ZyXEL Communications 802.11g Wireless Access Point ZyXEL G-560 manuale d’uso

ZyXEL G-560 802.1 1g Wireless Access Point User ’ s Guide Ve r s i o n 3 . 0 9/2005[...]

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ZyXEL G-560 User’s Guide Copyright 3 Copyright Copyright © 2005 by ZyXEL Communications Corpo ration. The contents of this publication may not be reprod uced in any part or as a whole, transcribed, stored in a retrieval system, tran slated into any language, or transmitted in any form or by any means, el ectronic, mechanical , magnetic, optical,[...]

ZyXEL G-560 User’s Guide 4 Federal Communications Commission (F CC) Interference Statement Federal Communications Commission (FCC) Interference S t atement This device complies with Part 15 of FCC rul es. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any inter[...]

ZyXEL G-560 User’s Guide Federal Com munications Commission (FCC) Interf erence State ment 5 Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Certifications 1 Go to www .zyxel.com . 2 Select your product from t he drop-down list box on the ZyXEL home page to g o to that product's page. 3 Select the certifica[...]

ZyXEL G-560 User’s Guide 6 Safety Warnings Safety W arnings For your safety , be sure to read and fo llow all warning notices and instructions. • Do NOT open the device or un it. Opening or removi ng covers can expose you to dangerous high vo ltage points or othe r risks. ONL Y qualified serv ice personnel can service the device. Please contact[...]

ZyXEL G-560 User’s Guide ZyXEL Limited Warranty 7 ZyXEL Limited W arranty ZyXEL warrants to the original en d user (purchaser) that this product is free from any defects in materials or workmansh ip for a period of up to tw o years from the date of purchase . During the warranty period, and upon proof of purchase, should the product have ind icat[...]

ZyXEL G-560 User’s Guide 8 Customer Suppo rt Customer Support Please have the following information r eady when you contact customer support. • Product model and serial number . • W arranty Information. • Date that you received your de vice. • Brief description of the problem and the steps yo u took to solve i t . METHOD LOCATION SUPPOR T[...]

ZyXEL G-560 User’s Guide Customer Support 9 UNITED KINGDOM support@zyxel.co.uk +44 (0) 1344 303044 08707 555779 (UK only) www .zyxel.co.uk ZyXEL Communications UK Ltd.,1 1 The Courtya rd, Eastern Road, Bracknell, Berkshire, RG12 2XB, United Kingdom (UK) sales@zyxel.co.uk +44 (0) 1344 303034 ft p.zyxel.co.uk a. “+” is the (prefi x) number you [...]

ZyXEL G-560 User’s Guide 10 Customer Suppo rt[...]

ZyXEL G-560 User’s Guide Table of Contents 11 T able of Content s Copyright .................................................. ................................................................ 3 Federal Communications Commissi on (FCC) Interference St atement ............... 4 Safety W arnings ......................................................[...]

ZyXEL G-560 User’s Guide 12 Table of Contents Chapter 3 Introducing the W eb Configurator ............................... ......................................... 37 3.1 Web Configurator Overview ................ ............. ............ ................. ............ ......... 37 3.2 Accessing the G-560 Web Configurator ......................[...]

ZyXEL G-560 User’s Guide Table of Contents 13 6.4.1 Access Point Mode .................... ............. ................ ............. ............ ......... 58 6.4.2 Access Point + Bridge Mode ........... ................ ............. ................ ............ 61 6.4.2.1 Bridge Loop .................. ................. ............ .......[...]

ZyXEL G-560 User’s Guide 14 Table of Contents 7.4 Configuration Screen .......................... ............. ................ ............. ................ ..... 87 7.4.1 Backup Configuration ...... ............. ............. ................ ............. ................ ..88 7.4.2 Restore Configuration ............ ................. .....[...]

ZyXEL G-560 User’s Guide List of Fi gures 15 List of Figures Figure 1 WDS Functionality Example ............. ....... ................ ............. ............. ................ ... 23 Figure 2 Internet Access Applic ation ..... ................. ............. ................ ............. ................ ... 26 Figure 3 Corporation Network A[...]

ZyXEL G-560 User’s Guide 16 List of Figures Figure 39 WP A(2)-PSK Authentic ation ........ ................................................ ............. .......... 72 Figure 40 WP A w ith RADIUS Application Exam ple ............ ................ ............. ................ ... 73 Figure 41 Wireless Security: Disable .... .......... ... ......[...]

ZyXEL G-560 User’s Guide List of Fi gures 17 Figure 82 Windows XP: Internet Protocol (TCP/IP) Properties .................... ................ ....... 109 Figure 83 Windows XP: Advanced TCP/IP Properties . ............. ................ ................ .......... 1 10 Figure 84 Windows XP: Internet Protocol (TCP/IP) Properties ..................[...]

ZyXEL G-560 User’s Guide 18 List of Figures[...]

ZyXEL G-560 User’s Guide List of Tables 19 List of T ables T able 1 Front Panel LED Description .......... ................ ................ ................ ................ ....... 28 T able 2 Factory Defaults ................ ................ ................ ............. ................ ............. .......... 3 5 T able 3 S tatus ....... [...]

ZyXEL G-560 User’s Guide 20 List of Tables T able 39 Subnet 2 .......... ............. ................ ............. ................ ............. ................ ........... .. 137 T able 40 Subnet 3 .......... ............. ................ ............. ................ ............. ................ ........... .. 137 T able 41 Subnet 4 ..[...]

ZyXEL G-560 User’s Guide Preface 21 Preface Congratulations on your purc hase from the ZyXEL G-560 802.1 1g W ireless Access Point. Note: Register your product online to receive e-mail notice s of firmware upgrades and information at www .zyxel.com for global products, or at www .us.zyxel.com for North American products. An access point (AP) acts[...]

ZyXEL G-560 User’s Guide 22 Pref ace • The ZyXEL G-560 802.1 1g W ireless Access Point may be referred to simply as the G- 560 in the user's guide. Graphics Icons Key G-560 Computer Notebook computer Server Modem Wireless Signal T ele phone Switch Router[...]

ZyXEL G-560 User’s Guide Chapter 1 Getting to Know Your G-560 23 C HAPTER 1 Getting to Know Y our G-560 This chapter introduces the main feat ures an d applications of the G-560. 1.1 Introducing the G-560 Wireless Access Point The G-560 is an access point (AP) through whic h wireless stations can communicate and/or access a wired network. It can [...]

ZyXEL G-560 User’s Guide 24 Chapter 1 Getting to Know Your G-560 OTIST (One-T ouch Intellig ent Security T echnology) OTIST allows your G-560 to assign its SSID an d security settings (WEP or WP A-PSK) to the ZyXEL wireless adapters that support OTIST and are within transmission range. The ZyXEL wireless adapters must also have OTIST enabled. 10/[...]

ZyXEL G-560 User’s Guide Chapter 1 Getting to Know Your G-560 25 SSL Passthrough The G-560 allows SSL connectio ns to go through the G-560. SSL (Secure Sockets Layer) uses a public key to encrypt data that's tran smitted over an SSL connec tion. Both Netscape Navigator and Internet Explorer sup port SSL, and many W eb sites use the protocol [...]

ZyXEL G-560 User’s Guide 26 Chapter 1 Getting to Know Your G-560 Limit the Number of Client Connections Y ou may set a maximum number of wireless statio ns that may connect to the G-560. This may be necessary if for example, there is interfere nce or difficulty with channel assignment due to a high density of AP s wi thin a coverage area. 1.3 App[...]

ZyXEL G-560 User’s Guide Chapter 1 Getting to Know Your G-560 27 Figure 3 Corporation Network Application 1.3.2 Access Point + Bridge In Access Point + Bridge mod e, the G-560 supports both AP ( A and B can connect to the wired network through X ) and bridge ( X can communicate with Y ) connection at the same time. The G-560 can act as a wireless[...]

ZyXEL G-560 User’s Guide 28 Chapter 1 Getting to Know Your G-560 Figure 4 AP+Bridge Application 1.4 The LED Display Figure 5 Front Panel The following table describes the LEDs on the G-560. Table 1 Front Panel LED Descri ption LED COLOR ST A TUS DESCRIPTION PWR Green Blinking The G-560 is not ready or rebooting. On The G-560 has a successful rebo[...]

ZyXEL G-560 User’s Guide Chapter 1 Getting to Know Your G-560 29 OTIST Green Blinking The OTIST automatic wire less configuration is in progress. On The OTIST feature is activated on the G-560. Off The OTIST feature is not activate d or activated but the wireless settings are ch anged again. WLAN Green Blinking The G-560 is sendi ng or receiving [...]

ZyXEL G-560 User’s Guide 30 Chapter 1 Getting to Know Your G-560[...]

ZyXEL G-560 User’s Guide Chapter 2 Manage ment Computer Setup 31 C HAPTER 2 Management Computer Setup This chapter describes how to prepare your computer to access the G-560 web configurator . 2.1 Introduction Y ou can connect a computer to the G-560 for management purposes either using an Ethernet connection (recommended for a first tim e manage[...]

ZyXEL G-560 User’s Guide 32 Chapter 2 Management Compu ter Setup 2.2.1.1 Windows 2000/NT/XP The following exa mple figures use the default W indows XP GUI theme. 1 Click start ( St a r t in W indows 2000/NT) > Settings > Control Panel . 2 In the Control Panel , double-click Network Connections ( Network and Dial-up Connections in W indow s [...]

ZyXEL G-560 User’s Guide Chapter 2 Manage ment Computer Setup 33 Figure 9 Local Area Connection Proper ties 5 Select Use the following IP Addr ess and fill in an IP address (between 192. 168.1.3 and 192.168.1. 254). • T ype 255.255.255.0 as the Subnet mask . • Click Advan ced 1 . Figure 10 Internet Protocol Properties 6 Remove any previously [...]

ZyXEL G-560 User’s Guide 34 Chapter 2 Management Compu ter Setup Figure 1 1 Advanced TCP/IP Settings No gateways configured. 7 Click OK to close the Internet Protocol (TCP/IP) Properties window . 8 Click Close ( OK in W ind ows 2000/NT) to close the Local Area Connection Properties window . 9 Close the Network Connections window ( Network and Dia[...]

ZyXEL G-560 User’s Guide Chapter 2 Manage ment Computer Setup 35 Note: The wireless stations and G-560 must use the same SSID, channel and wireless security s ettings for wireless com munication. If you do not enable any wireless security on your G-560, your network traffic is visible to any wireless networking device that is within range. 2.4 Re[...]

ZyXEL G-560 User’s Guide 36 Chapter 2 Management Compu ter Setup[...]

ZyXEL G-560 User’s Guide Chapter 3 Introdu cing the Web Configurator 37 C HAPTER 3 Introducing the W eb Configurator This chapter describes how to configure the G-560 using the W izard. 3.1 W eb Configurator Overview The web configurator is an HTML-based manage ment interface that allows easy G-560 setup and management via Interne t browser . Use[...]

ZyXEL G-560 User’s Guide 38 Chapter 3 Introducing the Web Configurator Figure 13 Welco me Screen Default password is 1234. 6 Y ou should see a screen askin g you to change y our password (highly recommended) as shown next. T ype a new password (and rety pe it to confirm) and click Apply or click Ignore to allow access without pa ssword change. No[...]

ZyXEL G-560 User’s Guide Chapter 3 Introdu cing the Web Configurator 39 Figure 15 S tatus Screen Click SETUP WIZARD to help you configure your G-560 to set up a wireless network. Use the submenus under SETTINGS to configure advanced G-560 features. Click LOGOUT at any time to exit the web configurator . Note: See the rest of this User's Guid[...]

ZyXEL G-560 User’s Guide 40 Chapter 3 Introducing the Web Configurator Enter a Subnet Mask appropriate to your network an d the Gateway IP Address of the neighboring device, if you know it. If you do not, leave t h e Gateway IP Addr ess field as 0.0.0.0 . Figure 16 Wizard 1: Basic Settings Do not select this unless you have a router that can assi[...]

ZyXEL G-560 User’s Guide Chapter 3 Introdu cing the Web Configurator 41 Figure 17 Wizard 2: Wireless Settings 3.3.3 Security Settings Fill in the fields in the third wizard configur ation screen. The screen varies depending on what you select in the Encryption Method field. Select Disable to have no wireless security configured, select WEP , or s[...]

ZyXEL G-560 User’s Guide 42 Chapter 3 Introducing the Web Configurator Figure 18 Setup Wizard 3: Disable 3.3.3.2 WEP 1 WEP (W ired Equivalent Privacy) encrypts data frames before tr ansmitting over the wireless network. Select 64-bit , 128-bit or 256-bit from the WEP Encryption drop- down list bo x and then follow th e on-scre en instructions to [...]

ZyXEL G-560 User’s Guide Chapter 3 Introdu cing the Web Configurator 43 Figure 19 Wizard 3: WEP Use Passphrase to automatically generate keys or manually enter a key in the Key 1 field. 3.3.3.3 WP A-PSK 1 T ype a pre-shared key to have a more sec ure wireless connection. Choose this option only if your wireless clients support it. 2 T ype from 8 [...]

ZyXEL G-560 User’s Guide 44 Chapter 3 Introducing the Web Configurator Figure 21 Wizard 4: Confirm Y our Settings For more detailed background information, see the rest of this User's Guide.[...]

ZyXEL G-560 User’s Guide Chapter 4 Status Screens 45 C HAPTER 4 S t atus Screens This chapter describes the Status screens. 4.1 System S tatus Click ST A TUS to display a snapshot of your G-56 0 settings. Y ou can also view network statistics and a list of wireless stations currentl y associated with the G-560. Note that these labels are READ-ONL[...]

ZyXEL G-560 User’s Guide 46 Chapter 4 Status Screens The following table describes the labels in this screen. Table 3 Status LABEL DESCRIPTION Device Information Device Name This is the same as Device Name you entered in the first wizard screen if you entered one there. It is for identification purpo ses. Operation Mode This field shows whether t[...]

ZyXEL G-560 User’s Guide Chapter 4 Status Screens 47 Figure 23 S tatus: V iew S tatistics The following table describes the labels in this screen. Table 4 S tatus: V iew S tatistics LABEL DESCRIPTION Port This is the Ethernet or wireless port. TxPkts This is the number of transmitted packets on this port. RxPkts This is the number of received pac[...]

ZyXEL G-560 User’s Guide 48 Chapter 4 Status Screens The following table describes the labels in this screen. Table 5 S tatus: V iew Association List LABEL DESCRIPTION No. This is the index number of an associated wireless station. MAC Address This field displays the MAC address of an associated wireless station. Association T ime This field disp[...]

ZyXEL G-560 User’s Guide Chapter 5 System Screens 49 C HAPTER 5 System Screens This chapter provides informa tion on the System screens. 5.1 Factory Ethernet Default s The Ethernet parameters of the G-560 are pres et in the factory with the following values: • IP address of 192.168.1 .2 • Subnet mask of 25 5.255.255.0 (24 b its) • Encryptio[...]

ZyXEL G-560 User’s Guide 50 Chapter 5 S ystem Screen s Note: Regardless of your p articular situation, do not create an arbitra ry IP address; always follow the guidelines above. Fo r more information on address assignment, please refer to RFC 1597, Addr ess Allocation for Private I nternets and RFC 1466, Guidelines for Ma nagement of IP Address [...]

ZyXEL G-560 User’s Guide Chapter 5 System Screens 51 Figure 25 System Settings The following table describes the labels in this screen. Table 7 System Settings LABEL DESCRIPTION Device Name This name can be up to 30 printable characters long. Sp aces are allowed . IP Address Assignment Obtain IP Address Automatically Select this option to have yo[...]

ZyXEL G-560 User’s Guide 52 Chapter 5 S ystem Screen s 5.4 Time Settings T o change your G-560's time and date, click SETTINGS > SYSTEM > T ime Settings . The screen appears as shown. Use this screen to manually enter a time and date. Log times and dates are based on the time and date you configure here. Figure 26 T ime Settings The fo[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 53 C HAPTER 6 W ireless Screens This chapter discusses how to configure wirele ss settings and wireless security on your G-560. 6.1 Wireless LAN Overview This section introduces the wireless LAN (WLAN) and some basic scenarios. 6.1.1 IBSS An Independent Basic Servic e Se t (IBSS), also called a[...]

ZyXEL G-560 User’s Guide 54 Chapter 6 Wireless Screens Figure 28 Basic Service set 6.1.3 ESS An Extended Service Set (ESS) consists of a series of overlappi ng BSSs, each containing an access point, with each access point connected together by a wired network. This wired connection between APs is called a Distributio n System (DS). An ESSID (ESS [...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 55 Figure 29 Extended Service Set 6.2 Wireless LAN Basics This section describes the wireless LAN network terms. 6.2.1 Channel A channel is the radio frequency(ies) used by IEEE 802.1 1b wireless devices. Channels available depend on your g eographical area. Y ou may have a choice o f channels [...]

ZyXEL G-560 User’s Guide 56 Chapter 6 Wireless Screens 6.2.3 RTS/CTS A hidden node occurs when two stations are with in range of the same access point, but are not within range of each other . The following figure illustrates a hidden node. Both stations (ST A) are within range of the access point (AP) or wi reless gateway , but out- of-range of [...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 57 6.2.4 Fragment ation Threshold A Fragmentation Threshold is the maximum data fragment s ize (between 256 an d 2432 bytes) that can be sent in th e wireless network before the G- 560 will fragment the packet into smaller data frames. A large Fragmentation Thr eshold is recommended for network[...]

ZyXEL G-560 User’s Guide 58 Chapter 6 Wireless Screens 6.3.3 T oS (T ype of Service) and WMM QoS T oS defines the DS(Differentiated Service) fiel d in the IP packet header . The T oS value of outgoing packe ts is between 0 and 255. 0 is the lowest priority . WMM QoS checks the T oS in the header of transm itted data packets. It gives the applicat[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 59 Figure 31 Wireless Settings: Access Point The following table describes the labels in this screen. Table 10 Wireless Settings: Access Point Operation Mode Select the operation mode from the drop-down list. The options are Acce ss Point and Access Po int + Bridg e . SSID Wireless stations ass[...]

ZyXEL G-560 User’s Guide 60 Chapter 6 Wireless Screens Wireless Mo de Select Pure B Mode to allow only IEEE 802.1 1b compliant WLAN devices to associate with the G-56 0. Select Pure G Mode to allow only IEEE 802.1 1g compliant WLAN devices to associate with the G-56 0. Select Mixed Mode to allow either IEEE 802. 1 1b or IEEE 802.1 1g compliant WL[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 61 6.4.2 Access Point + Bridge Mode The G-560 can act as a wireless network bridge and establish up to four wireless links with other APs. Y ou need to know the MAC address of the peer device, which also must be in bridge mode. In the example below , when both G-560s are in Acces s Point + Brid[...]

ZyXEL G-560 User’s Guide 62 Chapter 6 Wireless Screens Figure 33 Bridge Loop: T wo Bridges Connected to Hub If your G-560 (in bridge mode) is co nnected to a wired LAN while co mmunicating with another wireless bridge that is also conn ected to the same wired LAN as shown next. Figure 34 Bridge Loop: Bridges Conn ected to the Same Wired LAN If th[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 63 Figure 35 Bridge Loop: Bridges on Dif ferent Wired LANs T o prevent bridge loops, do not set the G-560 to bridge mo de while connected t o both wired and wireless segments of the same LAN. Also make sure that you do not have three o r more G-560s (in bridge mode and on dif fe rent wi red LAN[...]

ZyXEL G-560 User’s Guide 64 Chapter 6 Wireless Screens Figure 36 Wireless Settings: A ccess Point + Bridge The following table describes the labels in this screen. Table 11 Wireless Settings: A ccess Point + Bridge Operation Mode Select the operation mode from the drop-down list. The options are Acce ss Point and Access Po int + Bridg e . SSID Wi[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 65 Channel Set the operating fre quency/channel dependin g on your particular region. Select a channel from the drop-down list box. Refer to the chapter on wizard setu p for more information about channel s. Wireless Mo de Select Pure B Mode to allow only IEEE 802.1 1b compliant WLAN devices to[...]

ZyXEL G-560 User’s Guide 66 Chapter 6 Wireless Screens 6.5 Wireless Security Overview W ireless security is vital to your network to p rotect wireless commu nication betw een wireless stations, access points and the wired network. The figure below shows the possible wirele ss secur ity levels on you r G-560. EAP (Extensible Authentication Protoco[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 67 6.5.1 Encryption • Use WP A(2) security if you have WP(2)A-aware wirele ss clients and a RADIUS server . WP A(2) has user authentication and improved data encryption over WEP . • Use WP A(2)-PSK if you have WP A(2)-aware wireless clients but no RADIUS serv er . • If you don’t have WP[...]

ZyXEL G-560 User’s Guide 68 Chapter 6 Wireless Screens Figure 37 WEP Authenticat ion S teps Open system authentication in volves an unencrypted two-message procedure. A wireless station sends an open system authentication request to the AP , which will then automatically accept and connect the wireless station to the network. In effect, open syst[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 69 6.8 Introduction to RADIUS RADIUS is based on a client-sever model that supports authentication and accounting, where access point is the client and the server is the RADIUS server . The RADIUS server handles the following tasks among others: • Authentication Determines the identity of the[...]

ZyXEL G-560 User’s Guide 70 Chapter 6 Wireless Screens 6.9 EAP Authentication Overview EAP (Extensible Authentication Protocol) is an au thentication protocol that runs on top of the IEEE802.1x transport mech anism in order to support multiple types of user au thentication. By using EAP to interact with an EAP-compatib le RADIUS server , the acce[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 71 T o use Dynamic WEP , enable and configure the RADIUS server and enable Dynamic WEP Key Exchange in the WIRELESS Security 802.1x screen. Ensure that the wireless station’ s EAP type is configured to one of the following: •E A P - T L S •E A P - T T L S • PEAP Note: EAP-MD5 cannot be [...]

ZyXEL G-560 User’s Guide 72 Chapter 6 Wireless Screens 6.1 1.2 User Authentication WP A or WP A2 applies IEEE 802.1 x and Exte nsible Authentication Protocol (EAP) to authenticate wireless clients using an external RADIUS database. 6.12 WP A(2)-PSK Application Example A WP A(2)-PSK applica tion looks as follows. 1 First enter identical passwords [...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 73 generate unique data encry ption keys to encr ypt every data packet that is wirelessly communicated between the AP and the wireless clients. Figure 40 WP A with RADIU S Application Example 6.14 Security Parameters Summary Refer to this table to see what other secur ity parameters you shou ld[...]

ZyXEL G-560 User’s Guide 74 Chapter 6 Wireless Screens 6.15 Wireless Client WP A Supplicant s A wireless client supplicant is the software that runs on an operating system instructing the wireless client how to use WP A. At the time of writing, the mo st widely availa ble supplicants are the WP A patch for W indows XP , Funk Softwa re's Odys[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 75 The following table describes the labels in this screen. Table 14 Wireless Security: Disable LABEL DESCRIPTION Encryption Method Select Disable to have no wireless LAN security configured. Apply Click Apply to save your changes back to the G-560. Reset Click Reset to begin configuring this s[...]

ZyXEL G-560 User’s Guide 76 Chapter 6 Wireless Screens 6.16.3 WP A-PSK/WP A2-PSK/Mixed Select WP A-PSK , WP A2-PSK or WP A-PSK/WP A2-PSK/Mixed in the Encryption Method drop down list-box to display the screen displays as next. Figure 43 Wireless Security: WP A-PSK Passphrase Enter a “passphrase” (password phrase) of up to 32 case-sensitive pr[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 77 The following table describes the labels in this screen. Table 16 Wireless Security: WP A-PSK LABEL DESCRIPTION Encryption Method Select WP A-PSK if you want to configure a pre-shared key but your wireless clients don’t support WP A2. Select WP A2-PSK if you want to configure a pr e-shared[...]

ZyXEL G-560 User’s Guide 78 Chapter 6 Wireless Screens The following table describes the labels in this screen. Table 17 Wireless Securit y: WP A LABEL DESCRIPTION Encryption Method Select WP A to configure user authentication an d improved data encryption if your wireless clients don’t support WP A2. Select WP A2 to configure user authe nticat[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 79 Figure 45 Wireless Se curity: 802. 1x The following table describes the labels in this screen. Table 18 Wireless Secu rity: 802. 1x LABEL DESCRIPTION Encryption Method Select 802.1x to configure authentication of wireless stations and encryption key management. Dynamic WEP Key Exchange Selec[...]

ZyXEL G-560 User’s Guide 80 Chapter 6 Wireless Screens 6.17 MAC Filter The MAC filter screen allows you to configure the G-560 to give exclusive access to up to 32 devices (Allow Association) or exclude up to 32 devices from accessing the G-560 (Deny Association). Every Ethernet device has a uniq ue MAC (Media Access Control) address. The MAC add[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 81 The following table describes the labels in this screen. Table 19 MAC Filter LABEL DESCRIPTION Active Select the check box to enable MAC address filtering and define the filter action for the list of MAC addresses in the MAC address fi lter table. Select Allow the following MAC address to as[...]

ZyXEL G-560 User’s Guide 82 Chapter 6 Wireless Screens Hold in the Reset button for one or two second s. Note: If you hold in th e Reset button too long, the device will reset t o the factory default s! 6.18.1.1.2 W eb Configurator Click WIRELESS > SETTINGS > OTIST to configure and enable OTIST . The screen appears as shown. Figure 47 OTIST[...]

ZyXEL G-560 User’s Guide Chapter 6 Wireles s Screens 83 Figure 48 Example Wireless Client OTIST Screen 6.18.2 S t arting OTIST Note: Y ou must click Star t in the AP OTIST web configurator screen and in the wireless client(s) Adapter screen all within three minutes (at the time of writing). Y ou can start OTIST in the wireless client s and AP in [...]

ZyXEL G-560 User’s Guide 84 Chapter 6 Wireless Screens Figure 52 No AP with OTIST Found • If there is more than one OTIST -enabled AP w ithin range, you see a screen asking you to select one AP to get settings from. 6.18.3 Notes on OTIST 1 If you enabled OTIST in the wireless client, you see this screen each time you start the utility . Click Y[...]

ZyXEL G-560 User’s Guide Chapter 7 Manag ement Screen s 85 C HAPTER 7 Management Screens This chapter describes the Maintenance screens. 7.1 Maintenance Overview Use these maintenance screens to change the pa ssword, view logs, back up or restore the G- 560 configuration and change the web configurator language. 7.2 Configuring Password T o chang[...]

ZyXEL G-560 User’s Guide 86 Chapter 7 Manag ement Screen s 7.3 Logs The web confi gurator allows you to look at all o f the G-560's logs in one location. Click SETTINGS > MANAGEMENT > Logs to open the Logs screen. Y ou can view logs and alert messages in this page. Once the log table is full, old logs are deleted as new logs are create[...]

ZyXEL G-560 User’s Guide Chapter 7 Manag ement Screen s 87 7.4 Configuration Screen The configuration file (often ca lled the romfile or rom-0) contai ns the factory default settings such as password and TCP/IP Setup, etc. It arrives from ZyXEL with a .rom filename extension. Once you ha ve customized the G-560's settings, they can be saved [...]

ZyXEL G-560 User’s Guide 88 Chapter 7 Manag ement Screen s 7.4.1 Backup Configuration Backup configuration allows yo u to back up (sav e) the G-560's current co nfiguration to a file on your computer . Once your G-560 is configured and functioning properly , it is highly recommended tha t you back up your configuratio n file before making co[...]

ZyXEL G-560 User’s Guide Chapter 7 Manag ement Screen s 89 Figure 58 Network T emporarily Disconnected If you uploaded the default config uration file you may need to cha nge the IP address of your computer to be in the same su bnet as that of the default G-5 60 IP address (192.168.1.2). If the upload was not successful, the following screen will[...]

ZyXEL G-560 User’s Guide 90 Chapter 7 Manag ement Screen s 7.5 F/W Upload Screen Find firmware at www .zyxel.com in a file that (usually) uses the system model name with a .bin extension, for example, "zyxel.bin". The upload process uses HTTP (Hypertext T ransfer Protocol) and may take up to two minutes. Afte r a successful upload, th e[...]

ZyXEL G-560 User’s Guide Chapter 7 Manag ement Screen s 91 Figure 62 Firmware Upload In Process The G-560 automatically restarts in this tim e causing a temporary network discon nect. In some operating systems, you may see the following icon on your desktop. Figure 63 Network T emporarily Disconnected After two minutes, log in again and check you[...]

ZyXEL G-560 User’s Guide 92 Chapter 7 Manag ement Screen s Figure 65 Management: Langu age[...]

ZyXEL G-560 User’s Guide Chapter 8 Trou bleshoot ing 93 C HAPTER 8 T roubleshooting This chapter covers potential pr oblems and possible remedies. After each problem descri ption, some instructions are provided to help you to diagno se and to solve the prob lem. 8.1 Problems S tarting Up the G-560 Table 25 Troubleshootin g the Start-Up of Your G-[...]

ZyXEL G-560 User’s Guide 94 Chapter 8 Troublesho oting 8.3 Problems with the WLAN Interface Table 27 Troubleshootin g the WLAN Interface PROBLEM CORRECTIVE ACTION Cannot access the G-560 from the WLAN. Make sure the wireless adapter on the wireless station is worki ng properly . Check that both the G-560 and your wirel ess station are using the s[...]

ZyXEL G-560 User’s Guide Chapter 8 Trou bleshoot ing 95 8.4.1 Pop-up Windows, JavaS cript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-u p windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default). Note: Internet Explorer 6 screens are used here[...]

ZyXEL G-560 User’s Guide 96 Chapter 8 Troublesho oting Figure 66 Pop-up Blocker Y ou can also check if po p-up blocking is disabled in the Pop-up Blocker section in the Privacy tab. 1 In Internet Explorer , select To o l s , Internet Options , Privacy . 2 Clear the Block pop-ups check box in the Pop-up Block er section of the screen. This disable[...]

ZyXEL G-560 User’s Guide Chapter 8 Trou bleshoot ing 97 Figure 68 Internet Options 3 T ype the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.168.1.1. 4 Click Add to move the IP address to the list of Allowed sites .[...]

ZyXEL G-560 User’s Guide 98 Chapter 8 Troublesho oting Figure 69 Pop-up Blocker Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. 8.4.1.2 JavaScript s If pages of the web configurat or do not display properly in Inte rnet Explorer , check that JavaScripts are allowed. 1 In Internet Explorer , click T ools[...]

ZyXEL G-560 User’s Guide Chapter 8 Trou bleshoot ing 99 Figure 70 Internet Options 2 Click the Custom Level... button. 3 Scroll down to Scripting . 4 Under Active scripting make sure that Enable is selected (the default). 5 Under Scripting of Java applets make sure that Enable is sele cted (the default). 6 Click OK to clos e the window .[...]

ZyXEL G-560 User’s Guide 100 Chapter 8 Troublesho oting Figure 71 Security Settings - Java Scri pting 8.4.1.3 Java Permissions 1 From Internet Explorer , click To o l s , Internet Options and then the Security tab. 2 Click the Custom Level... button. 3 Scroll down to Microsoft VM . 4 Under Java permissions ma ke sure that a safety level is select[...]

ZyXEL G-560 User’s Guide Chapter 8 Trou bleshoot ing 101 Figure 72 Security Settings - Java 8.4.1.3.1 JA V A (Sun) 1 From Internet Explorer , click To o l s , Internet Options and then the Advanced tab. 2 make sure that Use Java 2 for <applet> u nder Java (Sun) is selected. 3 Click OK to clos e the window .[...]

ZyXEL G-560 User’s Guide 102 Chapter 8 Troublesho oting Figure 73 Java (S un) 8.5 T esting the Connection to the G-560 1 Click St a r t , (All) Programs , Accessories and then Command Prompt . 2 In the Command Pr ompt window , type “ping” followed by a s pace and the IP address of the G-560 (192.168.1.2 is the default). 3 Press ENTER . The fo[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 103 A PPENDIX A Setting up Y our Computer ’ s IP Address All computers must have a 10M or 100M Et hernet adapter card and TCP/IP installed. W indows 95/98/Me/NT/2000/XP , Macintosh OS 7 and later operating systems and all versions of UNIX/LINUX include the software comp[...]

ZyXEL G-560 User’s Guide 104 Appendix A Setting up Your Computer’s IP Address Figure 75 WIndows 95/98/Me: Network: Co nfiguration Inst alling Component s The Network window Configuration tab displays a list of installed components. Y ou need a network adapter , the TCP/IP protocol and Client for Microso ft Networks. If you need the adapter: 1 I[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 105 3 Select Microsoft from the list of manufacturers. 4 Select Client for Microsoft Networks from the list of network clients and then click OK . 5 Restart your computer so the changes you made take ef fect. Configuring 1 In the Network window Configuration tab, select y[...]

ZyXEL G-560 User’s Guide 106 Appendix A Setting up Your Computer’s IP Address Figure 77 Windows 95/98/Me: TCP/IP Properties: DNS Configuration 4 Click the Gateway tab. • If you do not kno w your gateway’ s IP address, remove previously installed gateways. • If you have a gateway IP address, type it in the New gateway field and click Add .[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 107 Figure 78 Windows XP : S tart Menu 2 In the Control Panel , double-click Network Connections ( Network and Dial-up Connections in W indow s 2000/NT). Figure 79 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr operties .[...]

ZyXEL G-560 User’s Guide 108 Appendix A Setting up Your Computer’s IP Address Figure 80 Windows XP: Control Panel: Network Connections: Properties 4 Select Internet Protocol (TCP/IP) (under the Genera l tab in W in XP) and then click Properties . Figure 81 Windows XP: Loca l Area Connection Properties 5 The Internet Pr otocol TCP/IP Properties [...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 109 • If you have a static IP address click Use the following IP Address and fill in the IP addr ess , Subnet mask , and Default gateway fields. • Click Advanced . Figure 82 Windows XP: Internet Protocol (TCP/IP) Properties 6 If you do not know your gateway's IP [...]

ZyXEL G-560 User’s Guide 110 Appendix A Setting up Your Computer’s IP Address Figure 83 Windows XP : Advanced TCP/ IP Properties 7 In the Internet Protocol TCP/IP Properties window (the General tab in Windows XP): • Click Obtain DNS server address automatically if you do not know your DNS server IP address(es ). • If you know your DNS serve[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 111 Figure 84 Windows XP: Internet Protocol (TCP/IP) Properties 8 Click OK to close the Internet Protocol (TCP/IP) Properties window . 9 Click Close ( OK in W ind ows 2000/NT) to close the Local Area Connection Properties window . 10 Close the Network Connections window ([...]

ZyXEL G-560 User’s Guide 112 Appendix A Setting up Your Computer’s IP Address Figure 85 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 86 Macintosh OS 8/9: TCP/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configur e: list.[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 113 4 For statically assigned settings, do the following: •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box. • T ype the IP address of your G-560 in the Router addr ess bo[...]

ZyXEL G-560 User’s Guide 114 Appendix A Setting up Your Computer’s IP Address Figure 88 Macintosh OS X: Network 4 For statically assigned settings, do the following: •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box. • T ype the IP address of yo[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 115 Note: Make sure you are logged in as the ro ot administrator . Using the K Desktop Environment (KDE) Follow the steps below to configure your computer IP address using the KDE. 1 Click the Red Hat button (located on the bottom left corner), select System Setting and c[...]

ZyXEL G-560 User’s Guide 116 Appendix A Setting up Your Computer’s IP Address • If you have a dyna mic IP address, click Automatically obtain IP address settings with and select dhcp from the drop down list. • If you have a static IP address, click S tatically set IP Addresses and fill in the Address , Subnet mask , and Default Gateway Addr[...]

ZyXEL G-560 User’s Guide Appendix A Setting up Your Computer’s IP Address 117 1 Assuming that you have only one network card on th e computer , locate the ifconfig- eth0 configuration file (where eth0 is the name of the Ethernet card). Open the configuration file with any plain text editor . • If you have a dynamic IP ad dress, enter dhcp in [...]

ZyXEL G-560 User’s Guide 118 Appendix A Setting up Your Computer’s IP Address Figure 96 Red Hat 9.0: Rest art Ethernet Card [root@localhost init.d]# net work restart Shutting down interface eth0 : [OK] Shutting down loopback inter face: [OK] Setting network parameters: [OK] Bringing up loopback interfa ce: [OK] Bringing up interface eth0: [OK] [...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 119 A PPENDIX B Wireless LANs Wireless LAN T opologies This section discusses ad-hoc and in frastructure w ireless LAN topologies. Ad-hoc Wireless LAN Configuration The simplest WLAN configuration is an inde pe ndent (Ad-hoc) WLAN that connects a set of computers with wireless stations (A, B, C). [...]

ZyXEL G-560 User’s Guide 120 Appendix B Wireless LANs Figure 99 Basic Service Set ESS An Extended Service Set (ESS) consists of a series of overlappi ng BSSs, each containing an access point, with each access point connected together by a wired network. This wired connection between APs is called a Distribution System (DS). This type of wireless [...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 121 Figure 100 Infrastructure WLAN Channel A channel is the radio frequency(ies) used by IEEE 802.1 1a/b/g wireless devices. Channels available depend on your g eographical area. Y ou may have a choice of channels (for your region) so you should use a di fferent ch annel th an an adjacent AP (acce[...]

ZyXEL G-560 User’s Guide 122 Appendix B Wireless LANs Figure 101 RTS / CT S When station A sends data to the AP , it might no t know that the station B is already using the channel. If these two stations se nd data at the same time, collis ions may occur when both sets of data arrive at the AP at the same time, r esulting in a loss of me ssages f[...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 123 A large Fragmentation Thr eshold is recommended for networks not prone to interference while you should set a smaller threshold for busy networks or networks tha t are prone to interference. If the Fragmentation Threshold value is smaller than the RT S/ C T S value (see previously) you set the[...]

ZyXEL G-560 User’s Guide 124 Appendix B Wireless LANs • Authentication Determines the identity of the users. • Authorization Determines the network services available to authenticated users once they are connected to the network. • Accounting Keeps track of the client’ s network activity . RADIUS is a simple package exchange in whic h you[...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 125 EAP Authentication EAP (Extensible Authentication Protocol) is an au thentication protocol that runs on top of the IEEE802.1x transport mech anism in order to support multiple types of user au thentication. By using EAP to interact with an EAP-compatib le RADIUS server , the acces s point help[...]

ZyXEL G-560 User’s Guide 126 Appendix B Wireless LANs However , MD5 authentication has some weakness es. Since the authenticat ion server needs to get the plaintext passwords, the passwords mu st be stored. Thus someone other than the authentication server may access the password file. In addition, it is possib le to impersonate an authentication[...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 127 WEP Authentication S teps Three different methods can be used to auth enticate wireless stations to the network: Open System , Shar ed Key , and Auto . The following figure illust rates the steps involved. Figure 103 WEP Authentication S teps Open system authentication in volves an unencrypted[...]

ZyXEL G-560 User’s Guide 128 Appendix B Wireless LANs Dynamic WEP Key Exchange The AP maps a unique ke y that is generated w ith the RADIUS server . This key expires when the wireless connection times out, disconnects or reauthentic ation times out. A new WEP key is generated each time r eauthentication is performed. If this feature is enabled, i[...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 129 TKIP uses 128-bit keys that are dy namically genera ted and distributed by the authe ntication server . It includes a per-packet key mixing function, a Message Inte grity Check (MIC) named Michael, an extended initialization vector (IV) with sequen cing rules, and a re-keying mechanism. TKIP r[...]

ZyXEL G-560 User’s Guide 130 Appendix B Wireless LANs If the roaming feature is not enabled on the access points, information is not communicated between the access points when a wireless st ation moves between coverage areas. The wireless station may not be able to communicate with other wireless stations on the network and vice versa. Figure 10[...]

ZyXEL G-560 User’s Guide Appendix B Wireless LANs 131 5 The access points must be connected to the Et hernet and be able to get IP addresses from a DHCP server if using dynamic IP address assignment.[...]

ZyXEL G-560 User’s Guide 132 Appendix B Wireless LANs[...]

ZyWALL 5/35/70 Series User’s Guide Appendix C IP Subnetting 133 A PPENDIX C IP Subnetting IP Addressing Routers “route” based on the network number . The router that delivers the data packet to the correct destination host uses the host ID. IP Classes An IP address is made up of four octets (ei ght bits), wri tten in dotted decimal notation, [...]

ZyWALL 5/35/70 Series User’s Guide 134 Appendix C IP Subnetting Since the first octet of a class “A” IP address must contain a “0”, the first octet of a class “A” address can have a value of 0 to 127. Similarly the first octet of a clas s “B” must begi n with “10”, therefore the first octet of a class “B” address has a val[...]

ZyWALL 5/35/70 Series User’s Guide Appendix C IP Subnetting 135 Since the mask is always a continuous number of ones begin ning from the left, fo llowed by a continuous number of zeros for the remainder of the 32 bit mask, you can simply specify the number of ones instead of writing the value of each octet. This is usually specified by writing a [...]

ZyWALL 5/35/70 Series User’s Guide 136 Appendix C IP Subnetting Note: In the following chart s, shaded/bolded last octet bit values indicate host ID bit s “borrowed” to form network ID bit s. The number of “borrowed” host ID bits determines the number of sub nets y ou can have. The remaining number of host ID bits (af ter “borrowing”)[...]

ZyWALL 5/35/70 Series User’s Guide Appendix C IP Subnetting 137 Example: Four Subnet s The above exampl e illustrated using a 25-bit subne t mask to divide a class “C” address space into two subnets. Similarly to divide a class “C” address into four subnets, you need to “borrow” two host ID bits to give four possible combinations of 0[...]

Table 41 Subnet 4 NETWORK NUMBER LAST OCTET BIT V ALUE IP Address 192.168.1. 192 IP Address (Binary) 1 1000000.10 101000.00000001. 11 00 0000 Subnet Mask (Binary) 11111111 . 11111111 . 11111111 . 11 000000 Subnet Address: 192.168.1.192 Lowest Host ID: 192.168.1.19 3 Broadcast Address: 192.168.1.255 Highest Host ID: 192.16 8.1.254 ZyWALL 5/35/70 Ser[...]

ZyWALL 5/35/70 Series User’s Guide Appendix C IP Subnetting 139 Subnetting With Class A and Class B Networks. For class “A” and class “B” addresses the subnet ma sk also determines which bits are part of the network number and which are part of the host ID. A class “B” address has two host ID octets ava ilable for subnetting and a cla[...]

ZyWALL 5/35/70 Series User’s Guide 140 Appendix C IP Subnetting[...]

ZyXEL G-560 User’s Guide Index 141 Index Numerics 11 0 V A C 6 230V AC 6 A Abnormal Working Conditions 7 AC 6 Accessories 6 Acts of God 7 Address Assignment 49 Ad-hoc 53 Advanced Encryption St andard 12 8 Airflow 6 Alternative Subnet Mask Notation 135 AP (access point) 121 Association List 47 Authentication 67 , 127 Authority 4 B Basement 6 Basic[...]

ZyXEL G-560 User’s Guide 142 Index Europe 6 Exposure 6 Extended Service Se t 54 , 120 Extensible Authentication Protoco l 72 F Failure 7 FCC 4 Compliance 4 Rules, Part 15 4 FCC Rules 4 Federal Communication s Commission 4 Finland, Contact Information 8 Fitness 7 Fragmentation Threshold 57 , 122 Fragmentation threshold 122 France, Contact Informat[...]

ZyXEL G-560 User’s Guide Index 143 Parts 7 Patent 3 Permission 3 Photocopying 3 Pipes 6 Pool 6 Postage Prepaid. 7 Power Cord 6 Priorities 57 Private IP Address 49 Product Model 8 Product Page 5 Product Serial Number 8 Products 7 Proof of Purchase 7 Proper Operating Condition 7 Purchase, Proof of 7 Purchaser 7 Q Qualified Service Personnel 6 R Rad[...]

ZyXEL G-560 User’s Guide 144 Index T T amperin g 7 T ele phone 8 T ele vision Interference 4 T ele vision Reception 4 T emporal Ke y Integrity Protocol (TKIP) 128 Thunderstorm 6 T r ademark 3 T rade mark Owners 3 T r ademarks 3 T ransla tion 3 TV T echnician 4 U Undesired Operations 4 User Authentication 72 , 128 V Va l u e 7 V endor 6 V entilati[...]