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Cisco Linksys WRV54G User Manual

Cisco Linksys WRV54G
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A Division of Cisco Systems, Inc.
®
Model No.
VPN Broadband Router
Wireless-G
WRV54G
User Guide
WIRELESS
GHz
2.4
802.11g

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Cisco Linksys WRV54G Specifications

General IconGeneral
ModelWRV54G
CategoryWireless Router
Wireless Standard802.11b/g
Frequency Band2.4 GHz
Maximum Wireless Speed54 Mbps
SecurityWEP, WPA, WPA2
VPN SupportYes
Antenna TypeExternal
Weight1.1 lbs
Ports4 x 10/100 Ethernet
Antenna2
FirewallSPI

Summary

Copyright and Trademarks

How to Use this Guide

Explains how to use the guide and identifies special symbols and definitions.

Chapter 1: Introduction

Welcome

Introduces the Wireless-G VPN Broadband Router and its capabilities.

What’s in this Guide?

Details the content covered in each chapter and appendix of the user guide.

Chapter 2: Planning your Wireless Network

The Router’s Functions

Explains the basic function of a router and its role in connecting networks.

IP Addresses

Defines IP addresses and explains static vs. dynamic assignment.

Dynamic IP Addresses

Describes how dynamic IP addresses are assigned by a DHCP server.

DHCP Servers

Explains the role of DHCP servers in assigning IP addresses automatically.

Why do I need a VPN?

Discusses the security risks of wireless networking and the need for VPNs.

What is a VPN?

Explains what a VPN is and its purpose in securing data transmission.

VPN Router to VPN Router

Describes how two VPN routers can establish a secure tunnel for network communication.

Computer to VPN Router

Explains how a computer with VPN client software can connect to a VPN router.

Chapter 3: Getting to Know the Wireless-G VPN Broadband Router

The Back Panel

Identifies and describes the ports and buttons on the back panel of the router.

The Front Panel

Explains the LEDs on the front panel and their meanings for network activity.

Chapter 4: Connecting the Wireless-G Broadband Router

Overview

Outlines the steps for setting up the router and configuring networked PCs.

Wired Connection to a PC

Provides step-by-step instructions for connecting the router to a PC using an Ethernet cable.

Wireless Connection to a PC

Provides step-by-step instructions for connecting the router to a PC wirelessly.

Chapter 5: Configuring the PCs

Overview

Guides on configuring computers to communicate with the router via IP addresses.

Configuring Windows 98 and Millennium PCs

Step-by-step instructions for configuring network settings on Windows 98/Me.

Configuring Windows 2000 PCs

Step-by-step instructions for configuring network settings on Windows 2000.

Configuring Windows XP PCs

Step-by-step instructions for configuring network settings on Windows XP.

Chapter 6: Configuring the Router

Overview

Introduces the router's web-based utility and key configuration screens.

Status

Displays information about the router and its local network connections.

How to Access the Web-based Utility

Instructions on how to access the router's configuration interface via a web browser.

The Setup Tab

Introduces the main setup tab for configuring internet and network settings.

Static Internet Connection

Configuration options for static IP internet connection types.

PPPoE Internet Connection

Configuration options for PPPoE internet connection types, common for DSL.

PPTP Internet Connection

Configuration options for PPTP internet connection types, mainly for Europe.

Network Setup

Details network setup configurations including Gateway, Local IP, and DHCP server settings.

The DDNS Tab

MAC Address Clone Tab

Advanced Routing Tab

Static Routing

The Wireless Tab

Basic Wireless Settings

Allows selection of wireless network mode, name (SSID), and channel.

Wireless Security

Explains WEP encryption and settings for securing the wireless network.

Wireless Network Access

Manages access to the wireless network by permitting or preventing specific MAC addresses.

Advanced Wireless Settings

The Security Tab

Firewall

Configures firewall protection, filters, and blocks anonymous requests.

VPN Configuration

Configures VPN passthrough settings and establishes secure VPN tunnels.

VPN PassThrough

Enables or disables IPSec, PPTP, and L2TP passthrough for VPN connections.

VPN Tunnel Setup

Details the process of creating and configuring secure VPN tunnels.

802.1x Authentication

The Access Restrictions Tab

The Applications and Gaming Tab

Port Range Forwarding

Sets up public services and specialized Internet applications by forwarding ports.

Port Triggering

Manages port triggering for special Internet applications with varying outgoing/incoming ports.

UPnP Forwarding

Configures port services for applications using Universal Plug and Play (UPnP).

DMZ Configuration

Exposes a local PC to the Internet for special-purpose services like gaming or videoconferencing.

The Administration Tab

Management Settings

Manages router access settings, password, and remote management features.

SNMP Functions

Configuration for Simple Network Management Protocol (SNMP) for network monitoring.

UPnP Configuration

Enables UPnP for automatic configuration of internet applications like gaming.

Log Management

Provides access to logs for incoming/outgoing URLs, IP addresses, and alerts.

Diagnostics

Tools for testing network connectivity, such as ping tests.

Factory Default Settings

Resets the router to its original factory default settings.

Firmware Upgrade Process

Instructions for upgrading the router's firmware to the latest version.

Status Information

Router Status

Displays information about the router, including hardware and software versions.

WAN Connections Status

Shows details of the WAN (Internet) connection, like IP address and gateway.

Local Network Status

Displays local network information, including IP, Subnet Mask, and DHCP client data.

Wireless Status

Shows wireless network information such as MAC Address, SSID, and encryption.

System Performance Metrics

Displays performance metrics for wireless, internet, and LAN connections.

Appendix A: Troubleshooting

Common Problems and Solutions

Provides solutions for common issues encountered during router installation and operation.

Setting a Static IP Address on a PC

Step-by-step guide to setting a static IP address for a PC on Windows 98/Me, 2000, and XP.

Testing Your Internet Connection

Instructions on how to test the internet connection by checking TCP/IP settings and pinging.

No Internet IP Address Troubleshooting

Troubleshooting steps for when the router fails to obtain an IP address from the ISP.

Accessing the Web Configuration Utility

Troubleshooting steps for accessing the router's web configuration interface.

VPN Not Working Troubleshooting

Troubleshooting steps for VPN connectivity issues with the router.

Setting Up a Public Server

Guide on setting up port forwarding for servers like web, FTP, or mail.

Online Game Hosting Setup

Instructions for setting up port forwarding for online games and applications.

Internet Game/Application Not Working

Troubleshooting for applications not working, suggesting DMZ hosting.

Password Issues Troubleshooting

How to reset the router password or resolve persistent password prompts.

PPPoE Proxy Settings Removal

Steps to disable proxy settings or dial-up pop-ups for PPPoE users.

Router Factory Default Reset

Instructions on how to perform a factory reset on the router.

Firmware Upgrade Guide

Guide on downloading and upgrading the router's firmware.

Failed Firmware Upgrade Troubleshooting

Troubleshooting steps for failed firmware upgrades and flashing Power LED.

URL/IP Address Timeout Error Troubleshooting

Troubleshooting steps for time-out errors or retries when accessing URLs or IP addresses.

Frequently Asked Questions

Common questions about router capabilities and limitations.

Router IP Address Support

Information on the router's IP address capacity.

IPSec Pass-Through Support

Confirms IPSec Pass-Through support.

Router Network Installation Location

Describes the typical network placement of the router.

IPX/AppleTalk Protocol Support

Clarifies support for protocols other than TCP/IP.

100Mbps Ethernet Connection Support

Details the router's Ethernet speed capabilities.

What is Network Address Translation?

Explains Network Address Translation (NAT) and its security benefits.

Non-Windows OS Support

Clarifies support for non-Windows operating systems.

ICQ Send File Support

Information on using ICQ file transfer with the router.

Unreal Tournament Server Issues

Troubleshooting for game server join issues, involving static IPs and port forwarding.

Simultaneous Gaming with Single IP

Discusses simultaneous gaming with a single public IP.

Half-Life: Team Fortress Configuration

Specific instructions for configuring Half-Life: Team Fortress with the router.

Corrupted FTP Downloads Troubleshooting

Tips for preventing corrupted FTP downloads.

Web Page Hangs/Corrupt Display Troubleshooting

Troubleshooting for web page hangs and corrupted display issues.

Final Installation Troubleshooting Steps

Last resort troubleshooting steps for failed installations.

Firmware Upgrade Notification

Information on how to find out about new router firmware updates.

Macintosh Environment Compatibility

Discusses router compatibility with Macintosh environments.

Web Configuration Screen Access Troubleshooting

Troubleshooting steps for accessing the router's web configuration screen.

Appendix B: Wireless Security

A Brief Overview

Provides an overview of wireless networking risks and security measures.

What Are The Risks?

Discusses the inherent risks associated with wireless networking.

Passive Attacks

Describes passive attacks where hackers listen to network broadcasts.

Jamming Attacks

Explains jamming attacks that can shut down wireless networks.

Active Attacks

Details active attacks hackers use to steal data or modify network settings.

Dictionary-Building or Table Attacks

Explains how network traffic analysis can be used to crack WEP keys.

Man-in-the-Middle Attacks

Describes attacks where hackers intercept communications by impersonating routers.

Maximizing Wireless Security

Provides tips and measures to enhance wireless network security.

Network Content Security

Advice on what data to host or access on a wireless network.

Network Layout Security

Guidance on optimal placement of wireless routers and access points.

Network Device Security

Emphasizes the importance of securing network device settings.

Administrator Password Security

Recommends changing and regularly updating administrator passwords.

SSID Security

Discusses securing the SSID by disabling broadcast, making it unique, and changing it.

MAC Address Filtering

Advises enabling MAC address filtering for enhanced network security.

Firewall Security

Explains using firewall technology to protect the wireless network.

WEP Security

Discusses Wired Equivalent Privacy (WEP) and its limitations for wireless security.

WEP Encryption Configuration

Details WEP encryption configuration, including key types and passphrases.

Appendix C: Configuring IPSec between a Windows 2000 PC and the Router

Introduction to IPSec Tunneling

Introduces establishing secure IPSec tunnels using preshared keys with Windows 2000/XP.

IPSec Environment Configuration Examples

Provides example IP addresses and subnet masks for illustration purposes.

How to Establish a Secure IPSec Tunnel

Guides on establishing secure IPSec tunnels.

Step 1: Create an IPSec Policy

Steps to create an IP security policy in Windows for IPSec tunneling.

Step 2: Build Filter Lists

Instructions for building IP filter lists to define traffic for IPSec rules.

Step 3: Configure Individual Tunnel Rules

Guides on configuring individual rules for IPSec tunnels between PCs and routers.

Step 5: Create a Tunnel Through the Web-Based Utility

Steps to create a VPN tunnel using the router's web-based utility.

Appendix D: Finding MAC and IP Addresses

Windows 98 or Me Instructions

Instructions for finding MAC and IP addresses on Windows 98/Me.

Windows 2000 or XP Instructions

Instructions for finding MAC and IP addresses on Windows 2000/XP.

Appendix E: SNMP Functions

Appendix F: Upgrading Firmware

Appendix G: Windows Help

TCP/IP Configuration via Windows Help

Explains the importance of TCP/IP for Windows networking and how to enable it.

Shared Resources via Windows Help

How Windows Help assists with sharing printers, folders, and files.

Network Neighborhood/My Network Places via Windows Help

How Windows Help assists with adding PCs to the network.

Appendix H: Glossary

Appendix I: Specifications

Appendix J: Regulatory Information

Appendix K: Warranty Information

Appendix L: Contact Information

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