NETGEAR WG602 V2 инструкция обслуживания

M-10181-03 M-10181-03 March 2004 NETGEAR , Inc. 4500 Great Amer ic a Pa rkw ay Santa Clara, CA 95 054 USA Phone 1-888-NETGEAR Reference Manual for the WG602 v2 54 Mbp s Wireless Access Point[...]

2 M-10181-03 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 pr oduct, get product supp ort or obtain product info rmation and product documentation, go to www .netgear .com . If you do not have access to the W orld W ide W eb, you can r[...]

M-10181-03 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 that may cause unde[...]

M-10181-0 3 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 Compli ance Inform[...]

M-10181-03 5 CE Declaration of Conformity For the following eq uipment: 54 Mbps Wireless Access Point WG602 v2 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 Directive (73/23/EEC) and[...]

M-10181-0 3 6[...]

Contents iii M-10181-03 Content s Chapter 1 About This Manual Audience, Scope, Conventions ................ ............. ................ ................. ............ ............ 1-1 How to Use this Manual .. ................. ................ ............. ................ ................ ............. ..... 1-2 How to Print this Manual . ...[...]

M-10181-03 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 M-10181-03 Appendix A Specifications S pecif ications for the WG602 v 2 .................. ................ ................ ............. ................ .... A-1 Appendix B Wireless Networking Basics Wireless Networking Overview ........... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ............. ... ... .... ... ... .[...]

M-10181-03 vi Contents Private IP Addresses .......... ... .... ............. ... ... ... ... .... ... ............. ... ... .... ... ... ... ............. . B-7 Single IP Address Operation Using NA T ...... ................ ................ ................ ........... B-7 IP Configuration by DHCP ........... ............. ... ... ... .... ... ...[...]

Contents vii M-10181-03 E ............... ............. ............. ................ ............. ............. ................ ............. ............. ....... D-4 G ............... ............. ............. ................ ............. ............. ................ ............. ............. ....... D-4 I .............. .............[...]

M-10181-03 viii Contents[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point About This Manual 1-1 M-10181-03 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 , tutorial information[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 1-2 About This Manual M-10181-03 How to Use this Manual The HTML version of this manu al includes these features. Figure 1- 1: HTML v ersion of th is manual 1. Left pane . Use the left pane to view the Conten ts, Index, Search, and Favorites tabs. T o view the HTML version of the manua[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point About This Manual 1-3 M-10181-03 How to Print this Manual T o print this manu al 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 of the too lbar [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 1-4 About This Manual M-10181-03[...]

Introduction 2-1 M-10181-03 Chapter 2 Introduction This chapter introduces the NETGEAR 54 Mb ps W ireless Ac cess Point WG602 v2. Minimal prerequisites for installation are presente d in “System Requirements” on page 2-3 . About the 54 Mbp s W ireless Access Point WG602 v2 The 54 Mbps W ireless Access Point WG602 v2 is the basic building block [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 2-2 Introduction M-10181-03 • NetBIOS & WINS Support. Support for b oth NetBIOS broadcast and WINS (W indows Internet Naming Service) allo ws the WG602 v2 t o easily f it into your existing W indows network. Key Features The WG602 v2 provides solid functio nality , including thes[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Introduction 2-3 M-10181-03 Autosensing Ethernet Co nn ections with Auto Uplink The WG602 v2 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 Uplink TM techno[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 2-4 Introduction M-10181-03 • A W eb browser for configuration such as Microsoft Internet Explo rer 5.0 or abov e, or Netscape Navigator 4.78 or ab ove • At least one Pentium class computer (or equi valent) with the TCP/IP protocol installed • Other 802.1 1b or 802.1 1g-compliant[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Introduction 2-5 M-10181-03 Hardware Description The 54 Mbps W i reless Ac cess Point WG602 v2 front and rear hardware functions are described below . WG602 v2 Wireless Acces s Point Front Panel The WG602 v2 Access Point pr ovides three status LEDs. Figure 2-1: WG602 v2 f ront panel T[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 2-6 Introduction M-10181-03 WG602 v2 Wireless Acces s Point Rear Panel Figure 2-2: WG60 2 v2 rear panel Power Socket This socket connects to the WG602 v2 power adapter . Reset and Restore to Factory Def ault s Button The reset and restore to defaults button locate d between the Etherne[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Introduction 2-7 M-10181-03[...]

Basic Installation and Configuration 3-1 M-10181-03 Chapter 3 Basic Inst allation and Configuration This chapter describes how to set up your 54 Mbps W ireless Access Point WG602 v2 for wireless connectivity to your LAN. This basic configuration will enable computers with 802.1 1b or 802.1 1g wireless adapters to do su ch things as connect to the I[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-2 M-10181-03 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-sight access (e ve[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-3 Basic Installation and Configuration M-10181-03 Underst anding WG602 v2 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 security features [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-4 M-10181-03 Inst alling the 54 Mbps W ireless Access Point WG602 v2 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 security settings and c[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-5 Basic Installation and Configuration M-10181-03 2C ONFIGURE LAN AND W IRELESS A CCESS The WG602 W ire le ss Access Point can be configured remotely from Microsoft Internet Explorer browser version 5.0 or above, or Netscape Navigator web browser version 4. 78 or above on your comp u[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-6 M-10181-03 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 ready to deploy t[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-7 Basic Installation and Configuration M-10181-03 How to Log in Using the Defaul t IP Address of the WG602 v2 1. 192.168.0.227 is the default IP address of yo ur access point. However , the WG602 v2 is also set, by default, to be a DHCP client. So, if th e WG602 v2 has not yet been i[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-8 M-10181-03 Figure 3-5: Login result: WG602 v2 home p age The browser will then display th e WG602 v2 settings home page. How to Log In to th e WG602 v2 Using It s Default NetBIOS Name The 54 Mbps W i reless Ac cess Point WG602 v2 can be config[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-9 Basic Installation and Configuration M-10181-03 2. Open a W eb browser such as Internet Explorer or Netscape Navigator . 3. Log in to the WG602 v2 using the NetBIOS name you found on the botto m of the unit. In this example, you see NETGEAR123456 in the browser address or location [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-10 M-10181-03 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 p age • Access [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-11 Basic Installation and Configuration M-10181-03 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 i reless Settings [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-12 M-10181-03 • 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 v2 near another acces[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-13 Basic Installation and Configuration M-10181-03 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” . T able 3-1. Basic[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-14 M-10181-03 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, the person who s[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-15 Basic Installation and Configuration M-10181-03 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. Figure 3-10: WEP Settin[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-16 M-10181-03 • 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 hexadecimal digits [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-17 Basic Installation and Configuration M-10181-03 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 v2. This prov ides an additiona[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Basic Installation and Configura tion 3-18 M-10181-03 • 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 from the WG602 v2?[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 3-19 Basic Installation and Configuration M-10181-03[...]

Management 4-1 M-10181-03 Chapter 4 Management This chapter describes how to use the management features of your 54 Mbps W ireless Access Point WG602 v2. 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 602 v2 configurati[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 4-2 Management M-10181-03 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 point’s Ethernet p[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Management 4-3 M-10181-03 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 interface, under t[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 4-4 Management M-10181-03 Y ou cannot perform the firmware upgrade from a workstation co nnected to the WG60 2 v2 via a wireless link. The firmware upgrade must be performed via a workstation connected to the WG602 v2 via the Ethernet LAN interface. The software of the WG602 v2 Access [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Management 4-5 M-10181-03 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 access point. Restoring the WG602 v2 to the Factory[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 4-6 Management M-10181-03 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 heading, click Chang e P[...]

Advanced Configuration 5-1 M-10181-03 Chapter 5 Advanced Configuration This chapter describes how to configure the advan ced features of your WG602 v2. These features can be found under the Advanced heading in th e main menu. Configuring Wireless Bridge or Repeater Links The 54 Mbps W ireless Access Point WG602 v2 lets you build large wireless netw[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 5-2 Advanced Configuration M-10181-03 • Point-to-point brid ging. • Multi-point bridging. These features are discussed below . How to Select the Wireless Bridging Access Point Mode T o configure wireless access point mode, follow thes e steps: 1. Click W ireless Bridgi ng in the Ad[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Advanced Configur ation 5-3 M-10181-03 How to Configure a WG602 v2 as a Point-to-Point Bridge Figure 5-3: Wire less Point-to-Point Br idging 1. V erify the following parameters for all access points: • V erify that the LAN network configuration of the WG602 v2 Access Points are conf[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 5-4 Advanced Configuration M-10181-03 2. 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 W ireless Cl ient Associ ation chec k box, wireless clients will also be able to use AP1. If the Enable W ireless Client [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Advanced Configur ation 5-5 M-10181-03 • Only one AP is configured in W ireless Multi- Point Bridging mode, an d all the others are in Point-to-Point Bridge mode. • All Point-to-Point APs must have AP2’ s MAC address in its Remote AP MAC address table. Y ou can locate the MA C a[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 5-6 Advanced Configuration M-10181-03 How to Configure a WG 602 v2 as a Repeater Note: Because Repe ater mode communications are half duplex, the thro ughput decreases with each subsequent Repeater mode node in a sequenc e of up to 4 maximum nodes. Figure 5-5: Wire less Repeater 1. V e[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Advanced Configur ation 5-7 M-10181-03 5. Configure AP2 in Repeater mode. 6. Enter the MAC address of AP1 in the Remote MAC Address boxes of AP2. 7. Configure the AP2 with the following settings: • The same security settings as AP1. • On a channel 5 positions offset from AP1. Fo r[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 5-8 Advanced Configuration M-10181-03 DTIM Interval S pecifies the Delivery T raffic Indication Message data beacon rate between 1 and 255. Default: 1 Preamble T ype A long transmit preamble may provide a more reliable conne cti on or slightly longer range. A short tra nsmit preamble g[...]

Troubleshooting 6-1 M-10181-03 Chapter 6 T roubleshooting This chapter provides information about troubleshooting your 54 Mbps W ireless Access Point WG602 v2. 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. • Is the WG602 v2 [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 6-2 Troubleshooting M-10181-03 • 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 Category 5 Ethernet [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Troubleshooting 6-3 M-10181-03 • 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 Network Properties is [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 6-4 Troubleshooting M-10181-03[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Specifications A-1 M-10181-03 Appendix A S pecifications This appendix provides the 54 Mbps W ireless Access Point WG60 2 v2 technical specifications. S pecifications for the WG602 v2 Parameter 54 Mbps Wireless Access Point WG602 v2 Radio Data Rates 1, 2, 5.5, 6, 9, 1 1, 12, 18 , 24, [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point A-2 Specifications M-10181-03[...]

Wireless Networking Basics B-1 M-10181-03 Appendix B Wireless Networking Basics This chapter provides an overview of wireless networking and security . Wireless Networking Overview The WG602 v2 Access Point conforms to the Inst itute of Electrical and Electronics Engineers (IEEE) 802.1 1g standard for wireless LANs (WL ANs). On an 802.11 wireless l[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-2 Wireless Networking B asics M-10181-03 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 g enerally communicate with any ot her node. There is no access po[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-3 M-10181-03 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 in neighboring wir[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-4 Wireless Networking B asics M-10181-03 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 defined two ty pes o[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-5 M-10181-03 • 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 illustrated in below .[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-6 Wireless Networking B asics M-10181-03 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 tion request to th[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-7 M-10181-03 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-set bits are added [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-8 Wireless Networking B asics M-10181-03 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 commercially availa[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-9 M-10181-03 • 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 Wi-Fi Protected Access products. Starting August[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-10 Wirele ss Network ing Basi cs M-10181-03 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 of the 802.1 1i dra[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-11 M-10181-03 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 that uses a st atic[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-12 Wirele ss Network ing Basi cs M-10181-03 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 network, as well as prov[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-13 M-10181-03 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-shared key) and the p[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-14 Wirele ss Network ing Basi cs M-10181-03 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 located on the wired si[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-15 M-10181-03 T e mporal 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 initialization vector (IV) wi[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-16 Wirele ss Network ing Basi cs M-10181-03 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) check within 60 seco[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Wireless Networking Basics B-17 M-10181-03 • The new WP A information element T o advertise their support of WP A, wireless APs send the beacon frame with a new 802.1 1 WP A information element that conta ins the wire less AP's security configuration (encryption algorithms and [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point B-18 Wirele ss Network ing Basi cs M-10181-03 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 component). T o obtain[...]

Network, Routing, Firewa ll, and Cabling Basics C-1 M-10181-03 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 Comment (RFC) publish[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-2 Network, Routing, Firewall, and C abling Basics M-10181-03 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 correct destination. Blo[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-3 M-10181-03 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 node number . Clas[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-4 Network, Routing, Firewall, and C abling Basics M-10181-03 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 address of the range[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-5 M-10181-03 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 gives us 16 bits [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-6 Network, Routing, Firewall, and C abling Basics M-10181-03 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 of the additional s[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-7 M-10181-03 • 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 order for this sch[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-8 Network, Routing, Firewall, and C abling Basics M-10181-03 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 internal LAN addresses [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-9 M-10181-03 The WG602 v2 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 ISP prov ides thi[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-10 Network, Routing, Fi rewall, and Cabling Basics M-10181-03 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 its media access c[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-11 M-10181-03 What is a Firewall? A firewall is a device that protects one netw ork from another , while allowing communication between the two. A firewall incorporates the functi ons of the NA T router , while adding features for deali[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-12 Network, Routing, Fi rewall, and Cabling Basics M-10181-03 . 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 ft. (6 m) between t[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-13 M-10181-03 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 rnally as part of the [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-14 Network, Routing, Fi rewall, and Cabling Basics M-10181-03 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 collisio ns, causing [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Network, Routing, Firewall, and Cabling Basics C-15 M-10181-03 The WG602 v2 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 normal con nection [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point C-16 Network, Routing, Fi rewall, and Cabling Basics M-10181-03[...]

Preparing Your PCs for Network Access D-1 M-10181-03 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 ire less Access Point WG602 v2. For adding file and print sharin g to your networ k , please consult the W indows help information included with the[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point D-2 Pr epa ring Your PCs for Network Access M-10181-03 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 insert it during the T[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Preparing Your PCs for Network Access D-3 M-10181-03 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 the Add button. [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point D-4 Preparing Your PCs for Network Access M-10181-03 DHCP Configuration of TCP /IP in Windows 98 and Me In W indow s 98 and Me systems, locate your Network Neighborhood icon. • If the Network Neighborhood icon is on the W indows desktop, position your mouse pointer over it and right-[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Preparing Your PCs for Network Access D-5 M-10181-03 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 set up my Int ern[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point D-6 Preparing Your PCs for Network Access M-10181-03 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 adapter . The window is[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Preparing Your PCs for Network Access D-7 M-10181-03 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 through the configura t[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point D-8 Preparing Your PCs for Network Access M-10181-03 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 window . • Click [...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Preparing Your PCs for Network Access D-9 M-10181-03 DHCP Configuration of TC P/IP in Windows 2000 After you install a network card, TCP /IP for W indows 2000 is configured and set to DHCP without your having to configure it. However , if there are problems, follow the steps below to [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point D-10 Preparing Your PCs for Network Acce ss M-10181-03 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 of “Components c[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Preparing Your PCs for Network Acce ss D-1 1 M-10181-03 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 S tart button, and then click Run. The Run window opens. 2. Ty p e cmd and then click OK. A [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point D-12 Preparing Your PCs for Network Acce ss M-10181-03[...]

M-10181-03 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 provi de authenticated network access and automated data encryption key mana gement. The IEEE 802.1x draft standard offe rs an ef fective frame work for authenticati[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 2 Glossary M-10181-03 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 direct ories and/or files). ACL See “Access Control List” Ad-hoc Mode An 802.1 1 networking framew ork in which devi[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Glossary 3 M-10181-03 C Class of Service A term to describe treating different types of traffic with different levels of servi ce priority . Higher priority traffic gets faster treatment during times of switch congestio n D DHCP See “Dynamic Host Configuration Protocol.” DNS Short[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 4 Glossary M-10181-03 Dynamic Host Con figuration Prot ocol. DHCP is a protocol for assigning dynami c IP addresses to devices on a network. With dynamic addressing, a device can have a different IP address every time it co nnects to the network. In some systems, the device's IP a[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Glossary 5 M-10181-03 IEEE Institute of Electrical and Electronics Engineers. This American organi zation wa s fo unded in 1963 and sets standards for computers and communications. IETF Internet Engineering T ask Force. An organization res ponsible for pro viding engineering solutions[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 6 Glossary M-10181-03 Networking Layer . The most widely used version of IP today is IP version 4 (I Pv4). Howeve r, IP version 6 (IPv6) is also beginning to be support ed. IPv6 pro v ides for much longer addresses and therefore for the possibility of many more Internet users. IPv6 inc[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Glossary 7 M-10181-03 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 sent or received. [...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 8 Glossary M-10181-03 Network Address Tr anslation Sometimes referred to as T ransparen t Proxying, IP Address Overloading, or IP Masqueradi ng. Involves use of a device called a Network Address T ranslator , which assigns a contrived, or lo gical, IP address and port number to each no[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Glossary 9 M-10181-03 Protocol A set of rules for communi cation between dev ices on a network. PSTN Public Switched T elephone Network. Q QoS See “Quality of Service” Quality of Ser vice QoS is a networking t erm that specifies a guarant eed level of throughput. Throughput is the[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 10 Glossary M-10181-03 be configured with the same SSID. This is typically the configuration param eter for a wireless PC card. It corresponds to the ESSID in the wireless Access Point and to the wireless network name. See also Wi reless Network Name and ESSID. Segment A section of a L[...]

Reference Manual for the WG602 v2 54 Mb ps Wireless Access Point Glossary 11 M-10181-03 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 clients within the firewall and forwards these requests to remote Internet servers ou[...]

Reference Manual for the WG602 v2 54 Mbps Wireless Access Point 12 Glossary M-10181-03[...]

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, 5-1, 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-1[...]

2 Index 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 ireless Access 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 concepts B-1 S Shared Key authenticati [...]