Technicolor - Thomson Network Router manuale d’uso

Wir eless Cable Gateway User’ s Guide PC Link Internet On/Off ONLINE US Power Eth4. WLAN/USB DS Eth2. Eth1. Eth3. DCW725 book file.indb 1 DCW725 book file.indb 1 10/6/04 11:17:08 AM 10/6/04 11:17:08 AM[...]

CAUTION Disconnect power befor e servicing. CAUTION To en sure r eliable operation and to pr event overheating, provide adequate ventilation for this modem and keep it away fr om heat sources . Do not locate near heat regi sters or other heat- producing equipment. Pr ovide for free air fl ow around the cable modem and its power supply . CABLE INST[...]

T able of Contents 1 Chapter 1: Connections and Setup Introduction .................................................................................... 4 Wireless Cable Gateway Features .......................................................................... 4 What’s on the CD-ROM ................................................................[...]

T able of Contents 2 Chapter 3: Ad vanced Con fi g u ra tion Advanced User Con fi g u ra tion ......................................................29 Status Web P age Group ...............................................................30 Software Web P age .........................................................................................[...]

T able of Contents 3 Wireless Web P ages Group ..........................................................46 P erformance ................................................................................................................ 46 Authentication ..................................................................................................[...]

Chapter 1: Connections and Setup Illustrations contained in this document ar e for repr esentation only. 4 Chapter 1 Introduction Wireless Cable Gateway Features Thank you for purchasing the DCW725 Wir eless Cable Gateway . This device delivers the highest performance in data over cable technology . Ideal for home and small business users, this eas[...]

Chapter 1 5 Chapter 1: Connections and Setup 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 r ead .pdf format, if you don’t have it [...]

6 Chapter 1 Chapter 1: Connections and Setup Computer Requirements • USB 1.0 or 1.1 (PC only), Ethernet (1 0/1 00), 802.1 1b or g • A TCP/IP network pr otocol for each machine • A network cable with RJ-45 connector for Ethernet connection • Microsoft Internet Explor er 4.0 or later , or Netscape Navigator 4.0 or later . (5.0 and 4.7 or late[...]

Chapter 1 7 Chapter 1: Connections and Setup • The Internet Service Provider (ISP): Y our cable company provides you access to an Internet Service Provider (ISP). The ISP is your gateway to the Internet. It pr ovides you with a pipeline to access Internet content on the World Wide W eb (WWW). Check with your cable company to make sure you have ev[...]

8 Chapter 1 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 pr eviously in the Wireless Cable Gateway Overview . The connection to the cable company is made by a coaxial cable, and is referr ed to as the WAN (Wide Ar ea Network) side of you[...]

Chapter 1 9 Chapter 1: Connections and Setup Y our PC: Installing a PC Network Card If your PC does not already support Ethernet or USB, you must install a network interface car d. Following is an example setup procedur e: 1. Install an Ethernet card on your motherboar d, following the card’ s directions. 2. P ower up your PC and follow the Add N[...]

1 0 Chapter 1 Chapter 1: Connections and Setup Y our PC: Installing a TCP/IP Stack Follow these instructions to install the TCP/IP pr otocol stack on one of your PCs only after a network card has been successfully installed inside the PC. These instructions ar e for Windows Me. For TCP/IP setup under Windows NT , 2000, and XP , refer to your Window[...]

Chapter 1 1 1 Chapter 1: Connections and Setup 7. After a few seconds, the main Network window will appear . The TCP/IP Pr otocol should now be listed. 8. Click the OK button again. Windows may ask you for the original Windows installation disk or additional fi les. Supply them by pointing to the correct fi le location, e.g., D:win9x, c:windows[...]

12 Chapter 1 Chapter 1: Connections and Setup Y our PC: Confi guring DHCP on a TCP/IP Stack on a PC These instructions will help you confi gur e each of your computers to be able to communicate with the gateway to obtain an IP (or TCP/IP) addr ess automatically (called DHCP , Dynamic Host Confi guration Pr otocol). Find out which operating syste[...]

Chapter 1 13 Chapter 1: Connections and Setup Fig. 7 Fig. 6 Confi guring Windows Me PCs 1. Go to the Network screen by clicking the Start button. Click Settings and then Contr ol P anel . From there, double-click the Network icon. 2. On the Confi gur ation tab , select the TCP/IP line for the applicable Ethernet adapter . Do not choose a TCP/IP e[...]

14 Chapter 1 Chapter 1: Connections and Setup Confi guring Windows 2000 PCs 1. Go to the Network screen by clicking the Start button. Click Setting s and then Control P anel . From ther e, 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 r s[...]

Chapter 1 15 Chapter 1: Connections and Setup Connecting Y our Devices 1. Before you begin, make sur e that all of your hardwar e 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 [...]

16 Chapter 1 Chapter 1: Connections and Setup Fig. 9 Fig. 8 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. Mandatory User Confi gura[...]

Chapter 1 17 Chapter 1: Connections and Setup Fig. 10 3. This step is not requir ed 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[...]

18 Chapter 1 Chapter 1: Connections and Setup Some examples of Internet-sharing software ar e Internet LanBridge, Wingate, ICS, and Sygate. To disable your Internet-sharing software: • If you are running Netscape Navigator: Click Edit >> Pr eference >> Advanced >> Pr oxies >, and click Direct Connection to the Internet. • I[...]

Chapter 2: Networking Chapter 2 19 Illustrations contained in this document ar e for repr esentation only. Communications Data communication involves the fl ow of packets of data fr om one device to another . These devices include personal computer s, Ethernet and USB hubs, cable modems, digital router s and switches, and highly integrated devices[...]

Chapter 2: Networking 20 Chapter 2 Example: The Wireless Cable Gateway offer s a number of built-in web pages which you can use to confi gur e 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 tr avels from the Internet down- str[...]

Chapter 2: Networking Chapter 2 2 1 address by various means, including a DHCP server , by you dir ectly entering it, or sometimes by a PC generating one of its own. Ethernet requir es that each TCP/IP stack on the Wir eless Cable Gateway also have associated with it an Ethernet MAC (Media Access Control) addr ess . MAC addresses ar e permanently ?[...]

Chapter 2: Networking 22 Chapter 2 CM/Networking IP Stack 1 111.111.1.11 IP Stack 2 192.168.100.1 WAN LAN Cable Modem (CM) Mode RJ 45 USB Cable Wireless Wireless Cable Gateway CM Mode Wireless Cable Gateway behaves as a bridge CPE 1 111.111.2.11 CPE 2 111.111.2.12 CPE 3 111.111.2.13 111.111.1.11 Internet Cable Operator WAN LAN Fig. 12 Fig. 13 DCW72[...]

Chapter 2: Networking Chapter 2 23 CM (Cable Modem) Mode provides basic home networking. In this mode, two IP stacks ar e active: • IP Stack 1 - for use by the cable company to communicate with the cable modem section only . This stack receives its IP address fr om the cable company during CM initialization. It uses the MAC address printed on the[...]

Chapter 2: Networking 24 Chapter 2 CM Networking IP Stack 1 111.111.1.11 IP Stack 3 111.111.2.11 IP Stack 5 192.168.0.1 WAN LAN RJ 45 USB Cable 3360 Wireless Cable Gateway RG & CH Modes Wireless Cable Gateway behaves as a gateway CPE 1 192.168.0.2 CPE 2 192.168.0.3 CPE 3 192.168.0.4 Internet Cable Operator 111.111.1.11 Wireless WAN LAN Resident[...]

Chapter 2: Networking Chapter 2 25 RG (Residential Gateway) Mode provides basic home networking plus NA T (Network Address Tr anslation). In this mode, three IP stacks ar e active: • IP Stack 1 - for use by the cable company to communicate with the Cable Modem section only . This stack receives its IP address fr om the cable company during CM ini[...]

Chapter 2: Networking 26 Chapter 2 CM Networking IP Stack 1 111.111.1.11 IP Stack 3 111.111.2.11 IP Stack 5 192.168.0.1 IP Stack 4 111.111.2.12 WAN LAN Fig. 16 CableHome (CH) Mode 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 Ca[...]

Chapter 2: Networking Chapter 2 27 • IP Stack 4 - for use by you to remotely (i.e. fr om somewhere on the W AN side, such as at your remote workplace) communicate with the Cable Modem and Networking sections, to r emotely access the internal web page diagnostics and confi gur ation. This stack is also used by your cable company to deliver packet[...]

Chapter 2: Networking 28 Chapter 2 MAC and IP Addresses Summary This table summarizes all the MAC and IP addresses that may be associated with the T CP/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[...]

Chapter 3: Advanced Confi gur ation Chapter 3 29 Illustrations contained in this document ar e for repr esentation only. Advanced User Confi guration The Wireless Cable Gateway offer s local management capability through a built in HTTP server and a number of diagnostic and confi gur ation web pages. These pages are available fr om http://192.16[...]

Chapter 3: Advanced Confi gur ation 30 Chapter 3 Status Web P age Group Software Web P age (Fig. 17) The Information section of this page provides har dware and softwar e information about your gateway that may be useful to your cable company . You can view your oper ating software version but not change it. This is because your gateway adheres to[...]

Chapter 3: Advanced Confi gur ation Chapter 3 3 1 Connection Web P age (Fig. 18) This page reports diagnostic information about the initialization and oper ating 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’r e having problems. Fig. 18 DCW725 book[...]

Chapter 3: Advanced Confi gur ation 32 Chapter 3 P assword Web P age (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 char acters and is case sensitive. In addition, this page can be used to restor e the gateway to its original factory settings. Use this[...]

Chapter 3: Advanced Confi gur ation Chapter 3 33 Event Log Web P age (Fig. 20) This page provides diagnostic information r egarding the cable modem section of your gateway that may be useful to your cable company if you are having startup or oper ation issues. As long as your gateway startup and operational performance is normal, any messages cont[...]

Chapter 3: Advanced Confi gur ation 34 Chapter 3 Network Web P age Group WAN W eb Page (Fig. 22) This page gives you the ability to enter some data your cable company may requir e, as explained before in Mandatory User Confi guration. In addition, it enables you to view your WAN side IP address and lease information. Y our gateway can provide NA [...]

Chapter 3: Advanced Confi gur ation Chapter 3 35 LAN and Computers Web P ages (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 pr ovides on[...]

Chapter 3: Advanced Confi gur ation 36 Chapter 3 Advanced Web P age Group Options Web P age (Fig. 25) This page allows you to enable/disable some features of the Wir eless Cable Gateway . Check WAN Blocking and then click Apply to prevent other s on the WAN side fr om being able to ping your gateway . With WAN Blocking on, your gateway will not re[...]

Chapter 3: Advanced Confi gur ation Chapter 3 37 Check Multicast Enable and then click Apply to enable multicast traffi c to pass WAN <=> LAN. Y ou may need to enable this to see some types of broadcast str eaming and content on the Internet, such as webcasting of a popular live event. IP Filtering Web P age (Fig. 26) This page enables you [...]

Chapter 3: Advanced Confi gur ation 38 Chapter 3 Fig. 28 P ort Filtering Web P age (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. For example, you could block access to worldwide web [...]

Chapter 3: Advanced Confi gur ation Chapter 3 39 Forwarding Web P age (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 ignor e attempts of the WAN PC to originate a connection onto your PC. This protects you fr om malicious attacks from outsider s. Howe[...]

Chapter 3: Advanced Confi gur ation 40 Chapter 3 Fig. 30 P ort Triggers Web P age (Fig. 30) Some Internet activities, such as interactive gaming, r equire that a PC on the W AN side of your gateway be able to originate connections during the game with your game playing PC on the LAN side. Y ou could use the Advanced...Forwarding page to construct [...]

Chapter 3: Advanced Confi gur ation Chapter 3 4 1 DMZ Host Web P age (Fig. 3 1) 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 dest[...]

Chapter 3: Advanced Confi gur ation 42 Chapter 3 Routing Information Protocol Setup Web P age (Fig. 32) This feature enables the gateway to be used in small business situations wher e more than one LAN (local area network) is installed. The RIP pr otocol provides the gateway a means to "advertise" available IP routes to these LANs to you[...]

Chapter 3: Advanced Confi gur ation Chapter 3 43 Firewall Web P ages Group Web Content Filter and P arental Control Web P ages (Fig. 33 and 34) These pages allow you to enable, disable, and confi gur e a variety of fi r ewall features associated with web browsing, which uses the HTTP pr otocol and transports HTML web pages. On these pages, you d[...]

Chapter 3: Advanced Confi gur ation 44 Chapter 3 Time of Day Access Filter Web P age (Fig. 35) Use this page to set rules that will block specifi c LAN side PCs fr om accessing the Internet, but only at specifi c days and times. Specify a PC by its har dware MAC addr ess, then use the tools to specify blocking time. Finally , click the Apply but[...]

Chapter 3: Advanced Confi gur ation Chapter 3 45 Local Log and Remote Log Web P ages (Fig. 36 and 37) The gateway builds a log of fi r ewall 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. Y ou must also tell the gateway your outgoing (i.e. S[...]

Chapter 3: Advanced Confi gur ation 46 Chapter 3 Wireless Web P ages Group Important: Changes to the wireless web pages should be made fr om a PC that is hard wir ed to the gateway . The Wireless web pages gr oup enables a variety of settings that can provide secur e and reliable wireless communications for even the most demanding tech-savvy user [...]

Chapter 3: Advanced Confi gur ation Chapter 3 47 Fig. 38 Privacy Privacy secures or scr ambles messages traveling thr ough 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 r ecommended. See the 802.1 1b/g Privacy Web P age dis[...]

Chapter 3: Advanced Confi gur ation 48 Chapter 3 Sets the Network Name (also known as SSID) of this network. Selecting Closed hides the network from active scans. Selecting Open reveals the network to active scans. Selects a particular channel on which to operate. Enables or disables the wireless interface. Up to 32-character string containing ASC[...]

Chapter 3: Advanced Confi gur ation Chapter 3 49 802.1 1b/g Privacy Web P age (Fig. 39) The Privacy feature in the wir eless section encrypts, i.e. effectively “scrambles,” all r adio communication between your gateway and remote wir eless-connected PCs. This provides Wir ed- Equivalent Privacy (WEP) on your wireless LAN. Use this page to acti[...]

Chapter 3: Advanced Confi gur ation 50 Chapter 3 Setting Description Value List or Range Default Sets the network authentication method. 802.1X and WP A require that valid RADIUS parameter s be set. WPA-PSK requir es a valid WPA Pr e-Shared Key to be set. Sets the WPA Pr e-Shared Key (PSK). Sets the WPA Gr oup Rekey Interval in seconds. Set to zer[...]

Chapter 3: Advanced Confi gur ation Chapter 3 5 1 Table 3. P arameter Value Li st/Range Dependencies on Network Authentication Setting Network Authentication Dis abled 802.1x WPA WPA-PSK Disabled (grayed out) Disabled (grayed out) Disabled (grayed out) Disabled (grayed out) Disabled (grayed out) Off, WEP (64-bit), WEP (128-bit) Optional, Required [...]

Chapter 3: Advanced Confi gur ation 52 Chapter 3 Data Encryption Off WEP (64-bit), WEP (128-bit) Setting Disabled (grayed out) Disabled (grayed out) Disabled (grayed out) Up to 32 character string containing ASCII character s with codes between 0x20 and 0x7e 5 or 13 ASCII character s or 1 0 or 26 hexadecimal digits 1 to 4 P assPhrase Network Key 1[...]

Chapter 3: Advanced Confi gur ation Chapter 3 53 Fig. 40 This page enables some advanced 802.1 1b settings to be made. The factory default values should provide good r esults in most cases. We don’t r ecommend you change these settings unless you have technical knowledge of 802.1 1b wireless technology . For expert users, details of all settings[...]

Chapter 3: Advanced Confi gur ation 54 Chapter 3 Table 5. Advanced Setting s Defi nitions Setting Description Value List or Range Default Sets the network mode. Max compatibility interoper ates with the widest variety of 54g and 802.1 1b clients. 54g only accepts 54g clients. Max performance provides the highest throughout and accepts only 54g cl[...]

Chapter 3: Advanced Confi gur ation Chapter 3 55 802.1 1b/g Access Control Web P age (Fig. 41) The access control featur e enables you to restrict wir eless access to specifi c computer s. Use this feature to pr event outsider wireless PCs fr om connecting to your private network. Y our Gateway identifi es wir eless PCs by their WiFi MAC Address[...]

Chapter 3: Advanced Confi gur ation 56 Chapter 3 Determining WiFi MAC Address (Fig. 42) If a printed WiFi MAC address for a PC cannot be found, it can be determined as follows fr om the MS-DOS prompt in the MS Windows running on that computer: 1. Start MS-DOS. In Windows 98, this is “Start” ... “Run” ,,, [type in] “ command” ... “OK?[...]

Chapter 3: Advanced Confi gur ation Chapter 3 57 Table 6. Access Contr ol Settings Defi nitions Setting Description Value Li st or Range Default Selects whether clients with the specifi ed MAC addr ess are allowed or denied wireless access. Allows or denies wireless access to clients with the specifi ed MAC ad- dresses. Accepted input MAC addr [...]

Chapter 3: Advanced Confi gur ation 58 Chapter 3 Bridging Web P age (Fig. 43) The Bridging page provides a location wher e settings can be adjusted related to the wir eless WDS (Wireless Distribution System) featur e. The wireless gateway can be placed in a mode that allows the gateway to communicate with other “ extender” wireless access poin[...]

Chapter 4: Additional Information Chapter 4 59 Illustrations contained in this document ar e for repr esentation only. Troubleshooting Y ou can correct most pr oblems 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[...]

Chapter 4: Additional Information 60 Chapter 4 PC Link Internet On/Off ONLINE US Power Eth4. WLAN/USB DS Eth2. Eth1. Eth3. 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[...]

Chapter 4: Additional Information Chapter 4 6 1 9-12VDC E t he r ne t USB RESET Cable Back of the Unit Description of Jacks and Switches (from left to right) 1. Antenna jack Connects to the 80 2.1 1b/g wireless antenna included with the gateway . 2. P ower jack Connects to the AC power supply; requir es 9-12 V AC. Important: Use only the power supp[...]

Chapter 4: Additional Information 62 Chapter 4 Detailed Explanation of Jacks The Wireless Cable Gateway pr ovides the following data connections: WAN Side: Cable TV connection- connects to your cable service LAN Side: Ethernet RJ-45 jacks — connect up to four 1 0 or 1 00 Mbps Ethernet cables to PCs or to Ethernet switches to connect more PCs. Eac[...]

Chapter 4: Additional Information Chapter 4 63 Care and Cleaning CAUTION: Unplug your unit before cleaning. Y ou can clean the unit as requir ed, 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 cleaner s, or a[...]

Chapter 4: Additional Information 64 Chapter 4 FCC Declaration of Conformity and Industry Canada Information This device complies with P art 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 r eceived, including interference[...]

Chapter 4: Additional Information Chapter 4 65 Product Specifi cations WAN Cable Interface F type female 75 ohm LAN 4 10/1 00 BASE-T 1 USB, 1.1 Connector Type B, 1 IEEE 802.1 1b/g (2.4 GHz Unlicensed ISM radio band) System P ower 9-12V / 1A EMI/EMC FCC Class B, CE Class B, VCCI Class B. Operation Requir ement Operating Temp. 0ºC to 40ºC (32ºF t[...]

Chapter 4: Additional Information 66 Chapter 4 Wireless Interface • 1 1 Mbps IEEE 802.1 1b and 54 Mbps 802.1 1g Wireless LAN • Frequency band: 2400-2497 MHz • Supports 64/128 bit RC4 authentication and encryption • Auto fallback to lower data rates as wir eless gateway <=> PC distance increases • Communicates with all Wi-Fi certifi[...]

Chapter 4: Additional Information Chapter 4 67 • Stateful P acket 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 • LAND Attack • Jolt • Winnuke At[...]

Chapter 4: Additional Information 68 Chapter 4 • 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 • NNTP Virtual Private Network (VPN) Feature • PPTP and IPSec pass-through can be enabled[...]

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Thomson Inc. 10330 North Meridian Street Indianapolis, IN 46290 © 2004 Thomson Inc. T rademark(s) Registered Marca(s) Registrada(s) Printed in China TOCOM 1644144A THOMSON 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. DCW725 book file.indb [...]