications & Gaming => DMZ tab. 4. Select Enable next to DMZ.
Wireless-G Broadband Router with SRX400 12. To start over, I need to set the Router to factory default. Hold the Reset button for 10 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 configuration. 13. My power LED will not stop flashing. Press and hold the reset button for five seconds. If this does not work, your firmware may be corrupted.
Wireless-G Broadband Router with SRX400 4. Click the Save Settings button to continue. • If your difficulties continue, change the Size to different values. Try this list of values, one value at a time, in this order, until your problem is solved: 1462 1400 1362 1300 17. When I enter a URL or IP address, I get a time-out error or am prompted to retry. • Check if other PCs work. If they do, ensure that your workstation’s IP settings are correct (IP Address, Subnet Mask, Default Gateway, and DNS).
Wireless-G Broadband Router with SRX400 20. I do not see a speed improvement while surfing wirelessly with my SRX equipment. • Your Internet connection is usually much slower than your wireless network with SRX equipment. This equipment will not affect the speed of your Internet connection. • You will see the most improvements in transferring or streaming files from one computer to another in your network. • Your network speed will slow down if you have mixed 802.11g and SRX clients.
Wireless-G Broadband Router with SRX400 such as DSL or cable modems, when only one TCP/IP address is provided by the ISP. The user may have many private addresses behind this single address provided by the ISP. Does the Router support any operating system other than Windows 98SE, Windows Millennium, Windows 2000, or Windows XP? Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of any non-Windows operating systems.
Wireless-G Broadband Router with SRX400 The web page hangs; downloads are corrupt, or nothing but junk characters are being displayed on the screen. What do I need to do? Force your Ethernet adapter to 10Mbps or half duplex mode, and turn off the “Auto-negotiate” feature of your Ethernet adapter as a temporary measure. (Please look at the Network Control Panel in your Ethernet adapter’s Advanced Properties tab.) Make sure that your proxy setting is disabled in the browser. Check our website at www.linksys.
Wireless-G Broadband Router with SRX400 If DMZ Hosting is used, does the exposed user share the public IP with the Router? No. Does the Router pass PPTP packets or actively route PPTP sessions? The Router allows PPTP packets to pass through. Is the Router cross-platform compatible? Any platform that supports Ethernet and TCP/IP is compatible with the Router.
Wireless-G Broadband Router with SRX400 What IEEE 802.11g features are supported? The product supports the following IEEE 802.11g functions: • CSMA/CA plus Acknowledge protocol • OFDM protocol • Multi-Channel Roaming • Automatic Rate Selection • RTS/CTS feature • Fragmentation • Power Management What IEEE 802.11b features are supported? The product supports the following IEEE 802.
Wireless-G Broadband Router with SRX400 selects the right access point and registers its address. Communications between end node and host computer can then be transmitted up and down the backbone. As the user moves on, the end node’s RF transmitter regularly checks the system to determine whether it is in touch with the original access point or whether it should seek a new one. When a node no longer receives acknowledgment from its original access point, it undertakes a new search.
Wireless-G Broadband Router with SRX400 practical purposes, this number is usually permanent. Unlike IP addresses, which can change every time a computer logs onto the network, the MAC address of a device stays the same, making it a valuable identifier for the network. How do I reset the Router? Press the Reset button on the back panel for about ten seconds. This will reset the Router to its default settings.
Wireless-G Broadband Router with SRX400 Appendix B: Wireless Security Linksys wants to make wireless networking as safe and easy for you as possible. The current generation of Linksys products provide several network security features, but they require specific action on your part for implementation. So, keep the following in mind whenever you are setting up or using your wireless network.
Wireless-G Broadband Router with SRX400 SSID. There are several things to keep in mind about the SSID: 1. Disable Broadcast 2. Make it unique 3. Change it often Most wireless networking devices will give you the option of broadcasting the SSID. While this option may be more convenient, it allows anyone to log into your wireless network. This includes hackers. So, don’t broadcast the SSID. Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is “linksys”.
Wireless-G Broadband Router with SRX400 WPA/WPA2 Personal. Select the type of algorithm, TKIP or AES, enter a password in the Personal Key field of 8-64 characters, and enter a Group Key Renewal time period between 0 and 7,200 seconds, which instructs the Router or other device how often it should change the encryption keys. WPA/WPA2 Enterprise. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS server is connected to the Router or other device.
Wireless-G Broadband Router with SRX400 Appendix C: Upgrading Firmware The Broadband Router's firmware is upgraded through the Web-based Utility's Administration tab. Follow these instructions: 1. Download the firmware from Linksys's website at www.linksys.com. 2. Extract the firmware file on your PC. 3. Click Firmware Upgrade from the Web-Utility's Administration tab, and the Upgrade Firmware screen, will appear. 4. Enter the location of the firmware's file or click the Browse button to find the file. 5.
Wireless-G Broadband Router with SRX400 Appendix D: Windows Help Almost all Linksys wireless products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier. These features can be accessed through Windows Help and are described in this appendix. TCP/IP Before a computer can communicate with the Broadband Router, TCP/IP must be enabled.
Wireless-G Broadband Router with SRX400 Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC filtering and/or MAC address cloning feature of the Router. You can also find the IP address of your computer’s Ethernet adapter. This IP address is used for the Router’s filtering, forwarding, and/or DMZ features.
Wireless-G Broadband Router with SRX400 Windows 2000 or XP Instructions 1. Click Start and Run. In the Open field, enter cmd. Press the Enter key or click the OK button. 2. At the command prompt, enter ipconfig /all. Then press the Enter key. 3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter. This appears as a series of numbers and letters. The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering.
Wireless-G Broadband Router with SRX400 Appendix F: Glossary This glossary contains some basic networking terms you may come across when using this product. For more advanced terms, see the complete Linksys glossary at http://www.linksys.com/glossary. Access Point - A device that allows wireless-equipped computers and other devices to communicate with a wired network. Also used to expand the range of a wireless network.
Wireless-G Broadband Router with SRX400 DMZ (Demilitarized Zone) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from the Internet. DNS (Domain Name Server) - The IP address of your ISP's server, which translates the names of websites into IP addresses. Domain - A specific name for a network of computers. Download - To receive a file transmitted over a network. DSL (Digital Subscriber Line) - An always-on broadband connection over traditional phone lines.
Wireless-G Broadband Router with SRX400 IP Address - The address used to identify a computer or device on a network. IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device. IPSec (Internet Protocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer. ISP (Internet Service Provider) - A company that provides access to the Internet. LAN - The computers and networking products that make up your local network.
Wireless-G Broadband Router with SRX400 RJ-45 (Registered Jack-45) - An Ethernet connector that holds up to eight wires. Roaming - The ability to take a wireless device from one access point's range to another without losing the connection. 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.
Wireless-G Broadband Router with SRX400 TKIP (Temporal Key Integrity Protocol) - a wireless encryption protocol that provides dynamic encryption keys for each packet transmitted. Topology - The physical layout of a network. TX Rate - Transmission Rate. Upgrade - To replace existing software or firmware with a newer version. Upload - To transmit a file over a network. URL (Uniform Resource Locator) - The address of a file located on the Internet.
Wireless-G Broadband Router with SRX400 Appendix G: Specifications Model WRT54GX4 Standards IEEE 802.3, IEEE 802.3u, IEEE 802.11g, IEEE 802.
Wireless-G Broadband Router with SRX400 Operating Temp. 0° C to 40° C (32° F to 104° F) Storage Temp.
Wireless-G Broadband Router with SRX400 Appendix H: Warranty Information LIMITED WARRANTY Linksys warrants to You that, for a period of three years (the “Warranty Period”), your Linksys Product will be substantially free of defects in materials and workmanship under normal use. Your exclusive remedy and Linksys' entire liability under this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any rebates.
Wireless-G Broadband Router with SRX400 Appendix I: Regulatory Information FCC Statement This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Wireless-G Broadband Router with SRX400 User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic Equipment (WEEE) This document contains important information for users with regards to the proper disposal and recycling of Linksys products.
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Dual-Band Wireless Access Point For more information, visit www.linksys.com.
Wireless-G Broadband Router with SRX400 Appendix J: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www.linksys.com or ftp.linksys.
