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ZyXEL G-570U manuel d'utilisation

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Tout d'abord, le manuel d’utilisation ZyXEL G-570U devrait contenir:
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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif ZyXEL G-570U, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    ZyXEL G-570U IEEE 802.1 1a/b/g Wireless Access Point / Bridge User ’ s Guide V ersion 1.0 0 Edition 1 07/2006[...]

  • Page 2

    [...]

  • Page 3

    ZyXEL G-570U User’s Guide Copyright 3 Copyright Copyright © 2006 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[...]

  • Page 4

    ZyXEL G-570U User’s Guide 4 Certifications Certifications Federal Communications Commissi on (FCC) Interference St atement The device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference rece ived, including interf[...]

  • Page 5

    ZyXEL G-570U User’s Guide Certifications 5 第十二條 經型式 認證合格之低功率射頻電機，非經 許可，公司、商號或使用 者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。 第十四條 低功率 射頻電機之使用不得影響飛航安全 及干擾合法通信；經發現 有干擾現?[...]

  • Page 6

    ZyXEL G-570U 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 use this product near water , for exam ple, in a wet basement or nea r a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids. • Do NOT store thin gs on the de[...]

  • Page 7

    ZyXEL G-570U User’s Guide Safety Warnings 7 This product is recyclable . Dispose of it properly .[...]

  • Page 8

    ZyXEL G-570U User’s Guide 8 ZyXEL Limited Warranty 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 ica[...]

  • Page 9

    ZyXEL G-570U User’s Guide Customer Support 9 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 it. METHOD LOCATION SUPPORT E-[...]

  • Page 10

    ZyXEL G-570U User’s Guide 10 Customer Suppo rt “+” is the (prefix) number you enter to make an international telephone call. NORWAY support@zyxel.no +47-22-80-61-80 www .zyxel.no ZyXEL Communications A/S Nils Hansens vei 13 0667 Oslo Norway sales@zyxel.no +47-22-80-61-81 POLAND info@pl.zyxel.com +48 (22) 333 8250 www .pl.zyxel.com ZyXEL Commu[...]

  • Page 11

    ZyXEL G-570U User’s Guide Table of Contents 11 T able of Content s Copyright .................................................. ................................................................ 3 Certifications ............................................ ................................................................ 4 Safety W arnings .........[...]

  • Page 12

    ZyXEL G-570U 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-570U Web Configurator ........... .........[...]

  • Page 13

    ZyXEL G-570U User’s Guide Table of Contents 13 6.3.4 AP+Repeater Mode .............. ............. ............. ................ ............. ............ 68 6.4 Wireless Security Overview ...................... ................ ............. ................ ............ 71 6.4.1 Encryption ........... ................ ............. ..........[...]

  • Page 14

    ZyXEL G-570U User’s Guide 14 Table of Contents 7.4.3 Back to Factory Defaults .. ............. ................ ............. ................ ............. ..97 7.5 F/W Upload S creen .. ................ ............. ................ ............. ............. ................ ..97 Chapter 8 T roubleshooting ...................................[...]

  • Page 15

    ZyXEL G-570U User’s Guide List of Figure s 15 List of Figures Figure 1 WDS Functionality Example ............. ....... ................ ............. ............. ................ ... 24 Figure 2 Internet Access Applic ation ..... ................. ............. ................ ............. ................ ... 26 Figure 3 Corporate Network Ap[...]

  • Page 16

    ZyXEL G-570U User’s Guide 16 List of Figures Figure 39 Bridge Loop: T wo Bridges Connected to Hub ................. ................. ............ ....... 66 Figure 40 Bridge Loop: Bridge Connected to Wired LAN ......................... ............. ............. 66 Figure 41 Wireless Settings: Bridge ................ ................ ..........[...]

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    ZyXEL G-570U User’s Guide List of Figure s 17 Figure 82 Windows 95/98/Me: TCP/IP Properties : IP Address ........... ............. ................ ... 1 17 Figure 83 Windows 95/98/Me: TCP/IP Properti es: DNS Configuration ........................... ... 1 18 Figure 84 Windows XP: S tart Menu ... ............. ............. ............. ........[...]

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    ZyXEL G-570U User’s Guide 18 List of Figures[...]

  • Page 19

    ZyXEL G-570U User’s Guide List of Tables 19 List of T ables T able 1 Front Panel LED Descript ion ....................... ............. ................ ................ ............. 29 T able 2 G-570U: Rear Panel ............. ............. ................ ................ ............. ................ ....... 30 T able 3 Factory Defaults ...[...]

  • Page 20

    ZyXEL G-570U User’s Guide 20 List of Tables T able 39 Classes of IP Addresses ....... ............. ................. ................ ................ ............. ... 146 T able 40 Allowed IP Address Range By Class .. ............. ................ ............. ............. .......... 146 T able 41 “Natural” Masks ......... .............[...]

  • Page 21

    ZyXEL G-570U User’s Guide Preface 21 Preface Congratulations on your purchase of the Zy XEL G-570U IEEE 802.1 1a/b/g W ireless Access Point / Bridge. Note: Register your product online to receive e-mail notice s of firmware upgrades and information at www .zyxel.com for global products, or a t www .us.zyxe l.com for North American products. An ac[...]

  • Page 22

    ZyXEL G-570U User’s Guide 22 Preface Graphics Icons Key G-570U Computer Notebook computer Server Modem Wireless Signal T elephon e Switch Router[...]

  • Page 23

    ZyXEL G-570U User’s Guide Chapter 1 Getting to Know Your G-570U 23 C HAPTER 1 Getting to Know Y our G-570U This chapter introduces the main feat ures an d applications of the G-570U. 1.1 Introducing the G-570U Wireless Access Point The ZyXEL G-570U is a 4-in-1 wireless Access Point. Access Point (AP), repeater, bridge and wireless client function[...]

  • Page 24

    ZyXEL G-570U User’s Guide 24 Chapter 1 Getting to Know Your G-570U Figure 1 WDS Functionality Example OTIST (One-T ouch Intellig ent Security T echnology) OTIST allows your G-570U to assign its SSI D and security settings (WEP or WP A-PSK) to the ZyXEL wireless adapters that support OT IST and are within transmission range. The ZyXEL wireless ada[...]

  • Page 25

    ZyXEL G-570U User’s Guide Chapter 1 Getting to Know Your G-570U 25 IEEE 802.1 1g is fully compatible with th e IEEE 802.1 1b standard. This means an IEEE 802.1 1b radio card can interface directly with an IEEE 802.1 1g access point (and vice versa) at 1 1 Mbps or lower de pending on range. Wi-Fi Protected Access W i-Fi Protected Access (WP A) is [...]

  • Page 26

    ZyXEL G-570U User’s Guide 26 Chapter 1 Getting to Know Your G-570U Wireless Association List W ith the wireless assoc iation list, you can see the list of the wireless stations that are currently using the G-570U to access your wired network. When the G-570U is in client mode, the wireless association list displays details of the access point to [...]

  • Page 27

    ZyXEL G-570U User’s Guide Chapter 1 Getting to Know Your G-570U 27 Figure 3 Corporate Ne twor k Application 1.3.3 Wireless Client Application The G-570U can func tion as a wireless client to connect to a network via an Access Point (AP). The AP provides access to th e wired network and the Intern et. Figure 4 Wireless Client Application 1.3.4 Bri[...]

  • Page 28

    ZyXEL G-570U User’s Guide 28 Chapter 1 Getting to Know Your G-570U Figure 5 Bridge Application A G-570U in bridge mode witho ut an Ethernet connection can fu nction as a repeater . It transmits traffic from one AP to another AP without using a wired connection. C in the following graphic repeats wireless traffic between A and B. Figure 6 Bridge R[...]

  • Page 29

    ZyXEL G-570U User’s Guide Chapter 1 Getting to Know Your G-570U 29 Figure 7 AP+Repeater Application 1.4 The LED Display Figure 8 Front Panel The following table describes the LEDs on the G-570U. Table 1 Front Panel LED Descri ption LED COLOR ST A T US DESCRIPTION PWR/ SYS Green Blinking The G-570U is not ready or reboo ting. On The G-570U has a s[...]

  • Page 30

    ZyXEL G-570U User’s Guide 30 Chapter 1 Getting to Know Your G-570U 1.5 The Rear Panel Figure 9 G-570U: Rear Panel The following table describes the rear panel of the G-570U. G Green On The G-570U has an active IEEE 802.1 1b/g wireless connection, but is not transmitting or receiving data. Off The G-570U does not have an active IEEE 802.1 1b/g wir[...]

  • Page 31

    ZyXEL G-570U User’s Guide Chapter 2 Management Comp uter Setup 31 C HAPTER 2 Management Computer Setup This chapter describes how to prepare your comp uter to access the G-570U web configurator . 2.1 Introduction Y ou can connect a computer to the G-570U for ma nagemen t purposes either u sing an Ethernet connection (recommended for a first tim e[...]

  • Page 32

    ZyXEL G-570U User’s Guide 32 Chapter 2 Management Comput er 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[...]

  • Page 33

    ZyXEL G-570U User’s Guide Chapter 2 Management Comp uter Setup 33 Figure 13 Local Area Connection Properties 5 Select Use the following IP Addr ess and fill in an IP address (between 192.16 8.1.3 and 192.168.1. 254). • T ype 255.255.255.0 as the Subnet mask . • Click Advan ced 1 . Figure 14 Internet Protocol Properties 6 Remove any previously[...]

  • Page 34

    ZyXEL G-570U User’s Guide 34 Chapter 2 Management Comput er Setup Figure 15 Advanced TCP/IP Settings 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 Dial-up Connections in W in[...]

  • Page 35

    ZyXEL G-570U User’s Guide Chapter 2 Management Comp uter Setup 35 Note: The wireless stations and G-570U must use the same SSID, channel and wireless security s ettings for wireless com m unication. If you do not enable any wireless security on your G-570U, your network traffic is visible to any wireless network ing device that is within range . [...]

  • Page 36

    ZyXEL G-570U User’s Guide 36 Chapter 2 Management Comput er Setup[...]

  • Page 37

    ZyXEL G-570U User’s Guide Chapter 3 Introducing the Web Configur ator 37 C HAPTER 3 Introducing the W eb Configurator This chapter describes how to conf igure the G-570U using the W izard. 3.1 W eb Configurator Overview The web configu rator is an HTML-based mana gement interface tha t allows easy G-570U setup and management via Internet browser [...]

  • Page 38

    ZyXEL G-570U User’s Guide 38 Chapter 3 Introducing the Web Configurator Figure 17 Web Configurator Ad dress 5 T ype "1234" (default) as the password and click Login . Figure 18 Login Screen 6 Select your language and click Apply . Figure 19 Language Scre en 7 The following screen displays. Select Go W izard Setup and click Apply to use [...]

  • Page 39

    ZyXEL G-570U User’s Guide Chapter 3 Introducing the Web Configur ator 39 Figure 20 Select Wizard or Adva nced Setup Scr een 3.3 Configuring the G-570U Using the Wizard The wizard cons ists of a series of screens to help you configure your G-570U for wireless stations to access your wired LAN. Use the following buttons to navigate the W izard: No [...]

  • Page 40

    ZyXEL G-570U User’s Guide 40 Chapter 3 Introducing the Web Configurator Figure 21 Wizard: Basic Settings 3.3.2 Wizard: Wireless Settings Use this wizard screen to set up the wireless L AN. See the chapter on the wireless screens for background informatio n. 1 The SSID is a unique name to identify the devi ce in a wireless network. Enter up to 32 [...]

  • Page 41

    ZyXEL G-570U User’s Guide Chapter 3 Introducing the Web Configur ator 41 Figure 22 Wizard: Wireless Settings 3.3.3 Wizard: Security Settings Use this screen to configure security for your wireless LAN. The screen varies depending on what you select in the Encryption Method field. Select Disable to have no wireless security configured, select WEP [...]

  • Page 42

    ZyXEL G-570U User’s Guide 42 Chapter 3 Introducing the Web Configurator Figure 23 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 , or 128-bit from the WEP Encryption drop-down list box. The higher the WEP encryption, the higher the security b[...]

  • Page 43

    ZyXEL G-570U User’s Guide Chapter 3 Introducing the Web Configur ator 43 Figure 24 Wizard 3: WEP 3.3.3.3 WP A(2)-PSK Select WP A-PSK or WP A2-PSK only if your wireless clients support it. T ype a pre-shared key from 8 to 63 ASCII characters (including spaces and symbols). This field is case-sensitive. Use Passphrase to automatically generate keys[...]

  • Page 44

    ZyXEL G-570U User’s Guide 44 Chapter 3 Introducing the Web Configurator Figure 25 Wizard 3: WP A(2)-PSK 3.3.4 Wizard: Confirm Y our Settings This read-only screen shows the status of the current settings. Use the summary table to check whether what you have confi gured is correct. Click Finish to complete the wizard configuration and save yo ur s[...]

  • Page 45

    ZyXEL G-570U User’s Guide Chapter 3 Introducing the Web Configur ator 45 Figure 26 Wizard: Confirm Y our Settings For more detailed background information, see the rest of this User's Guide. 3.4 Navigating the Advanced Screens The ST A TUS screen is the first advanced sc reen that displays. This section explains how to navigate the advanced [...]

  • Page 46

    ZyXEL G-570U User’s Guide 46 Chapter 3 Introducing the Web Configurator Figure 27 S tatus Screen The following table describes the global web conf igurator icons (in the upper right corner of most screens). 3.4.1 Navigation Panel After you enter the password, use the links on the navigation panel to go to the various advanced screens. Table 4 Glo[...]

  • Page 47

    ZyXEL G-570U User’s Guide Chapter 3 Introducing the Web Configur ator 47 The following table describes the sub-menus. Note: See the rest of this User's Guide for conf iguration details and background information on all G-570U features using the web configurator . Table 5 Screens Summary LINK TA B FUNCTION S tatus This screen shows the G- 570[...]

  • Page 48

    ZyXEL G-570U User’s Guide 48 Chapter 3 Introducing the Web Configurator[...]

  • Page 49

    ZyXEL G-570U User’s Guide Chapter 4 Status Screens 49 C HAPTER 4 S t atus Screens This chapter describes the Status screens. 4.1 System S t atus Click St a t u s to open the following screen. The S tatus screen display a snapshot of your device’ s settings. Y ou can also view network statistics and a list of wireless stations currently associat[...]

  • Page 50

    ZyXEL G-570U User’s Guide 50 Chapter 4 Status Screen s 4.1.1 St atistics Click V iew S tatistics in the St a t u s sc reen. This screen displa ys read-only information including port status and packet-specific statis tics. Also provided are "s ystem up time" and "poll interval(s)". The Poll Interval(s) field is configurable. M[...]

  • Page 51

    ZyXEL G-570U User’s Guide Chapter 4 Status Screens 51 Figure 29 S tatus: V iew S tatistics The following table describes the labels in this screen. Table 7 S tatus: V iew S tatistics LABEL DESCRIPTION Ethernet Packets This row displays the numbers of packe ts received and transmitted by the Ethernet port. Bytes This row displays the numbers of by[...]

  • Page 52

    ZyXEL G-570U User’s Guide 52 Chapter 4 Status Screen s 4.1.2 Association List Click St a t u s and then the V iew Associ ation List button to display the Association List screen. When the device is not in wireless c lient mode, this scree n displays which wireless stations are currently associated to the device in the Association List screen. Whe[...]

  • Page 53

    ZyXEL G-570U User’s Guide Chapter 5 Syst em Screen 53 C HAPTER 5 System Screen This chapter provides information on the System screen. 5.1 TCP/IP Parameters 5.1.1 IP Address Assignment Every computer on the Internet must have a unique IP address. If your networks are is olated from the Internet, for instance, only between your two branch of fices[...]

  • Page 54

    ZyXEL G-570U User’s Guide 54 Chapter 5 System Screen If the ISP did not expl icitly give you an IP ne twork number , then most likely you have a sin g le user account and the ISP will assign you a d ynamic IP address when the connection is established. The Internet Assigned Number Au thority (IANA) reserved this block of addresses specifically fo[...]

  • Page 55

    ZyXEL G-570U User’s Guide Chapter 5 Syst em Screen 55 Obtain IP Address Automatically Select this option to have your device use a dynamically assigned IP ad dress from a router each tim e. Use fixed IP address Select this option to have your device use a static IP address. When you select this option, fill in the fields below . IP Address Enter [...]

  • Page 56

    ZyXEL G-570U User’s Guide 56 Chapter 5 System Screen[...]

  • Page 57

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 57 C HAPTER 6 W ireless Screens This chapter discusses how to configure wirele ss settings and wireless security on your G- 570U. 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[...]

  • Page 58

    ZyXEL G-570U User’s Guide 58 Chapter 6 Wireless Scree n s Figure 33 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 (E[...]

  • Page 59

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 59 Figure 34 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 ge ographical area. Y ou may have a cho ice of channels [...]

  • Page 60

    ZyXEL G-570U User’s Guide 60 Chapter 6 Wireless Scree n s 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 [...]

  • Page 61

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 61 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 the wireless network before the G-570U will fragment the packet into smaller data frames. A large Fragmentation Thr eshold is recommended for networks[...]

  • Page 62

    ZyXEL G-570U User’s Guide 62 Chapter 6 Wireless Scree n s The following table describes the labels in this screen. Table 11 Wireless Settings: Access Point LABEL DESCRIPTION Operation Mode Select the op erating mode from the drop-d own list. The options are AP , Wireless Client , Bridge and AP+Repeater . SSID Wireless stations associating to the [...]

  • Page 63

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 63 6.3.2 Wireless Client Mode Select Wir eless Client in th e Operation Mode field to display the screen shown next. This mode has the device act as wireless clie nt to connec t to a wireless network. Note: WP A, WP A2 and IEEE 802.1x wireless security are not available when you use Wireless Cl[...]

  • Page 64

    ZyXEL G-570U User’s Guide 64 Chapter 6 Wireless Scree n s Figure 37 Wireless Settings: Wireless Client The following table describes the labels in this screen. Table 12 Wireless Settings: Wireless Client LABEL DESCRIPTION Operation Mode Select the op erating mode from the drop-d own list. The options are AP , Wireless Client , Bridge and AP+Repea[...]

  • Page 65

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 65 6.3.3 Bridge Mode The device can act as a wireless ne twork bridge and establish wireless links with other APs. Y ou need to know th e MAC address of the peer devi ce, which also must be in bridge mode. When two devices connect in Bridge mode, they form a WDS (W ireless Distribution System) [...]

  • Page 66

    ZyXEL G-570U User’s Guide 66 Chapter 6 Wireless Scree n s Figure 39 Bridge Loop: T wo Bridges Conn ected to Hub If your G-570U (in bridge mod e) is connecte d to a wired LAN while communicating with another wireless bridge that is also conn ected to the same wired LAN as shown next. Figure 40 Bridge Loop: Bridge Connected to Wired LAN T o prevent[...]

  • Page 67

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 67 Figure 41 Wireless Settings: Bridge The following table describes the labels in this screen. Table 13 Wireless Settings: Bridge LABEL DESCRIPTION Operation Mode Select the op erating mode from the drop-d own list. The options are AP , Wireless Client , Bridge and AP+Repeater . Note: If you a[...]

  • Page 68

    ZyXEL G-570U User’s Guide 68 Chapter 6 Wireless Scree n s 6.3.4 AP+Repeater Mode Select AP+Repeater as the Operation Mode to have the device act as an access point and a wireless bridge. Wireless Mo de Select 802.1 1a only to allow only IEEE 802.1 1a complian t WLAN devices to associate with the device. Select 802.1 1b only to allow only IEEE 802[...]

  • Page 69

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 69 Figure 42 Wireless Settings: AP+Repeater The following table describes the labels in this screen. Table 14 Wireless Settings: AP + Repeater LABEL DESCRIPTION Operation Mode Select the op erating mode from the drop-d own list. The options are AP , Wireless Client , Bridge and AP+Repeater . SS[...]

  • Page 70

    ZyXEL G-570U User’s Guide 70 Chapter 6 Wireless Scree n s Wireless Mo de Select 802.1 1a only to allow only IEEE 802.1 1a complian t WLAN devices to associate with the device. Select 802.1 1b only to allow only IEEE 802.1 1b compliant WLAN devices to associate with the device. Select 802.1 1g only to allow only IEEE 802.1 1g compliant WLAN device[...]

  • Page 71

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 71 6.4 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 p ossible wireless security levels on your G-5 70U. EAP (Extensible Authentication Protoc[...]

  • Page 72

    ZyXEL G-570U User’s Guide 72 Chapter 6 Wireless Scree n s See the appendix for informati on on protocol s used when a client authenticates with a RADIUS server via the G-570U. 6.4.3 Restricted Access The MAC Filter screen allows you to configure the AP to give exclusive access to devices ( Allow Association ) or exclude them from accessing the AP[...]

  • Page 73

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 73 Figure 43 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 wire less station to the network. In effect, open sy[...]

  • Page 74

    ZyXEL G-570U User’s Guide 74 Chapter 6 Wireless Scree n s 6.7 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 t[...]

  • Page 75

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 75 6.8 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 acc[...]

  • Page 76

    ZyXEL G-570U User’s Guide 76 Chapter 6 Wireless Scree n s T o use Dynamic WEP , enable and configure the RADIUS server and enable Dynamic WEP Key Exchange in the WIRELESS Security 802.1x screen. Ens ure 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 [...]

  • Page 77

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 77 6.10.2 User Authentication WP A or WP A2 applies IEEE 802.1x and Exte nsible Authentication Protocol (EAP) to authenticate wireless clients using an external RADIUS database. 6.1 1 WP A(2)-PSK Application Example A WP A(2)-PSK applica tion looks as follows. 1 First enter identical passwords [...]

  • Page 78

    ZyXEL G-570U User’s Guide 78 Chapter 6 Wireless Scree n s generate unique data en cryption keys to encr ypt every data packet that is wirelessly communicated between the AP and the wireless clients. Figure 46 WP A with R ADIUS Application Example 6.13 Security Parameters Summary Refer to this table to see what other secur ity parameters you shou [...]

  • Page 79

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 79 6.14 Configuring Wireless Security In order to configure and en able wireless security; click Wir eless > Security to display the Security screen. This screen varies according to the encryption method you select. 6.14.1 Wireless Security: Disable If you do not enable any wireless security[...]

  • Page 80

    ZyXEL G-570U User’s Guide 80 Chapter 6 Wireless Scree n s Figure 48 Wireless Securit y: WEP The following table describes the labels in this screen. 6.14.3 Wireless Security: WP A(2)-PSK Select WP A-PSK , WP A2-PSK or WP A-PSK & WP A2-PSK in the Encryption Method drop down list-box to display the screen displays as next. Table 18 Wireless Sec[...]

  • Page 81

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 81 Figure 49 Wireless Security: WP A(2)-PSK The following table describes the labels in this screen. 6.14.4 Wireless Security: WP A(2) WP A (W i-Fi Protecte d Access) is a subset of the IEEE 802.1 1i standard. WP A 2 (IEEE 802.1 1i) is a wireless security standard tha t defines stronger encryp [...]

  • Page 82

    ZyXEL G-570U User’s Guide 82 Chapter 6 Wireless Scree n s Figure 50 Wireless Securit y: WP A(2) The following table describes the labels in this screen. Table 20 Wireless Securit y: WP A(2) LABEL DESCRIPTION Encryption Method Select WP A , WP A2 or WP A & WP A2 to configure user authenti cation and improved data encryption. Note: WP A, WP A2 [...]

  • Page 83

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 83 6.14.5 Wireless Security: 802.1x The IEEE 802.1x standard outlines enhanced security methods for both the authentication of wireless stations and en cryption key managemen t. Note: Once you enable user auth entication, y ou need to specify an external RADIUS server on the device for authenti[...]

  • Page 84

    ZyXEL G-570U User’s Guide 84 Chapter 6 Wireless Scree n s The following table describes the labels in this screen. Table 21 Wireless Secu rity: 802. 1x LABEL DESCRIPTION Encryption Method Select 802.1X to configure auth entication of wir eless stations and encryption key management. Note: WP A, WP A2 and IEEE 802.1x wireless security are not avai[...]

  • Page 85

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 85 6.15 MAC Filter The MAC filter screen allows you to give exclusive access to up to 32 devices (Allow Association) or exclude up to 32 devices fro m accessing the device (Deny Association). Every Ethernet device has a unique MAC (Media Access Control) address. The MAC address is assigned at t[...]

  • Page 86

    ZyXEL G-570U User’s Guide 86 Chapter 6 Wireless Scree n s Figure 52 MAC Filter The following table describes the labels in this screen. Table 22 MAC Filter LABEL DESCRIPTION Active Select the check box to enable MAC ad dr ess filtering and define t he filter action for the list of MAC addresses in the MAC address filte r table. Select Allow the f[...]

  • Page 87

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 87 6.16 OTIST In a wireless network, the wireless clients mu st have the same SSID and security settings as the access point (AP) or wireless router (we wi ll refer to both as “AP” here) in order to associate with it. T raditionally th is meant that you ha d to configure the settings on the[...]

  • Page 88

    ZyXEL G-570U User’s Guide 88 Chapter 6 Wireless Scree n s The following table describes the labels in this screen. 6.16.1.2 Wireless Client Start the ZyXEL utility and click the Adapter tab. Select the OTIST check box, enter the same Setup Key as your AP’ s and click Save . Figure 54 Example Wireless Client OTIST Screen 6.16.1.3 G-570U in Wirel[...]

  • Page 89

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 89 6.16.1.3.1 Wireless Clien t Mode: OTIST Button If you use the OTIST button, the default (0123456 7) or previous sav e d (through the web configurator) Setup key is used. Double-click the OTIST button to automatically change th e G-570U to wireless client mode and start OTIST . 6.16.1.3.2 Wir[...]

  • Page 90

    ZyXEL G-570U User’s Guide 90 Chapter 6 Wireless Scree n s 2 This screen appears while OTIST settings ar e being transferred. It closes when the transfer is complete. Figure 58 OTIST in Progress (Client) • In the wireless client, you see this screen if i t can't find an OTIST -enabled AP (with the same Setup key ). Click OK to go back to th[...]

  • Page 91

    ZyXEL G-570U User’s Guide Chapter 6 Wireless Screens 91 Figure 60 S tart OTIST? 2 If an OTIST -enabled wireless client loses its wireless connection for more than ten seconds, it will search for an OTIST -enabled AP for up to one minute. (If you manually have the wireless client search for an OT IST -enabled AP , there is no timeout; click Cancel[...]

  • Page 92

    ZyXEL G-570U User’s Guide 92 Chapter 6 Wireless Scree n s[...]

  • Page 93

    ZyXEL G-570U User’s Guide Chapter 7 Ma nagement Screens 93 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- 570U configuration and change the web configurat or language. 7.2 Password T o change your dev[...]

  • Page 94

    ZyXEL G-570U User’s Guide 94 Chapter 7 Manag ement Scre ens 7.3 Logs Click Management > Logs to open the Lo gs screen. Y ou can view logs and alert messages in this scr een. Once the log table is full, old logs are deleted as new logs are created. Click a column heading to sort th e entries. A triangle indicates the direction of th e sort orde[...]

  • Page 95

    ZyXEL G-570U User’s Guide Chapter 7 Ma nagement Screens 95 7.4 Configuration File 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 have customized the device's settings, they can be saved ba[...]

  • Page 96

    ZyXEL G-570U User’s Guide 96 Chapter 7 Manag ement Scre ens Click Backup to save the device's current co nfiguration to your compute r . 7.4.2 Restore Configuration Restore configuration allows you to upload a new or previously saved configuration file from your computer to your device. Note: Do not turn of f the device while conf iguration [...]

  • Page 97

    ZyXEL G-570U User’s Guide Chapter 7 Ma nagement Screens 97 Figure 66 Configuration Uploa d Error 7.4.3 Back to Factory Default s Clicking the RESET button in this section clears all us er-entered configuration information and returns the device to its factory defaul ts. The following warning screen will appear . Figure 67 Reset W arning Message Y[...]

  • Page 98

    ZyXEL G-570U User’s Guide 98 Chapter 7 Manag ement Scre ens The following table describes the labels in this screen. Note: Do not turn of f the device while firmware upload is in progress! The following screen appears. W ait two minute s before logging into the de vice again. Figure 69 Firmware Upgr ading Scree n The device automatically restarts[...]

  • Page 99

    ZyXEL G-570U User’s Guide Chapter 8 Troubles hooting 99 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 t arting Up the G-570U 8.2 Problems with the Password Table 28 Trouble[...]

  • Page 100

    ZyXEL G-570U User’s Guide 100 Chapter 8 Troubleshooting 8.3 Problems with the WLAN Interface 8.4 Problems with the Ethernet Interface Table 30 Troubleshootin g the WLAN Interface PROBLEM CORRECTIVE ACTION I cannot access the G-570U from the WLAN. Make sure the wireless adapter on the wireless station is worki ng properly . Check that both the G-5[...]

  • Page 101

    ZyXEL G-570U User’s Guide Chapter 8 Troubles hooting 101 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-up windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default). Note: Internet Explorer 6 screens are used here[...]

  • Page 102

    ZyXEL G-570U User’s Guide 102 Chapter 8 Troubleshooting 8.4.1.1.1 Disable pop-up Blockers 1 In Internet Explorer , select To o l s , Pop-up Blocker and then select T urn Off Pop-up Blocker . Figure 72 Pop-up Blocker Y ou can also check if pop-u p blocking is disabled in the Pop-up Blocker section in the Privacy tab. 1 In Internet Explorer , selec[...]

  • Page 103

    ZyXEL G-570U User’s Guide Chapter 8 Troubles hooting 103 8.4.1.1.2 Enable pop-up Blockers with Excep tions Alternatively , if you only want to allow pop-up windows from your device, see the follo wing steps. 1 In Internet Explorer , select To o l s , Inte rnet Options and then the Privacy tab. 2 Select Settings… to open the Pop-up Blocker Setti[...]

  • Page 104

    ZyXEL G-570U User’s Guide 104 Chapter 8 Troubleshooting Figure 75 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 configura tor do not display properly in Internet Explorer, check that JavaScripts are allowed. 1 In Internet Explorer , click T ools [...]

  • Page 105

    ZyXEL G-570U User’s Guide Chapter 8 Troubles hooting 105 Figure 76 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 .[...]

  • Page 106

    ZyXEL G-570U User’s Guide 106 Chapter 8 Troubleshooting Figure 77 Security Setting s - Java S cripting 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 selec[...]

  • Page 107

    ZyXEL G-570U User’s Guide Chapter 8 Troubles hooting 107 Figure 78 Security Setting s - 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 .[...]

  • Page 108

    ZyXEL G-570U User’s Guide 108 Chapter 8 Troubleshooting Figure 79 Java (S un) 8.5 T esting the Connection to the G-570U 1 Click St a r t , (All) Programs , Accessories and then Command Pr ompt . 2 In the Command Pr ompt window , type “ping” followed by a s pace and the IP address of the G-570U (192.168.1.2 is the default). 3 Press ENTER . The[...]

  • Page 109

    ZyXEL G-570U User’s Guide Appendix A Product Specifications 109 A PPENDIX A Product S pecifications See also the introduction chapter for a general overview of the key features. S pecification T a bles Table 32 Device Specifications Default IP Address 192.168.1.2 Default Subnet Mask 255.255.255.0 (24 bits) Default Password 1234 Dimensions 1 12 mm[...]

  • Page 110

    ZyXEL G-570U User’s Guide 110 Appendix A Product Specifications Operating Modes Access Point Client Bridge Access Point and Repeater Wireless Links Up to fo ur bridge links. T wo or more repeater links are supporte d. It is sugg ested that you only use up to three repeater links. Management Embedded W eb Configurator Command-line interface T elne[...]

  • Page 111

    ZyXEL G-570U User’s Guide Appendix A Product Specifications 111 Approvals Security Wired Equivalent Pr ivacy (WEP) data encryption Dynamic WEP key exchange WiFi Protected Access (WP A) IEEE 802.1x RF frequency range 2.412~2. 462GHz: North America 2.412MHz~2.472 GHz: Japan 2.412-2.472 GHz: Europe ETSI 5.15 - 5.25 GHz 5.25 - 5.35 GHz 5.470 - 5.725 [...]

  • Page 112

    ZyXEL G-570U User’s Guide 112 Appendix A Product Specifications Power Adapter S p ecifications ELECTROST ATIC DISCHARGE EN61000-4-2 RADIO-FREQUENCY ELECTROMAGNETIC FIELD EN61000-4-3 EFT/BURST EN61000-4-4 SURGE EN61000-4-5 CONDUCTED SUSCEPTIBILITY EN61000-4-6 POWER MAGNETIC EN61000-4-8 V OLTAGE DIP S/ INTERRUPTION EN61000-4-1 1 EM FIELD FROM DIGIT[...]

  • Page 113

    ZyXEL G-570U User’s Guide Appendix A Product Specifications 113 AC Power Adapter Model AD-121A Input Power 120 V olts AC 60 Hz Output Power 12 V olts DC ±5%, 1 Amp Power Consumption 12 W atts Safety S tandards UL UK PLUG ST ANDARDS AC Power Adapter Model AD-121AD Input Power 240 V olts AC 50Hz Output Pow er 12 V olts DC ±5% 1 Amp Power Consumpt[...]

  • Page 114

    ZyXEL G-570U User’s Guide 114 Appendix A Product Specifications[...]

  • Page 115

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 115 A PPENDIX B 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 a ll versions of UNIX/LINUX include the software c[...]

  • Page 116

    ZyXEL G-570U User’s Guide 116 Appendix B Setting up Your Computer’s IP Address Figure 81 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 [...]

  • Page 117

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 117 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[...]

  • Page 118

    ZyXEL G-570U User’s Guide 118 Appendix B Setting up Your Computer’s IP Address Figure 83 Windows 95/98/Me: TCP/IP Properties: DNS Configuration 4 Click the Gateway tab. • If you do not know 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 .[...]

  • Page 119

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 119 Figure 84 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 85 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr operties .[...]

  • Page 120

    ZyXEL G-570U User’s Guide 120 Appendix B Setting up Your Computer’s IP Address Figure 86 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 87 Windows XP: Loca l Area Connection Prop erties 5 The Internet Pr otocol TCP/IP Propertie[...]

  • Page 121

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 121 • 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 88 Windows XP: Internet Protocol (TCP/IP) Prope rties 6 If you do not know your gateway's [...]

  • Page 122

    ZyXEL G-570U User’s Guide 122 Appendix B Setting up Your Computer’s IP Address Figure 89 Windows XP : Advanced TC P/IP Properti es 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 addre ss(es). • If you know your DNS ser[...]

  • Page 123

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 123 Figure 90 Windows XP: Internet Protocol (TCP/IP) Prope rties 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 windo[...]

  • Page 124

    ZyXEL G-570U User’s Guide 124 Appendix B Setting up Your Computer’s IP Address Figure 91 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 92 Macintosh OS 8/9: TCP/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configur e: list. 4 For statically assigned settings, do the followi[...]

  • Page 125

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 125 •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subne t mask in the Subnet mask box. • T ype the IP a ddress of your G-570U in the Router address bo x. 5 Close the TCP/IP Contr ol Panel . 6 Click Sa[...]

  • Page 126

    ZyXEL G-570U User’s Guide 126 Appendix B Setting up Your Computer’s IP Address Figure 94 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 subne t mask in the Subnet mask box. • T ype the IP a ddress of[...]

  • Page 127

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 127 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[...]

  • Page 128

    ZyXEL G-570U User’s Guide 128 Appendix B Setting up Your Computer’s IP Address • If you have a static IP address, click S tatically set IP Addresses and fill in the Address , Subnet mask , and Default Gateway Address fields. 3 Click OK to save the chan ges and close the Ethernet Device General screen. 4 If you know your DNS server IP address([...]

  • Page 129

    ZyXEL G-570U User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 129 • If you have a dynamic IP address, enter dhcp in the BOOTPROTO= field. The followi ng figure shows an ex ample. Figure 99 Red Hat 9.0: Dynamic IP Address Setting in ifconfig-eth0 • If you have a static IP address, enter static in the BOOTPROTO= field. T ype IPA[...]

  • Page 130

    ZyXEL G-570U User’s Guide 130 Appendix B Setting up Your Computer’s IP Address Figure 102 Red Hat 9.0: Restart Eth ernet Card V erifying Settings Enter ifconfig in a terminal screen to ch eck your TCP/IP properties. Figure 103 Red Hat 9.0: Checking TCP/IP Properties [root@localhost init.d]# network res tart Shutting down interface eth0: [OK] Sh[...]

  • Page 131

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 131 A PPENDIX C 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)[...]

  • Page 132

    ZyXEL G-570U User’s Guide 132 Appendix C Wireless LANs Figure 105 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 wireles[...]

  • Page 133

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 133 Figure 106 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 ge ographical area. Y ou may have a choice of channels (for your region) so you should use a dif ferent channel th an an adjacent AP (acc[...]

  • Page 134

    ZyXEL G-570U User’s Guide 134 Appendix C Wireless LANs Figure 107 RTS /C T 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 [...]

  • Page 135

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 135 A large Fragmentation Thr eshold is recommended for networks not prone to interference while you should set a smaller thresh old for busy networks or ne tworks that are prone to interference. If the Fragmentation Threshold value is smaller than the RT S/ CT S value (see previously) you set t[...]

  • Page 136

    ZyXEL G-570U User’s Guide 136 Appendix C 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 yo[...]

  • Page 137

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 137 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 he[...]

  • Page 138

    ZyXEL G-570U User’s Guide 138 Appendix C 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 authenticatio[...]

  • Page 139

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 139 WEP Authentication S t ep s 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 109 WEP Authentication S tep s Open system authentication in volves an unencr[...]

  • Page 140

    ZyXEL G-570U User’s Guide 140 Appendix C 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, [...]

  • Page 141

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 141 TKIP uses 128-bit keys that are dyna mically 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[...]

  • Page 142

    ZyXEL G-570U User’s Guide 142 Appendix C 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 are as. The wireless station may not be able to communicate with other wireless stations on the network and vice versa. Figure [...]

  • Page 143

    ZyXEL G-570U User’s Guide Appendix C Wir eless LANs 143 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.[...]

  • Page 144

    ZyXEL G-570U User’s Guide 144 Appendix C Wireless LANs[...]

  • Page 145

    ZyXEL G-570U User’s Guide Appendix D IP Subnetting 145 A PPENDIX D IP Subnetting This appendix introduces IP addresses, IP address classes and subnet masks. Y ou use subnet masks to subdivid e a network in to smaller logical networks. Introduction to IP Addresses An IP address has two parts: the network numb er and the host ID. Routers use the ne[...]

  • Page 146

    ZyXEL G-570U User’s Guide 146 Appendix D IP Subne tting The following table shows the network number and host ID arrangement for classes A, B and C. An IP address with host IDs of all zeros is the IP address of the n etwork (192.168. 1.0 for example). An IP address with host IDs of all ones is the broadcast address for that network (192.168.1.255[...]

  • Page 147

    ZyXEL G-570U User’s Guide Appendix D IP Subnetting 147 Subnet Masks A subnet mask is used to dete rmine which bits are part of th e network number , and which bits are part of the host ID (using a logical AND operation). A subnet mask has 32 bits. If a b it in the subnet mask is a “1” then the correspondi ng bit in the IP address is part of t[...]

  • Page 148

    ZyXEL G-570U User’s Guide 148 Appendix D IP Subne tting The first mask shown is the class “C” natural m ask. Normally if no mask is specified it is understood that the natura l mask is being used. Example: T wo Subnet s As an example, you have a class “C” address 1 92.168.1.0 wi th subnet mask of 255.255.255 .0. The first three octets of [...]

  • Page 149

    ZyXEL G-570U User’s Guide Appendix D IP Subnetting 149 Host IDs of all zeros represent the subnet itsel f and host IDs of all ones are the broadcast address for that subnet, so the actual number of hosts available on each subnet in the example above is 2 7 – 2 or 126 h osts for each subnet. 192.168.1.0 with mask 255.255.255.128 is the subnet it[...]

  • Page 150

    ZyXEL G-570U User’s Guide 150 Appendix D IP Subne tting Example Eight Subnet s Similarly use a 27-bit mask to create eight subnets (000, 001, 0 10, 01 1, 100, 101, 1 10 and 111 ) . Subnet Address: 192.1 68.1.0 Lowest Host ID: 192.1 68.1.1 Broadcast Address: 192.168.1.63 Highest Host ID: 192.168.1.62 Table 47 Subnet 2 IP/SUBNET MASK NETWORK NUMBER[...]

  • Page 151

    ZyXEL G-570U User’s Guide Appendix D IP Subnetting 151 The following table shows class C IP ad dress last octet values for each subnet. The following table is a summary for class “C” subnet planning. 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[...]

  • Page 152

    ZyXEL G-570U User’s Guide 152 Appendix D IP Subne tting The following table is a summary for class “B” subnet planning. Table 52 Class B Subnet Planning NO. “BORROWED” HOST BIT S SUBNET MASK NO. SUBNETS NO. HOST S PER SUBNET 1 255.255.128.0 (/17) 2 32766 2 255.255.192.0 (/18) 4 16382 3 255.255.224.0 (/19) 8 8190 4 255.255.240.0 (/20) 16 4[...]

  • Page 153

    ZyXEL G-570U User’s Guide Appendix E Open Softwar e Announcements 153 Appendix E Open Sof tware Announcement s Notice Information herein is subject to change withou t notice. Companies, name s, and data used in examples herein are fictitious unless otherwise noted. No part may be reproduced or transmitted in any form or by any means, electronic o[...]

  • Page 154

    ZyXEL G-570U User’s Guide 154 Appendix E Open Software Announcements on the modified code, either by including the sources along w ith the binaries you deliver (or with any device containing such binaries) or w ith a written of fer to supply the source code to the general public for three years. It is perhaps most practical for eCos developers to[...]

  • Page 155

    ZyXEL G-570U User’s Guide Appendix E Open Softwar e Announcements 155 T o protect your rights, we need to make restrictio ns that forbid anyo ne to deny you these rights or to ask you to surrender the rights. These re strictions translate to certain responsibilities for you if you distribute copies of the software, or if y ou modify it. For examp[...]

  • Page 156

    ZyXEL G-570U User’s Guide 156 Appendix E Open Software Announcements b) Y ou must cause any work that you distribute or publ ish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program norm ally re[...]

  • Page 157

    ZyXEL G-570U User’s Guide Appendix E Open Softwar e Announcements 157 the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the sour ce code, even thou gh third parties are not co[...]

  • Page 158

    ZyXEL G-570U User’s Guide 158 Appendix E Open Software Announcements 9. The Free Software Foundation may publish revised and/or ne w versions of the General Public License from time to time. Such new vers ions will be similar in spirit to the present version, but may differ in detail to address new problems or c oncerns. Each version is given a d[...]

  • Page 159

    ZyXEL G-570U User’s Guide Index 159 Index A Access Point see AP Address Assignment 53 Ad-hoc 57 Advanced Encryption St andard see AES AES 140 Alternative subnet mask notation 147 Antenna 111 antenna 30 AP 23 , 26 , 133 AP + Repeater mode 28 Applications 26 Approvals 111 Association 26 Association List 52 Authentication 25 , 72 , 139 Auto MDI/MDI-[...]

  • Page 160

    ZyXEL G-570U User’s Guide 160 Index E EAP 25 , 71 , 75 , 77 Authentication 137 Encryption 25 , 76 , 140 ESS 58 , 132 ESSID 58 Ethernet 24 , 30 , 31 Cables 24 Ports 109 European Plug S tandards 11 2 Extended Service Se t see ESS Extended Service Se t Identification see ESSID Extensible Authentication Protoco l see EAP F Fast Ethernet 24 FCC interf[...]

  • Page 161

    ZyXEL G-570U User’s Guide Index 161 North American Plug S tandards 11 2 O One-T ouch Intelli gent Security T echno logy see OTIST Open System 73 Operating Modes 11 0 Operation Humidity 109 Operation T emperature 109 OTIST 24 , 30 Output Power 111 P Packet T racing 25 Pairwise Master Key see PMK Password 24 , 109 Ping 108 Plug S tandard s 11 2 PMK[...]

  • Page 162

    ZyXEL G-570U User’s Guide 162 Index T TCP/IP 31 T emperature 109 T emporal Key Integrity Protocol see TKIP T esting 108 TKIP 140 T ools, Diag nostic 11 0 Tr a c i ng 25 T r ademarks 3 T roub leshooting 99 Ethernet Interface 100 Password 99 St a r t u p 99 WLAN 100 U UK Plug S tandards 11 3 User Authentication 25 , 77 , 140 W W arranty 8 Note 8 WD[...]