Netgear DG632 DG632 Reference Manual
Netgear DG632 - ADSL Modem Router Manual
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Reference Manual for the Model DG632 ADSL Modem Router NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone 1-888-NETGEAR April 2004 - Netgear DG632 | DG632 Reference Manual - Page 2
NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR and used in accordance with the instructions, may cause harmful interference to of Conformance This is to certify that the DG632 ADSL Modem Router is shielded against the generation of radio - Netgear DG632 | DG632 Reference Manual - Page 3
a radio or TV receiver, it may become the cause of radio interference. Read instructions for correct handling. Customer Support Refer to the Support Information Card that shipped with your DG632 ADSL Modem Router. World Wide Web NETGEAR maintains a World Wide Web home page that you can access at the - Netgear DG632 | DG632 Reference Manual - Page 4
iv - Netgear DG632 | DG632 Reference Manual - Page 5
Manual 1-2 How to Print this Manual 1-3 Chapter 2 Introduction About the Modem ...2-1 Key Features ...2-1 Modem or Router Device Mode 2-2 Modem Device Mode 2-2 Router Modem to the Internet What You Need Before You Begin 3-1 ADSL Microfilter Requirements 3-1 ADSL Microfilter 3-1 ADSL - Netgear DG632 | DG632 Reference Manual - Page 6
-Detected PPPoE Login Account Setup 3-10 Wizard-Detected PPPoA Login Account Setup 3-11 Wizard-Detected Dynamic IP Account Setup 3-11 Testing Your Internet Connection 3-12 Connecting Your Computer to the DG632 USB Port Option 3-12 Chapter 4 Maintaining Your DG632 ADSL Modem Router Changing the - Netgear DG632 | DG632 Reference Manual - Page 7
Login 6-4 ADSL Settings ...6-5 Router Mode Network Management Information 6-6 Viewing Router Status and Usage Statistics 6-6 Viewing, Selecting, and Saving Router (Service Blocking IP Settings 6-21 DHCP ...6-23 Use Router as DHCP server 6-23 Reserved IP addresses 6-24 How to Configure LAN TCP/IP - Netgear DG632 | DG632 Reference Manual - Page 8
Connection 7-3 ADSL link ...7-3 WAN LED Blinking Yellow 7-4 WAN LED Off ...7-4 Obtaining a WAN IP Address 7-4 Troubleshooting PPPoE or PPPoA 7-5 Troubleshooting Internet Browsing 7-6 Troubleshooting a TCP/IP Network Using the Ping Utility 7-6 Testing the LAN Path to Your Router 7-6 Testing - Netgear DG632 | DG632 Reference Manual - Page 9
B-11 Stateful Packet Inspection B-11 Denial of Service Attack B-11 Ethernet Cabling ...B-11 Category 5 Cable IP Networking C-16 MacOS 8.6 or 9.x C-16 MacOS X ...C-16 Verifying TCP/IP Properties for Macintosh Computers C-17 Verifying the Readiness of Your Internet Account C-18 Are Login - Netgear DG632 | DG632 Reference Manual - Page 10
x Contents - Netgear DG632 | DG632 Reference Manual - Page 11
of importance or special interest. This manual is written according to these specifications. Table 1-1. Manual Specifications Product Version Manual Publication Date DG632 ADSL Modem Router April 2004 Note: Product updates are available on the NETGEAR, Inc. Web site at http://kbserver - Netgear DG632 | DG632 Reference Manual - Page 12
for the Model DG632 ADSL Modem Router How to Use this Manual The HTML version of this manual includes a variety of navigation features as well as links to PDF versions of the full manual and individual chapters. 1 2 3 Figure Preface -2: HTML version of this manual 1. Left pane. Use the left - Netgear DG632 | DG632 Reference Manual - Page 13
for the Model DG632 ADSL Modem Router How to Print this Manual To print this manual you may choose one of the following options, icon in the upper left of the window. Tip: If your printer supports printing two pages on a single sheet of paper, you can save paper and printer ink by - Netgear DG632 | DG632 Reference Manual - Page 14
Reference Manual for the Model DG632 ADSL Modem Router 1-4 About This Manual - Netgear DG632 | DG632 Reference Manual - Page 15
the built-in ADSL modem that otherwise is used by a single computer. With minimum setup, you can install and use the modem within minutes. The included firewall and Network Address Translation (NAT) features protect you from hackers. Key Features The DG632 modem router provides the following - Netgear DG632 | DG632 Reference Manual - Page 16
WAN IP address from the ISP during connection setup and forwards it to the attached computer. Router Device Mode In Router Device Mode, the DG632 supports configuration of the Transmission Control Protocol/ Internet Protocol (TCP/IP) parameters and login functions on the modem. The DG632 supports - Netgear DG632 | DG632 Reference Manual - Page 17
Reference Manual for the Model DG632 ADSL Modem Router • Classical IP (RFC 1577) Some Internet service providers, in Europe for example, use Classical IP in their ADSL services. In such cases, the modem is able to use the Classical IP address from the ISP. • PPP over Ethernet (PPPoE) PPP over - Netgear DG632 | DG632 Reference Manual - Page 18
Reference Manual for the Model DG632 ADSL Modem Router Easy Installation and Management You can install, configure, and operate the DG632 within easily configure your modem from almost any type of personal computer, such as Windows, Macintosh, or Linux. A user-friendly Setup Wizard is provided - Netgear DG632 | DG632 Reference Manual - Page 19
Reference Manual for the Model DG632 ADSL Modem Router What's In The Box? The product package should contain the following items. ADSL Firewall Router DG632 DG632 ADSL Firewall Router Resource CD, installation guide, support information card & warranty/registration card Power adapter LINE DSL - Netgear DG632 | DG632 Reference Manual - Page 20
Reference Manual for the Model DG632 ADSL Modem Router • DG632 ADSL Modem Router Installation Guide • A Printed Quick Installation Guide • Warranty and Support Information Cards If any of the parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the carton, including the - Netgear DG632 | DG632 Reference Manual - Page 21
Reference Manual for the Model DG632 ADSL Modem Router Table 2-1. LED Descriptions USB Ethernet On Off On (Green) Blink (Green) On (Amber) Blink (Amber) Off The Local port has detected link with a device. No - Netgear DG632 | DG632 Reference Manual - Page 22
Reference Manual for the Model DG632 ADSL Modem Router 2-8 Introduction - Netgear DG632 | DG632 Reference Manual - Page 23
describes how to configure your DG632 ADSL Modem Router for Internet access using the Setup Wizard, or how to manually configure your Internet connection. What service. You must use ADSL microfilters to filter out these signals before they reach your telephone. ADSL Microfilter Phone Figure 3-1: ADSL - Netgear DG632 | DG632 Reference Manual - Page 24
Line Reference Manual for the Model DG632 ADSL Modem Router Note: Do not connect the DG632 to the ADSL line through a microfilter unless the microfilter is a combination microfilter/splitter specifically designed for this purpose. Doing so will prevent the built-in ADSL modem in the DG632 from - Netgear DG632 | DG632 Reference Manual - Page 25
also refer to the ADSL Modem Router Resource CD for the NETGEAR Router ISP Guide which provides Internet connection information for many ISPs. Once you locate your Internet configuration parameters, you may want to record them on the page below according to the instructions in "Record Your Internet - Netgear DG632 | DG632 Reference Manual - Page 26
Reference Manual for the Model DG632 ADSL Modem Router Record Your Internet Connection Information Print this page. Fill in the configuration parameters from your Internet Service Provider (ISP). ISP Multiplexing Method and Virtual Circuit Number: The default settings of your DG632 ADSL Modem Router - Netgear DG632 | DG632 Reference Manual - Page 27
Reference Manual for the Model DG632 ADSL Modem Router Connecting the DG632 to Your Network This section provides instructions for connecting the DG632 modem router to your network. Note: The Resource CD included with your modem contains an animated Installation Assistant to help you through this - Netgear DG632 | DG632 Reference Manual - Page 28
Reference Manual for the Model DG632 ADSL Modem Router b. Two-Line Filter Example. Insert the two-line filter into the phone outlet and connect the phone to the phone line connector (A). $3, 3KRQH ,INE A Phone Line Figure 3-4: Connecting an ADSL microfilter and phone Note: To use a one-line filter - Netgear DG632 | DG632 Reference Manual - Page 29
Reference Manual for the Model DG632 ADSL Modem Router c. Connect the Ethernet cable (C) from your DG632's LAN port to the Ethernet adapter in your computer. Note: To connect the computer using the USB port, please see "Connecting Your Computer to the DG632 USB Port Option" on page 3-12. C $3, - Netgear DG632 | DG632 Reference Manual - Page 30
3. LOG IN TO THE DG632. Note: Your computer needs to be configured for DHCP. For instructions on configuring for DHCP, please see Appendix C in the Reference Manual on the ADSL Modem Router Resource CD. a. Connect to the modem by typing http://192.168.0.1 in the address field of Internet Explorer or - Netgear DG632 | DG632 Reference Manual - Page 31
Reference Manual for the Model DG632 ADSL Modem Router 4. CONNECT TO THE INTERNET The modem is now properly attached to your network. You are now ready to configure your modem to connect to the Internet. There are two ways you can configure your modem to connect to the Internet: a. Let the DG632 - Netgear DG632 | DG632 Reference Manual - Page 32
Reference Manual for the Model DG632 ADSL Modem Router • Dynamic IP assignment • A login protocol such as PPPoE or PPPoA Next, the Setup Wizard will report which connection type it has discovered, and then display the appropriate configuration page. If the Setup Wizard finds no connection, you will - Netgear DG632 | DG632 Reference Manual - Page 33
Manual for the Model DG632 ADSL Modem Router Wizard-Detected PPPoA Login Account Setup If the Setup Wizard determines that your Internet service account uses a login protocol such as PPP over ATM (PPPoA), you will be directed to the PPPoA page shown in Figure 3-10 below: Figure 3-11: Setup - Netgear DG632 | DG632 Reference Manual - Page 34
Reference Manual for the Model DG632 ADSL Modem Router Testing Your Internet Connection After completing the Internet connection configuration, your can test your Internet connection. Log in to the modem, then, from the Basic Settings link in the Setup menu, click the Test button. If the NETGEAR Web - Netgear DG632 | DG632 Reference Manual - Page 35
Reference Manual for the Model DG632 ADSL Modem Router 3. Click Ok to run the software installation utility. 4. Click Next and follow the prompts to complete the installation of the USB driver. 5. Now, connect the USB cable to your modem and plug in the AC power for the modem. 6. Use the USB cable - Netgear DG632 | DG632 Reference Manual - Page 36
Reference Manual for the Model DG632 ADSL Modem Router 3-14 Connecting the Modem to the Internet - Netgear DG632 | DG632 Reference Manual - Page 37
modem from Router Mode to Modem Mode, your computer must configured with a static IP address of 192.168.0.2-192.168.0.254, a Subnet Mask of 255.255.255.0, and a Gateway Address of 192.168.0.1 to be able to connect to the modem's built-in configuration pages. Maintaining Your DG632 ADSL Modem Router - Netgear DG632 | DG632 Reference Manual - Page 38
Reference Manual for the Model DG632 ADSL Modem Router 1. Turn on the modem and wait at least ten seconds for initialization to complete. 2. Reboot your computer to obtain DHCP configuration from the modem. 3. Launch your web browser, and click your browser's Stop button. 4. In the Address or - Netgear DG632 | DG632 Reference Manual - Page 39
Manual for the Model DG632 ADSL Modem Router After changing the mode, the main menu changes, showing the features of the mode selected. Router Mode Menu Modem Mode Menu Figure 4-3. Device Mode main menu options Changing the Password of Your DG632 ADSL Modem Router For security reasons, the modem - Netgear DG632 | DG632 Reference Manual - Page 40
Manual for the Model DG632 ADSL Modem Router How to Change the Built-In Password 1. Log in to the modem at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever Password and LAN address you have chosen for the modem - Netgear DG632 | DG632 Reference Manual - Page 41
Reference Manual for the Model DG632 ADSL Modem Router 2. Click Apply to save your changes or click Cancel to keep the current period. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the DG632 modem router are stored in a configuration file in the modem. This file can - Netgear DG632 | DG632 Reference Manual - Page 42
the login password or IP address, you must use the Default Reset button on the rear panel of the modem. See "DG632 Rear Panel" on page 2-7. Upgrading the Modem's Firmware The software of the DG632 modem router is stored in FLASH memory, and can be upgraded as new software is released by NETGEAR - Netgear DG632 | DG632 Reference Manual - Page 43
Reference Manual for the Model DG632 ADSL Modem Router How to Upgrade the Modem Firmware Note: NETGEAR recommends modem must support HTTP uploads. NETGEAR recommends using Microsoft Internet Explorer 5.0 or above, or Netscape Navigator 4.7 or above. 2. Log in to the modem at its default LAN address - Netgear DG632 | DG632 Reference Manual - Page 44
Reference Manual for the Model DG632 ADSL Modem Router 4-8 Maintaining Your DG632 ADSL Modem Router - Netgear DG632 | DG632 Reference Manual - Page 45
Mode This chapter describes how to use the modem features of the DG632 ADSL Modem Router. Figure 5-1: Modem Mode main menu Modem Mode Basic Settings You can manually configure your modem using the menu above, or you can allow the Setup Wizard to determine your configuration as described in the - Netgear DG632 | DG632 Reference Manual - Page 46
Manual for the Model DG632 ADSL Modem Router 5. Follow the instructions below according to the encapsulation method and whether your Internet connection requires a login. The following methods are available: • Internet Connection Requires Login and Uses PPPoE • Internet Connection Requires Login - Netgear DG632 | DG632 Reference Manual - Page 47
Reference Manual for the Model DG632 ADSL Modem Router Note: You will no longer need to launch the ISP's login program on your computer in order to access the Internet. When you start an Internet application, your modem automatically logs you in. 2. Choose PPPoA for the encapsulation method your - Netgear DG632 | DG632 Reference Manual - Page 48
Reference Manual for the Model DG632 ADSL Modem Router • Select "Get Dynamically from ISP" if your ISP uses DHCP to assign your IP address. Your ISP will automatically assign this address. • If you know that your ISP does not automatically transmit DNS addresses to the modem during login, select " - Netgear DG632 | DG632 Reference Manual - Page 49
Reference Manual for the Model DG632 ADSL Modem Router Viewing Modem Status and Usage Statistics From the Main Menu, under Maintenance, select Modem Status to view the screen in Figure 5-2. Figure 5-2: Modem Status screen The Modem Status menu provides status and usage information, as described in - Netgear DG632 | DG632 Reference Manual - Page 50
Reference Manual for the Model DG632 ADSL Modem Router Table 5-1. Menu 3.2 - Modem Status Fields Field Description DHCP If None, the modem will use a fixed IP address on the ADSL. If Client, the modem will obtain an IP address dynamically from the ISP IP Subnet Mask Displays the IP Subnet - Netgear DG632 | DG632 Reference Manual - Page 51
Reference Manual for the Model DG632 ADSL Modem Router Click the Show Statistics button to display modem usage statistics, as shown in Figure 5-2 below: Figure 5-3: Modem Statistics screen This screen shows the following statistics:. Table 5-1. Statistics Fields Field WAN, LAN, or Serial Port - Netgear DG632 | DG632 Reference Manual - Page 52
Reference Manual for the Model DG632 ADSL Modem Router 5-8 Using Modem Mode - Netgear DG632 | DG632 Reference Manual - Page 53
Mode This chapter describes how to use the basic router features of the DG632 ADSL Modem Router. Figure 6-1: Router Mode main menu Router Mode Basic Settings You can manually configure your modem using the menu above, or you can allow the Setup Wizard to determine your configuration as described in - Netgear DG632 | DG632 Reference Manual - Page 54
Model DG632 ADSL Modem Router ISP Does Not Require Login ISP Does Require Login Figure 6-2: Basic Settings menu Manually Configuring Basic Settings It is best to start the manual configuration from the Setup Wizard: 1. Select your country. 2. Select No to manually configure your modem connection - Netgear DG632 | DG632 Reference Manual - Page 55
Manual for the Model DG632 ADSL Modem Router 5. Follow the instructions below according to the encapsulation method and whether your Internet connection requires a login. The following methods are available: • Internet Connection Requires Login and Uses PPPoE • Internet Connection Requires Login - Netgear DG632 | DG632 Reference Manual - Page 56
Reference Manual for the Model DG632 ADSL Modem Router Note: You will no longer need to launch the ISP's login program on your computer in order to access the Internet. When you start an Internet application, your modem automatically logs you in. 2. Choose PPPoA for the encapsulation method your - Netgear DG632 | DG632 Reference Manual - Page 57
Reference Manual for the Model DG632 ADSL Modem Router • Select "Get Dynamically from ISP" if your ISP uses DHCP to assign your IP address. Your ISP will automatically assign this address. • If you know that your ISP does not automatically transmit DNS addresses to the modem during login, select " - Netgear DG632 | DG632 Reference Manual - Page 58
Reference Manual for the Model DG632 ADSL Modem Router Viewing Router Status and Usage Statistics From the Main Menu, under Maintenance, select Router Status to view the screen in Figure 6-3. Figure 6-3: Router Status screen The Router Status menu provides status and usage information, as described - Netgear DG632 | DG632 Reference Manual - Page 59
Reference Manual for the Model DG632 ADSL Modem Router Table 6-1. Menu 3.2 - Modem Status Fields Field Description DHCP If None, the modem will use a fixed IP address on the ADSL. If Client, the modem will obtain an IP address dynamically from the ISP IP Subnet Mask Displays the IP Subnet - Netgear DG632 | DG632 Reference Manual - Page 60
Reference Manual for the Model DG632 ADSL Modem Router Click the Show Statistics button to display modem usage statistics, as shown in Figure 6-3 below: Figure 6-4: Router Statistics screen This screen shows the following statistics:. Table 6-1. Statistics Fields Field WAN, LAN, or Serial Port - Netgear DG632 | DG632 Reference Manual - Page 61
Reference Manual for the Model DG632 ADSL Modem Router Click the Connection Status button to display router connection status, as shown in Figure 6-5 and Figure 6-6. Figure 6-5: Connection Status screen for Dynamic IP Clicking the Renew button updates the status information. This screen shows the - Netgear DG632 | DG632 Reference Manual - Page 62
Reference Manual for the Model DG632 ADSL Modem Router An alternate view of the Connection Status screen is shown in Figure 6-6 below: Figure 6-6: Connection Status screen for PPPoA Clicking the Renew button updates the - Netgear DG632 | DG632 Reference Manual - Page 63
Reference Manual for the Model DG632 ADSL Modem Router Viewing, Selecting, and Saving Router Mode Logged Information The modem will log security-related events such as denied incoming service requests, hacker probes, and administrator logins. Here is an example of the logs file. Figure 6-7: - Netgear DG632 | DG632 Reference Manual - Page 64
Reference Manual for the Model DG632 ADSL Modem Router Log entries are described in Table 6-1 below: Table 6-1. Security Log entry descriptions Field Description Description or Action The type of event and what action was taken if any. Source IP The IP address of the initiating device for - Netgear DG632 | DG632 Reference Manual - Page 65
Reference Manual for the Model DG632 ADSL Modem Router Router Mode Diagnostic Utilities and Rebooting The DG632 modem router has a diagnostics feature. You can use the diagnostics menu to perform the following functions from the modem: • Ping an IP Address to test connectivity to see if you can - Netgear DG632 | DG632 Reference Manual - Page 66
Reference Manual for the Model DG632 ADSL Modem Router Firewall Services Services are functions performed by server computers at the request of client computers. For example, Web servers serve Web pages, time servers serve time and date - Netgear DG632 | DG632 Reference Manual - Page 67
Manual for the Model DG632 ADSL Modem Router • To delete an existing Service, select its button on the left side of the table and click Delete Service. 3. Use the page shown below to define or edit a service. Figure 6-10: Add Services the service or application, source or destination IP addresses, - Netgear DG632 | DG632 Reference Manual - Page 68
Manual for the Model DG632 ADSL Modem Router DG632 uses Network Address Translation (NAT), your network presents only one IP address to the Internet, and outside users cannot directly address account if it discovers any active services at your location. If you are unsure, refer to the Acceptable - Netgear DG632 | DG632 Reference Manual - Page 69
Reference Manual for the Model DG632 ADSL Modem Router Inbound Rule Example: A Local Public Web Server If you host a public Web server on your local network, you can define a rule to allow inbound Web (HTTP) requests to the IP address of your Web server. This rule is shown in Figure 6-12: Figure 6- - Netgear DG632 | DG632 Reference Manual - Page 70
Manual for the Model DG632 ADSL Modem Router • Local computers must access the local server using the computer's local LAN address (192.168.0.11 in the example in Figure 6-12 above). Attempts by local computers to access the server using the external WAN IP address will fail. Outbound Rules (Service - Netgear DG632 | DG632 Reference Manual - Page 71
Reference Manual for the Model DG632 ADSL Modem Router 4. Click Apply. Configuring Advanced Settings The DG632 ADSL Modem Router provides a variety of advanced features, such as: • Setting up a Demilitarized Zone (DMZ) Server • Connecting Automatically, as Required • Disabling Port Scan and DOS - Netgear DG632 | DG632 Reference Manual - Page 72
Reference Manual for the Model DG632 ADSL Modem Router How to Configure a Default DMZ Server To assign a computer or server to be a Default DMZ server, follow these steps: 1. Log in to the modem at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of - Netgear DG632 | DG632 Reference Manual - Page 73
Reference Manual for the Model DG632 ADSL Modem Router Disable Port Scan and DOS Protection The Firewall protects your LAN against Port Scans and Denial of Service (DOS) attacks. This should be disabled only in special circumstances. Respond to Ping on Internet WAN Port If you want the modem to - Netgear DG632 | DG632 Reference Manual - Page 74
Reference Manual for the Model DG632 ADSL Modem Router These addresses are part of the Internet Engineering Task Force (IETF)-designated private address range for use in private networks, and should be suitable in most applications. If your network has a requirement to use a different IP addressing - Netgear DG632 | DG632 Reference Manual - Page 75
Reference Manual for the Model DG632 ADSL Modem Router • RIP Version This controls the format and the broadcasting method of the RIP packets that the modem sends. It recognizes both formats when receiving. By default, this is set for RIP-1. - RIP-1 is universally supported. RIP-1 is probably - Netgear DG632 | DG632 Reference Manual - Page 76
Reference Manual for the Model DG632 ADSL Modem Router • An IP Address from the range you have defined • Subnet Mask • Gateway IP Address is the router's LAN IP address • Primary DNS Server, if you entered a Primary DNS address in the Basic Settings menu; otherwise, the router's LAN IP address • - Netgear DG632 | DG632 Reference Manual - Page 77
Reference Manual for the Model DG632 ADSL Modem Router 2. From the Main Menu, under Advanced, click the LAN IP Setup link to view the menu, shown in Figure 6-15. 3. Enter the TCP/IP parameters. 4. Click Apply to save your changes. Using Static Routes Static Routes provide additional routing - Netgear DG632 | DG632 Reference Manual - Page 78
Manual for the Model DG632 ADSL Modem Router • A Metric value of 1 will work since the ISDN router is on the LAN. This represents the number of routers . How to Configure Static Routes 1. Log in to the router at its default LAN address of http://192.168.0.1 with its default User Name of admin - Netgear DG632 | DG632 Reference Manual - Page 79
Reference Manual for the Model DG632 ADSL Modem Router b. Type a route name for this static route in the Route Name box under the table. This is for identification purpose only. c. Type the Destination IP Address of the final destination. d. Type the IP Subnet Mask for this destination. If the - Netgear DG632 | DG632 Reference Manual - Page 80
Reference Manual for the Model DG632 ADSL Modem Router 6-28 Using Router Mode - Netgear DG632 | DG632 Reference Manual - Page 81
gives information about troubleshooting your DG632 ADSL Modem Router. After each problem description, instructions are provided to help you diagnose and solve the problem. For the common problems listed, go to the section indicated. • Is the router on? • Have I connected the router correctly? Go to - Netgear DG632 | DG632 Reference Manual - Page 82
Reference Manual for the Model DG632 ADSL Modem Router If a port's LED is lit, a link has been established to the connected device. If a LAN port is connected to a 100 Mbps device, verify that the - Netgear DG632 | DG632 Reference Manual - Page 83
Reference Manual for the Model DG632 ADSL Modem Router • Make sure your computer's IP address is on the same subnet as the router. If you are using the recommended addressing scheme, your computer's address should be in the range of 192.168.0.2 to 192.168.0.254. Refer to "Verifying TCP/IP Properties - Netgear DG632 | DG632 Reference Manual - Page 84
, be sure that you are connected to the line with the ADSL service. It may be necessary to use a swapper if your ADSL signal is on pins 2 and 5 or the RJ-11 jack. The DG632 modem router uses pins 3 and 4. Obtaining a WAN IP Address If your modem is unable to access the internet, and your WAN LED is - Netgear DG632 | DG632 Reference Manual - Page 85
Reference Manual for the Model DG632 ADSL Modem Router To check the WAN IP address from the browser interface: 1. Launch your browser and select an external site such as www.netgear.com. 2. Access the Main Menu of the modem's configuration at http://192.168.0.1. 3. Under the Maintenance heading - Netgear DG632 | DG632 Reference Manual - Page 86
for the Model DG632 ADSL Modem Router If you cannot connect after several minutes, you may be using an incorrect Service Name, User Name or Password. There also may be a provisioning problem with your ISP. Note: Unless you connect manually, the modem will not authenticate using PPPoE or PPPoA - Netgear DG632 | DG632 Reference Manual - Page 87
Reference Manual for the Model DG632 ADSL Modem Router 2. In the field provided, type Ping followed by the IP address of the router, as in this example: ping 192.168.0.1 3. Click OK. You should see a message like this one: Pinging with 32 bytes of data If the path is working, you see - Netgear DG632 | DG632 Reference Manual - Page 88
Manual for the Model DG632 ADSL Modem Router - Check that your PC has the IP address of your router listed as the default modem. If the IP configuration of your PC is assigned by DHCP, this information will not be visible in your PC's Network Control Panel. Verify that the IP address of the router - Netgear DG632 | DG632 Reference Manual - Page 89
Appendix A Technical Specifications This appendix provides technical specifications for the DG632 ADSL Modem Router. Network Protocol and Standards Compatibility Data and Routing Protocols: TCP/IP, RIP-1, RIP-2, DHCP, PPP over Ethernet (PPPoE) or PPP over ATM (PPPoA), RFC 1483 Bridged or Routed - Netgear DG632 | DG632 Reference Manual - Page 90
Reference Manual for the Model DG632 ADSL Modem Router LAN: WAN: 10BASE-T or 100BASE-Tx, RJ-45 USB 1.1 ADSL, RJ-11, pins 2 and 3 T1.413, G.DMT, G.Lite ITU Annex A or B A-2 Technical Specifications - Netgear DG632 | DG632 Reference Manual - Page 91
provides an overview of IP networks and routing. Related mirrored and indexed at many other sites worldwide. Basic Router Concepts Large amounts of bandwidth can be provided easily speed wide-area network (WAN) link such as a cable or DSL modem. In order to make the best use of the slower WAN link, - Netgear DG632 | DG632 Reference Manual - Page 92
vary in performance and scale, number of routing protocols supported, and types of physical WAN connection they support. The DG632 ADSL Modem Router is a small office router that routes the IP protocol over a single-user broadband connection. Routing Information Protocol One of the protocols used - Netgear DG632 | DG632 Reference Manual - Page 93
Reference Manual for the Model DG632 ADSL Modem Router The latter version is easier to remember and easier to enter into your computer. In addition, the 32 bits of the address are subdivided into two parts. The first part of the address identifies the network, and the second part identifies the - Netgear DG632 | DG632 Reference Manual - Page 94
Reference Manual for the Model DG632 ADSL Modem Router • Class C Class C addresses can have 254 hosts on a network. Class C addresses use 24 bits for the network address and eight bits for the node. They are in this range: 192.0.1.x to 223.255.254.x. • Class D Class D addresses are used for - Netgear DG632 | DG632 Reference Manual - Page 95
Reference Manual for the Model DG632 ADSL Modem Router As a shorter alternative to dotted-decimal notation, the netmask may also be expressed in terms of the number of ones from the left. This number is appended to the IP address, following a backward slash (/), as "/n." In the example, the address - Netgear DG632 | DG632 Reference Manual - Page 96
Manual for the Model DG632 ADSL Modem Router Although the preceding example uses the entire third octet for a subnet address, note that you are not restricted to octet boundaries in subnetting. To create more network numbers, you need only shift some bits from the host address to the network address - Netgear DG632 | DG632 Reference Manual - Page 97
Manual for the Model DG632 ADSL Modem Router Table 7-2. Netmask Formats 255.255.255.0 /24 255.255.255.128 /25 255.255.255.192 /26 255.255.255.224 /27 255.255.255.240 /28 255.255.255.248 /29 255.255.255.252 /30 255.255.255.254 /31 255.255.255.255 /32 NETGEAR - Netgear DG632 | DG632 Reference Manual - Page 98
Reference Manual for the Model DG632 ADSL Modem Router Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines explained here. For more information about address assignment, refer to RFC 1597, Address Allocation for Private Internets, and RFC 1466 - Netgear DG632 | DG632 Reference Manual - Page 99
Reference Manual for the Model DG632 ADSL Modem Router This scheme offers the additional benefit of firewall-like protection because the internal LAN addresses are not available to the Internet through the translated connection. All incoming inquiries are filtered out by the router. This filtering - Netgear DG632 | DG632 Reference Manual - Page 100
Reference Manual for the Model DG632 ADSL Modem Router Domain Name Server Many of the resources on the Internet can be addressed by simple descriptive names such as www.NETGEAR.com. This addressing is very helpful at the application level, but the descriptive name must be translated to an IP address - Netgear DG632 | DG632 Reference Manual - Page 101
Reference Manual for the Model DG632 ADSL Modem Router What is a Firewall? A firewall is a device that protects one network from another, while allowing communication between the two. A firewall incorporates the functions of the NAT router, while adding features for dealing with a hacker intrusion - Netgear DG632 | DG632 Reference Manual - Page 102
Reference Manual for the Model DG632 ADSL Modem Router . Table B-1. UTP Ethernet cable wiring, straight-through Pin Wire color Signal 1 Orange/White Transmit (Tx) + 2 Orange Transmit (Tx) - 3 Green/White Receive (Rx) + 4 Blue 5 Blue/White 6 - Netgear DG632 | DG632 Reference Manual - Page 103
Reference Manual for the Model DG632 ADSL Modem Router Inside Twisted Pair Cables For two devices to communicate, the transmitter of each device must be connected to the receiver of the other device. The - Netgear DG632 | DG632 Reference Manual - Page 104
Reference Manual for the Model DG632 ADSL Modem Router Figure B-3: Category 5 UTP Cable with Male RJ-45 Plug at Each End Note: Flat "silver satin" telephone cable may have the same RJ-45 plug. - Netgear DG632 | DG632 Reference Manual - Page 105
Reference Manual for the Model DG632 ADSL Modem Router The DG632 modem router incorporates Auto UplinkTM technology (also called MDI/MDIX). Each LOCAL Ethernet port will automatically sense whether the Ethernet cable plugged into the port should have a - Netgear DG632 | DG632 Reference Manual - Page 106
Reference Manual for the Model DG632 ADSL Modem Router B-16 Network and Routing Basics - Netgear DG632 | DG632 Reference Manual - Page 107
Internet through the DG632 ADSL Modem Router and how to verify the readiness of broadband Internet service from an Internet service provider (ISP). Note: If an ISP technician configured your computer during the installation of a broadband modem, or if you configured it using instructions provided by - Netgear DG632 | DG632 Reference Manual - Page 108
Manual for the Model DG632 ADSL Modem Router In your IP network, each PC and the router must be assigned a unique IP addresses. Each PC must also have certain other IP configuration information such as a subnet mask (netmask), a domain name server (DNS) address, and a default gateway address - Netgear DG632 | DG632 Reference Manual - Page 109
Reference Manual for the Model DG632 ADSL Modem Router You must have an Ethernet adapter, the TCP/IP protocol, and Client for Microsoft Networks. Note: It is not necessary to remove any other network components shown in the Network window in order to install the adapter, TCP/IP, or Client for - Netgear DG632 | DG632 Reference Manual - Page 110
Reference Manual for the Model DG632 ADSL Modem Router If you need Client for Microsoft Networks: a. Click the Add similarities in the procedures for different Windows systems when using DHCP to configure TCP/IP. The following steps will walk you through the configuration process for each of these - Netgear DG632 | DG632 Reference Manual - Page 111
Reference Manual for the Model DG632 ADSL Modem Router Verify the following settings as shown: • Client for Microsoft Network exists • Ethernet adapter is present • TCP/IP is present • Primary Network Logon is set to Windows logon Click on the Properties button. The following TCP/IP Properties - Netgear DG632 | DG632 Reference Manual - Page 112
Reference Manual for the Model DG632 ADSL Modem Router • By default, the IP Address tab is open on this window. • Verify the following: Obtain an IP address automatically is selected. If not selected, click in the radio button to the left of it to select it. This setting is required to enable - Netgear DG632 | DG632 Reference Manual - Page 113
Manual for the Model DG632 ADSL Modem Router 2. Type winipcfg, and then click OK. The IP Configuration window opens, which lists (among other things), your IP address using the default TCP/IP settings that NETGEAR recommends for connecting through a router or gateway: • The IP address is between 192. - Netgear DG632 | DG632 Reference Manual - Page 114
Reference Manual for the Model DG632 ADSL Modem Router DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4 You will find there are many similarities in the procedures for different Windows systems when using DHCP to configure TCP/IP. The following steps will walk you through the configuration - Netgear DG632 | DG632 Reference Manual - Page 115
Reference Manual for the Model DG632 ADSL Modem Router • Now you should be at the Local Area Network Connection Status the Properties button to view details about the connection. • The TCP/IP details are presented on the Support tab page. • Select Internet Protocol, and click Properties to view the - Netgear DG632 | DG632 Reference Manual - Page 116
Reference Manual for the Model DG632 ADSL Modem Router • Verify that the Obtain an IP address automatically radio button is selected. • Verify that Obtain DNS server address automatically radio button is selected. • Click the OK button. This completes the DHCP configuration of TCP/ IP in Windows XP. - Netgear DG632 | DG632 Reference Manual - Page 117
Reference Manual for the Model DG632 ADSL Modem Router • Click on the My Network Places icon on the Windows desktop. This will bring up a window Components checked are used by this connection:" • Client for Microsoft Networks and • Internet Protocol (TCP/IP) • Click OK. Preparing Your Network C-11 - Netgear DG632 | DG632 Reference Manual - Page 118
Reference Manual for the Model DG632 ADSL Modem Router • With Internet Protocol (TCP/IP) selected, click on Properties to open the Internet Protocol (TCP/IP) Properties dialogue box. • Verify that • Obtain an IP address automatically is selected. • Obtain DNS server address automatically is selected - Netgear DG632 | DG632 Reference Manual - Page 119
Reference Manual for the Model DG632 ADSL Modem Router DHCP Configuration of TCP/IP in Windows NT4 Once you have installed the network card, you need to configure the TCP/IP environment for Windows NT 4.0. Follow this procedure to configure TCP/IP with DHCP in Windows NT 4.0. • Choose Settings from - Netgear DG632 | DG632 Reference Manual - Page 120
Reference Manual for the Model DG632 ADSL Modem Router • Highlight the TCP/IP Protocol in the Network Protocols box, and click on the Properties button. C-14 Preparing Your Network - Netgear DG632 | DG632 Reference Manual - Page 121
Reference Manual for the Model DG632 ADSL Modem Router • The TCP/IP Properties dialog box now displays. • Click the IP Address tab. • Select the radio button marked Obtain an IP address from a DHCP server. • Click OK. This completes the configuration of TCP/IP in Windows NT. Restart the PC. Repeat - Netgear DG632 | DG632 Reference Manual - Page 122
Manual for the Model DG632 ADSL Modem Router • The default gateway is 192.168.0.1 4. Type exit Configuring the Macintosh for TCP/IP Networking Beginning with Macintosh Operating System 7, TCP/IP is already installed on the Macintosh. On each networked Macintosh, you need to configure TCP/IP /IP - Netgear DG632 | DG632 Reference Manual - Page 123
Reference Manual for the Model DG632 ADSL Modem Router 2. If not already selected, select Built-in Ethernet in the Configure list. 3. If not already selected, Select Using DHCP in the TCP/IP tab. 4. Click Save. Verifying TCP/IP Properties for Macintosh Computers After your Macintosh is configured - Netgear DG632 | DG632 Reference Manual - Page 124
Reference Manual for the Model DG632 ADSL Modem Router Verifying the Readiness of Your Internet Account For broadband access to the Internet, you need to contract with an Internet service provider (ISP) for a single-user Internet access account using a cable modem or DSL modem. This modem must be a - Netgear DG632 | DG632 Reference Manual - Page 125
Reference Manual for the Model DG632 ADSL Modem Router • An IP address and subnet mask • A gateway IP address, which is the address of the ISP's router • One or more domain name server (DNS) IP addresses • Host name and domain suffix For example, your account's full server names may look like this: - Netgear DG632 | DG632 Reference Manual - Page 126
Manual for the Model DG632 ADSL Modem Router If an IP address appears under Installed Gateways, write down the address. This is the ISP's gateway address. Select the address and then click Remove to remove the gateway address. 6. Select the DNS Configuration tab. If any DNS server addresses - Netgear DG632 | DG632 Reference Manual - Page 127
Reference Manual for the Model DG632 ADSL Modem Router Restarting the Network Once you have set up your computers to work with the router, you must of your computers for TCP/IP networking and restarting them, and connecting them to the local network of your DG632 modem router, you are ready to access - Netgear DG632 | DG632 Reference Manual - Page 128
Reference Manual for the Model DG632 ADSL Modem Router C-22 Preparing Your Network - Netgear DG632 | DG632 Reference Manual - Page 129
.NETGEAR.com) to numeric IP addresses. DSL Access Multiplexor. The piece of equipment at the telephone company central office that provides the ADSL signal assigned information includes IP addresses, DNS addresses, and gateway (router) addresses. A local device, usually a router, that connects hosts - Netgear DG632 | DG632 Reference Manual - Page 130
Manual for the Model DG632 ADSL Modem Router IP Address IPSec ISP Internet Protocol LAN local area network MAC address Mbps MSB MTU Maximum Transmit A four-byte number uniquely defining each host on the Internet. Ranges of addresses security than PPTP. Internet service provider. The main - Netgear DG632 | DG632 Reference Manual - Page 131
Reference Manual for the Model DG632 ADSL Modem Router Network Address Translation packet PPP PPPoA PPPoE PPP over ATM PPP over Ethernet PPTP PSTN Point-to-Point Protocol RFC RIP router Routing Information Protocol subnet mask UTP A technique by which several hosts share a single IP address for - Netgear DG632 | DG632 Reference Manual - Page 132
Reference Manual for the Model DG632 ADSL Modem Router VCI VPI WAN wide area network Windows Internet Naming Service WINS Virtual Channel WAN. WINS. Windows Internet Naming Service is a server process for resolving Windows-based computer names to IP addresses. If a remote network contains a
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April 2004
NETGEAR
, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
Reference Manual for the
Model DG632 ADSL
Modem Router