Linksys WCG200 - Wireless-G Cable Gateway Wireless Router User Manual
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Linksys WCG200 - Wireless-G Cable Gateway Wireless Router User Manual

2.4ghz wireless-g cable gateway
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®
A Division of Cisco Systems, Inc.
2.4
GHz
Wireless-G
802.11g

User Guide

Cable Gateway
WIRELESS
WCG200
Model No.

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Summary of Contents for Linksys WCG200 - Wireless-G Cable Gateway Wireless Router

  • Page 1: User Guide

    ® A Division of Cisco Systems, Inc. Wireless-G 802.11g User Guide Cable Gateway WIRELESS WCG200 Model No.
  • Page 2 Wireless-G Cable Gateway 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.

  • Page 3: Table Of Contents

    Wireless-G Cable Gateway Table of Contents Chapter 1: Introduction Welcome What’s in this Guide? Chapter 2: Planning Your Network The Gateway’s Functions IP Addresses Chapter 3: Getting to Know the Wireless-G Cable Gateway The Back Panel The Front Panel Chapter 4: Connecting the Wireless-G Cable Gateway Overview Wired Ethernet Connection to a Computer Wireless Connection to a Computer...
  • Page 4 Wireless-G Cable Gateway Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions Windows 2000 or XP Instructions Appendix D: Glossary Appendix E: Specifications Appendix F: Warranty Information Appendix G: Regulatory Information Appendix H: Contact Information...
  • Page 5 Wireless-G Cable Gateway List of Figures Figure 2-1: Network Figure 3-1: Back Panel Figure 3-2: Front Panel Figure 4-1: Cable Connection Figure 4-2: Ethernet Connection Figure 4-3: Power Connection Figure 4-4: Cable Connection Figure 4-5: Power Connection Figure 4-6: Cable Connection Figure 4-7: USB Connection Figure 4-8: Power Connection Figure 4-9: Add New Hardware Wizard...
  • Page 6 Wireless-G Cable Gateway Figure 5-2: Dynamic IP Figure 5-3: Static IP Figure 5-4: Basic Wireless Settings Figure 5-5: Press the SecureEasySetup Button on Only One Wireless Client Figure 5-6: WPA-Personal Security Enabled Figure 5-7: Wireless Security Figure 5-8: WPA-Personal Figure 5-9: WPA2-Personal Figure 5-10: WPA-Enterprise Figure 5-11: WPA2-Enterprise Figure 5-12: RADIUS...

  • Page 7: Chapter 1: Introduction

    Chapter 1: Introduction Welcome The Linksys Wireless-G Cable Gateway is the all-in-one solution for Internet connectivity in your home. The Cable Modem function gives you a blazing fast connection to the Internet, far faster than a dial-up, and without tying up your phone line.

  • Page 8: What's In This Guide

    Wireless-G Cable Gateway Use the instructions in this Guide to help you connect the Gateway, set it up, and configure it to bridge your different networks. These instructions should be all you need to get the most out of the Gateway. What’s in this Guide? •...
  • Page 9 • Appendix G: Regulatory Information This appendix supplies the regulatory information regarding the Gateway. • Appendix H: Contact Information This appendix provides contact information for a variety of Linksys resources, including Technical Support. Chapter 1: Introduction What’s in this Guide?

  • Page 10: Chapter 2: Planning Your Network

    Wireless-G Cable Gateway Chapter 2: Planning Your Network The Gateway’s Functions A Gateway is a network device that connects two networks together. In this instance, the Gateway connects your Local Area Network (LAN), or the group of computers in your home or office, to the Internet.
  • Page 11 Wireless-G Cable Gateway Since you use the Gateway to share your cable Internet connection, contact your ISP to find out if they have assigned a static IP address to your account. If so, you will need that static IP address when configuring the Gateway.

  • Page 12: Chapter 3: Getting To Know The Wireless-G Cable Gateway

    Wireless-G Cable Gateway Chapter 3: Getting to Know the Wireless-G Cable Gateway The Back Panel The Gateway’s buttons and ports, where network cables are connected, are located on the back panel. Figure 3-1: Back Panel On/Off Switch This switch is used for turning the Gateway on and off. Power The Power port is where you will connect the power adapter.

  • Page 13: The Front Panel

    Wireless-G Cable Gateway The Front Panel The Gateway's LEDs, which displays information about network activity, are located on the front panel. Figure 3-2: Front Panel Power Green or red. The green Power LED is solidly lit when the Gateway is powered on. If the LED lights up red, there is an error.

  • Page 14: Chapter 4: Connecting The Wireless-G Cable Gateway

    Wireless-G Cable Gateway Chapter 4: Connecting the Wireless-G Cable Gateway Overview To set up the Gateway, you will have to connect the Gateway to your Cable line, computers, and other network devices, as well as configure the Gateway with setting(s) provided by your Internet Service Provider (ISP). The installation technician from your ISP should have left the setup information for the Gateway with you after installing your broadband connection.

  • Page 15: Figure 4-2: Ethernet Connection

    Wireless-G Cable Gateway 3. Connect one end of an Ethernet network cable to one of the Ethernet ports (labeled 1-4) on the back of the Gateway, and the other end to an Ethernet port on a computer. Repeat this step to connect more computers, a switch, or other network devices to the Gateway.

  • Page 16: Wireless Connection To A Computer

    NOTE: After configuration, you should always has its SSID set to linksys (the Gateway’s default setting), and its encryption is disabled. After you have accessed the Gateway, you can change the Gateway and this computer’s adapter settings to match the your change the SSID from its default, linksys, and usual network settings.

  • Page 17: Wired Usb Connection To A Computer

    Wireless-G Cable Gateway Wired USB Connection to a Computer First, make sure that all the devices that you’ll be working with are powered down, including your PCs and the Gateway. 1. Connect the coaxial cable that is provided by your cable service provider to the Cable port that is on the back of the Gateway.

  • Page 18: Figure 4-9: Add New Hardware Wizard

    Wireless-G Cable Gateway Installing the USB Drivers for Windows 98 1. When the Add New Hardware Wizard window appears, insert the Setup CD into your CD-ROM drive and click Next. Figure 4-9: Add New Hardware Wizard 2. Select Search for the best driver for your device (Recommended) and click the Next button. Figure 4-10: Search for Driver 3.

  • Page 19: Figure 4-12: Select Updated Driver

    Wireless-G Cable Gateway 4. Windows will notify you that it has identified multiple drivers. Select The updated driver (Recommended) as the appropriate driver. Click the Next button. 5. Windows is now ready to install the driver. Click the Next button. 6.

  • Page 20: Figure 4-15: New Hardware Found

    Wireless-G Cable Gateway Installing the USB Driver for Windows Millennium 1. Start up your PC in Windows Millennium. Windows will detect new hardware connected to your PC. Insert the Setup CD into your CD-ROM drive. Figure 4-15: New Hardware Found 2.

  • Page 21: Figure 4-18: Found New Hardware

    Wireless-G Cable Gateway Installing the USB Driver for Windows 2000 1. Start up your PC. Windows will notify you that it has detected new hardware. Insert the Setup CD into the CD- ROM drive. Figure 4-18: Found New Hardware 2. When the Welcome to the Found New Hardware Wizard screen appears to confirm that the device has been identified by your PC, click Next.

  • Page 22: Figure 4-21: Cd-Rom Drives

    Wireless-G Cable Gateway 4. Windows will now search for the driver software. Select only CD-ROM drives and click the Next button. Figure 4-21: CD-ROM Drives 5. Windows will notify you that it has located the appropriate driver and is ready to install it. Click the Next button.

  • Page 23: Figure 4-24: Found New Hardware

    Wireless-G Cable Gateway Installing the USB Driver for Windows XP 1. Start up your PC. Windows will notify you that it has detected new hardware. Insert the Setup CD into the CD- ROM drive. Figure 4-24: Found New Hardware 2. When the Welcome to the Found New Hardware Wizard screen appears to confirm that the device has been identified by your PC, click the Next button.

  • Page 24: Figure 4-27: Driver Installation Complete

    Wireless-G Cable Gateway 4. When Windows has completed installing the driver, click the Finish button. 5. The Windows XP driver installation is complete. IMPORTANT: Make sure to contact your Cable ISP with the Gateway’s MAC address after the Gateway is powered on, so they can activate your account or you will not have Internet access. 6.

  • Page 25: Chapter 5: Configuring The Wireless-G Cable Gateway

    Wireless-G Cable Gateway Chapter 5: Configuring the Wireless-G Cable Gateway Overview Follow the steps in this chapter and use the Gateway’s web-based utility to configure the Gateway. This chapter HAVE YOU: Enabled TCP/IP on your computers? will describe each web page in the Utility and each page’s key functions. The utility can be accessed via your web computers communicate over the network with browser through use of a computer connected to the Gateway.
  • Page 26 Wireless-G Cable Gateway Access Restrictions • Website Blocking. You are allowed to filter website access on this screen. • Timed Access. This screen allows you to limit the days or hours of access to the network. • Filter Internet Traffic. You can filter or block ports from Internet access by IP address or port range on this screen.

  • Page 27: How To Access The Web-Based Utility

    Wireless-G Cable Gateway How to Access the Web-based Utility To access the web-based utility, launch Internet Explorer or Netscape Navigator, and enter the Gateway’s default IP address, 192.168.0.1, in the Address field. Then press Enter. A password request page will appear. (Non-Windows XP users will see a similar screen.) Leave the User Name field blank, and enter admin (the default password) in the Password field.

  • Page 28: Figure 5-3: Static Ip

    Wireless-G Cable Gateway • Default Gateway. Your ISP will provide you with the default Gateway Address, which is the ISP server’s IP address. • Primary DNS. (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS (Domain Name System) Server IP Address.

  • Page 29: The Wireless Tab

    It is case-sensitive and must not exceed 32 alphanumeric characters, which may be any keyboard character. Linksys recommends that you change the default SSID (linksys) to a unique name of your choice.

  • Page 30: Figure 5-6: Wpa-Personal Security Enabled

    Figure 5-6: WPA-Personal Security Enabled • Reset Security. If you want to reset the Gateway to its factory default wireless settings (SSID: linksys and wireless security disabled), then click the Reset Security button. After the Gateway’s SSID has been reset and its security disabled, you can click the SecureEasySetup button to configure your wireless network with a new SSID and Passphrase, or you can manually enter new settings on the Basic Wireless Settings and Wireless Security screens.

  • Page 31: Figure 5-8: Wpa-Personal

    Wireless-G Cable Gateway WPA-Personal. To use WPA-Personal, select WPA-Personal from the Security Mode drop-down menu. Select a method of encryption. Then enter a Passphrase and a Key Renewal period. • Encryption. WPA offers you two encryption methods, TKIP and AES, with dynamic encryption keys. Select the type of algorithm you want to use, TKIP or AES.

  • Page 32: Figure 5-10: Wpa-Enterprise

    Wireless-G Cable Gateway WPA-Enterprise. This option features WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS server is connected to the Gateway.) To use WPA-Enterprise, select WPA-Enterprise from the Security Mode drop-down menu. Select a method of encryption and your RADIUS settings. Then enter a Shared Secret key and a Key Renewal period.

  • Page 33: Figure 5-12: Radius

    WEP keys. It is case-sensitive and should not be longer than 32 alphanumeric characters. (This Passphrase function is compatible with Linksys wireless products only and cannot be used wep (wired equivalent privacy): a method of with Windows XP Zero Configuration.

  • Page 34: Figure 5-13: Wep

    WEP keys. It is case-sensitive and should not be longer than 32 alphanumeric characters. (This Passphrase function is compatible with Linksys wireless products only and cannot be used with Windows XP Zero Configuration. If you want to communicate with non-Linksys wireless products or Windows XP Zero Configuration, make a note of the WEP key you want to use, and enter it manually in the wireless client.) After you enter the Passphrase, click the Generate Keys button to create WEP keys.

  • Page 35: Figure 5-14: Wireless Network Access

    Wireless-G Cable Gateway Wireless Network Access Tab Wireless Network Access. If this function is enabled, only the computers on the list will be allowed access to the wireless network. To add a computer to the network, click Enable to enable the function. Then, enter the MAC addresses in the fields provided, You can also click the Select MAC Address From Networked Computers button.

  • Page 36: Figure 5-16: Advanced Wireless Settings

    Wireless-G Cable Gateway Advanced Wireless Settings Tab On this screen you can access the Advanced Wireless features, including Basic Data Rates, Control Tx Rates, Beacon Interval, DTIM Interval, Fragmentation Threshold, RTS Threshold, and Authentication Type. • Basic Data Rates. Select Min or All from the drop-down menu for rate. •...

  • Page 37: Figure 5-17: Wds Tab

    Wireless-G Cable Gateway WDS Tab Wireless Distribution System. This feature enables the Gateway to talk to a remote device within its range so it can retransmit the signal or it can enable a wireless connection between two wired networks. The other device(s) must support a compatible version of WDS bridging or WDS repeating.

  • Page 38: The Security Tab

    Wireless-G Cable Gateway The Security Tab Firewall On this screen, you can enable filters to block specific Internet data types and anonymous Internet requests. • Firewall Protection. Enable this feature to employ Stateful Packet Inspection (SPI) for more detailed review of data packets entering your network environment.

  • Page 39: Figure 5-19: Vpn

    Wireless-G Cable Gateway VPN Passthrough Tab Virtual Private Networking (VPN) is a security measure that basically creates a secure connection between two remote locations. The VPN screen allows you to configure your VPN settings to make your network more secure. VPN Passthrough •...

  • Page 40: The Access Restrictions Tab

    Wireless-G Cable Gateway The Access Restrictions Tab The Access Restrictions tab allows you to block or allow specific kinds of Internet usage. You can set up Internet access policies for specific computers and set up filters by using network port numbers. Website Blocking Tab Website/Keyword Blocking.

  • Page 41: Figure 5-23: Filter Internet Traffic

    Wireless-G Cable Gateway Filter Internet Traffic Tab This screen is used to filter or block ports from Internet access by IP address or Port Range. IP Address Range To set up a filter using IP addresses, enter the range of IP addresses you wish to filter in the Start and End fields. Users who have filtered IP addresses will not be able to access the Internet at all.

  • Page 42: The Applications And Gaming Tab

    Wireless-G Cable Gateway The Applications and Gaming Tab Port Range Forwarding The Port Forwarding screen sets 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.

  • Page 43: Figure 5-25: Port Triggering

    Wireless-G Cable Gateway 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. The Gateway will remember the IP address of the computer that sends a transmission requesting data, so that when the requested data returns through the Gateway, the data is pulled back to the proper computer by way of IP address and port mapping rules.

  • Page 44: The Administration Tab

    Wireless-G Cable Gateway The Administration Tab Security Tab The Security screen allows you to change the Gateway’s access settings as well as configure the UPnP (Universal Plug and Play) and Reporting features. Security To ensure the Gateway’s security, you will be asked for your password when you access the Gateway’s Web- based Utility.

  • Page 45: Figure 5-28: Ping Test

    Wireless-G Cable Gateway To send the logs, click the E-mail Log button. To clear the log entries displayed on this screen, click the Clear Log button. When finished making your changes on this tab, click the Save Settings button to save these changes, or click the Cancel Changes button to undo your changes.

  • Page 46: The Status Tab

    Wireless-G Cable Gateway Advanced On this screen you can restore factory defaults or disable NAT and routing functions of the Gateway. Restore Factory Defaults. If you wish to restore the Gateway to its factory default settings and lose all your settings, click Yes.

  • Page 47: Figure 5-31: Connection

    Wireless-G Cable Gateway Status The Internet connection status information is displayed. This section indicates the System Up Time, Network Access, WAN IP Address, Subnet Mask, Gateway IP Address, DNS server(s), WAN DHCP IP Address Lease, and WAN DHCP IP Expiration. System Up Time.

  • Page 48: Figure 5-32: Local Network

    Wireless-G Cable Gateway Local Network This feature is used to release a DHCP client from the server. Select the DHCP Client whose IP address that you want to release, and then click the Release button. Click the Refresh button to refresh the on-screen information. Figure 5-32: Local Network Modem Log The Modem log displays a log of Modem activity.

  • Page 49: Appendix A: Troubleshooting

    Provided are possible solutions to problems that may occur during the installation and operation of the Gateway. 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.
  • Page 50 Wireless-G Cable Gateway 7. Toward the bottom of the window, select Use the following DNS server addresses, and enter the Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its website to find the information. 8.
  • Page 51 Wireless-G Cable Gateway • Make sure that your PC is using an IP address within the default range of 192.168.0.2 to 192.168.0.254 and thus compatible with the Gateway default IP Address of 192.168.0.1 • Also, the Subnet Mask should be set to 255.255.255.0 to match the Gateway. For the Gateway, you can check these settings by using Control Panel-Network to check the Properties for the TCP/IP protocol.

  • Page 52: Frequently Asked Questions

    Does the Gateway 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. Does the Gateway support ICQ send file? Yes, with the following fix: click ICQ menu ->...
  • Page 53 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.com for more information. If all else fails in the installation, what can I do? Reset the Gateway by holding down the reset button until the Power LED fully turns on and off.
  • Page 54 Wireless-G Cable Gateway want to use DMZ Hosting. To get the LAN IP address, see “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter.” If DMZ Hosting is used, does the exposed user share the public IP with the Gateway? Does the Gateway pass PPTP packets or actively route PPTP sessions? The Gateway allows PPTP packets to pass through.
  • Page 55 Wireless-G Cable Gateway What is a MAC Address? The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any Ethernet networking device, such as a network adapter, that allows the network to identify it at the hardware level. For all practical purposes, this number is usually permanent.

  • Page 56: Appendix B: Wireless Security

    Wireless-G Cable Gateway 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.
  • Page 57 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”.) Hackers know these defaults and can check these against your network. Change your SSID to something unique and not something related to your company or the networking products you use.
  • Page 58 These security recommendations should help keep your mind at ease while you are enjoying the most flexible and convenient technology Linksys has to offer. Appendix B: Wireless Security Security Threats Facing Wireless Networks...

  • Page 59: Appendix C: Finding The Mac Address And Ip Address For Your Ethernet Adapter

    Wireless-G Cable Gateway Appendix C: 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 feature of the Gateway. You can also find the IP address of your computer’s Ethernet adapter. This IP address is used for the Gateway’s filtering, forwarding, and/or DMZ features.

  • Page 60: Windows 2000 Or Xp Instructions

    Wireless-G Cable Gateway 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. NOTE: The MAC address is also called the Physical Address. 2. At the command prompt, enter ipconfig /all. Then press the Enter key. 3.

  • Page 61: Appendix D: Glossary

    Wireless-G Cable Gateway Appendix D: Glossary 802.11a - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GHz. 802.11b - An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.
  • Page 62 Wireless-G Cable Gateway 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.
  • Page 63 Wireless-G Cable Gateway Dynamic IP Address - A temporary IP address assigned by a DHCP server. Encryption - Encoding data to prevent it from being read by unauthorized people. Ethernet - An IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium.
  • Page 64 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.
  • Page 65 Wireless-G Cable Gateway PPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication (username and password) in addition to data transport. PPTP (Point-to-Point Tunneling Protocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be tunneled through an IP network.
  • Page 66 Wireless-G Cable Gateway TCP/IP (Transmission Control Protocol/Internet Protocol) - A network protocol for transmitting data that requires acknowledgement from the recipient of data sent. Telnet - A user command and TCP/IP protocol used for accessing remote computers. TFTP (Trivial File Transfer Protocol) - A version of the TCP/IP FTP protocol that uses UDP and has no directory or password capability.

  • Page 67: Appendix E: Specifications

    Wireless-G Cable Gateway Appendix E: Specifications Standards DOCSIS 1.0, DOCSIS 1.1 Certified, DOCSIS 2.0 Certified, 802.11g, 802.11b Ports 4 RJ-45 10/100, 1 USB, 1 Female Coax F-Connector Buttons Power ON/OFF switch, Reset Cabling Type CAT5, USB, Coax LEDs Power, DS, US, Online, Ethernet, USB, Wireless Security WPA, WPA2, WEP, MAC address filtering, SPI Firewall, SecureEasySetup...

  • Page 68: Appendix F: Warranty Information

    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.

  • Page 69: Appendix G: Regulatory Information

    Canadian regulations. EC DECLARATION OF CONFORMITY (EUROPE) Linksys declares that this product conforms to the specifications listed below, following the provisions of the European R&TTE directive 1999/5/EC: EN 301 489-1, 301 489-17 General EMC requirements for Radio equipment.
  • Page 70 Linksys vakuuttaa täten että dieses produkt tyyppinen laite on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien näiden direktiivien muiden ehtojen mukainen. Linksys Group déclare que le produit est conforme aux conditions essentielles et aux dispositions relatives à la directive 1999/5/EC.

  • Page 71: Appendix H: Contact Information

    Can't find information about a product you want to buy on the web? Do you want to know more about networking with Linksys products? Give our advice line a call at: 800-546-5797 (LINKSYS) Or fax your request in to:...

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