Cisco Systems WRV54G manual Wireless-G VPN Broadband Router

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Wireless-G VPN Broadband Router

Buffer - A block of memory that temporarily holds data to be worked on later when a device is currently too busy to accept the data.

Cable Modem - A device that connects a computer to the cable television network, which in turn connects to the Internet.

CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) - A method of data transfer that is used to prevent data loss in a network.

CTS (Clear To Send) - A signal sent by a device to indicate that it is ready to receive data.

Daisy Chain - A method used to connect devices in a series, one after the other.

Database - A collection of data that is organized so that its contents can easily be accessed, managed, and updated.

DDNS (Dynamic Domain Name System) - The capability of having a website, FTP, or e-mail server-with a dynamic IP address-use a fixed 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 DHCP server, assign temporary IP addresses to the other network devices, typically computers.

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.

DSSS (Direct-Sequence Spread-Spectrum) - A type of radio transmission technology that includes a redundant bit pattern to lessen the probability of data lost during transmission. Used in 802.11b networking.

DTIM (Delivery Traffic Indication Message) - A message included in data packets that can increase wireless efficiency.

Appendix H: Glossary

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Contents 802 GHz .11g Wireless- G Copyright and Trademarks How to Use this GuideWord definition Table of Contents Frequently Asked Questions Wireless SecurityWelcome IntroductionWhat’s in this Guide? Wireless-G Broadband VPN Router What’s an IP Address? Planning your Wireless NetworkRouter’s Functions IP AddressesDhcp Dynamic Host Configuration Protocol Servers Why do I need a VPN?Dynamic IP Addresses What is a VPN? VPN Router to VPN Router Wireless-G VPN Broadband Router Back Panel Getting to Know the Wireless-G VPN Broadband RouterDMZ Front PanelOverview Connecting the Wireless-G Broadband RouterWireless Connection to a PC Wired Connection to a PCWireless-G VPN Broadband Router Configuring Windows 98 and Millennium PCs Configuring the PCsProperties Configuring Windows 2000 PCsConfiguring Windows XP PCs Setup Configuring the RouterWireless Applications & Gaming Access RestrictionsAdministration SecurityInternet Setup How to Access the Web-based UtilitySetup Tab Basic Setup TabStatic Internet Connection Type Pptp Internet Connection Type Optional Settings Required by some ISPsNetwork Setup DynDNS.org Ddns TabAdvanced Routing MAC Address Clone Tab See FigureAdvanced Routing Tab MAC Clone10 Routing Table Static RoutingBasic Wireless Settings See Figure Wireless TabWireless Network WEP See Figure Wireless Security13 Wireless Network Access Wireless Network Access See Figure15 Advanced Wireless Settings Advanced Wireless Settings See FigureFirewall Security TabVPN 18 Manual Key Management 19 Advanced VPN Tunnel Setup WEP Access Restriction Access Restrictions Tab23 Internet Filter Summary Port Range Forwarding Applications and Gaming Tab27 Port Triggering Port Triggering28 UPnP Forwarding UPnP ForwardingDMZ Router Password Administration TabManagement Syslog Notification LogUPnP Email AlertGeneral Log DiagnosticsNotification Queue Length Alert Log33 Factory Default WAN Connections StatusRouter Information36 Local Network Local NetworkSystem Performance 38 WirelessCommon Problems and Solutions Appendix a TroubleshootingNeed to set a static IP address on a PC Wireless-G VPN Broadband Router Wireless-G VPN Broadband Router Wireless-G VPN Broadband Router TCP UDP Can’t get the Internet game, server, or application to work Need to upgrade the firmware To start over, I need to set the Router to factory defaultFirmware upgrade failed, and/or the Power LED is flashing Power LED flashes continuously My DSL service’s PPPoE is always disconnectingDoes the Router support IPX or AppleTalk? Frequently Asked QuestionsWhere is the Router installed on the network? Is IPSec Pass-Through supported by the Router?Does the Router support ICQ send file? What is Network Address Translation and what is it used for?How can I block corrupted FTP downloads? How many ports can be simultaneously forwarded? What is DMZ Hosting?What are the advanced features of the Router? Is the Router cross-platform compatible?What is infrastructure mode? What is the Ieee 802.11g standard?What Ieee 802.11b features are supported? What is ad-hoc mode?What is WEP? What is ISM band?What is Spread Spectrum? What is DSSS? What is FHSS? And what are their differences?How do I resolve issues with signal loss? How do I reset the Router?Have excellent signal strength, but I cannot see my network Brief Overview Appendix B Wireless SecurityWhat Are The Risks? Jamming Attacks Passive AttacksMan-in-the-Middle Attacks Maximizing Wireless SecurityActive Attacks Dictionary-Building or Table Attacks5SSID 8WEP Wireless-G VPN Broadband Router Figure B-2 WEP 4GHz/802.11b and 802.11g WEP EncryptionWRV54G EnvironmentFilter List 1 win-router How to Establish a Secure IPSec TunnelCreate an IPSec Policy Build Filter ListsFigure C-4 IP Filter List Filter List 2 router-winFigure C-7 IP Filter List Tunnel 1 win-router Configure Individual Tunnel RulesFigure C-13 Authentication Methods Tunnel 2 router-win Figure C-16 Tunnel Setting TabFigure C-19 IP Filter List Tab Figure C-22 Preshared Key Figure C-25 Connection Type Assign New IPSec PolicyFigure C-28 VPN Tab Create a Tunnel Through the Web-Based UtilityWindows 98 or Me Instructions Figure D-1 IP Configuration ScreenFigure D-3 MAC Address/Physical Address Windows 2000 or XP InstructionsAppendix E Snmp Functions Appendix F Upgrading Firmware Figure F-1 Upgrade FirmwareShared Resources Appendix G Windows HelpNetwork Neighborhood/My Network Places Appendix H Glossary Wireless-G VPN Broadband Router Wireless-G VPN Broadband Router Wireless-G VPN Broadband Router Wireless-G VPN Broadband Router Wireless-G VPN Broadband Router Transmit Power 19dBm LEDs Appendix I SpecificationsUp to 54Mbps wireless, up to 100 Mbps LAN FCC Statement Appendix J Regulatory InformationFCC Part 68 Statement Safety Notices Limited Warranty Appendix K Warranty InformationAppendix L Contact Information