Page 5 - Contents
Contents v Contents About This Guide Technical Support ............................................................................................................ xiiiRelated Publications ........................................................................................................ xiiiTy...
Page 13 - Technical Support; Address
About This Guide xiii About This Guide Congratulations on your purchase of the NETGEAR ™ Model DG814 DSL Modem Internet Gateway. The Model DG814 gateway provides a secure connection for multiple personal computers (PCs) to the Internet through an internal ADSL modem that is normally intended for use...
Page 14 - The IP Network Address
Reference Manual for the Model DG814 DSL Modem Internet Gateway xiv About This Guide For more information about IP address translation, refer to RFC 1631, The IP Network Address Translator (NAT) .
Page 15 - Typographical Conventions; italics; Special Message Formats
Reference Manual for the Model DG814 DSL Modem Internet Gateway About This Guide xv Typographical Conventions This guide uses the following typographical conventions: italics Book titles and UNIX file, command, and directory names. courier font Screen text, user-typed command-line entries. Initial C...
Page 17 - Chapter 1; About the Gateway; The Model DG814 gateway provides the following features:
Introduction 1-1 Chapter 1 Introduction This chapter describes the features of the NETGEAR Model DG814 DSL Modem Internet Gateway. About the Gateway The Model DG814 DSL Modem Internet Gateway with 4-port switch connects your local area network (LAN) to the Internet using a built-in ADSL modem. The M...
Page 19 - Content Filtering
Reference Manual for the Model DG814 DSL Modem Internet Gateway Introduction 1-3 Content Filtering With its content filtering features, the Model DG814 gateway prevents objectionable content from reaching your PCs. Its content filtering features include: • Content filtering by domain or keywordThe M...
Page 20 - The Model DG814 gateway incorporates Auto Uplink; For further information about TCP/IP, refer to; Easy Installation and Management
Reference Manual for the Model DG814 DSL Modem Internet Gateway 1-4 Introduction The Model DG814 gateway incorporates Auto Uplink TM technology (also called MDI/MDIX). Each LOCAL Ethernet port will automatically sense whether the Ethernet cable plugged into the port should have a 'normal' connection...
Page 21 - Maintenance and Support; Flash memory for firmware upgrade
Reference Manual for the Model DG814 DSL Modem Internet Gateway Introduction 1-5 • Animated installation assistantThe Resource CD contains an animated installation assistant to guide you through set up. • Browser-based managementBrowser-based configuration allows you to easily configure your gateway...
Page 23 - Chapter 2; Package Contents; Model DG814 Resource
Setting Up the Hardware 2-1 Chapter 2 Setting Up the Hardware This chapter describes the Model DG814 DSL Modem Internet Gateway hardware and provides instructions for installing it. Package Contents The product package should contain the following items: • Model DG814 DSL Modem Internet Gateway • AC...
Page 24 - Local Network Hardware Requirements; PC Requirements; The Gateway’s Front Panel; The front panel of the Model DG814 gateway (
Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-2 Setting Up the Hardware Local Network Hardware Requirements The Model DG814 DSL Modem Internet Gateway is intended for use in a network of personal computers (PCs) that are interconnected by twisted-pair Ethernet cables. PC Requirem...
Page 25 - You can use some of the LEDs to verify connections.; The Gateway’s Rear Panel; The rear panel of the Model DG814 gateway (
Reference Manual for the Model DG814 DSL Modem Internet Gateway Setting Up the Hardware 2-3 You can use some of the LEDs to verify connections. Table 2-1 lists and describes each LED on the front panel of the Model DG814 gateway. These LEDs are green when lit. The Gateway’s Rear Panel The rear panel...
Page 26 - Connecting the Gateway; page
Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-4 Setting Up the Hardware The rear panel contains the following features (from left to right): • Power switch • 18 V AC power adapter outlet • Four Local (LAN) Ethernet ports for connecting the gateway to the local PCs • Factory Defau...
Page 27 - A typical installation is shown in; Connecting to your Local Ethernet Network
Reference Manual for the Model DG814 DSL Modem Internet Gateway Setting Up the Hardware 2-5 A typical installation is shown in Figure 2-3 , below Figure 2-3. Typical installation Connecting to your Local Ethernet Network Your local network (LAN) will attach to the four Local gateway ports shown in F...
Page 28 - Because the gateway incorporates Auto Uplink; Connecting to Your ADSL Service and Telephone Provider; The ADSL and telephone connections may vary by region.; ADSL through a modular RJ-11 wall jack; Connect the provided telephone cable to the wall jack.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-6 Setting Up the Hardware The Model DG814 gateway incorporates a four-port switch for connecting to your local network. To connect the Model DG814 gateway to your LAN: • Connect up to four PCs directly to any of the four Local ports o...
Page 29 - ADSL through other wall jacks; Connecting the Power Adapter; To connect the power adapter to the gateway:; Verifying Power; When power is first applied, verify that the Power LED comes on.
Reference Manual for the Model DG814 DSL Modem Internet Gateway Setting Up the Hardware 2-7 ADSL through other wall jacks 1. Plug the “LINE” connection from the included microfilter into the wall jack. 2. Connect the “DSL” jack of the microfilter to the ADSL port of your gateway using the telephone ...
Page 30 - All LEDs will briefly be tested.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 2-8 Setting Up the Hardware All LEDs will briefly be tested. 2. After approximately 10 seconds, verify that: • The Test LED is not lit. • The Local port LEDs are lit for any local ports that are connected. 3. If a port’s LED is lit, a l...
Page 31 - Chapter 3; Preparing Your Personal Computers for IP Networking; “Obtaining ISP
Preparing Your Network 3-1 Chapter 3 Preparing Your Network This chapter describes how to prepare your PC network to connect to the Internet through the Model DG814 DSL Modem Internet Gateway and how to order broadband Internet service from an Internet service provider (ISP). Preparing Your Personal...
Page 32 - Appendix B, “Networks and Routing Basics; Configuring Windows 95, 98, and ME for IP Networking; Install or Verify Windows Networking Components; To install or verify the necessary components for IP networking:
Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-2 Preparing Your Network • Macintosh Operating System 7 or later includes the software components for establishing a TCP/IP network. • All versions of UNIX or Linux include TCP/IP components. Follow the instructions provided with your...
Page 33 - If you need the adapter:
Reference Manual for the Model DG814 DSL Modem Internet Gateway Preparing Your Network 3-3 You must have an Ethernet adapter, the TCP/IP protocol, and Client for Microsoft Networks. If you need the adapter: a. Click the Add button. b. Select Adapter, and then click Add. c. Select the manufacturer an...
Page 34 - Assign TCP/IP configuration by DHCP
Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-4 Preparing Your Network If you need Client for Microsoft Networks: a. Click the Add button. b. Select Client, and then click Add. c. Select Microsoft. d. Select Client for Microsoft Networks, and then click OK. 3. Restart your PC for...
Page 35 - Proceed to the end of the Wizard.; Configuring Windows NT or 2000 for IP Networking
Reference Manual for the Model DG814 DSL Modem Internet Gateway Preparing Your Network 3-5 4. Select “I want to connect through a Local Area Network” and click Next. 5. Uncheck all boxes in the LAN Internet Configuration screen and click Next. 6. Proceed to the end of the Wizard. Verifying TCP/IP Pr...
Page 36 - Verifying TCP/IP Properties; Configuring the Macintosh for IP Networking
Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-6 Preparing Your Network 4. Select Properties. 5. Verify that ‘Client for Microsoft Networks’ and ‘Internet Protocol (TCP/IP)’ are present. If not, select Install and add them. 6. Select ‘Internet Protocol (TCP/IP)’, click Properties,...
Page 37 - From the “Configure” box, select Using DHCP Server.; MacOS X; From the Apple menu, choose System Preferences, then Network.
Reference Manual for the Model DG814 DSL Modem Internet Gateway Preparing Your Network 3-7 The TCP/IP Control Panel opens: 2. From the “Connect via” box, select your Macintosh’s Ethernet interface. 3. From the “Configure” box, select Using DHCP Server. You can leave the DHCP Client ID box empty. 4. ...
Page 38 - Your Internet Account
Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-8 Preparing Your Network Verifying TCP/IP Properties (Macintosh) After your Macintosh is configured and has rebooted, you can check the TCP/IP configuration by returning to the TCP/IP Control Panel. From the Apple menu, select Control...
Page 39 - Login Protocols
Reference Manual for the Model DG814 DSL Modem Internet Gateway Preparing Your Network 3-9 For a single-user Internet account, your ISP supplies TCP/IP configuration information (such as IP address, subnet mask and default gateway) and VPI and VCI multiplexing information for one PC. Your ISP may al...
Page 40 - Obtaining ISP Configuration Information (Windows); Select the IP Address tab.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 3-10 Preparing Your Network If any of these items are dynamically supplied by the ISP, your gateway automatically acquires them. If an ISP technician configured your PC during the installation of the broadband modem, or if you configure...
Page 41 - Obtaining ISP Configuration Information (Macintosh); Change the “Configure” setting to “Using DHCP Server”.; Restarting the Network; Restart any computer that is connected to the firewall.; Ready for Configuration
Reference Manual for the Model DG814 DSL Modem Internet Gateway Preparing Your Network 3-11 Obtaining ISP Configuration Information (Macintosh) As mentioned above, you may need to collect configuration information from your Macintosh so that you can use this information when you configure the Model ...
Page 43 - Chapter 4; Accessing the Web Configuration Manager
Basic Configuration of the Gateway 4-1 Chapter 4 Basic Configuration of the Gateway This chapter describes how to perform the basic configuration of your Model DG814 DSL Modem Internet Gateway using the Setup Wizard, which walks you through the configuration process for your Internet connection. Acc...
Page 44 - A login window opens as shown in; This screen may have a different appearance in other browsers.; in the User Name box,
Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-2 Basic Configuration of the Gateway A login window opens as shown in Figure 4-1 below:. Figure 4-1. Login window This screen may have a different appearance in other browsers. 6. Type admin in the User Name box, password in the Passw...
Page 45 - “Manual
Reference Manual for the Model DG814 DSL Modem Internet Gateway Basic Configuration of the Gateway 4-3 Figure 4-2. Browser-based configuration main menu You can manually configure your gateway using this menu as described in “Manual Configuration“ on page 4-8 , or you can allow the Setup Wizard to d...
Page 46 - Configuration using the Setup Wizard; Dynamic IP assignment
Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-4 Basic Configuration of the Gateway Configuration using the Setup Wizard The Web Configuration Manager contains a Setup Wizard that can automatically determine your network connection type. If the Setup Wizard does not launch automat...
Page 47 - Configuring for Dynamic IP Account; Click on Apply, then proceed to
Reference Manual for the Model DG814 DSL Modem Internet Gateway Basic Configuration of the Gateway 4-5 Configuring for Dynamic IP Account If the Setup Wizard determines that your Internet service account uses Dynamic IP assignment, you will be directed to the menu shown in Figure 4-3 below. Figure 4...
Page 48 - Configuring for Fixed IP Account
Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-6 Basic Configuration of the Gateway Configuring for Fixed IP Account If the Setup Wizard determines that your Internet service account uses Fixed IP assignment, you will be directed to the menu shown in Figure 4-4 below: Figure 4-4. ...
Page 49 - Configuring for an Account with Login
Reference Manual for the Model DG814 DSL Modem Internet Gateway Basic Configuration of the Gateway 4-7 Configuring for an Account with Login If the Setup Wizard determines that your Internet service account uses a login protocol such as PPP over Ethernet (PPPoE) or PPP over ATM (PPPoA), you will be ...
Page 50 - “Completing the Configuration“ on page 4-9; Manual Configuration
Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-8 Basic Configuration of the 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 transfers the IP addresses of one or two DNS servers to you...
Page 51 - If you wish to change the idle timeout, enter a new value in minutes..; Completing the Configuration; Chapter 8, “Troubleshooting
Reference Manual for the Model DG814 DSL Modem Internet Gateway Basic Configuration of the Gateway 4-9 b. If you wish to change the idle timeout, enter a new value in minutes.. 2. Internet IP Address: If your ISP has assigned you a permanent, fixed (static) IP address for your PC our gateway, select...
Page 52 - how to troubleshoot problems that may occur.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 4-10 Basic Configuration of the Gateway Your gateway is now configured to provide Internet access for your network. When your gateway and PCs are configured correctly, your gateway automatically accesses the Internet when one of your LA...
Page 53 - Chapter 5; Configuring for Content Filtering
Content Filtering 5-1 Chapter 5 Content Filtering This chapter describes how to use the Content Filtering features of your Model DG814 ADSL Modem Internet Gateway. These features can be found by clicking on the Content Filtering heading in the Main Menu of the browser interface. Configuring for Cont...
Page 54 - Logs
Reference Manual for the Model DG814 ADSL Modem Internet Gateway 5-2 Content Filtering Logs The log is a detailed record of what websites you have accessed or attempted to access. Up to 128 entries are stored in the log. Log entries will only appear when keyword blocking is enabled, and no log entri...
Page 55 - Block Sites; Keyword application examples:
Reference Manual for the Model DG814 ADSL Modem Internet Gateway Content Filtering 5-3 Block Sites The Model DG814 gateway allows you to restrict access based on web and newsgroup addresses and web and newsgroup address keywords. Up to 255 entries are supported in the Keyword list. The Keyword Block...
Page 56 - Schedule; Be sure to select your Time Zone in the E-Mail menu.
Reference Manual for the Model DG814 ADSL Modem Internet Gateway 5-4 Content Filtering You may specify one Trusted User, which is a PC that will be exempt from blocking and logging. Since the Trusted User will be identified by an IP address, you should configure that PC with a fixed IP address. Sche...
Page 59 - Chapter 6; Gateway Status
Maintenance 6-1 Chapter 6 Maintenance This chapter describes how to use the maintenance features of your Model DG814 DSL Modem Internet Gateway. These features can be found by clicking on the Maintenance heading in the Main Menu of the browser interface. Gateway Status The Gateway Status menu provid...
Page 60 - This screen shows the following parameters:
Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-2 Maintenance Figure 6-1. Gateway Status screen This screen shows the following parameters: Table 6-1. Menu 3.2 - System Status Fields Field Description System Name This field displays the Host Name assigned to the gateway. Firmware V...
Page 62 - This screen shows the following statistics:.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-4 Maintenance Click on the “Show Statistics” button to display gateway usage statistics, as shown in Figure 6-2 below: Figure 6-2. Gateway Statistics screen This screen shows the following statistics:. Table 6-2. Gateway Statistics Fi...
Page 64 - Attached Devices
Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-6 Maintenance Click the “Ping Status” button to perform a connectivity test from your gateway, as shown in Figure 6-4 below. Figure 6-4. Ping Status screen This screen allows you to “ping” an IP address on the LAN to verify connectivi...
Page 65 - Configuration File Settings Management; Restore and Backup the Configuration
Reference Manual for the Model DG814 DSL Modem Internet Gateway Maintenance 6-7 For each device, the table shows the IP address, NetBIOS Host Name (if available), and Ethernet MAC address. Note that if the gateway is rebooted, the table data is lost until the gateway rediscovers the devices. To forc...
Page 66 - Erase the Configuration; client will be enabled.; Changing the Configuration Password
Reference Manual for the Model DG814 DSL Modem Internet Gateway 6-8 Maintenance To restore your settings from a saved configuration file, enter the full path to the file on your PC or click the Browse button to browse to the file. When you have located it, click the Restore button to send the file t...
Page 67 - Gateway Upgrade; To upload new firmware:
Reference Manual for the Model DG814 DSL Modem Internet Gateway Maintenance 6-9 Gateway Upgrade The routing software of the Model DG814 gateway is stored in FLASH memory, and can be upgraded as new software is released by NETGEAR. Upgrade files can be downloaded from Netgear's website. If the upgrad...
Page 69 - Chapter 7; Configuring for Port Forwarding to Local Servers
Advanced Configuration of the Gateway 7-1 Chapter 7 Advanced Configuration of the Gateway This chapter describes how to configure the advanced features of your Model DG814 DSL Modem Internet Gateway. These features can be found under the Advanced heading in the Main Menu of the browser interface. Co...
Page 70 - Add a Custom; Add a Custom Service; Click the Add Custom Service button.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-2 Advanced Configuration of the Gateway Use the Port Forwarding menu to configure the gateway to forward incoming protocols to computers on your local network. In addition to servers for specific applications, you can also specify a D...
Page 71 - Edit or Delete a Port Forwarding Entry
Reference Manual for the Model DG814 DSL Modem Internet Gateway Advanced Configuration of the Gateway 7-3 5. Type a name for the service. 6. Click Apply at the bottom of the menu. Edit or Delete a Port Forwarding Entry To edit or delete a Port Forwarding entry, follow these steps. 1. In the table, s...
Page 72 - NAT Status
Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-4 Advanced Configuration of the Gateway 3. Change the beginning port number in the Start Port box. For these games, use the supplied number in the default listing and add +1 for each additional computer. For example, if you've already...
Page 73 - Security; DMZ Server; The Security menu, shown in
Reference Manual for the Model DG814 DSL Modem Internet Gateway Advanced Configuration of the Gateway 7-5 Security DMZ Server 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 ...
Page 74 - Respond to Ping on Internet WAN Port; Dynamic DNS; Select the Use a dynamic DNS service check box.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-6 Advanced Configuration of the Gateway Respond to Ping on Internet WAN Port If you want the gateway to respond to a 'ping' from the Internet, click the ‘Respond to Ping on Internet WAN Port’ check box. This should only be used as a d...
Page 75 - Click Apply to save your configuration.; LAN IP Setup
Reference Manual for the Model DG814 DSL Modem Internet Gateway Advanced Configuration of the Gateway 7-7 8. Click Apply to save your configuration. LAN IP Setup The LAN IP Setup menu allows configuration of LAN IP services such as DHCP and RIP. From the Main Menu of the browser interface, under Adv...
Page 76 - DHCP; “IP Configuration by DHCP; Use router as DHCP server
Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-8 Advanced Configuration of the Gateway DHCP By default, the gateway will function as a DHCP (Dynamic Host Configuration Protocol) server, allowing it to assign IP, DNS server, and default gateway addresses to all computers connected ...
Page 77 - have an unusual network setup.; Static Routes
Reference Manual for the Model DG814 DSL Modem Internet Gateway Advanced Configuration of the Gateway 7-9 • IP Subnet MaskThis is the LAN Subnet Mask of the gateway. Combined with the IP address, the IP Subnet Mask allows a device to know which other addresses are local to it, and which must be reac...
Page 78 - To add or edit a Static Route:; Select Active to make this route effective.
Reference Manual for the Model DG814 DSL Modem Internet Gateway 7-10 Advanced Configuration of the Gateway From the Main Menu of the browser interface, under Advanced, click on Static Route to view the Static Route menu, shown in Figure 7-4 . Figure 7-4. Static Route Summary Table To add or edit a S...
Page 79 - Click Apply to have the static route entered into the table.; Static Route Example; A Metric value of 1 will work since the ISDN router is on the LAN.
Reference Manual for the Model DG814 DSL Modem Internet Gateway Advanced Configuration of the Gateway 7-11 6. Type the IP Subnet Mask for this destination.If the destination is a single host, type 255.255.255.255. 7. Type the Gateway IP Address, which must be a router on the same LAN segment as the ...
Page 81 - Chapter 8; Basic Functioning; PWR LED Not On
Troubleshooting 8-1 Chapter 8 Troubleshooting This chapter gives information about troubleshooting your Model DG814 DSL Modem Internet Gateway. After each problem description, instructions are provided to help you diagnose and solve the problem. Basic Functioning After you turn on power to the gatew...
Page 82 - Test LED Never Blinks or LED Stays On; “Using the Default Reset button“ on page 8-8; Troubleshooting the Web Configuration Interface; “Verifying
Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-2 Troubleshooting • Check that you are using the 18 V AC power adapter supplied by NETGEAR for this product. If the error persists, you have a hardware problem and should contact technical support. Test LED Never Blinks or LED Stays O...
Page 83 - “Erase the Configuration“ on page 6-8; and the password is; . Make sure that CAPS LOCK is off when entering this; Troubleshooting the ISP Connection; ADSL link; WAN LED Green or Blinking Green
Reference Manual for the Model DG814 DSL Modem Internet Gateway Troubleshooting 8-3 • If your gateway’s IP address has been changed and you don’t know the 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 ...
Page 84 - WAN LED Off; Obtaining a WAN IP Address; To check the WAN IP address from the browser interface:
Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-4 Troubleshooting If the WAN LED does not turn green, disconnect all telephones on the line. If this solves the problem, reconnect the telephones one at a time, being careful to use a microfilter on each telephone. If the microfilters...
Page 85 - “Troubleshooting PPPoE or PPPoA; Troubleshooting PPPoE or PPPoA; The PPPoA or PPPoA connection can be debugged as follows:; Troubleshooting Internet Browsing; Your PC may not recognize any DNS server addresses.
Reference Manual for the Model DG814 DSL Modem Internet Gateway Troubleshooting 8-5 • Your ISP may require a login program.Ask your ISP whether they require PPP over Ethernet (PPPoE) or PPP over ATM (PPPOA) login. • If you have selected a login program, you may have incorrectly set the Service Name,...
Page 86 - Troubleshooting a TCP/IP Network Using a Ping Utility; Testing the LAN Path to Your Gateway
Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-6 Troubleshooting 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 ente...
Page 87 - “Troubleshooting the Web Configuration Interface; Testing the Path from Your PC to a Remote Device; IP address
Reference Manual for the Model DG814 DSL Modem Internet Gateway Troubleshooting 8-7 • Wrong physical connections — Make sure the LAN LNK/ACT LED is on. If the LNK/ACT LED is off, follow the instructions in “Troubleshooting the Web Configuration Interface ” on page 8-2 . — Check that the correspondin...
Page 88 - Restoring the Default Configuration and Password; Use the Erase function of the Web Configuration Manager (see; Using the Default Reset button; Problems with Date and Time
Reference Manual for the Model DG814 DSL Modem Internet Gateway 8-8 Troubleshooting Restoring the Default Configuration and Password This section explains how to restore the factory default configuration settings, changing the gateway’s administration password to password and the IP address to 192.1...
Page 89 - Appendix A; General Specifications; Data and Routing Protocols:
Technical Specifications A-1 Appendix A Technical Specifications This appendix provides technical specifications for the Model DG814 DSL Modem Internet Gateway. General Specifications Network Protocol and Standards Compatibility Data and Routing Protocols: TCP/IPRIP-1/RIP-2DHCP server and DHCP relay...
Page 90 - Operating temperature:; Meets requirements of:
Reference Manual for the Model DG814 DSL Modem Internet Gateway A-2 Technical Specifications Japan: 100V, 50/60 Hz, input All regions (output): 18 V AC @ 0.4A output, 30W maximum Physical Specifications Dimensions: 255 by 169 by 34 mm10.0 by 6.7 by 1.3 in. Weight: 0.54 kg 1.2 lb. Environmental Speci...
Page 91 - Appendix B; Basic Router Concepts
Networks and Routing Basics B-1 Appendix B Networks and Routing Basics This chapter provides an overview of IP networks, routing, and firewalls. Basic Router Concepts Large amounts of bandwidth can be provided easily and relatively inexpensively in a local area network (LAN). However, providing high...
Page 92 - Routing Information Protocol; For example, the following binary address:
Reference Manual for the Model DG814 DSL Modem Internet Gateway B-2 Networks and Routing Basics Routing Information Protocol One of the protocols used by a router to build and maintain a picture of the network is the Routing Information Protocol (RIP). Using RIP, routers periodically update one anot...
Page 93 - The five address classes are:
Reference Manual for the Model DG814 DSL Modem Internet Gateway Networks and Routing Basics B-3 Figure B-1. Three Main Address Classes The five address classes are: • Class AClass A addresses can have up to 16,777,214 hosts on a single network. They use an eight-bit network number and a 24-bit node ...
Page 94 - Netmask
Reference Manual for the Model DG814 DSL Modem Internet Gateway B-4 Networks and Routing Basics This addressing structure allows IP addresses to uniquely identify each physical network and each node on each physical network. For each unique value of the network portion of the address, the base addre...
Page 97 - So that hosts recognize local IP broadcast packets; Private IP Addresses; Address Allocation for Private Internets,; Single IP Address Operation Using NAT
Reference Manual for the Model DG814 DSL Modem Internet Gateway Networks and Routing Basics B-7 NETGEAR strongly recommends that you configure all hosts on a LAN segment to use the same netmask for the following reasons: • So that hosts recognize local IP broadcast packets When a device broadcasts t...
Page 98 - The following figure illustrates a single IP address operation.
Reference Manual for the Model DG814 DSL Modem Internet Gateway B-8 Networks and Routing Basics The router accomplishes this address sharing by translating the internal LAN IP addresses to a single address that is globally unique on the Internet. The internal LAN IP addresses can be either private a...
Page 99 - MAC Addresses and Address Resolution Protocol
Reference Manual for the Model DG814 DSL Modem Internet Gateway Networks and Routing Basics B-9 MAC Addresses and Address Resolution Protocol An IP address alone cannot be used to deliver data from one LAN device to another. To send data between LAN devices, you must convert the IP address of the de...
Page 100 - IP Configuration by DHCP
Reference Manual for the Model DG814 DSL Modem Internet Gateway B-10 Networks and Routing Basics IP Configuration by DHCP When an IP-based local area network is installed, each PC must be configured with an IP address. If the PCs need to access the Internet, they should also be configured with a gat...
Page 101 - Ethernet Cabling
Reference Manual for the Model DG814 DSL Modem Internet Gateway Networks and Routing Basics B-11 Ethernet Cabling Although Ethernet networks originally used thick or thin coaxial cable, most installations currently use unshielded twisted pair (UTP) cabling. The UTP cable contains eight conductors, a...
Page 102 - Cable Quality
Reference Manual for the Model DG814 DSL Modem Internet Gateway B-12 Networks and Routing Basics • Crossover cableA crossover cable is a special cable in which the transmit and receive pairs are exchanged at one of the two cable connectors. Crossover cables are often unmarked as such, and must be id...
Page 108 - xiii
ii DHCP Setup field, Ethernet Setup menu 6-2 DMZ 1-3, 5-2, 5-5 DNS Proxy 1-2, 1-4 DNS server 3-10, 3-11, 4-5, 4-6, 4-7, 4-9 DNS, dynamic 5-6 domain 3-10 Domain Name 4-5, 4-7, 4-8 domain name server (DNS) B-9 DSLAM 6-5 Dynamic DNS 5-6 E End Port 5-2 EnterNet 3-9 erase configuration 6-8 Ethernet cable...
Page 109 - xiv
iii address information 3-9 establishing 3-8 IP addresses 3-10, 3-11 and NAT B-7 and the Internet B-2 assigning xiii, B-2 auto-generated 7-2 private B-7 translating xiv IP configuration by DHCP B-10 IP networking for Macintosh 3-6 for Windows 3-2, 3-5 K KALI 5-3 L LAN IP Setup Menu 5-7 LEDs 2-2 desc...