Netgear DG824M DG824M Reference manual

Netgear DG824M - 802.11b Wireless ADSL Modem Manual

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  • Netgear DG824M | DG824M Reference manual - Page 1
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone 1-888-NETGEAR SM-DG824MNA-0 November 2002
  • Netgear DG824M | DG824M Reference manual - Page 2
    NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions the DG824M Wireless ADSL Modem Gateway
  • Netgear DG824M | DG824M Reference manual - Page 3
    the cause of radio interference. Read instructions for correct handling. Customer Support Refer to the Support Information Card that shipped with your DG824M Wireless ADSL Modem Gateway. World Wide Web NETGEAR maintains a World Wide Web home page that you can access at the universal resource locator
  • Netgear DG824M | DG824M Reference manual - Page 4
    iv
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    Configuration Requirements 2-2 Internet Configuration Requirements 2-2 Where Do I Get the Internet Configuration Parameters 2-2 Connecting the DG824M Wireless ADSL Modem Gateway to Your LAN 2-5 Connecting the DG824M to the Internet 2-9 Testing Your Internet Connection 2-16 Manually Configuring
  • Netgear DG824M | DG824M Reference manual - Page 6
    Equivalent Privacy 3-7 Chapter 4 Protecting Your Network Protecting Access to Your DG824M Wireless ADSL Modem Gateway 4-1 Configuring Basic Firewall Services 4-3 Blocking Keywords, Sites, and Services 4-3 Rules ...4-5 Inbound Rules (Port Forwarding 4-7 Inbound Rule Example: A Local Public Web
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    6-1 Setting Up A Default DMZ Server 6-1 Respond to Ping on Internet WAN Port 6-2 Configuring LAN IP Settings 6-3 LAN TCP/IP Setup 6-3 MTU Size ...6-4 DHCP ...6-5 Reserved IP addresses 6-6 Configuring Dynamic DNS 6-7 Using Static Routes ...6-9 Static Route Example 6-9 Chapter 7 Troubleshooting
  • Netgear DG824M | DG824M Reference manual - Page 8
    the Default Configuration and Password 7-9 Problems with Date and Time 7-9 Appendix A Technical Specifications Appendix B Network and Routing Basics Related Publications ...B-1 Basic Router Concepts B-1 What is a Router B-2 Routing Information Protocol B-2 IP Addresses and the Internet
  • Netgear DG824M | DG824M Reference manual - Page 9
    , 98, and Me for TCP/IP Networking C-2 Install or Verify Windows Networking Components C-2 Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me C-4 Selecting Windows' Internet Access Method C-6 Verifying TCP/IP Properties C-6 Configuring Windows NT4, 2000 or XP for
  • Netgear DG824M | DG824M Reference manual - Page 10
    x Contents
  • Netgear DG824M | DG824M Reference manual - Page 11
    Setup 2-14 Procedure 2-7: Wizard-Detected Fixed IP (Static) Account Setup 2-15 Procedure 2-8: Manual Configuration 2-18 Procedure 3-1: Configuring Basic Wireless Network Settings 3-3 Procedure 3-2: Restricting Wireless Access by MAC Address 3-5 Procedure 4-1: Changing the Built-In Password
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    2
  • Netgear DG824M | DG824M Reference manual - Page 13
    Preface About This Guide Thank you for purchasing the NETGEAR™ DG824M Wireless ADSL Modem Gateway. Audience This reference manual assumes that the reader has basic to intermediate computer and Internet skills. However, basic computer network, Internet, firewall, and wireless technologies tutorial
  • Netgear DG824M | DG824M Reference manual - Page 14
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Typographical Conventions This guide uses the following typographical . ALL CAPS DOS file and directory names. Special Message Formats This guide uses the following formats to highlight special messages: Note: This format
  • Netgear DG824M | DG824M Reference manual - Page 15
    This chapter describes the features of the NETGEAR DG824M Wireless ADSL Modem Gateway. The DG824M gateway is a combination of a built-in ADSL modem, router, 4-port switch, and firewall which enables your entire network to safely share an Internet connection that otherwise is used by a single
  • Netgear DG824M | DG824M Reference manual - Page 16
    Manual for the Model DG824M Wireless ADSL Modem Gateway • 802.11b Standards-based wireless networking • Content Filtering • Auto Sensing and Auto Uplink™ LAN Ethernet Connections • Extensive Internet Protocol Support • Easy, web-based setup for installation and management • A built-in ADSL modem
  • Netgear DG824M | DG824M Reference manual - Page 17
    Model DG824M Wireless ADSL Modem Gateway Content Filtering With its content filtering feature, the DG824M prevents objectionable content from reaching your PCs. The gateway allows you to control access to Internet content by screening for keywords within Web addresses. You can configure the gateway
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • DNS Proxy When DHCP is enabled and no DNS addresses are specified, the gateway provides its own address as a DNS server to the attached PCs. The gateway obtains actual DNS addresses from the ISP during connection setup and forwards
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • Diagnostic functions The gateway incorporates built-in diagnostic functions such as Ping, DNS lookup, and remote reboot. These functions allow you to test Internet connectivity and reboot the gateway. You can use these diagnostic
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    : • DG824M Wireless ADSL Modem Gateway • AC power adapter (varies by region) • Category 5 (Cat 5) Ethernet cable • Telephone cable • Microfilters (quantity and type vary by region) • Model DG824M Resource CD, including: - This guide - Application Notes • A Quick Printed Installation Guide • Warranty
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway You can use the LEDs to verify various conditions. Table 1-1 lists and describes each LED on the front panel of the router. These LEDs are green when lit. Table 1-1. LED Descriptions Label Power Activity On Off Description Power
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    ADSL Modem Gateway The Gateway's Rear Panel The rear panel of the DG824M Wireless ADSL Modem Gateway (Figure 1-2) contains port connections. Figure 1-2: DG824M Rear Panel Viewed from left to right, the rear panel contains the following elements: • AC power adapter outlet • Factory Default Reset
  • Netgear DG824M | DG824M Reference manual - Page 23
    the Gateway to the Internet This chapter describes how to set up the gateway on your Local Area Network (LAN), connect to the Internet, how to configure your DG824M Wireless ADSL Modem Gateway for Internet access using the Setup Wizard, or how to manually configure your Internet connection
  • Netgear DG824M | DG824M Reference manual - Page 24
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Computer Hardware Requirements To use the DG824M gateway on your network, each computer must have an installed Ethernet Network Interface Card (NIC) and an Ethernet cable, or a 802.11b wireless adapter. If the computer will connect
  • Netgear DG824M | DG824M Reference manual - Page 25
    to the DG824M 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 Connection Information
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    Manual for the Model DG824M Wireless ADSL Modem Gateway Procedure 2-1: 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 DG824M
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Connecting the DG824M Wireless ADSL Modem Gateway to Your LAN This section provides instructions for connecting the DG824M gateway. Note: The Resource CD included with your gateway contains an animated Installation Assistant to help
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    Manual for the Model DG824M Wireless ADSL Modem Gateway 1. Connect the DG824M. a. Turn off your computer. b. Connect the cable (A) from the DG824M ADSL port to your ADSL outlet, being sure to properly connect the wires as shown in the illustration below. Line A Wireless ADSL Modem Gateway DG824M
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway c. Connect the Ethernet cable (B) from your DG824M's LAN port to a computer. Line DSL Phone B Wireless ADSL Modem Gateway DG824M Figure 2-2: Connect the gateway to a computer Note: The DG824M gateway incorporates Auto UplinkTM
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Note: For instructions on connecting computers to the DG824M via wireless links, please see the Chapter 3, "Wireless Configuration". 2. Log in to the DG824M. Note: If you usually run software to log in to your Internet connection, do
  • Netgear DG824M | DG824M Reference manual - Page 31
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 3. Connect to the Internet. Figure 2-5: Setup Wizard a. You are now connected to the gateway. If you do not see the menu above, click the Setup Wizard link on the upper left of the main menu. Click the Yes button in the Setup Wizard.
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    for the Model DG824M Wireless ADSL Modem Gateway • Let the DG824M auto-detect the type of Internet connection you have and configure it. • Manually choose which type of Internet connection you have and configure it. These options are described below. In either case, unless your ISP automatically
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • Fixed IP address assignment Next, the Setup Wizard will report which connection type it has discovered, and then display the appropriate configuration menu. If the Setup Wizard finds no connection, you will be prompted to check the
  • Netgear DG824M | DG824M Reference manual - Page 34
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Note: You will no longer need to launch the ISP's login program on your PC in order to access the Internet. When you start an Internet application, your gateway will automatically log you in. 3. Domain Name Server (DNS) Address: If
  • Netgear DG824M | DG824M Reference manual - Page 35
    Manual for the Model DG824M Wireless ADSL Modem Gateway 1. Enter your Login and Password. These fields are case sensitive. If you wish to change the login timeout, enter a new value in minutes. This determines how long the gateway keeps the Internet connection active after there is no Internet
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    DG824M Wireless ADSL Modem Gateway Procedure 2-6: Wizard-Detected Dynamic IP Account Setup If the Setup Wizard determines that your Internet service account uses Dynamic IP assignment, you will be directed to the menu shown in Figure 2-9 below: Figure 2-9: Setup Wizard menu for Dynamic IP address
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway If your ISP allows access from only one specific computer's Ethernet MAC address, select "Use this MAC address." The gateway will then capture and use the MAC address of the computer that you are now using. You must be using the one
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    Manual for the Model DG824M Wireless ADSL Modem Gateway 2. Enter the IP address of your ISP's Primary DNS Server. If a Secondary DNS Server address is available, enter it also. A DNS servers are required to perform the function of translating an Internet name such as www.netgear.com to a numeric IP
  • Netgear DG824M | DG824M Reference manual - Page 39
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Manually Configuring Your Internet Connection You can manually configure your gateway using the menu below, or you can allow the Setup Wizard to determine your configuration as described in the previous section. Figure 2-11: Browser-
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    DG824M Wireless ADSL Modem Gateway Procedure 2-8: Manual Configuration You can manually configure the gateway in the Basic Settings menu shown in Figure 2-11 using these steps: 1. If your ISP ADSL service requires setting the Multiplexing Method and VPI/VCI parameters, click on the ADSL Settings
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    Manual for the Model DG824M Wireless ADSL Modem Gateway b. Internet IP Address: If your ISP has assigned you a permanent, fixed (static) IP address for your PC, select "Use static IP address". Enter the IP address that your ISP assigned. Also enter the netmask and the Gateway IP address. The Gateway
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 2-20 Connecting the Gateway to the Internet
  • Netgear DG824M | DG824M Reference manual - Page 43
    Chapter 3 Wireless Configuration This chapter describes how to configure the wireless features of your DG824M Wireless ADSL Modem Gateway. Considerations For A Wireless Network In planning your wireless network, you should consider the level of security required. You should also select the physical
  • Netgear DG824M | DG824M Reference manual - Page 44
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Note: Failure to follow these guidelines can result in significant performance degradation or inability to wirelessly connect to the router. For best results, place your gateway: • Near the center of the area in which your PCs will
  • Netgear DG824M | DG824M Reference manual - Page 45
    . • Access Point. - All wireless stations. Any wireless station can connect. - Trusted PCs only. Only PCs with MAC address which you have specified can connect. Procedure 3-1: Configuring Basic Wireless Network Settings 1. Choose an SSID for the gateway and all wireless PCs Devices on an 802.11b
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 3. Set the Channel. This field determines which operating frequency will be used. It should not be necessary to change the wireless channel unless you notice interference problems with another nearby wireless router or access point.
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Procedure 3-2: Restricting Wireless Access by MAC Address To restrict access based on MAC addresses, follow these steps: 1. From the Wireless Settings menu, click the Trusted PCs button to display the Wireless Access menu, shown below
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    Manual for the Model DG824M Wireless ADSL Modem Gateway Configuring Wired Equivalent Privacy (WEP) Figure 3-3. Wireless WEP menu In the Wireless Settings menu you can configure WEP data encryption using the following parameters: • Authentication Type Normally this can be left at the default
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • Automatic - Enter a word or group of printable characters in the Passphrase box and click the Generate button. The keys will be automatically populated with key
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    Manual for the Model DG824M Wireless ADSL Modem Gateway • Automatic - Enter a word or group of printable characters in the Passphrase box and click the Generate button. Select which of the four keys will be active. Click Apply to save any settings from this menu. 3-8 Wireless Configuration
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    . Protecting Access to Your DG824M Wireless ADSL Modem Gateway For security reasons, the gateway has its own user name and password. Also, after a period of inactivity for a set length of time, the administrator login will automatically disconnect. When prompted, enter admin for the gateway User
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 2. From the Main Menu of the browser interface, under the Maintenance heading, select Set Password to bring up the menu shown in Figure 4-2. Figure 4-2: Set Password menu 3. To change the password, first enter the old password, and
  • Netgear DG824M | DG824M Reference manual - Page 53
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Configuring Basic Firewall Services Basic firewall services you can configure include access blocking and scheduling of firewall security. These topics are presented below. Blocking Keywords, Sites, and Services The gateway provides a
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Internet browsing access. Up to 32 entries are supported in the Keyword list. 4. To delete a keyword or domain, select it from the list, click Delete Keyword, then click Apply. 5. To specify a Trusted User, enter that PC's IP address
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 6. Click Apply to save your settings. Rules Firewall rules are used to block or allow specific traffic passing through from one side to the other. Inbound rules (WAN to LAN) restrict access by outsiders to private resources,
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway To access the Rules configuration of the DG824M, click the Rules link on the main menu, then click Add for either an Outbound or Inbound Service. Figure 4-4: Rules menu • To edit an existing rule, select its button on the left side
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Inbound Rules (Port Forwarding) Because the DG824M uses Network Address Translation (NAT), your network presents only one IP address to the Internet, and outside users cannot directly address any of your local computers. However, by
  • Netgear DG824M | DG824M Reference manual - Page 58
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway The parameters are: • Service From this list, select the application or service to be allowed or blocked. The list already displays many common services, but you are not limited to these choices. Use the Add Services menu to add any
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Inbound Rule Example: Allowing Videoconference from Restricted Addresses If you want to allow incoming videoconferencing to be initiated from a restricted range of outside IP addresses, such as from a branch office, you can create an
  • Netgear DG824M | DG824M Reference manual - Page 60
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Outbound Rules (Service Blocking) The DG824M allows you to block the use of certain Internet services by PCs on your network. This is called service blocking or port filtering. You can define an outbound rule to block Internet access
  • Netgear DG824M | DG824M Reference manual - Page 61
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway The parameters are: • Service From this list, select the application or service to be allowed or blocked. The list already displays many common services, but you are not limited to these choices. Use the Add Services menu to add any
  • Netgear DG824M | DG824M Reference manual - Page 62
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Order of Precedence for Rules As you define new rules, rules in the order shown in the Rules Table, beginning at the top and proceeding to the default rules at the bottom. In some cases, the order of precedence of two or more rules may
  • Netgear DG824M | DG824M Reference manual - Page 63
    DG824M Wireless ADSL Modem Gateway 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 information, and game hosts serve data about other players' moves. When a computer on the Internet
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    Manual for the Model DG824M Wireless ADSL Modem Gateway • To delete an existing Service, select its button on the left side of the table and click Delete. 3. Modify the menu shown below for defining or editing a service. Figure 4-10: Add Services menu 4. Click Apply to save your changes. Setting
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 2. Click on the Schedule link of the Security menu to display menu shown below. Figure 4-11: Schedule Services menu 3. Select your Time Zone. This setting will be used for the blocking schedule according to your local time zone and
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    DG824M Wireless ADSL Modem Gateway Procedure 4-5: Scheduling Firewall Services If you enabled services blocking in the Block Services menu or Port forwarding in the Ports menu, you can set up a schedule for when blocking occurs or when access isn't restricted. 1. Log in to the gateway at its default
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    tasks with your DG824M Wireless ADSL Modem Gateway. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the DG824M gateway are stored in a configuration file in the gateway. This file can be backed up to your computer, restored, or reverted to factory default settings. The
  • Netgear DG824M | DG824M Reference manual - Page 68
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 2. From the Maintenance heading of the Main Menu, select the Settings Backup menu as seen in Figure 5-1. Figure 5-1: Settings Backup menu 3. Click Backup to save a copy of the current settings. 4. Store the .cfg file on a computer on
  • Netgear DG824M | DG824M Reference manual - Page 69
    To restore the factory default configuration settings without knowing the login password or IP address, you must use the Default Reset button on the rear panel of the gateway. See "DG824M Rear Panel" on page 1-8. Upgrading the Gateway's Firmware The software of the DG824M gateway is stored in FLASH
  • Netgear DG824M | DG824M Reference manual - Page 70
    doing a firmware upgrade. After the upgrade is complete, you may need to restore your configuration settings. 1. Download and unzip the new software file from NETGEAR. The Web browser used to upload new firmware into the gateway must support HTTP uploads. NETGEAR recommends using Microsoft Internet
  • Netgear DG824M | DG824M Reference manual - Page 71
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Network Management Information The DG824M provides a variety of status and usage information which is discussed below. Viewing Gateway Status and Usage Statistics From the Main Menu, under Maintenance, select Gateway Status to view
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    Manual for the Model DG824M Wireless ADSL Modem Gateway This screen shows the following parameters: Table 5-1. Menu 3.2 - Gateway Status Fields Field System Name Firmware Version WAN Port MAC Address IP Address DHCP IP Subnet Mask Domain Name Servers (DNS) LAN Port MAC Address IP Address IP
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    DG824M Wireless ADSL Modem Gateway Click on the "Show Statistics" button to display gateway usage statistics, as shown in Figure 5-3 below: Figure 5-4: Gateway Statistics screen This screen shows the following statistics:. Table 5-1. Gateway Statistics Fields Field WAN, LAN, or Serial Port
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    /IP configuration. IP Address The IP Address assigned to the WAN port by the ADSL Internet Service Provider. Network Mask Then Network Mask assigned to the WAN port by the ADSL Internet Service Provider. Default Gateway Then Default Gateway router assigned to the WAN port by the ADSL Internet
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Viewing Attached Devices The Attached Devices menu contains a table of all IP devices that the gateway has discovered on the local network. From the Main Menu of the browser interface, under the Maintenance heading, select Attached
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Viewing, Selecting, and Saving Logged Information The gateway will log security-related events such as denied incoming service requests, hacker probes, and administrator logins. If you enabled content filtering in the Block Sites menu
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Log entries are described in Table 5-1 Table 5-1. Security Log entry descriptions Field Date and Time Description or Action Source IP Source port and interface Destination Destination port and interface Description The date and
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    Model DG824M Wireless ADSL Modem Gateway • Router operation (start up, get time, etc.) • Known DoS attacks and Port Scans Saving Log Files on a Server You can choose to write the logs to a PC running a syslog program. To activate this feature, check the box under Syslog and enter the IP address of
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Enabling Security Event E-mail gateway. • Your outgoing mail server Enter the name or IP address of your ISP's outgoing (SMTP) mail server (such as mail.myISP.com). You may be able to find this information in the configuration
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • Send alert immediately Check this box if you would like immediate notification of a significant security event, such as a known attack, port scan, or attempted access to a blocked site. • Send logs according to this schedule
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Running Diagnostic Utilities and Rebooting the Router The DG824M gateway has a diagnostics feature. You can use the diagnostics menu to perform the following functions from the gateway: • Ping an IP Address to test connectivity to see
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    the Model DG824M Wireless ADSL Modem Gateway Enabling Remote Management Using the Remote Management page, you can allow a user or users on the Internet to configure, upgrade and check the status of your NETGEAR Cable/DSL ProSafe VPN Firewall. Note: Be sure to change the router's default password to
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    the Model DG824M Wireless ADSL Modem Gateway 6. Click Apply to have your changes take effect. When accessing your gateway from the Internet, you will type your gateway's WAN IP address in your browser's Address (in IE) or Location (in Netscape) box, followed by a colon (:) and the custom port number
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 5-18 Managing Your Network
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    ADSL Modem Gateway. Configuring Advanced Security The DG824M Wireless ADSL Modem Gateway provides a variety of advanced features, such as: • Setting up a Demilitarized Zone (DMZ) Server • The flexibility of configuring your LAN TCP/IP settings These features are discussed below. Setting Up A Default
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    Model DG824M Wireless ADSL Modem Gateway Incoming traffic from the Internet is normally discarded by the gateway unless the traffic is a response to one of your local computers or a service that you have configured in the Ports menu. Instead of discarding this traffic, you can have it forwarded to
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    Manual for the Model DG824M Wireless ADSL Modem Gateway Configuring LAN IP Settings The LAN IP Setup menu allows configuration of LAN IP services such as DHCP and RIP. These features can be found under the Advanced heading in the Main Menu of the browser interface. LAN TCP/IP Setup The gateway
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway The LAN TCP/IP Setup parameters are: • IP Address This is the LAN IP address of the gateway. • IP Subnet Mask This is the LAN Subnet Mask of the gateway. Combined with the IP address, the IP Subnet Mask allows a device to know which
  • Netgear DG824M | DG824M Reference manual - Page 89
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Any packets sent through the gateway that are larger than the configured MTU size will be repackaged into smaller packets to meet the MTU requirement. To change the MTU size: 1. Under MTU Size, select Custom. 2. Enter a new
  • Netgear DG824M | DG824M Reference manual - Page 90
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • WINS Server, short for Windows Internet Naming Service Server, determines the IP address associated with a particular Windows computer. A WINS server records and reports a list of names and IP address of Windows PCs on its local
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    the Model DG824M Wireless ADSL Modem Gateway 2. From the Main Menu, under Advanced, click the LAN IP Setup link to view the menu, shown in Figure 6-3 Figure 6-3: LAN IP Setup Menu 3. Enter the TCP/IP, MTU, DHCP, or Reserved IP parameters. 4. Click Apply to save your changes. Configuring Dynamic
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    Manual for the Model DG824M Wireless ADSL Modem Gateway The gateway contains a client that can connect to a dynamic DNS service provider. To use this feature, you must select a service provider and obtain an account with them. After you have configured your account information in the gateway
  • Netgear DG824M | DG824M Reference manual - Page 93
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Using Static Routes Static Routes provide additional routing information to your gateway. Under normal circumstances, the gateway has adequate routing information after it has been configured for Internet access, and you do not need
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    Manual for the Model DG824M Wireless ADSL Modem Gateway Procedure 6-3: Configuring Static Routes 1. Log in to the gateway 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 User Name, Password and LAN address
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway c. Select Active to make this route effective. d. Select Private if you want to limit access to the LAN only. The static route will not be reported in RIP. e. Type the Destination IP Address of the final destination. f. Type the IP
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    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 6-12 Advanced Configuration
  • Netgear DG824M | DG824M Reference manual - Page 97
    This chapter gives information about troubleshooting your DG824M Wireless ADSL Modem Gateway. 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 gateway on? • Have I connected the
  • Netgear DG824M | DG824M Reference manual - Page 98
    the gateway's configuration to factory defaults. This will set the gateway's IP address to 192.168.0.1. This procedure is explained in "Using the Default Reset button" on page 7-9. If the error persists, you might have a hardware problem and should contact technical support. LAN or WAN Port LEDs
  • Netgear DG824M | DG824M Reference manual - Page 99
    current IP address, clear the gateway's configuration to factory defaults. This will set the gateway's IP address to 192.168.0.1. This procedure is explained in "Using the Default Reset button" on page 7-9. • Make sure your browser has Java, JavaScript, or ActiveX enabled. If you are using Internet
  • Netgear DG824M | DG824M Reference manual - Page 100
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • When entering configuration settings, be sure to click the APPLY button before moving to another menu or tab, or your changes are lost. • Click the Refresh or Reload button
  • Netgear DG824M | DG824M Reference manual - Page 101
    you are connected to the line with the ADSL service. It may be necessary to use a swapper if you ADSL signal is on pins 1 and 4 or the RJ-11 jack. The DG824M gateway uses pins 2 and 3. Obtaining a WAN IP Address If your gateway is unable to access the internet, and your WAN LED is green or blinking
  • Netgear DG824M | DG824M Reference manual - Page 102
    Service Name, User Name or Password. There also may be a provisioning problem with your ISP. Note: Unless you connect manually, the gateway will not authenticate using PPPoE or PPPoA until data is transmitted to the network. Troubleshooting Internet Browsing If your gateway can obtain an IP address
  • Netgear DG824M | DG824M Reference manual - Page 103
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS servers for your use. If you entered a DNS address
  • Netgear DG824M | DG824M Reference manual - Page 104
    the hub ports (if any) that are connected to your workstation and router. • Wrong network configuration - Verify that the Ethernet card driver software and TCP/IP software are both installed and configured on your PC or workstation. - Verify that the IP address for your router and your workstation
  • Netgear DG824M | DG824M Reference manual - Page 105
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Restoring the Default Configuration and Password This section explains how to restore the factory default configuration settings, changing the router's administration password to password and the IP address to 192.168.0.1. You can
  • Netgear DG824M | DG824M Reference manual - Page 106
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 7-10 Troubleshooting
  • Netgear DG824M | DG824M Reference manual - Page 107
    This appendix provides technical specifications for the DG824M Wireless ADSL Modem Gateway. 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 Ethernet Power Adapter North
  • Netgear DG824M | DG824M Reference manual - Page 108
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Operating humidity: 90% maximum relative humidity, noncondensing Electromagnetic Emissions Meets requirements of: Interface Specifications LAN: WAN: FCC Part 15 Class B VCCI Class B EN 55 022 (CISPR 22), Class B 10BASE-T or
  • Netgear DG824M | DG824M Reference manual - Page 109
    such as a cable or DSL modem. In order to make the best use of the slower WAN link, a mechanism must be in place for selecting and transmitting only the data traffic meant for the Internet. The function of selecting and forwarding this data is performed by a router. Network and Routing Basics B-1
  • Netgear DG824M | DG824M Reference manual - Page 110
    the best path for forwarding network traffic. Routers vary in performance and scale, number of routing protocols supported, and types of physical WAN connection they support. The DG824M Wireless ADSL Modem Gateway is a small office router that routes the IP protocol over a single-user broadband
  • Netgear DG824M | DG824M Reference manual - Page 111
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 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
  • Netgear DG824M | DG824M Reference manual - Page 112
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway • 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
  • Netgear DG824M | DG824M Reference manual - Page 113
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 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,
  • Netgear DG824M | DG824M Reference manual - Page 114
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 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
  • Netgear DG824M | DG824M Reference manual - Page 115
    Manual for the Model DG824M Wireless ADSL Modem Gateway 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 DG824M | DG824M Reference manual - Page 116
    Manual for the Model DG824M Wireless ADSL Modem Gateway Single IP Address Operation Using NAT In the past, if multiple PCs on a LAN needed to access the Internet simultaneously, you had to obtain a range of IP addresses from the ISP. This type of Internet account is more costly than a single-address
  • Netgear DG824M | DG824M Reference manual - Page 117
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway 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
  • Netgear DG824M | DG824M Reference manual - Page 118
    Manual for the Model DG824M Wireless ADSL Modem Gateway 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
  • Netgear DG824M | DG824M Reference manual - Page 119
    Manual for the Model DG824M Wireless ADSL Modem Gateway Ethernet Cabling Although Ethernet networks originally used thick or thin coaxial cable, most installations an Uplink switch which will exchange the pairs on one port, allowing that port to be connected to another hub using a normal Ethernet
  • Netgear DG824M | DG824M Reference manual - Page 120
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Cable Quality A Network Address Translation (NAT) process, the network behind the NAT router is shielded from access by outsiders on the Internet. However hacker's IP address for a period of time. B-12 Network and Routing Basics
  • Netgear DG824M | DG824M Reference manual - Page 121
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Stateful Packet Inspection Unlike simple Internet sharing routers, a firewall uses interoperability among 802.11b devices. Wireless Network Configuration The 802.11b standard offers two methods for configuring a wireless network - ad
  • Netgear DG824M | DG824M Reference manual - Page 122
    Manual for the Model DG824M Wireless ADSL Modem Gateway Ad Hoc Mode (Peer-to-Peer Workgroup) In an ad hoc network, computers are brought together as needed; thus, there is no structure or fixed points to the network - each node can generally communicate with any other node. There is no Access Point
  • Netgear DG824M | DG824M Reference manual - Page 123
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway Authentication and WEP Encryption The absence of a physical connection between nodes makes the wireless links vulnerable to eavesdropping and information theft. To provide a certain level of security, the IEEE 802.11 standard has
  • Netgear DG824M | DG824M Reference manual - Page 124
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway The radio frequency channels used are listed in Table 7-2: Table 7-2. 802. supported by the wireless products in various countries are different. The preferred channel separation between the channels in neighboring wireless
  • Netgear DG824M | DG824M Reference manual - Page 125
    the Model RP614 Web Safe 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 your ISP
  • Netgear DG824M | DG824M Reference manual - Page 126
    software to install TCP/IP on your computer. In your IP network, each PC and the firewall 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 DG824M | DG824M Reference manual - Page 127
    Reference Manual for the Model RP614 Web Safe 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 DG824M | DG824M Reference manual - Page 128
    Reference Manual for the Model RP614 Web Safe Router If you need Client for Microsoft Networks: a. Click the Add DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me After the TCP/IP protocol components are installed, each PC must be assigned specific information about itself
  • Netgear DG824M | DG824M Reference manual - Page 129
    Reference Manual for the Model RP614 Web Safe 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 window
  • Netgear DG824M | DG824M Reference manual - Page 130
    server to automatically assign an IP address. • Click OK to continue. Restart the PC. Repeat these steps for each PC with this version of Windows on your network. Selecting Windows' Internet Access Method 1. On the Windows taskbar, click the Start button, point to Settings, and then click Control
  • Netgear DG824M | DG824M Reference manual - Page 131
    the values below if you are using the default TCP/IP settings that NETGEAR recommends for connecting through a router or gateway: • The IP address is between 192.168.0.2 and 192.168.0.254 • The subnet mask is 255.255.255.0 • The default gateway is 192.168.0.1 Configuring Windows NT4, 2000 or XP for
  • Netgear DG824M | DG824M Reference manual - Page 132
    Manual for the Model RP614 Web Safe 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 set up
  • Netgear DG824M | DG824M Reference manual - Page 133
    . • Administrator logon access rights are needed to use this window. • Click 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 configuration information. Preparing Your
  • Netgear DG824M | DG824M Reference manual - Page 134
    Windows 2000 Once again, after you have installed the network card, TCP/IP for Windows 2000 is configured. TCP/IP should be added by default and set to DHCP without your having to configure it. However, if there are problems, follow these steps to configure TCP/IP with DHCP for Windows 2000. C-10
  • Netgear DG824M | DG824M Reference manual - Page 135
    Reference Manual for the Model RP614 Web Safe Router • Click on the My Network Places icon on the Windows desktop. This will bring up a box of "Components checked are used by this connection:" • Client for Microsoft Networks and • Internet Protocol (TCP/IP) • Click OK. Preparing Your Network C-11
  • Netgear DG824M | DG824M Reference manual - Page 136
    Reference Manual for the Model RP614 Web Safe 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 DG824M | DG824M Reference manual - Page 137
    Reference Manual for the Model RP614 Web Safe 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 DG824M | DG824M Reference manual - Page 138
    Reference Manual for the Model RP614 Web Safe Router • Highlight the TCP/IP Protocol in the Network Protocols box, and click on the Properties button. C-14 Preparing Your Network
  • Netgear DG824M | DG824M Reference manual - Page 139
    A command window opens 3. Type ipconfig /all Your IP Configuration information will be listed, and should match the values below if you are using the default TCP/IP settings that NETGEAR recommends for connecting through a router or gateway: • The IP address is between 192.168.0.2 and 192.168.0.254
  • Netgear DG824M | DG824M Reference manual - Page 140
    Manual for the Model RP614 Web Safe 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 will need to configure TCP/IP
  • Netgear DG824M | DG824M Reference manual - Page 141
    default TCP/IP settings that NETGEAR recommends: • The IP Address is between 192.168.0.2 and 192.168.0.254 • The Subnet mask is 255.255.255.0 • The Router address is 192.168.0.1 If you do not see these values, you may need to restart your Macintosh or you may need to switch the "Configure" setting
  • Netgear DG824M | DG824M Reference manual - Page 142
    Reference Manual for the Model RP614 Web Safe 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 DG824M | DG824M Reference manual - Page 143
    you need to configure the firewall for Internet access: 1. On the Windows taskbar, click the Start button, point to Settings, and then click Control Panel. 2. Double-click the Network icon. The Network window opens, which displays a list of installed components. 3. Select TCP/IP, and then click
  • Netgear DG824M | DG824M Reference manual - Page 144
    Reference Manual for the Model RP614 Web Safe 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 DG824M | DG824M Reference manual - Page 145
    Reference Manual for the Model RP614 Web Safe Router Restarting the Network Once you've set up your computers to work with the firewall, you must reset the network for the devices to be able to communicate correctly. Restart any computer that is connected to the firewall. After configuring all of
  • Netgear DG824M | DG824M Reference manual - Page 146
    Reference Manual for the Model RP614 Web Safe Router C-22 Preparing Your Network
  • Netgear DG824M | DG824M Reference manual - Page 147
    -Tx 802.11b ADSL Asymmetric Digital Subscriber Line Denial of Service attack DHCP DNS Domain Name Domain Name Server DSLAM IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. IEEE 802.3 specification for 100 Mbps Ethernet over twisted pair wiring. IEEE specification for wireless
  • Netgear DG824M | DG824M Reference manual - Page 148
    Model DG824M Wireless ADSL Modem Gateway Dynamic Host Configuration Protocol DHCP. An Ethernet protocol specifying how a centralized DHCP server can assign network configuration information to multiple DHCP clients. The assigned information includes IP addresses, DNS addresses, and gateway (router
  • Netgear DG824M | DG824M Reference manual - Page 149
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway NAT Netmask 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 See Network Address Translation. A number that explains
  • Netgear DG824M | DG824M Reference manual - Page 150
    Reference Manual for the Model DG824M Wireless ADSL Modem Gateway subnet mask UTP VCI VPI WAN WEP wide area network Wi-Fi Windows Internet Naming Service WINS See netmask. Unshielded twisted pair. The cable used by 10BASE-T and 100BASE-Tx Ethernet networks. Virtual Channel Identifier. Together
  • Netgear DG824M | DG824M Reference manual - Page 151
    Numerics 802.11b B-13 A Account Name 2-14, 2-18 Address Resolution Protocol B-9 ad-hoc mode B-14 Auto Uplink 1-3 B backup configuration 5-1 BSSID B-14 C Cabling B-11 Cat5 cable 2-2, B-12 Channel 3-3, B-15 configuration automatic by DHCP 1-3 backup 5-1 erasing 5-3 router, initial 2-1 content
  • Netgear DG824M | DG824M Reference manual - Page 152
    infrastructure mode B-14 installation 1-4 Internet account address information C-18 establishing C-18 Internet Service Provider 2-1 IP addresses C-19, C-20 and NAT B-8 and the Internet B-2 assigning B-2, B-9 auto-generated 7-3 private B-7 translating B-9 IP configuration by DHCP B-10 IP networking
  • Netgear DG824M | DG824M Reference manual - Page 153
    service numbers 4-13 Setup Wizard 2-1 Shared Key authentication B-15 SMTP 5-13 spoof MAC address 7-6 SSID 3-3, 3-4, B-14 stateful packet inspection 1-2, B-13 Static Routes 6-6 subnet addressing B-5 subnet mask B-6, C-19, C-20 Syslog 5-12 T TCP/IP configuring C-1 network, troubleshooting 7-7 TCP/IP
  • Netgear DG824M | DG824M Reference manual - Page 154
    WEP encryption 1-2 WEP, Keys 3-6 Wi-Fi B-13 Windows, configuring for IP routing C-2, C-7 winipcfg utility C-6 WinPOET C-18 WINS 6-6 Wired Equivalent Privacy. See WEP Wireless Ethernet B-13 World Wide Web 1-iii 4 Index
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SM-DG824MNA-0
November 2002
NETGEAR
, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
Reference Manual for the
Model DG824M Wireless
ADSL Modem Gateway