Cisco Systems WRV54G manual Wireless-G VPN Broadband Router

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Wireless-G VPN Broadband Router

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.

ISM band - Radio band used in wireless networking transmissions.

ISP (Internet Service Provider) - A company that provides access to the Internet.

LAN (Local Area Network) - The computers and networking products that make up the network in your home or office.

MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking device.

Mbps (Megabits Per Second) - One million bits per second; a unit of measurement for data transmission.

Multicasting - Sending data to a group of destinations at once.

NAT (Network Address Translation) - NAT technology translates IP addresses of a local area network to a different IP address for the Internet.

Network - A series of 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 Internet.

Node - A network junction or connection point, typically a computer or work station.

OFDM (Orthogonal Frequency Division Multiplexing) - A type of modulation technology that separates the data stream into a number of lower-speed data streams, which are then transmitted in parallel. Used in 802.11a, 802.11g, and powerline networking.

Packet - A unit of data sent over a network.

Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for Linksys products.

Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.

POP3 (Post Office Protocol 3) - A standard protocol used to retrieve e-mail stored on a mail server.

Port - 1. The connection point on a computer or networking device used for plugging in a cable or an adapter. 2. The virtual connection point through which a computer uses a specific application on a server.

Appendix H: Glossary

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Contents 802 GHz .11g Wireless- G How to Use this Guide Copyright and TrademarksWord definition Table of Contents Frequently Asked Questions Wireless SecurityWelcome IntroductionWhat’s in this Guide? Wireless-G Broadband VPN Router Router’s Functions Planning your Wireless NetworkIP Addresses What’s an IP Address?Why do I need a VPN? Dhcp Dynamic Host Configuration Protocol ServersDynamic 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 Configuring the Router SetupWireless Administration Access RestrictionsSecurity Applications & GamingSetup Tab How to Access the Web-based UtilityBasic Setup Tab Internet SetupStatic Internet Connection Type Pptp Internet Connection Type Optional Settings Required by some ISPsNetwork Setup DynDNS.org Ddns TabAdvanced Routing Tab MAC Address Clone Tab See FigureMAC Clone Advanced Routing10 Routing Table Static RoutingWireless Tab Basic Wireless Settings See FigureWireless 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 Administration Tab Router PasswordManagement UPnP LogEmail Alert Syslog NotificationNotification Queue Length DiagnosticsAlert Log General Log33 Factory Default Router StatusInformation WAN Connections36 Local Network Local NetworkSystem Performance 38 WirelessAppendix a Troubleshooting Common Problems and SolutionsNeed 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 To start over, I need to set the Router to factory default Need to upgrade the firmwareFirmware upgrade failed, and/or the Power LED is flashing Power LED flashes continuously My DSL service’s PPPoE is always disconnectingWhere is the Router installed on the network? Frequently Asked QuestionsIs IPSec Pass-Through supported by the Router? Does the Router support IPX or AppleTalk?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? What are the advanced features of the Router? What is DMZ Hosting?Is the Router cross-platform compatible? How many ports can be simultaneously forwarded?What Ieee 802.11b features are supported? What is the Ieee 802.11g standard?What is ad-hoc mode? What is infrastructure mode?What is Spread Spectrum? What is ISM band?What is DSSS? What is FHSS? And what are their differences? What is WEP?How do I reset the Router? How do I resolve issues with signal loss?Have excellent signal strength, but I cannot see my network Appendix B Wireless Security Brief OverviewWhat Are The Risks? Jamming Attacks Passive AttacksActive Attacks Maximizing Wireless SecurityDictionary-Building or Table Attacks Man-in-the-Middle Attacks5SSID 8WEP Wireless-G VPN Broadband Router Figure B-2 WEP 4GHz/802.11b and 802.11g WEP EncryptionWRV54G EnvironmentCreate an IPSec Policy How to Establish a Secure IPSec TunnelBuild Filter Lists Filter List 1 win-routerFigure 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 FirmwareAppendix G Windows Help Shared ResourcesNetwork 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 Appendix I Specifications Transmit Power 19dBm LEDsUp 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