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THOMSON Network Router User Manual

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Internet On/Off
Eth1.
Eth2.
Eth3.
Eth4.
WLAN/USB
Power
DS
US
ONLINE
PC Link
Wireless Cable Gateway
User's Guide

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  • Page 1 Internet On/Off Eth1. Eth2. Eth3. Eth4. WLAN/USB Power ONLINE PC Link Wireless Cable Gateway User’s Guide...

  • Page 2: Safety Information

    Safety Information CAUTION Disconnect power before servicing. CABLE INSTALLER: This reminder is provided to call your attention to Article 820-40 of the National Electrical Code (Section 54 of the Canadian Electrical Code, Part 1) which provides guidelines for proper grounding and, in particular, specifi...

  • Page 3: Table Of Contents

    Table of Contents Chapter 1: Connections and Setup Introduction ...4 Wireless Cable Gateway Features ... 4 What’s on the CD-ROM ... 5 Computer Requirements ... 6 Wireless Cable Gateway Overview ...6 Important Information ... 7 System Overview ...8 Understanding the Wireless Cable Gateway ...8 Your PC: Installing a PC Network Card ...9 Your PC: Installing a TCP/IP Stack ...10 Your PC: Confi...
  • Page 4 Table of Contents Chapter 3: Ad vanced Con fi g u ra tion Advanced User Con fi g u ra tion ...29 Status Web Page Group ...30 Software Web Page ...30 Connection Web Page ...31 Password Web Page ...32 Event Log Web Page ...33 Diagnostics Web Page ...33 Network Basic Web Page Group ...34 WAN Web Page ...34...
  • Page 5 Table of Contents Wireless Web Pages Group ...46 Performance ...46 Authentication ...46 Privacy ...47 802.11b/g Basic Web Page ...47 802.11b/g Privacy Web Page ...49 802.11b/g Advanced Web Page ...53 802.11b/g Access Control Web Page ...55 Determining WiFi MAC Address ...56 Bridging Web Page ...58 Chapter 4: Ad di tion al In for ma tion Troubleshooting ...59...

  • Page 6: Chapter 1: Connections And Setup

    Chapter 1: Connections and Setup Introduction Wireless Cable Gateway Features Thank you for purchasing the DCW725 Wireless Cable Gateway. This device delivers the highest performance in data over cable technology. Ideal for home and small business users, this easy- to-use communication device offers reliable connectivity as well as remarkable data transfer rates –...

  • Page 7: What's On The Cd-Rom

    What’s on the CD-ROM If you connect a PC using the USB port on your gateway, you’ll need the USB drivers found on the CD-ROM. CD-ROM Contents: • Electronic copy of this user’s guide (.pdf format) • Adobe Acrobat Reader — application you can load to read .pdf format, if you don’t have it loaded already •...

  • Page 8: Computer Requirements

    Chapter 1: Connections and Setup Computer Requirements • USB 1.0 or 1.1 (PC only), Ethernet (10/100), 802.11b or g • A TCP/IP network protocol for each machine • A network cable with RJ-45 connector for Ethernet connection • Microsoft Internet Explorer 4.0 or later, or Netscape Navigator 4.0 or later. (5.0 and 4.7 or later, respectively, are strongly recommended.) •...

  • Page 9: Important Information

    • The Internet Service Provider (ISP): Your cable company provides you access to an Internet Service Provider (ISP). The ISP is your gateway to the Internet. It provides you with a pipeline to access Internet content on the World Wide Web (WWW). Check with your cable company to make sure you have everything you need to begin;...

  • Page 10: System Overview

    Chapter 1: Connections and Setup System Overview The Wireless Cable Gateway is connected between your cable company and the PCs within your home, as pictured previously in the Wireless Cable Gateway Overview. The connection to the cable company is made by a coaxial cable, and is referred to as the WAN (Wide Area Network) side of your Wireless Cable Gateway.

  • Page 11: Your Pc: Installing A Pc Network Card

    Your PC: Installing a PC Network Card If your PC does not already support Ethernet or USB, you must install a network interface card. Following is an example setup procedure: 1. Install an Ethernet card on your motherboard, following the card’s directions. 2.

  • Page 12: Your Pc: Installing A Tcp/Ip Stack

    Chapter 1: Connections and Setup Your PC: Installing a TCP/IP Stack Follow these instructions to install the TCP/IP protocol stack on one of your PCs only after a network card has been successfully installed inside the PC. These instructions are for Windows Me. For TCP/IP setup under Windows NT, 2000, and XP, refer to your Windows documentation.
  • Page 13 Fig. 4 Fig. 5 Chapter 1 Chapter 1: Connections and Setup 7. After a few seconds, the main Network window will appear. The TCP/IP Protocol should now be listed. 8. Click the OK button again. Windows may ask you for the original Windows installation disk or additional fi...

  • Page 14: Your Pc: Confi Guring Dhcp On A Tcp/Ip Stack On A Pc

    Chapter 1: Connections and Setup Your PC: Confi guring DHCP on a TCP/IP Stack on a PC These instructions will help you confi gure each of your computers to be able to communicate with the gateway to obtain an IP (or TCP/IP) address automatically (called DHCP, Dynamic Host Confi...

  • Page 15: Confi Guring Windows Me Pcs

    Fig. 6 Fig. 7 Chapter 1 Chapter 1: Connections and Setup Confi guring Windows Me PCs 1. Go to the Network screen by clicking the Start button. Click Settings and then Control Panel. From there, double-click the Network icon. 2. On the Confi guration tab, select the TCP/IP line for the applicable Ethernet adapter.

  • Page 16: Confi Guring Windows 2000 Pcs

    Chapter 1: Connections and Setup Confi guring Windows 2000 PCs 1. Go to the Network screen by clicking the Start button. Click Settings and then Control Panel. From there, double-click the Network and Dial-up Connections icon. 2. Select the Local Area Connection icon for the applicable Ethernet adapter (it’s usually the fi...

  • Page 17: Connecting Your Devices

    Connecting Your Devices 1. Before you begin, make sure that all of your hardware is powered off, including the gateway, PCs, hubs, and switches. 2. Connect one end of an Ethernet cable to one of the LAN ports (labeled 1, 2, 3, or 4) on the back of the gateway and the other end to a standard port on a network device, e.g., a PC, print server, hub, or switch.

  • Page 18: Mandatory User Confi Guration

    Chapter 1: Connections and Setup When the Online LED is lit solid, all gateway initialization and startup steps have been completed successfully, and the gateway should be capable of providing connectivity between your PCs on the gateway LAN-side and your cable operator on the gateway WAN-side.
  • Page 19 3. This step is not required with most installations. However, based on setup instructions from your cable company, you may need to enter the following information. To enter it, navigate to the Network – WAN gateway web page by clicking Network at the top of the page, then click WAN (on the left side of the page).
  • Page 20 Chapter 1: Connections and Setup Some examples of Internet-sharing software are Internet LanBridge, Wingate, ICS, and Sygate. To disable your Internet-sharing software: • If you are running Netscape Navigator: Click Edit >> Preference >> Advanced >> Proxies >, and click Direct Connection to the Internet. •...

  • Page 21: Chapter 2: Networking Communications

    Communications Data communication involves the fl ow of packets of data from one device to another. These devices include personal computers, Ethernet and USB hubs, cable modems, digital routers and switches, and highly integrated devices that combine functions, like the Wireless Cable Gateway. The gateway integrates the functionality often found in two separate devices into one.
  • Page 22 Chapter 2: Networking Example: The Wireless Cable Gateway offers a number of built-in web pages which you can use to confi gure its networking side; when you communicate with the networking side, your communication is following this path. Each packet on the Internet addressed to a PC in your home travels from the Internet down- stream on the cable company’s system to the WAN side of your Wireless Cable Gateway.
  • Page 23 Chapter 2: Networking address by various means, including a DHCP server, by you directly entering it, or sometimes by a PC generating one of its own. Ethernet requires that each TCP/IP stack on the Wireless Cable Gateway also have associated with it an Ethernet MAC (Media Access Control) address.
  • Page 24 Chapter 2: Networking Cable Modem (CM) Mode Fig. 12 Internet 111.111.1.11 Fig. 13 Cable Operator Wireless Cable Gateway behaves as a bridge Cable RJ 45 Wireless Cable Gateway CPE 1 111.111.2.11 CM/Networking IP Stack 1 IP Stack 2 111.111.1.11 192.168.100.1 CM Mode CPE 2 CPE 3...
  • Page 25 CM (Cable Modem) Mode provides basic home networking. In this mode, two IP stacks are active: • IP Stack 1 - for use by the cable company to communicate with the cable modem section only. This stack receives its IP address from the cable company during CM initialization. It uses the MAC address printed on the label attached to the Wireless Cable gateway.
  • Page 26 Chapter 2: Networking Residential Gateway (RG) Mode Internet 111.111.1.11 Fig. 14 Fig. 15 Cable Operator Cable RJ 45 3360 Wireless Cable Gateway CPE 1 192.168.0.2 IP Stack 3 IP Stack 1 111.111.2.11 111.111.1.11 RG & CH Modes Wireless Cable Gateway behaves as a gateway CPE 2 CPE 3...
  • Page 27 RG (Residential Gateway) Mode provides basic home networking plus NAT (Network Address Translation). In this mode, three IP stacks are active: • IP Stack 1 - for use by the cable company to communicate with the Cable Modem section only. This stack receives its IP address from the cable company during CM initialization. It uses the MAC address printed on the label attached to the Wireless Cable Gateway.
  • Page 28 Chapter 2: Networking CableHome (CH) Mode IP Stack 1 111.111.1.11 Fig. 16 CH (CableHome) Mode provides all the functionality of RG mode and adds the ability of the cable company to control the home networking confi guration of your Wireless Cable Gateway for you, so you don’t need to perform the confi...

  • Page 29: Usb Mac Address

    • IP Stack 4 - for use by you to remotely (i.e. from somewhere on the WAN side, such as at your remote workplace) communicate with the Cable Modem and Networking sections, to remotely access the internal web page diagnostics and confi guration. This stack is also used by your cable company to deliver packets between the Internet and the Wireless Cable Gateway’s Networking section so they can be routed to/from your PCs.

  • Page 30: Mac And Ip Addresses Summary

    Chapter 2: Networking MAC and IP Addresses Summary This table summarizes all the MAC and IP addresses that may be associated with the TCP/IP communication stacks and USB handling in your Wireless Cable Gateway. The ones actually used depend upon your gateway Operating Mode, as explained above. At minimum, your cable company will need to know the MAC address associated with IP Stack 1, which is the MAC address shown on the modem label.

  • Page 31: Chapter 3: Advanced Confi Guration

    Chapter 3: Advanced Confi guration Advanced User Confi guration The Wireless Cable Gateway offers local management capability through a built in HTTP server and a number of diagnostic and confi guration web pages. These pages are available from http://192.168.0.1 in RG and CH modes, and http://192.168.100.1 in CM Mode. Not all pages are available in some modes.

  • Page 32: Status Web Page Group

    Chapter 3: Advanced Confi guration Status Web Page Group Software Web Page (Fig. 17) The Information section of this page provides hardware and software information about your gateway that may be useful to your cable company. You can view your operating software version but not change it.

  • Page 33: Connection Web Page

    Chapter 3: Advanced Confi guration Connection Web Page (Fig. 18) This page reports diagnostic information about the initialization and operating status of your gateway that can be useful at the time of installation. It can also be useful to your cable company’s support technician if you’re having problems.

  • Page 34: Password Web Page

    Chapter 3: Advanced Confi guration Password Web Page (Fig. 19) This page is used to set a password that enables you to access all the gateway internal web pages. The password can be a maximum of 8 characters and is case sensitive. In addition, this page can be used to restore the gateway to its original factory settings.

  • Page 35: Event Log Web Page

    Chapter 3: Advanced Confi guration Event Log Web Page (Fig. 20) This page provides diagnostic information regarding the cable modem section of your gateway that may be useful to your cable company if you are having startup or operation issues. As long as your gateway startup and operational performance is normal, any messages contained in this log can be ignored.

  • Page 36: Network Basic Web

    Chapter 3: Advanced Confi guration Network Web Page Group WAN Web Page (Fig. 22) This page gives you the ability to enter some data your cable company may require, as explained before in Mandatory User Confi guration. In addition, it enables you to view your WAN side IP address and lease information.

  • Page 37: Lan And Computers Web

    Chapter 3: Advanced Confi guration LAN and Computers Web Pages (Fig. 23 and 24) These pages give you the ability to activate and deactivate the DHCP server function of your gateway, and, if the DHCP server is activated, to see DHCP leases it has provided. With this function activated, your cable company’s DHCP server provides one IP address for your gateway, and your gateway’s DHCP server provides IP addresses, starting at the address you set in IP Address on the LAN page, to your PCs.

  • Page 38: Advanced Web Page Group

    Chapter 3: Advanced Confi guration Advanced Web Page Group Options Web Page (Fig. 25) This page allows you to enable/disable some features of the Wireless Cable Gateway. Check WAN Blocking and then click Apply to prevent others on the WAN side from being able to ping your gateway.

  • Page 39: Ip Filtering Web Page

    Chapter 3: Advanced Confi guration Check Multicast Enable and then click Apply to enable multicast traffi c to pass WAN <=> LAN. You may need to enable this to see some types of broadcast streaming and content on the Internet, such as webcasting of a popular live event. IP Filtering Web Page (Fig.

  • Page 40: Port Filtering Web Page

    Chapter 3: Advanced Confi guration Port Filtering Web Page (Fig. 28) This page enables you to enter ranges of destination ports (applications) that you don’t want your LAN PCs to send packets to. Any packets your LAN PCs send to these destination ports will be blocked.

  • Page 41: Forwarding Web Page

    Chapter 3: Advanced Confi guration Forwarding Web Page (Fig. 29) For LAN <=> WAN communications, the gateway normally only allows you to originate an IP connection with a PC on the WAN; it will ignore attempts of the WAN PC to originate a connection onto your PC.

  • Page 42: Port Triggers Web Page

    Chapter 3: Advanced Confi guration Port Triggers Web Page (Fig. 30) Some Internet activities, such as interactive gaming, require that a PC on the WAN side of your gateway be able to originate connections during the game with your game playing PC on the LAN side.

  • Page 43: Dmz Host Web Page

    Chapter 3: Advanced Confi guration DMZ Host Web Page (Fig. 31) Use this page to designate one PC on your LAN that should be left accessible to all PCs from the WAN side, for all ports. For example, if you put an HTTP server on this machine, anyone will be able to access that HTTP server by using your gateway IP address as the destination.

  • Page 44: Routing Information Protocol Setup Web Page

    Chapter 3: Advanced Confi guration Routing Information Protocol Setup Web Page (Fig. 32) This feature enables the gateway to be used in small business situations where more than one LAN (local area network) is installed. The RIP protocol provides the gateway a means to "advertise" available IP routes to these LANs to your cable operator, so packets can be routed properly in this situation.

  • Page 45: Firewall Web Pages Group

    Chapter 3: Advanced Confi guration Firewall Web Pages Group Web Content Filter and Parental Control Web Pages (Fig. 33 and 34) These pages allow you to enable, disable, and confi gure a variety of fi rewall features associated with web browsing, which uses the HTTP protocol and transports HTML web pages. On these pages, you designate the gateway packet types you want to have forwarded or blocked.

  • Page 46: Time Of Day Access Filter Web Page

    Chapter 3: Advanced Confi guration Time of Day Access Filter Web Page (Fig. 35) Use this page to set rules that will block specifi c LAN side PCs from accessing the Internet, but only at specifi c days and times. Specify a PC by its hardware MAC address, then use the tools to specify blocking time.

  • Page 47: Local Log And Remote Log Web

    Chapter 3: Advanced Confi guration Local Log and Remote Log Web Pages (Fig. 36 and 37) The gateway builds a log of fi rewall blocking actions that the Firewall has taken. Using the Local Log page lets you specify an email address to which you want the gateway to email this log.

  • Page 48: Wireless Web Pages Group

    Chapter 3: Advanced Confi guration Wireless Web Pages Group Important: Changes to the wireless web pages should be made from a PC that is hard wired to the gateway. The Wireless web pages group enables a variety of settings that can provide secure and reliable wireless communications for even the most demanding tech-savvy user.

  • Page 49: Privacy

    Chapter 3: Advanced Confi guration Privacy Privacy secures or scrambles messages traveling through the air between your wireless PCs and the gateway, so they can't be observed by others. The following minimum privacy-related setting changes to factory defaults are recommended. See the 802.11b/g Privacy Web Page discussion below for details.
  • Page 50 Chapter 3: Advanced Confi guration Setting Description Network Sets the Network Name (also Name known as SSID) of this network. (SSID) Network Selecting Closed hides the network Type from active scans. Selecting Open reveals the network to active scans. Selects a particular channel on Channel which to operate.

  • Page 51: 802.11B/G Privacy Web Page

    Chapter 3: Advanced Confi guration 802.11b/g Privacy Web Page (Fig. 39) The Privacy feature in the wireless section encrypts, i.e. effectively “scrambles,” all radio communication between your gateway and remote wireless-connected PCs. This provides Wired- Equivalent Privacy (WEP) on your wireless LAN. Use this page to activate encryption if desired, and set the type to use, as well as the encryption keys.
  • Page 52 Chapter 3: Advanced Confi guration Setting Sets the network authentication method. Network 802.1X and WPA require that valid RADIUS Authentication parameters be set. WPA-PSK requires a valid WPA Pre-Shared Key to be set. Sets the WPA Pre-Shared Key (PSK). WPA Pre- Shared Key Sets the WPA Group Rekey Interval in WPA Group...
  • Page 53 Chapter 3: Advanced Confi guration Network Authentication Disabled WPA Pre-Shared Disabled (grayed out) WPA Group Disabled Rekey Interval (grayed out) RADIUS Server Disabled (grayed out) RADIUS Port Disabled (grayed out) RADIUS Key Disabled (grayed out) Data Encryption Off, WEP (64-bit), WEP (128-bit) Shared Key Optional, Required...
  • Page 54 Chapter 3: Advanced Confi guration Data Encryption Setting PassPhrase Network Key 1 thru Network Key 4 Current Network Key Table 4. WEP-Specifi c Parameter Value List/Range Dependencies on Data Encryption Setting Disabled (grayed out) Disabled (grayed out) Disabled (grayed out) WEP (64-bit), WEP (128-bit) Up to 32 character string containing ASCII characters with...

  • Page 55: 802.11B/G Advanced Web Page

    Chapter 3: Advanced Confi guration This page enables some advanced 802.11b settings to be made. The factory default values should provide good results in most cases. We don’t recommend you change these settings unless you have technical knowledge of 802.11b wireless technology. For expert users, details of all settings on the 802.11b/g Privacy Web Page are provided in Table 5.
  • Page 56 Chapter 3: Advanced Confi guration Setting Description 54g™ Sets the network mode. Max Network Mode compatibility interoperates with the widest variety of 54g and 802.11b clients. 54g only accepts 54g clients. Max performance provides the highest throughout and accepts only 54g clients;...

  • Page 57: 802.11B/G Access Control Web Page

    Chapter 3: Advanced Confi guration 802.11b/g Access Control Web Page (Fig. 41) The access control feature enables you to restrict wireless access to specifi c computers. Use this feature to prevent outsider wireless PCs from connecting to your private network. Fig.

  • Page 58: Determining Wifi Mac Address

    Chapter 3: Advanced Confi guration Determining WiFi MAC Address (Fig. 42) If a printed WiFi MAC address for a PC cannot be found, it can be determined as follows from the MS-DOS prompt in the MS Windows running on that computer: 1.
  • Page 59 Chapter 3: Advanced Confi guration Setting Description Selects whether clients with the Restrict specifi ed MAC address are allowed Mode or denied wireless access. Allows or denies wireless access to clients with the specifi ed MAC ad- Addresses dresses. Accepted input MAC address formats are XX:XX:XX:XX:XX:XX and XX-XX-XX-XX-XX-XX.

  • Page 60: Bridging Web Page

    Chapter 3: Advanced Confi guration Bridging Web Page (Fig. 43) The Bridging page provides a location where settings can be adjusted related to the wireless WDS (Wireless Distribution System) feature. The wireless gateway can be placed in a mode that allows the gateway to communicate with other “extender”...

  • Page 61: Chapter 4: Additional Information

    Troubleshooting You can correct most problems you have with your product by consulting the troubleshooting list that follows. If you need service, please contact your service provider. Unit won’t turn on • Make sure the unit is plugged in. • Check the wall receptacle (or extension cord) to make sure it is “live”...

  • Page 62: Front Of The Unit

    Chapter 4: Additional Information Front of the Unit (from left to right) 1. The LAN indicators Eth1 – Eth4 Indicates when an Ethernet interface is active. WLAN/USB Indicates when either the wireless or USB interface is active. 2. Power Indicates when the unit is on. 3.

  • Page 63: Back Of The Unit

    9-12VDC Back of the Unit Description of Jacks and Switches (from left to right) 1. Antenna jack Connects to the 80 2.11b/g wireless antenna included with the gateway. 2. Power jack Connects to the AC power supply; requires 9-12 V AC. Important: Use only the power supply included with the gateway, otherwise you may damage the unit.

  • Page 64: Detailed Explanation Of Jacks

    Chapter 4: Additional Information Detailed Explanation of Jacks The Wireless Cable Gateway provides the following data connections: WAN Side: Cable TV connection- connects to your cable service LAN Side: Ethernet RJ-45 jacks — connect up to four 10 or 100 Mbps Ethernet cables to PCs or to Ethernet switches to connect more PCs.

  • Page 65: Care And Cleaning

    Chapter 4: Additional Information Care and Cleaning CAUTION: Unplug your unit before cleaning. You can clean the unit as required, using a soft lint-free cloth. Be sure to occasionally dust the ventilation slots in the cabinet to help assure adequate ventilation. Never use strong cleaning agents, such as ammonia-based cleaners, or abrasive powder.

  • Page 66: Fcc Declaration Of Conformity And Industry Canada Information

    Chapter 4: Additional Information FCC Declaration of Conformity and Industry Canada Information This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 67: Product Specifi Cations

    Product Specifi cations Cable Interface F type female 75 ohm 4 10/100 BASE-T 1 USB, 1.1 Connector Type B, 1 IEEE 802.11b/g (2.4 GHz Unlicensed ISM radio band) System Power 9-12V / 1A EMI/EMC FCC Class B, CE Class B, VCCI Class B. Operation Requirement Operating Temp.
  • Page 68 Chapter 4: Additional Information Wireless Interface • 11 Mbps IEEE 802.11b and 54 Mbps 802.11g Wireless LAN • Frequency band: 2400-2497 MHz • Supports 64/128 bit RC4 authentication and encryption • Auto fallback to lower data rates as wireless gateway <=> PC distance increases •...
  • Page 69 • Stateful Packet Inspection to protect against both Denial of Service and Distributed Denial of Service attacks, including: • Reassembly attacks • SYN Attack (SYN Flood) • ICMP Flood • Ping of Death Attack • Tear Drop Attack • IP Spoofi ng Attack •...
  • Page 70 Chapter 4: Additional Information • FTP • IRC • H.323 • Quake • Blizzard games • Chat ALG • Real Audio/Video • CUSEEME • Netmeeting • MS Games (excluding game zone) • DIABOLO II • Activision Games • PCAnywhere • SSL •...
  • Page 72 Please do not send any products to the Indianapolis address listed in this manual or on the carton. This will only add delays in service for your product. Thomson Inc. 10330 North Meridian Street Indianapolis, IN 46290 © 2004 Thomson Inc. Trademark(s) Registered Marca(s) Registrada(s) Printed in China...

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