NETGEAR WG602NA инструкция обслуживания

202-10060-01, September 20 04 202-10060-01 September 2004 NETGEAR , Inc. 4500 Great Amer ic a Pa rkw ay Santa Clara, CA 95 054 USA Phone 1-888-NETGEAR User ’ s Guide for the WG602 v3 54 Mbp s Wireless Access Point[...]

2 202-10060-01, September 20 04 NETGEAR, INC. T echnical Support Please register to obtain technical support . Please retain your proof of p urchase and warranty information. T o register your product, get produ ct support or obtain pro duct information and product documentation, go to www .netgear .com . If you do not have access to the W orld W i[...]

202-10060-01, September 20 04 3 Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice This device complies with part 15 of the FCC Rules. Operation is subject to the following two condi tion s: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference [...]

202-10060-01, Septe mber 2004 4 Radio Frequency Interfer ence Requirement s This device is restricted to indoor use due to its ope ration in the 2. 4 GHz frequency range. FCC requires this product to be used indoors in 2.4 GHz th e frequency ra nge to reduce the potential fo r harmful interference to co-channel Mobile Satellite systems. Regulatory [...]

202-10060-01, September 20 04 5 CE Declaration of Conformity For the following eq uipment: 54 Mbps Wireless Access Point WG602 v3 is herewith confirmed to comply with the req uirements set out in the Council Direct ive on th e Approximation of the Laws of the Member States rela ting to Electro magnetic Compatibility (89/336/EEC), Low-voltage Direct[...]

202-10060-01, Septe mber 2004 6[...]

Contents iii 202-10060-01, September 200 4 Content s Chapter 1 About This Manual Audience, Scope, Conventions ................ ............. ................ ................. ............ ............ 1-1 How to Use this Manual .. ................. ................ ............. ................ ................ ............. ..... 1-2 How to Prin[...]

202-10060-01, September 2004 iv Contents Using the Basic IP Settings Opt ions ............. ............ ................. ............. ............ .......... 3-10 Understanding the Basic Wireless Settings .. ......... ................ ............. ............. ............. 3-1 1 Understanding Wireless Securi ty Options .......................[...]

Contents v 202-10060-01, September 200 4 Appendix B Wireless Networking Basics Wireless Networking Overview . ... .... ... ... ... .... ... ............. ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... . B-1 Infrastructure Mode ............ .......... ............. ................ ............. ............. ................ .... B-[...]

202-10060-01, September 2004 vi Contents Domain Name Server ...... ............. ................ ............. ................ ................ ............. . B-9 Routing Protocols .. ............. ................ ............. ............. ................ ............. .............. B-9 RIP ......... ................... ................... [...]

Contents vii 202-10060-01, September 200 4 L ................ ................ ............. ................ ................ ................ ................. ............... ........ D-6 M ............... ............. ............. ............. ............. ............ ............. ............. .......... .......... ....... D-6 N ........[...]

202-10060-01, September 2004 viii Contents[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point About This Manual 1-1 202-10060-01, September 200 4 Chapter 1 About This Manual This chapter introduces the conventio ns and features of this document. Audience, Scope, Conventions This manual assumes that the re ader has basic to intermediate computer and Internet skills. However , tut[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 1-2 About This Manual 202-10060-01, Septemb er 2004 How to Use this Manual The HTML version of this manu al includes these features. Figure 1- 1: HTML version o f this manual 1. Left pane . Use the left pane to view the Conten ts, Index, Search, and Favorites tabs. T o view the HTML ver[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point About This Manual 1-3 202-10060-01, September 200 4 How to Print this Manual T o print this manual you man choose one of th e following several optio ns, according to your needs. • Printing a “How T o” Sequence of S teps in the HTML V iew . Use the Print button on the upper right [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 1-4 About This Manual 202-10060-01, Septemb er 2004[...]

Introduction 2-1 202-10060-01, September 200 4 Chapter 2 Introduction This chapter introduces the NETGEAR 54 Mb ps W ireless Access Point WG602 v3. Minimal prerequisites for installation are presente d in “System Requirements” on page 2-3 . About the 54 Mbp s Wireless Access Point WG602 v3 The 54 Mbps W ireless Acces s Point WG602 v3 is the bas[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 2-2 Introduction 202-10060-01, Septemb er 2004 • NetBIOS & WINS Support. Support for b oth NetBIOS broadcast and WINS (W indows Internet Naming Service) allo ws the WG602 v3 t o easily f it into your existing W indows network. Key Features The WG602 v3 provides solid functio nalit[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Introduction 2-3 202-10060-01, September 200 4 Autosensing Ethernet Co nn ections with Auto Uplink The WG602 v3 can connect to a standard Ethernet network. The LAN interf ace is autosensing and capable of full-duplex or half-duplex operatio n. The wireless access point incorporates Auto[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 2-4 Introduction 202-10060-01, Septemb er 2004 • At least one Pentium class computer (or equi valent) with the TCP/IP protocol installed • Other 802.1 1b or 802.1 1 g-compliant devices What’ s In the Box? The product package should contain the following it ems: • 54 Mbps W irele[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Introduction 2-5 202-10060-01, September 200 4 Hardware Description The 54 Mbps W ireless Acces s Point WG602 v3 front and rear hardware functions are described below . WG602 v3 Wireless Acces s Point Front Panel The WG602 v3 Access Point pr ovides three status LEDs. Figure 2-1: WG602 v[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 2-6 Introduction 202-10060-01, Septemb er 2004 WG602 v3 Wireless Acces s Point Rear Panel Figure 2-2: WG60 2 v3 rear panel Power Socket This socket connects to the WG602 v3 power adapter . Reset and Restore to Factory Def ault s Button The reset and restore to defaults button locate d b[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Introduction 2-7 202-10060-01, September 200 4[...]

Basic Installation and Configuration 3-1 202-10060-01, September 200 4 Chapter 3 Basic Inst allation and Configuration This chapter describes how to set up your 54 Mbps W ireless Access Point WG602 v3 for wireless connectivity to your LAN. This basic configuration will enable computers with 802.1 1b or 802.1 1g wirele ss adapters to do su ch things[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-2 202-10060-01, September 200 4 For best results, place your wireless access point: • Near the center of the area in which your PCs will op erate. • In an elevated location such as a high shelf where the wirelessly connected PCs have line-of-s[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-3 Basic Installation and Configuration 202-10060-01, Septemb er 2004 Underst anding WG602 v3 Wireless Security Options Unlike wired network data, your wireless data transmissions can be rece ived well be yo nd your walls by anyone with a compatib le adapter . For this reason, use the [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-4 202-10060-01, September 200 4 Inst alling the 54 Mbp s Wireless Access Point WG602 v3 Follow the instructions below to set up and te st basic wireless conne ctivity . Once you have established basic wireless connec tivity , you can enable securi[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-5 Basic Installation and Configuration 202-10060-01, Septemb er 2004 2C ONFIGURE LAN AND W IRELESS A CCESS The WG602 W ireless Ac cess Point can be configured remotely from Microsoft Internet Explorer browser version 5.0 or above, or Netscape Navigator web browser version 4. 78 or abo[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-6 202-10060-01, September 200 4 Note: Y ou must set the Regulatory Domain. It may not be legal to operate the wireless access point in a region other than one of those identified in this field. Now that you have finished th e setup steps, you are [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-7 Basic Installation and Configuration 202-10060-01, Septemb er 2004 How to Log in Using the Defaul t IP Address of the WG602 v3 1. 192.168.0.227 is the default IP address of yo ur access point. However , the WG602 v3 is also set, by default, to be a DHCP client. So, if th e WG602 v3 [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-8 202-10060-01, September 200 4 Figure 3-5: Login result: WG602 v3 home p age The browser will then display th e WG602 v3 settings home page. When the wireless access point is connected to the Internet, click the Knowledge Base or the Documentatio[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-9 Basic Installation and Configuration 202-10060-01, Septemb er 2004 How to Log In to th e WG602 v3 Using It s Default NetBIOS Name The 54 Mbps W ireless Acces s Point WG602 v3 can be configured re motely from Microsoft Internet Explorer browser versio n 5.0 or above, or Netscape Navi[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-10 202-10060-01, September 200 4 Using the Basic IP Settings Options The IP Settings page is under the Setup heading of the main menu . Use this page to configure DHCP , static IP , and the access point NetBIOS name. Figure 3-8: Basic IP Settings [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-11 Basic Installation and Configuration 202-10060-01, Septemb er 2004 Underst anding the Basic Wireless Settings T o configure the wireless settings of your wireless access point, click the W i reless Settings link in the Setup section of the main menu of the browser interface. The W [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-12 202-10060-01, September 200 4 • Channel/Frequency . This field identifies which operatin g frequency will be used. It should not be necessary to change the wireless channe l unless you notice interference problems or setting up the WG602 v3 n[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-13 Basic Installation and Configuration 202-10060-01, Septemb er 2004 Underst anding Wireless Security Options The table below identifies the various basic wire less security options. A full explanation of these standards is available in Appendix B, “W ireless Networking Basics” .[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-14 202-10060-01, September 200 4 Information to Gather Before Changing Basic Wireless Settings Before customizing your wireless settings, print th is form and record the following information. If you are working with an existing wi reless network,[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-15 Basic Installation and Configuration 202-10060-01, Septemb er 2004 How to Configure WEP Wireless Security T o configure WEP data encr yption, follow these steps: 1. Click the Security Settings link in the Set up section of the ma in menu and select WEP for the Security T ype. Figur[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-16 202-10060-01, September 200 4 • Automatic — enter a word or group of printa ble characters in the Passphrase box and click the Generate button. The four key boxes will be automatically populat ed with key values. • Manual — enter ten he[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-17 Basic Installation and Configuration 202-10060-01, Septemb er 2004 How to Restrict Wireless Access by MAC Address The Access Control page lets you block or allo w the network acces s privilege of the specified stations through the 54 Mbps W ireless Access Po int WG602 v3. This prov[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Basic Installation and Configura tion 3-18 202-10060-01, September 200 4 • Disable • Allow •B l o c k 3. Then, enter the MAC address for a device you pl an to use. Y ou can u sua lly find the MAC address printed on the wireless adapter . Y ou can copy and paste the MAC addresses f[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 3-19 Basic Installation and Configuration 202-10060-01, Septemb er 2004[...]

Management 4-1 202-10060-01, September 200 4 Chapter 4 Management This chapter describes how to use the management features of your 54 Mbps W ireless Access Point WG602 v3. Th ese features can be found under the Man agement headin g in the main menu o f the browser interface. V iewing General Information The Information summarizes of the current WG[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 4-2 Management 202-10060-01, Septemb er 2004 T able 4-1. General Information Fields Field Description Access Point Information Access Point Name The default na me can be changed if desired . MAC Address Displays the Media Access Co ntrol address (MAC Addresses) of the wireless access po[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Management 4-3 202-10060-01, September 200 4 V iewing a List of Att ached Devices The Station List page contains a table of all IP devices associated with the wireless access point in the wireless network defined by the W ireless Netw ork Name (SSID). From the main menu of the browser i[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 4-4 Management 202-10060-01, Septemb er 2004 Y ou cannot perform the firmware upgrade from a workstation co nnected to the WG60 2 v3 via a wireless link. The firmware upgrade must be performed via a workstation connected to the WG602 v3 via the Ethernet LAN interface. The software of th[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Management 4-5 202-10060-01, September 200 4 Rebooting and Resetting Factory Default Options The Reboot option restarts the access point. Fr o m th e Managemen t sec tion of the main menu, select Reboot AP . Select Ye s , then click Apply to reboot the acces s point. Restoring the WG602[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 4-6 Management 202-10060-01, Septemb er 2004 Changing the Administrator Password The default password is password . Change this password to a mo re secure password. Y ou cannot change the administrator login name. From the main menu of the br owser interface, under the Management headin[...]

Advanced Configuration 5-1 202-10060-01, September 200 4 Chapter 5 Advanced Configuration This chapter describes how to configure the advan ced features of your WG602 v3. These features can be found under the Advanced heading in th e main menu. Underst anding Advanced Wireless Settings The default advanced wireless settings usually work well. These[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 5-2 Advanced Configuration 202-10060-01, Septemb er 2004 Configuring Wireless Distribution System Links The 54 Mbps W ireless Acces s Point WG602 v3 lets you build large wireless networks. Examples of wireless bridging configurations are: • Point-to-point. • Multi-point. These featu[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Advanced Configur ation 5-3 202-10060-01, September 200 4 How to Configure a WG602 v3 as a Point-to-Point Bridge Figure 5-2: Wire less Point-to-Point Br idging 1. Configure AP1 in Point -to-Point mode with the MAC add ress of AP2 and de ploy it on LAN Segment 1. If you check the Enable [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 5-4 Advanced Configuration 202-10060-01, Septemb er 2004 How to Configure Wireless Multi-Point Bridging Figure 5-3: Wirele ss Bridging 1. Configure the Operating Mode of the WG602 v3 Access Points. – AP1 on LAN Segment 1 in Point-to-Point Br idge mode with the Remote MAC Address of AP[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Advanced Configur ation 5-5 202-10060-01, September 200 4 • If using DHCP , all WG602 v3 Access Points should be set to “Obtain an IP address automatically (DHCP Client)” in the IP Addr ess Source portion of the Basic IP Settings menu. • All WG602 v3 Access Points use the same S[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 5-6 Advanced Configuration 202-10060-01, Septemb er 2004[...]

Troubleshooting 6-1 202-10060-0 1, September 2004 Chapter 6 T roubleshooting This chapter provides information about troubleshooting your 54 Mbps W ireless Access Point WG602 v3. After each problem description , instru ctio ns are giv en to help yo u di ag no se an d solv e the problem. For the common problems listed, go to the section indicated. ?[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 6-2 Troubleshooting 202-10060-01 , September 20 04 • Make sure the cable connectors are securely plugge d in at the acc ess point and the network device (hub, switch, or ro uter). • Make sure the connected device is turned on. • Be sure the correct cable is used. Use a stan dard C[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Troubleshooting 6-3 202-10060-01 , September 20 04 • The computer with the wireless adapter ma y not have the correct TCP/IP settings to communicate with the netw ork. Restart the computer and check tha t TCP/IP is set up properly for that network. The usual set ting for W indows Netw[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 6-4 Troubleshooting 202-10060-01 , September 20 04[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Specifications A-1 202-10060-01, September 200 4 Appendix A S pecifications This appendix provides the 54 Mbps W ireless Access Point WG60 2 v3 technical specific ations. S pecifications for the WG602 v3 Parameter 54 Mbps Wireless Access Point WG602 v3 Radio Data Rates 1, 2, 5.5, 6, 9, [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point A-2 Specifications 202-10060-01, Septemb er 2004[...]

Wireless Networking Basics B-1 202-10060-01, September 200 4 Appendix B Wireless Networking Basics This chapter provides an overview of wireless networking and security . Wireless Networking Overview The WG602 v3 Access Point conforms to the Inst itute of Electrical and Electronics Engineers (IEEE) 802.1 1g standard for wireless LANs (WL ANs). On a[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-2 Wireless Networking B asics 202-10060-01, Septemb er 2004 Ad Hoc Mode (Peer- to-Peer Wo rkgroup) 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 g enerally communicate with any ot her node. Th[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-3 202-10060-01, September 200 4 The radio frequency channels used are listed in Ta b l e B - 1 : Note: The av ailable channe ls sup ported by the wireless products in various countries are dif ferent. The preferred channel separation betw een the chan nels i[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-4 Wireless Networking B asics 202-10060-01, Septemb er 2004 WEP Wireless Security The absence of a ph ysical connection between no des makes the wireless links vulnerable to eavesdropping and information theft. T o provide a certain level of security , the IEEE 802.1 1 standard has de[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-5 202-10060-01, September 200 4 • Shared Key Authentication requires that the station and the access point have the same WEP Key to authenticate. These two authentication procedures are described below . WEP Open System Authentication This process is illus[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-6 Wireless Networking B asics 202-10060-01, Septemb er 2004 WEP Shared Key Authentication This process is illustrated in below . Figure B-2: 802.1 1 shared key authentication The following steps occur when two de vices use Shared Key Authentication: 1. The station sends an authentica [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-7 202-10060-01, September 200 4 Key Size and Configuration The IEEE 802.1 1 standard su pports two types of WEP en cryption: 40-bit and 128-bit. The 64-bit WEP data encryption meth od, allows for a five -character (40-bit) input. Additionally , 24 factory-se[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-8 Wireless Networking B asics 202-10060-01, Septemb er 2004 How to Use WEP Parameters W ired Equivalent Privacy (WEP) data encryption is used when the wireless devices are configure d to operate in Shared Key authentication mode. Th ere are two shared key methods implemented in most c[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-9 202-10060-01, September 200 4 • Enhanced data privacy • Robust key management • Data origin authentication • Data integrity protection The W i-Fi Alliance is now perform ing interoperability certificatio n testing on W i-Fi Protected Access product[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-10 Wirele ss Network ing Basi cs 202-10060-01, Septemb er 2004 How Does WP A Comp are to IEEE 802.1 1i? WP A will be forward compatible with the IEEE 802.1 1i security specification currently under development. WP A is a subs et of the current 8 02.1 1i draft and uses certain pieces o[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-11 202-10060-01, September 200 4 The primary information conveyed in the Beacon frames is the authentication method and the cipher suite. Possible authentication methods in clude 802.1X an d Pr e-s h are d ke y . Pre-shared key is an authentication method th[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-12 Wirele ss Network ing Basi cs 202-10060-01, Septemb er 2004 WP A Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS Figure B-3: WP A Overview IEEE 802.1x offers an ef fective framework for authenticating and controlling user traffic to a protected networ[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-13 202-10060-01, September 200 4 Figure B-4: 802.1x A uthenticat ion Sequenc e The AP sends Beacon Frames with WP A informatio n element to the stations in the service set. Information ele ments include the required authentication method (802 .1x or Pre-shar[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-14 Wirele ss Network ing Basi cs 202-10060-01, Septemb er 2004 3. The client sends an EAP-response packet containing the identity to the authentication server . The access point responds by enabling a port fo r passing only EAP packets from the client to an authentication server locat[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-15 202-10060-01, September 200 4 T emporal Key Integrity Protocol (TKIP) WP A uses TKIP to provide important data encr yption enhancements including a per -packet key mixing function, a message integrity check (M IC) named Michael , an extended initializatio[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-16 Wirele ss Network ing Basi cs 202-10060-01, Septemb er 2004 Is WP A Perfect? WP A is not without its vulnerabiliti es. Specifically , it is susceptible to denial of service (DoS) attacks. If the access point receives two da ta pa ckets that fail the Me ssage Integrity Code (MIC) ch[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Wireless Networking Basics B-17 202-10060-01, September 200 4 • The new WP A information element T o advertise their support of WP A, wireless APs send the beacon frame with a new 80 2.1 1 WP A information element that conta ins the wire less AP's security configuration (encrypti[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point B-18 Wirele ss Network ing Basi cs 202-10060-01, Septemb er 2004 Changes to Wireless Client Programs W ireless client programs must be updated to pe rmit the configuration of WP A authentication (and preshared key) and the n ew WP A encryption algorithms (TKIP and the o ptional AES comp[...]

Network, Routing, Firewa ll, and Cabling Basics C-1 202-10060-01, September 200 4 Appendix C Network, Routing, Fire wall, and Cabling Basics This chapter provides an overview of IP networks, routing, and wireless networking. As you read this document, you may be dire cte d to various RFC documents for further information. An RFC is a Request For Co[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-2 Network, Routing, Firewall, and C abling Basics 202-10060-01, Septemb er 2004 IP Addresses and the Internet Because TCP/IP network s are intercon nected across the world, every machine on the Internet mus t have a unique address to make sure that transmitte d data reaches the correc[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-3 202-10060-01, September 200 4 Figure C-1: Three Main Address Cla sses The five address classes are: • Class A Class A addresses can have up to 16,777,2 14 hosts on a single netwo rk. They use an eight-bit network number and a 24-bit n[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-4 Network, Routing, Firewall, and C abling Basics 202-10060-01, Septemb er 2004 This addressing structure allows IP addresses to uniquely identify each phys ical network and each node on each ph ysical network . For each unique value of the network port ion of the address, the base ad[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-5 202-10060-01, September 200 4 Subnet addressing al lows us to split one IP network ad dress into smaller multiple physical networks known as sub networks. Some of the node numbers are used as a su bnet number instead. A Class B address [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-6 Network, Routing, Firewall, and C abling Basics 202-10060-01, Septemb er 2004 The following table lists the additional subnet mask bits in dotted-decimal notation. T o use the table, write down the original class netmask and replace the 0 value octets with the dotted-decimal value o[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-7 202-10060-01, September 200 4 • So that hosts recognize local IP broadcast packets When a device broadcasts to its segment neighb ors, it uses a destination address of the local network address with all ones for the host address. In o[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-8 Network, Routing, Firewall, and C abling Basics 202-10060-01, Septemb er 2004 The following figure illustrates a single IP address operation. Figure C-3: Single IP Address Operatio n Using NA T This scheme offers t he additional benefit of firewall -like protection because the inter[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-9 202-10060-01, September 200 4 The WG602 v3 Access Point also functions as a DHCP client when connecting to the ISP . The firewall can automatically obtain an IP addr ess, subnet mask, DNS server a ddresses, and a gateway address if the [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-10 Network, Routing, Fi rewall, and Cabling Basics 202-10060-01, Septemb er 2004 MAC Addresses and ARP An IP address alone cannot be used to deliver da ta from one LAN device to another . T o send data between LAN devices, you must convert the IP ad dress of the destination device to [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-11 202-10060-01, September 200 4 What is a Firewall? A firewall is a device that protects one netw ork from another , while allowing communicat ion between the two. A firewall incorporates the functi ons of the NA T router , while adding [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-12 Network, Routing, Fi rewall, and Cabling Basics 202-10060-01, Septemb er 2004 . Category 5 Cable Quality Category 5 distributed cable that me ets ANSI/EIA/ TIA-568-A building wiring stan dards can be a maximum of 328 feet (ft.) or 10 0 meters (m) in length, divided as follows: 20 f[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-13 202-10060-01, September 200 4 Inside T wisted Pair Cables For two devices to communicate, th e transmitter of each device must be connected to the receiver of the other device. The cro sso ver function is usually implemented inte rnall[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-14 Network, Routing, Fi rewall, and Cabling Basics 202-10060-01, Septemb er 2004 Figure C-6: Category 5 UTP Cable with Male RJ -4 5 Plug at Each End Note : Flat “silver satin” tele phone cable may have the same RJ-45 pl ug. However , using tele phone cable results in excessive col[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Network, Routing, Firewall, and Cabling Basics C-15 202-10060-01, September 200 4 The WG602 v3 Access Point incorporates Auto Uplink TM technology (also called MDI/MDIX). Each LOCAL Ethernet port will automatically sens e whether the Ethernet cable plugged into the port should have a no[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point C-16 Network, Routing, Fi rewall, and Cabling Basics 202-10060-01, Septemb er 2004[...]

Preparing Your PCs for Network Access D-1 202-10060-01, September 200 4 Appendix D Prep aring Y our PCs for Network Access This appendix describes how to prepare your PCs to connect to the Internet throug h the 54 Mbps W ireless Acc ess Point WG602 v3. For adding file and print sharin g to your networ k , please consult the W indows help informatio[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point D-2 Pr epa ring Your PCs for Network Access 202-10060-01, Septemb er 2004 Configuring Windows 98 and Me for TCP/IP Networking As part of the PC preparation p rocess, you may need t o install and config ure TCP/IP on your PC. Before starting, locate your W indows CD; you may need to inse[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Preparing Your PCs for Network Access D-3 202-10060-01, September 200 4 If you need to add TCP/IP: a. Click the Add button. b. Select Protocol, and then click Add. c. Select Microsoft. d. Select TCP/IP , and then click OK. If you need to add the Client for Micro so ft Networks: a. Click[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point D-4 Preparing Your PCs for Network Access 202-10060-01, Septemb er 2004 DHCP Configuration of TCP /IP in Windows 98 and Me In W indows 98 and Me systems , locate your Network Neighborhood icon. • If the Network Neighborhood icon is on the W indows desktop, position your mouse pointer [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Preparing Your PCs for Network Access D-5 202-10060-01, September 200 4 Selecting the Windows In ternet Access Method 1. On the W indows taskbar , click the Start button, point to Settings, and th en click Control Panel. 2. Double-click the Internet Options icon. 3. Select “I want to [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point D-6 Preparing Your PCs for Network Access 202-10060-01, Septemb er 2004 2. Ty p e winipcfg , and then click OK. The IP Configuration window opens, which lists (a mong other things), your IP address, subnet mask, and default gateway . 3. From the drop-down box, select your Ethernet adapt[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Preparing Your PCs for Network Access D-7 202-10060-01, September 200 4 DHCP Configuration of TCP/IP in Windows XP Y ou will find there are many similarities in th e procedures for dif ferent W indows systems when using DHCP to configure TCP/IP . The following steps will walk you throug[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point D-8 Preparing Your PCs for Network Access 202-10060-01, Septemb er 2004 Now you should be at the Local Area Network Connection S tatus window . This box displays the conn ection status, duration, speed, a nd activity statistics. Administrator logon access rights are needed to use this w[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Preparing Your PCs for Network Access D-9 202-10060-01, September 200 4 DHCP Configuration of TC P/IP in Windows 2000 After you install a network card, TCP /IP for W indows 2000 is co nfigured and set to DHCP without your having to configure it. However , if there are problems, follow t[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point D-10 Preparing Your PCs for Network Acce ss 202-10060-01, Septemb er 2004 The Local Area Connection Pr operties dialog box app ears. V erify that you have the correct Ethernet card selected in the Connect using: box and that the following two items are displayed and selected in the box [...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Preparing Your PCs for Network Acce ss D-1 1 202-10060-01, September 200 4 V erifying TCP/IP Properti es for Windows XP or 2000 T o check your PC’ s TCP/IP configuration: 1. On the W indows taskbar , click the Start button, and then click Run. The Run window opens. 2. Ty p e cmd and t[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point D-12 Preparing Your PCs for Network Acce ss 202-10060-01, Septemb er 2004[...]

202-10060-01, September 2004 Glossary 1 Glossary Use the list below to find definitions for technical terms used in this manual. Numeric 802.1x 802.1x defines port-based , network access control used to provide authenticated network access and automated data encryption key man a gem ent. The IEEE 802.1x draft standard offe rs an ef fective frame wo[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 2 Glossary 202-10060-01, September 2004 A Access Control List An ACL is a database that an Operating System uses to track each user ’ s access rights to system objects (such as file directories and/or files). ACL See “Access Control List” Ad-hoc Mode An 802.1 1 networking framewor[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Glossary 3 202-10060-01, September 2004 C Class of Service A term to describe treating different types of traffic with dif ferent level s of service priority . Higher priority traffic gets faster treatment during times of switch congestion D DHCP See “Dynamic Host Configuration Protoc[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 4 Glossary 202-10060-01, September 2004 Dynamic Host Con figuration Prot ocol. DHCP is a protocol for assigning dynami c IP addresses to dev ices on a network. With dynamic addressing, a device can have a different IP ad dress every time it connects to the ne tw ork. In some systems, th[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Glossary 5 202-10060-01, September 2004 IEEE Institute of Electrical and Electronics Engineers. This American organization was founded in 1963 and sets standards for computer s and communications. IETF Internet Engineering T ask Force. An organization responsible for providing engineeri[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 6 Glossary 202-10060-01, September 2004 Networking Layer . The most widely used version of IP today is IP version 4 (IPv 4). However , IP versio n 6 (IPv6) is also beginning to be supporte d. IPv6 pro v ides for much longer addresses and therefore for the possibility of many more Intern[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Glossary 7 202-10060-01, September 2004 MAC address The Media Access Control address is a unique 48-bit hardware address assigned to every network interface card. Usually written in the form 01:23:45 :67: 89:ab. Maximum Receive Unit The size in bytes of the largest pack et that can be s[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 8 Glossary 202-10060-01, September 2004 Network Address Tr anslation Sometimes referred to as T ransparen t Proxying, IP Address Overloading, or IP Masqu erading. Involves use of a device called a Network Address Translator , which assigns a contrived, or logical, IP address and port nu[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Glossary 9 202-10060-01, September 2004 Protocol A set of rules for com munication b etween devices on a net work. PSTN Public Switched T e lep hone Network. Q QoS See “Quality of Service” Quality of Ser vice QoS is a networking term that specifies a guaranteed level of throughput. [...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 10 Glossary 202-10060-01, September 2004 be configured with the same SSID. This is typically the configuration parameter for a wireless PC card. It corresponds to the ESSID in the wireless Access Point and to th e wireless network name. See also W ireless Network Name and ESSID. Segment[...]

User’s Guide for the WG602 v3 54 Mbps Wirele ss Access Point Glossary 11 202-10060-01, September 2004 WEB Proxy Server A W eb proxy server is a specialized HTTP server that allows clients access to the Internet from behind a firewall. The proxy server l istens for requests from client s within the firewall and fo rwards these requests to remote I[...]

User’s Guide for the WG60 2 v3 54 Mbps Wireless Access Point 12 Glossary 202-10060-01, September 2004[...]

Index 1 Numerics 802.1 1b B-1 A Address Resolution Protocol B-10 ad-hoc mode B-2 associated devices 4-3 Auto MDI/MDI-X B-15 Auto Uplink 2-3, B-15 B Basic IP Settings page 3-10 Basic W ireless Settings 3-1 1, 3-15, 3-16, 5-2 BSSID B-2 C Cabling B-1 1 Cat5 cable B-12 Channel/Frequency 3-12 configuration erasing 4-5 crossover cable 2-3, B-14, B-15 D D[...]

2 Index O Open System authenticat ion B-4 P Passphrase 3-13, 3-14, 3-16 Placement 3-1 port forwarding behind NA T B-8 protocols Address Resolution B-10 DHCP B-8 R Range 3-1 range 3-1 Region 3-11 restore factory settings 4-5 Restrict W irele ss Ac ce ss by MAC Address 3-17 RFC 1466 B-7, B-10 1597 B-7, B-10 1631 B-7, B-8 finding B-7 RIP B-9 router co[...]