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Cisco Systems WRT54GP2 manual What is ad-hoc mode?, What is infrastructure mode?, What is roaming?

Models: WRT54GP2

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Wireless-G Broadband Router with 2 Phone Ports 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 is ad-hoc mode?

When a wireless network is set to ad-hoc mode, the wireless-equipped computers are configured to communicate directly with each other. The ad-hoc wireless network will not communicate with any wired network.

What is infrastructure mode?

When a wireless network is set to infrastructure mode, the wireless network is configured to communicate with a wired network through a wireless access point.

What is roaming?

Roaming is the ability of a portable computer to communicate continuously while moving freely throughout an area greater than that covered by a single access point. Before using the roaming function, the user must make sure that the computer uses the same channel number that is used by the access point of the dedicated coverage area.

To achieve true seamless connectivity, the wireless LAN must incorporate a number of different functions. Each node and access point, for example, must always acknowledge receipt of each message. Each node must maintain contact with the wireless network even when not actually transmitting data. Achieving these functions

76	Appendix A: Troubleshooting
	Frequently Asked Questions

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Cisco Systems WRT54GP2 manual What is ad-hoc mode?, What is infrastructure mode?, What is roaming?

Contents

Broadband Router with 2 Phone Ports Wireless- GInstallation and Troubleshooting Guide VoI PCopyright and Trademarks How to Use this GuideWireless-G Broadband Router with 2 Phone Ports word definitionChapter 4 Connecting the Router Table of ContentsChapter 2 Planning Your Wireless Network Chapter 5 Configuring the RouterAppendix D Windows Help Appendix F SpecificationsAppendix G Warranty Information Appendix E GlossaryList of Figures Figure 5-32 Administration Tab - Log Wireless-G Broadband Router with 2 Phone Ports Chapter 1 IntroductionWelcome Chapter 1 IntroductionChapter 4 Connecting the Router What’s in this Guide?Wireless-G Broadband Router with 2 Phone Ports Chapter 5 Configuring the RouterWireless-G Broadband Router with 2 Phone Ports You also have other chapters available for referenceAppendix I Contact Information Wireless-G Broadband Router with 2 Phone PortsAppendix H Regulatory Information Chapter 1 IntroductionAd-Hoc versus Infrastructure Mode Chapter 2 Planning Your Wireless NetworkNetwork Topology Wireless-G Broadband Router with 2 Phone PortsChapter 2 Planning Your Wireless Network Network LayoutWireless-G Broadband Router with 2 Phone Ports Network LayoutThe Back Panel The Front Panel Wireless-G Broadband Router with 2 Phone PortsInternet Proceed to “Chapter 4 Connecting the Router.”Wireless-G Broadband Router with 2 Phone Ports Chapter 3 Getting to Know the RouterChapter 3 Getting to Know the Router Wireless-G Broadband Router with 2 Phone PortsThe Front Panel Wireless-G Broadband Router with 2 Phone Ports Chapter 4 Connecting the RouterOverview Chapter 4 Connecting the RouterConnection Instructions Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports Chapter 5 Configuring the RouterOverview Wireless-G Broadband Router with 2 Phone Ports SetupWireless SecurityVoice AdministrationWireless-G Broadband Router with 2 Phone Ports Applications & GamingWireless-G Broadband Router with 2 Phone Ports How to Access the Web-based UtilityStatus Internet Setup The Setup Tab - Basic SetupWireless-G Broadband Router with 2 Phone Ports Static IP Wireless-G Broadband Router with 2 Phone PortsPPPoE Wireless-G Broadband Router with 2 Phone Ports RAS for SingTelChapter 5 Configuring the Router The Setup Tab - Basic Setup Wireless-G Broadband Router with 2 Phone PortsPPTP Heart Beat Signal Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports Network SetupOptional Settings Router IPLocal IP Address. The default value is Network Address Server Settings DHCPWireless-G Broadband Router with 2 Phone Ports Subnet Mask. The default value isTime Setting The Setup Tab - DDNSWireless-G Broadband Router with 2 Phone Ports DynDNS.org Wireless-G Broadband Router with 2 Phone PortsDDNS TZO.comWireless-G Broadband Router with 2 Phone Ports The Setup Tab - MAC Address CloneMAC Clone The Setup Tab - Advanced Routing Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports Chapter 5 Configuring the Router The Setup Tab - Advanced RoutingThe Wireless Tab - Basic Wireless Settings Wireless-G Broadband Router with 2 Phone PortsFigure 5-15 Wireless Tab - Wireless Security WPA Pre-Shared Key The Wireless Tab - Wireless SecurityWireless-G Broadband Router with 2 Phone Ports Chapter 5 Configuring the RouterChapter 5 Configuring the Router Wireless-G Broadband Router with 2 Phone PortsThe Wireless Tab - Wireless Security The Wireless Tab - Wireless Network Access Wireless-G Broadband Router with 2 Phone PortsFigure 5-20 Advanced Wireless Settings The Wireless Tab - Advanced Wireless SettingsWireless-G Broadband Router with 2 Phone Ports Chapter 5 Configuring the RouterWireless-G Broadband Router with 2 Phone Ports Chapter 5 Configuring the Router The Security Tab - FilterWireless-G Broadband Router with 2 Phone Ports Filter IP Address RangeWireless-G Broadband Router with 2 Phone Ports Block WAN RequestsWireless-G Broadband Router with 2 Phone Ports The Security Tab - VPN PassthroughVPN Passthrough Wireless-G Broadband Router with 2 Phone Ports The Voice TabThe Applications & Gaming Tab - Port Range Forwarding Port Range Forwardingip internet protocol a protocol used to send data over a network Figure 5-26 Applications & Gaming Tab Port TriggeringWireless-G Broadband Router with 2 Phone Ports The Applications & Gaming Tab - UPnP ForwardingUPnP Forwarding Wireless-G Broadband Router with 2 Phone Ports FTP File Transfer Protocol. A protocol used to transfer files over a TCP/IP network Internet, UNIX, etc.. For example, after developing the HTML pages for a website on a local machine, they are typically uploaded to the web server using FTPWireless-G Broadband Router with 2 Phone Ports SNMP Simple Network Management Protocol. A widely used network monitoring and control protocol. Data is passed from SNMP agents, which are hardware and/or software processes reporting activity in each network device hub, router, bridge, etc. to the workstation console used to oversee the network. The agents return information contained in a MIB Management Information Base, which is a data structure that defines what is obtainable from the device and what can be controlled turned off, on, etcThe Applications & Gaming Tab - DMZ Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports The Applications & Gaming Tab - QoSApplication-based QoS Port-based QoS Wireless-G Broadband Router with 2 Phone PortsSpecific Port# fields Wireless-G Broadband Router with 2 Phone Ports Voice QoSRouter Password The Administration Tab - ManagementWireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Backup and RestoreUPnP The Administration Tab - Log Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports The Administration Tab - Factory DefaultsThe Administration Tab - Firmware Upgrade runs a networking deviceInformation The Status Tab - VoiceWireless-G Broadband Router with 2 Phone Ports Line1 StatusThe Status Tab - Router Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports The Status Tab - Local NetworkLocal Network Wireless The Status Tab - WirelessWireless-G Broadband Router with 2 Phone Ports Common Problems and Solutions Appendix A TroubleshootingWireless-G Broadband Router with 2 Phone Ports For Windows 98 and Millennium Wireless-G Broadband Router with 2 Phone Ports3. I need to set a static IP address on a PC For Windows Wireless-G Broadband Router with 2 Phone PortsFor Windows XP A. Click Start and Control Panel Wireless-G Broadband Router with 2 Phone Ports4. I want to test my Internet connection Wireless-G Broadband Router with 2 Phone Ports 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 selectedWireless-G Broadband Router with 2 Phone Ports If you get a reply, the computer is communicating with the RouterWireless-G Broadband Router with 2 Phone Ports 6. I am not able to access the Router’s Web-based Utility Setup page8. I need to set up a server behind my Router Wireless-G Broadband Router with 2 Phone PortsB. Enter any name you want to use for the Application Application EnabledWireless-G Broadband Router with 2 Phone Ports Start and EndWireless-G Broadband Router with 2 Phone Ports 10. I can’t get the Internet game, server, or application to workWireless-G Broadband Router with 2 Phone Ports 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 Address and IP Address for Your Ethernet Adapter” for details on getting an IP address14. My DSL service’s PPPoE is always disconnecting Wireless-G Broadband Router with 2 Phone Ports13. To start over, I need to set the Router to factory default For Microsoft Internet Explorer 5.0 or higherWireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports 1362 16. I need to use port triggeringHow do I make a phone call? Frequently Asked QuestionsWireless-G Broadband Router with 2 Phone Ports Can I make calls if my Internet connection is down?What is Network Address Translation and what is it used for? Wireless-G Broadband Router with 2 Phone PortsWhere is the Router installed on the network? Is IPSec Passthrough supported by the Router?How do I get Half-Life Team Fortress to work with the Router? Wireless-G Broadband Router with 2 Phone PortsHow can I block corrupted FTP downloads? Appendix A Troubleshooting Wireless-G Broadband Router with 2 Phone PortsFrequently Asked Questions Reset the Router by holding down the Reset button for approximately five seconds. Reset your cable or DSL modem by powering the unit off and then on. Contact your Internet phone service provider for assistance. Refer to “Appendix H Contact Information” for contact information Wireless-G Broadband Router with 2 Phone PortsIf all else fails in the installation, what can I do? What is DMZ Hosting?Does the Router pass PPTP packets or actively route PPTP sessions? Wireless-G Broadband Router with 2 Phone PortsWhat is the maximum number of VPN sessions allowed by the Router? Is the Router cross-platform compatible?What is the IEEE 802.11g standard? Wireless-G Broadband Router with 2 Phone PortsWhat is the IEEE 802.11b standard? What IEEE 802.11b features are supported?What is infrastructure mode? What is ad-hoc mode?What is roaming? What is Spread Spectrum? Wireless-G Broadband Router with 2 Phone PortsWhat is ISM band? Appendix A TroubleshootingWhat is WEP? Wireless-G Broadband Router with 2 Phone PortsWhat is DSSS? What is FHSS? And what are their differences? What is WPA?I have excellent signal strength, but I cannot see my network Wireless-G Broadband Router with 2 Phone PortsHow do I resolve issues with signal loss? How many channels/frequencies are available with the Router?Appendix A Troubleshooting Wireless-G Broadband Router with 2 Phone PortsFrequently Asked Questions Security Precautions Appendix B Wireless SecurityWireless-G Broadband Router with 2 Phone Ports Security Threats Facing Wireless Networks Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports There are several ways that WEP can be maximizedWireless-G Broadband Router with 2 Phone Ports WPA RADIUS. 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. First, select the type of WPA algorithm, TKIP or AES. Enter the RADIUS server’s IP Address and port number, along with 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 keysWireless-G Broadband Router with 2 Phone Ports Windows 98 or Me InstructionsAppendixCFindingtheMACAddressandIPAddressforYour Ethernet Adapter For the Router’s Web-based Utility Windows 2000 or XP InstructionsWireless-G Broadband Router with 2 Phone Ports TCP/IP Appendix D Windows HelpWireless-G Broadband Router with 2 Phone Ports Shared ResourcesWireless-G Broadband Router with 2 Phone Ports Appendix D Windows HelpWireless-G Broadband Router with 2 Phone Ports Appendix E GlossaryAppendix E Glossary Wireless-G Broadband Router with 2 Phone Ports Byte - A unit of data that is usually eight bits longDynamic IP Address - A temporary IP address assigned by a DHCP server Wireless-G Broadband Router with 2 Phone PortsAppendix E Glossary Wireless-G Broadband Router with 2 Phone Ports IP Internet Protocol - A protocol used to send data over a networkMulticasting - Sending data to a group of destinations at once Wireless-G Broadband Router with 2 Phone PortsAppendix E Glossary Wireless-G Broadband Router with 2 Phone Ports Router - A networking device that connects multiple networks togetherSSID Service Set IDentifier - Your wireless networks name Wireless-G Broadband Router with 2 Phone PortsAppendix E Glossary Wireless-G Broadband Router with 2 Phone Ports Upload - To transmit a file over a networkAppendix F Specifications Dimensions Appendix G Warranty Information Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports Appendix G Warranty InformationAppendix H Regulatory Information Wireless-G Broadband Router with 2 Phone PortsWireless-G Broadband Router with 2 Phone Ports Industry Canada CanadaAppendix I Contact Information Wireless-G Broadband Router with 2 Phone Ports Appendix I Contact Information