NETGEAR ME103 manual IP Addresses and the Internet, What is a Router?

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Reference Manual for the ME103 802.11b ProSafe Wireless Access Point

What is a Router?

A router is a device that forwards traffic between networks based on network layer information in the data and on routing tables maintained by the router. In these routing tables, a router builds up a logical picture of the overall network by gathering and exchanging information with other routers in the network. Using this information, the router chooses 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 ME103 802.11b ProSafe Wireless Access Point is a small office router that routes the IP protocol over a single-user broadband connection.

IP Addresses and the Internet

Because TCP/IP networks are interconnected across the world, every machine on the Internet must have a unique address to make sure that transmitted data reaches the correct destination. Blocks of addresses are assigned to organizations by the Internet Assigned Numbers Authority (IANA).

Individual users and small organizations may obtain their addresses either from the IANA or from an Internet service provider (ISP). You can contact IANA at www.iana.org.

The Internet Protocol (IP) uses a 32-bit address structure. The address is usually written in dot notation (also called dotted-decimal notation), in which each group of eight bits is written in decimal form, separated by decimal points.

For example, the following binary address: 11000011 00100010 00001100 00000111

is normally written as: 195.34.12.7

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 host node or station on the network. The dividing point may vary depending on the address range and the application.

There are five standard classes of IP addresses. These address classes have different ways of determining the network and host sections of the address, allowing for different numbers of hosts on a network. Each address type begins with a unique bit pattern, which is used by the TCP/IP software to identify the address class. After the address class has been determined, the software can correctly identify the host section of the address. The follow figure shows the three main address classes, including network and host sections of the address for each address type.

C-2

Network, Routing, Firewall, and Cabling Basics

August 2003

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Contents August Technical Support RF Exposure Requirements Radio Frequency Interference Requirements Regulatory Compliance InformationEN 55 022 Declaration of Conformance 0470 August Contents Chapter Maintenance Appendix a Specifications Glossary Index Manual Specifications Chapter About This ManualAudience ScopeTypographical Conventions Special Message FormatsHow to Use the Html Version of this Manual Html version of this manualHow to Print this Manual About the ME103 802.11b ProSafe Wireless Access Point Chapter IntroductionKey Features Supported Standards and Conventions802.11b Standards-based Wireless Networking System Requirements Autosensing Ethernet Connections with Auto UplinkCompatible and Related Netgear Products What’s In the Box? Hardware DescriptionME103 Wireless Access Point Front Panel ME103 front panelME103 Wireless Access Point Rear Panel ME103 rear panelChapter Basic Installation and Configuration Observing Placement and Range GuidelinesCabling Requirements Default Factory Settings Feature Factory Default SettingsUnderstanding ME103 Wireless Security Options Installing the ME103 802.11b ProSafe Wireless Access Point SET UP the ME103 Access PointConfigure LAN and Wireless Access Verify Wireless Connectivity How to Log In to the ME103 Using Its Default NetBIOS Name Example ME103 NetBIOS name in browser address barWeb browser will then display the ME103 home How to Log In to the ME103 Using Its Default IP Address Understanding Basic Wireless Settings Basic Wireless Settings menuUnderstanding Basic Wireless Security Options Basic Wireless Security optionsField Description Network Authentication. Circle one Open System or Shared Key How to Set Up and Test Basic Wireless Connectivity How to Restrict Wireless Access by MAC Address 10 Wireless Card Access List SetupHow to Configure WEP Using the Basic IP Settings Options 11 Basic IP Settings MenuAccess Point Name NetBIOS Chapter Maintenance Viewing General, Log, Station, and Statistical InformationField Description Access Point Information General Information FieldsStatistics Statistics Fields Field Description System Up TimeActivity Log Activity Log screenViewing a List of Attached Devices Information Station List of associated devicesUpgrading the Wireless Access Point Software ME103 Upgrade menuConfiguration File Management Settings Backup menuSaving and Retrieving the Configuration Restoring the ME103 to the Factory Default SettingsUsing the Reset Button to Restore Factory Default Settings Changing the Administrator Password Set Password menuChapter Advanced Configuration Configuring Advanced Security 802.1x OptionsBasic Requirements for How to Configure the 802.1x Key Exchange Option Key Exchange Configuration WorksheetAdvanced Configuration Request a certificate View the ME103 log and check the connection Running a Ping test from Windows Ping test results Understanding Advanced Wireless Settings Advanced Wireless Settings screenAdvanced Wireless Settings Fields Field Description Operating ModeConfiguring Wireless Operating Modes How to Configure a ME103 as a Point-to-Point BridgeHow to Configure Multi 10 Multi-Point bridgingAdvanced Configuration Antenna Installation Blank Configuration Worksheet EAP-TLS Configuration WorksheetChapter Troubleshooting No lights are lit on the access pointWireless LAN activity light does not light up LAN light is not litAm using EAP-TLS security but get disconnected Cannot connect to the ME103 to configure itWhen I enter a URL or IP address I get a timeout error Using the Reset Button to Restore Factory Default Settings Appendix a Specifications Specifications for the ME103Specifications Appendix B Wireless Networking Basics Wireless Networking OverviewInfrastructure Mode Authentication, WEP, and WPA Ad Hoc Mode Peer-to-Peer WorkgroupNetwork Name Extended Service Set Identification Essid Authentication Open System Authentication802.11b Authentication Open System Steps 802.11b Authentication Shared Key Steps Key Size Wireless Channels WEP Configuration OptionsRadio frequency channels used are listed in Table B-1 Table B-1 802.11b Radio Frequency ChannelsUnderstanding 802.1x Port Based Network Access Control Wireless Networking Basics Wireless Networking Basics Wireless Networking Basics Appendix C Network, Routing, Firewall, and Cabling Basics Basic Router ConceptsWhat is a Router? IP Addresses and the InternetClass E Class E addresses are for experimental use Netmask Subnet AddressingExample of Subnetting a Class B Address Netmask Notation Translation Table for One Octet Netmask FormatsSingle IP Address Operation Using NAT Private IP AddressesIP Configuration by Dhcp Single IP Address Operation Using NATDomain Name Server Routing ProtocolsInternet Security and Firewalls MAC Addresses and ARPWhat is a Firewall? Denial of Service AttackStateful Packet Inspection Uplink Switches, Crossover Cables, and MDI/MDIX Switching UTP Ethernet cable wiring, straight-throughEthernet Cabling Cable Quality Network, Routing, Firewall, and Cabling Basics Appendix D Preparing Your PCs for Network Access Configuring Windows 98 and Me for TCP/IP NetworkingInstall or Verify Windows Networking Components Preparing Your Computers for TCP/IP NetworkingPreparing Your PCs for Network Access Enabling Dhcp to Automatically Configure TCP/IP Settings Choose Settings, and then Control PanelPrimary Network Logon is set to Windows logon Selecting Windows’ Internet Access Method Verifying TCP/IP PropertiesConfiguring Windows 2000 or XP for TCP/IP Networking Dhcp Configuration of TCP/IP in Windows XP TCP/IP details are presented on Support tab Dhcp Configuration of TCP/IP in Windows Right click on Local Area Connection and select PropertiesObtain an IP address automatically is selected Verifying TCP/IP Properties for Windows XP or Preparing Your PCs for Network Access Glossary DMZ DSL Internet service provider Radius TLS Wins Glossary Index NumericsRFC
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ME103 specifications

The NETGEAR ME103 is a versatile and reliable Wireless Access Point designed to extend the reach of your network while providing enhanced connectivity for various devices. Ideal for both home and small office environments, the ME103 is an essential component for those seeking to improve wireless performance without compromising on speed or stability.

One of the main features of the NETGEAR ME103 is its compatibility with numerous wireless standards. It supports the 802.11b and 802.11g protocols, allowing users to connect a wide range of wireless devices, including laptops, smartphones, and tablets. This compatibility ensures that the ME103 can seamlessly integrate into existing networks, making it a flexible solution for upgrading Wi-Fi coverage.

The ME103 is equipped with fast data transfer rates, reaching up to 54 Mbps in 802.11g mode. This speed is sufficient for most online activities, including streaming videos and online gaming, providing users with a smooth and uninterrupted experience. Its ability to function as both an access point and a bridge allows for increased versatility, enabling connectivity between wired and wireless devices.

In terms of security, the NETGEAR ME103 has built-in features that protect your network from unauthorized access. It supports Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA) encryption protocols, ensuring that data transmitted over the network remains secure. Additionally, it includes a built-in firewall that further safeguards against potential threats.

The device is also equipped with an easy-to-use web interface for configuration, making it simple for users to set up and manage their network settings. Its compact design allows for flexible placement options, whether mounted on a wall or placed on a desk. This adaptability is crucial for optimizing wireless coverage in larger spaces.

Power over Ethernet (PoE) support is another significant characteristic of the ME103, which simplifies installation by allowing the device to receive power through the Ethernet cable, eliminating the need for an additional power source.

Overall, the NETGEAR ME103 stands out due to its high compatibility, solid performance, and ease of use, making it an excellent choice for users looking to enhance their wireless connectivity efficiently.
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