Instruction/ maintenance manual of the product G-570S ZyXEL
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ZyXEL G-570S 802.1 1g Wireless Access Point User ’ s Guide V ersion 1.00 1 1/2005.
ZyXEL G-570S User’s Guide 2 Copyright 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.
ZyXEL G-570S User’s Guide Interferen ce Stateme nts and C ertification s 3 Interference S t atement s and Certifications Federal Communications Commissi on (FCC) Interference St 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.
ZyXEL G-570S User’s Guide 4 Interference Statemen ts and Certifications 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 Zy XEL home page to go to that product's page.
ZyXEL G-570S User’s Guide Safety Warnings 5 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.
ZyXEL G-570S User’s Guide 6 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 .
ZyXEL G-570S User’s Guide Customer Support 7 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.
ZyXEL G-570S User’s Guide 8 Customer Suppo rt POLAND info@pl.zyxel.com +48-22-5286603 www .pl.zyxel.com ZyXEL Communications ul.Emilli Plater 53 00-1 13 W arszawa Poland +48-22-5206701 RUSSIA http://zyxel.ru/support +7-095-542- 89-29 www .zyxel.ru ZyXEL Russia Ostrovityanova 37a S tr .
ZyXEL G-570S User’s Guide Table of Contents 9 T able of Content s Copyright .................................................. ................................................................ 2 Interference S tatement s and Certifications ..........
ZyXEL G-570S User’s Guide 10 Table of Contents Chapter 3 Introducing the W eb Configurator ........................................................................ 35 3.1 Web Configurator Overview ...................... ............. ...............
ZyXEL G-570S User’s Guide Table of Contents 11 6.8 EAP Authentication Overvi ew ................ ................................................ ............77 6.9 Dynamic WEP Key Exchange ... ............. ................ ............. ..........
ZyXEL G-570S User’s Guide 12 Table of Contents IP Subnetting ....................... ..................................................... ............................ 151 Index ............................................... .......................
ZyXEL G-570S User’s Guide List of Figure s 13 List of Figures Figure 1 WDS Functionality Example ............. ....... ................ ............. ............. ................ ... 22 Figure 2 Internet Access Applic ation ..... .................
ZyXEL G-570S User’s Guide 14 List of Figures Figure 39 Bridge Loop: T w o Bridges Connected to Hub .............. ................ ............. .......... 67 Figure 40 Bridge Loop: Bridge Connected to Wired LAN ......................... ...........
ZyXEL G-570S User’s Guide List of Figure s 15 Figure 82 Windows 95/98/Me: TCP/IP Properti es: DNS Configuration ........................... ... 124 Figure 83 Windows XP: S tart Menu ................ ................ ............. ............. .....
ZyXEL G-570S User’s Guide 16 List of Figures.
ZyXEL G-570S User’s Guide List of Tables 17 List of T ables T able 1 Front Panel LED Description ............. ................ ................ ................. ............ ....... 27 T able 2 Factory Defaults ................ ................ ..
ZyXEL G-570S User’s Guide 18 List of Tables T able 39 Classes of IP A ddresses . ................ ................ ................ ................. ............ ....... 151 T able 40 Allowed IP Address Range By Class ............ ............. ...
ZyXEL G-570S User’s Guide Preface 19 Preface Congratulations on your p urchase from the ZyXEL G-570S 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 a t www .
ZyXEL G-570S User’s Guide 20 Preface Graphics Icons Key G-570S Computer Notebook computer Server Modem Wireless Signal T ele phone Switch Router.
ZyXEL G-570S User’s Guide Chapter 1 Getting to Know Your G-570S 21 C HAPTER 1 Getting to Know Y our G-570S This chapter introduces the main feat ures an d applications of the G-570S. 1.1 Introducing the G-570S Wireless Access Point The ZyXEL G-570S is a 4-in-1 Access Point w ith S uper G and T u rbo G wireless technology .
ZyXEL G-570S User’s Guide 22 Chapter 1 Getting to Know Your G-570S Figure 1 WDS Functionality Example OTIST (One-T ouch Intellig ent Security T echnology) OTIST allows your G-570S to assign its SS ID and security settings (WEP or WP A-PSK) to the ZyXEL wireless adapters that support OT IST and are within transmission range.
ZyXEL G-570S User’s Guide Chapter 1 Getting to Know Your G-570S 23 WP A2 WP A 2 (IEEE 802.11 i) is a wireless security st andard that defines stronger encryption, authentication and key management than WP A. SSL Passthrough The G-570S allows SSL connec tions to go through the G-570S.
ZyXEL G-570S User’s Guide 24 Chapter 1 Getting to Know Your G-570S Output Power Management Output Power Management is the ability to set the level of output power . There may be interference or difficulty with ch annel a ssignment when there is a high density of APs within a coverage area.
ZyXEL G-570S User’s Guide Chapter 1 Getting to Know Your G-570S 25 The following figure depicts a typical application of the G-570S in an enterprise environment. The three computers with wireless adapters are allowed to access the network resource through the G-570S after account validatio n by th e network au thentication server .
ZyXEL G-570S User’s Guide 26 Chapter 1 Getting to Know Your G-570S 1.3.4 Bridge / Repeater The G-570S can act as a wireless network bridge and establish wireless links with other APs. The G-570Ss in the followin g example are using br idge mode with a star configuration.
ZyXEL G-570S User’s Guide Chapter 1 Getting to Know Your G-570S 27 1.3.5 Access Point and Repeater Set the G-570S to AP+Repeater mode to have it simultaneously provide access for wireless clients and use the repeater function. This allows you to extend the coverage of your wireless network without installing Ethernet cable to connect the G-57 0S.
ZyXEL G-570S User’s Guide 28 Chapter 1 Getting to Know Your G-570S ETHN Green Blinking The G-570S is sending/receiving data. On The G-570S has a successful 10Mbps Ethernet connection. Amber Blinking The G-570S is sending/receiving data. On The G-570S has a successful 100Mbps Ethernet connection.
ZyXEL G-570S User’s Guide Chapter 2 Management Comp uter Setup 29 C HAPTER 2 Management Computer Setup This chapter describes how to prepare your comp uter to access the G-570S web config urator .
ZyXEL G-570S User’s Guide 30 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.
ZyXEL G-570S User’s Guide Chapter 2 Management Comp uter Setup 31 Figure 12 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 .
ZyXEL G-570S User’s Guide 32 Chapter 2 Management Comput er Setup Figure 14 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 .
ZyXEL G-570S User’s Guide Chapter 2 Management Comp uter Setup 33 Note: The wireless stations and G-570S must use the same SSID, channel and wireless security s ettings for wireless com munication. If you do not enable an y wireless security on your G-570S, your network traf fic is visible to any wireless network ing device that is within range .
ZyXEL G-570S User’s Guide 34 Chapter 2 Management Comput er Setup.
ZyXEL G-570S User’s Guide Chapter 3 Introducing the Web Configur ator 35 C HAPTER 3 Introducing the W eb Configurator This chapter describes how to config ure the G-570S us ing the W izard .
ZyXEL G-570S User’s Guide 36 Chapter 3 Introducing the Web Configurator Figure 16 Web Configurator Ad dress 5 T ype "1234" (default) as the password and click Login . Figure 17 Login Screen 6 Select your language and click Apply . Figure 18 Language Scre en 7 The following screen displays.
ZyXEL G-570S User’s Guide Chapter 3 Introducing the Web Configur ator 37 Figure 19 Select Wizard or Adva nced Setup Scr een 3.3 Configuring the G-570S Using the Wizard The wizard cons ists of a series of screens to help you configure you r G-570S for wireless stations to access your wired LAN.
ZyXEL G-570S User’s Guide 38 Chapter 3 Introducing the Web Configurator Figure 20 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.
ZyXEL G-570S User’s Guide Chapter 3 Introducing the Web Configur ator 39 Figure 21 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.
ZyXEL G-570S User’s Guide 40 Chapter 3 Introducing the Web Configurator Figure 22 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.
ZyXEL G-570S User’s Guide Chapter 3 Introducing the Web Configur ator 41 Figure 23 Wizard 3: WEP 3.3.3.3 WP A(2)-PSK Only select WP A-PSK or WP A2-P SK if your wireless clients support it. T ype a pre-shared key from 8 to 63 ASCII characters (including spaces and symbols).
ZyXEL G-570S User’s Guide 42 Chapter 3 Introducing the Web Configurator Figure 24 Wizard 3: WP A(2)-PSK 3.3.4 Wizard: Confirm Y our Setting s 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.
ZyXEL G-570S User’s Guide Chapter 3 Introducing the Web Configur ator 43 Figure 25 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 screen that displays.
ZyXEL G-570S User’s Guide 44 Chapter 3 Introducing the Web Configurator Figure 26 S tatus Screen The following table describes the global web conf igurator icons (in the upper left 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.
ZyXEL G-570S User’s Guide Chapter 3 Introducing the Web Configur ator 45 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-570S features using the web configurator .
ZyXEL G-570S User’s Guide 46 Chapter 3 Introducing the Web Configurator.
ZyXEL G-570S User’s Guide Chapter 4 Status Screens 47 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.
ZyXEL G-570S User’s Guide 48 Chapter 4 Status Screen s 4.1.1 St atistics Click V iew S tatistics in the ST A TUS screen. This screen displays read-only information including port status and packet specific statis tics. Also provided are "system up time" and "poll interval(s)".
ZyXEL G-570S User’s Guide Chapter 4 Status Screens 49 Figure 28 S tatus: V iew S tatistics The following table describes the labels in this screen. Table 6 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.
ZyXEL G-570S User’s Guide 50 Chapter 4 Status Screen s 4.1.2 Association List Click ST A TUS and then the V iew Association 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 associ ated to the device in the Association List screen.
ZyXEL G-570S User’s Guide Chapter 4 Status Screens 51 The following table describes the labels in this screen. Table 8 S tatus: V iew Association List: Wireless Client Mode LABEL DESCRIPTION SSID This field displays the SSID (Service Set ID entifier) of each wireless device that the device detected.
ZyXEL G-570S User’s Guide 52 Chapter 4 Status Screen s.
ZyXEL G-570S 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.
ZyXEL G-570S User’s Guide 54 Chapter 5 System Screen If the ISP did not expl icitly give you an IP network n u mber , then most likely you have a sin gle user account and the ISP will assign you a d ynamic IP address when the connection is established.
ZyXEL G-570S User’s Guide Chapter 5 Syst em Screen 55 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 the IP address of your device in dotted decima l notation.
ZyXEL G-570S User’s Guide 56 Chapter 5 System Screen.
ZyXEL G-570S 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- 570S. 6.1 Wireless LAN Overview This section introduces the wireless LAN (WLAN) and some basic scenarios.
ZyXEL G-570S 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.
ZyXEL G-570S 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.
ZyXEL G-570S 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 .
ZyXEL G-570S 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-570 S will fragment the packet into smaller data frames.
ZyXEL G-570S User’s Guide 62 Chapter 6 Wireless Scree n s Figure 36 Wireless Settings: Access Point The following table describes the labels in this screen. Table 11 Wireless Settings: Access Point LABEL DESCRIPTION Operation Mode Select the operating mode fro m t he drop-down list.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 63 Wireless Mo de 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 devices to associate with the device.
ZyXEL G-570S User’s Guide 64 Chapter 6 Wireless Scree n s 6.3.2 Wireless Client Mode Select W ireless Client in the Operation Mode field to display the screen as shown next. This mode has the device act as wireless clie nt to connect to a wireless network.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 65 The following table describes the labels in this screen. Table 12 Wireless Settings: Wireless Client LABEL DESCRIPTION Operation Mode Select the operating mode fro m t he drop-down list. The option s are Access Point , Wireless Client , Bridge and AP+Repeater .
ZyXEL G-570S User’s Guide 66 Chapter 6 Wireless Scree n s 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 the M AC address of the peer device, wh ich also must be in bridge mode.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 67 Be careful to avoid bridge loops when you enab le bridging in the G-57 0S. Bridge loops cau se broadcast traffic to circle the network endlessl y , resulting in possible throughput degradation and disruption of communication s.
ZyXEL G-570S User’s Guide 68 Chapter 6 Wireless Scree n s Select Bridge as the Operation M ode to have the device act as a wireless bridge only . Figure 41 Wireless Settings: Bridge The following table describes the labels in this screen.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 69 Table 13 Wireless Settings: Bridge LABEL DESCRIPTION Operation Mode Select the operating mode fro m t he drop-down list. The option s are Access Point , Wireless Client , Bridge and AP+Repeater .
ZyXEL G-570S User’s Guide 70 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. Output Power Management Set the output power of the device in thi s field.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 71 Figure 42 Wireless Settings: AP+Repeater.
ZyXEL G-570S User’s Guide 72 Chapter 6 Wireless Scree n s The following table describes the labels in this screen. Table 14 Wireless Settings: AP + Repeater LABEL DESCRIPTION Operation Mode Select the operating mode fro m t he drop-down list. The option s are Access Point , Wireless Client , Bridge and AP+Repeater .
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 73 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. Output Power Management Set the output power of the device in thi s field.
ZyXEL G-570S User’s Guide 74 Chapter 6 Wireless Scree n s The figure below shows the p ossible wireless security levels on your G-570 S. EAP (Extensible Authentication Protocol) is used for authentication and u tilizes dynamic WEP key exchange.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 75 6.4.4 Hide G-570S Identity If you hide the ESSID, then the G-570S cannot be seen when a wireless client scans for local APs. The trade-off for the extra sec urity of “h iding” the G-570S may be inconvenience for some valid WLAN clients.
ZyXEL G-570S User’s Guide 76 Chapter 6 Wireless Scree n s 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.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 77 • Access-Request Sent by an access point, requesting authentication. • Access-Reject Sent by a RADIUS server rejecting access. • Access-Accept Sent by a RADIUS server allowing access. • Access-Challenge Sent by a RADIUS server requesting more information in order to allow access.
ZyXEL G-570S User’s Guide 78 Chapter 6 Wireless Scree n s Figure 44 EAP Authentication The details below provide a general descrip tion of how IEEE 802.1x EAP authentication works. For an example list of EAP-MD5 authen tication steps, see the IEEE 802.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 79 Key differences between WP A(2) and WEP are improved data encryption and user authentication. If both an AP and the wireless clients suppor t WP A2 and you have an external RADIUS server , use WP A2 for stronger data encryption.
ZyXEL G-570S User’s Guide 80 Chapter 6 Wireless Scree n s Figure 45 WP A(2)-PSK Authentication 6.12 WP A(2) with RADIUS Application Example Y ou need the IP address of the RADIUS server , its port number (de fau lt is 1812), and the RADIUS shared secret.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 81 6.13 Security Parameters Summary Refer to this table to see what other secur ity parameters you should co nfigure for each authentication method/ key managemen t protoc ol type.
ZyXEL G-570S User’s Guide 82 Chapter 6 Wireless Scree n s 6.15.1 Wireless Security: Disable If you do not enable any wireless security on your device, your network is accessible to any wireless networki ng devi ce that is within range. Figure 47 Wireless Security: Disable The following table describes the labels in this screen.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 83 Figure 48 Wireless Securit y: WEP The following table describes the labels in this screen. Table 18 Wireless Securit y: WEP LABEL DESCRIPTION Encryption Method Select WEP if you want to configure WEP encryption parameters.
ZyXEL G-570S User’s Guide 84 Chapter 6 Wireless Scree n s 6.15.3 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. Figure 49 Wireless Security: WP A(2)-PSK The following table describes the labels in this screen.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 85 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 authentication and improved data encryption.
ZyXEL G-570S User’s Guide 86 Chapter 6 Wireless Scree n s 6.15.5 Wireless Security: IEEE 802.1x The IEEE 802.1x standard outlines enhanced security methods for both the authentication of wireless stations and en cryption key managemen t.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 87 The following table describes the labels in this screen. 6.16 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).
ZyXEL G-570S User’s Guide 88 Chapter 6 Wireless Scree n s The following applies if you set the device to c lient mode and want to connect to an AP that uses a MAC filter . After the device turns on in client mode, it clones the MAC address of the first packets that it receives fro m devices connected to the Ethe rnet port.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 89 The following table describes the labels in this screen. 6.17 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.
ZyXEL G-570S User’s Guide 90 Chapter 6 Wireless Scree n s Hold in the OTIST button for one or two seconds. 6.17.1.1.2 W eb Configurator Click WIRELESS > SETTINGS > OTIST to configure and enable OTIST . The screen appears as shown. Note: At the time of writing the device do es not support OTIST in the wireless clien t mode.
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 91 Figure 54 Example Wireless Client OTIST Screen 6.17.2 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).
ZyXEL G-570S User’s Guide 92 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 57 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 ).
ZyXEL G-570S User’s Guide Chapter 6 Wireless Screens 93 Figure 59 S tart OTIST? 2 If an OTIST -enabled wireless client los es its wireless connection for more than ten seconds, it will search for an OTIST -enabled AP for up to one minute.
ZyXEL G-570S User’s Guide 94 Chapter 6 Wireless Scree n s.
ZyXEL G-570S User’s Guide Chapter 7 Ma nagement Screens 95 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- 570S configur ation and change th e web configurator langu a ge.
ZyXEL G-570S User’s Guide 96 Chapter 7 Manag ement Scre ens 7.3 Logs Click SETTINGS > MANAGEMENT > Logs to open the Logs 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.
ZyXEL G-570S User’s Guide Chapter 7 Ma nagement Screens 97 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 .
ZyXEL G-570S User’s Guide 98 Chapter 7 Manag ement Scre ens 7.4.1 Backup Configuration Backup configuration allo ws you to back up (save) the device's current configuration to a file on your computer .
ZyXEL G-570S User’s Guide Chapter 7 Ma nagement Screens 99 Figure 64 Network T emporarily Disconnected If you uploaded the default co nfiguration file you may ne ed to change the IP address of your computer to be in the same su bnet as that of the default device IP address (192.
ZyXEL G-570S User’s Guide 100 Chapter 7 Managemen t Screens Click SETTINGS > MANA GEMENT > F/W Upload to displa y the screen as shown. Follow the instructions in this screen to upload firmware to your device. Figure 67 Management: F/W Upload The following table describes the labels in this screen.
ZyXEL G-570S User’s Guide Chapter 7 Management Screens 1 01 Figure 69 Network T emporarily Disconnected After two minutes, log in again an d check your new firmware version in the System S tatus screen. If the upload was not successful, the following status message displays at the bottom of the screen.
ZyXEL G-570S User’s Guide 102 Chapter 7 Managemen t Screens.
ZyXEL G-570S User’s Guide Chapter 8 Troubles hooting 103 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 diagnose and to solve the problem.
ZyXEL G-570S User’s Guide 104 Chapter 8 Trouble s hooting 8.3 Problems with the WLAN Interface 8.4 Problems with the Ethernet Interface Table 30 Troubleshootin g the WLAN Interface PROBLEM CORRECTIVE ACTION Cannot access the G-570S from the WLAN. Make sure the wireless adapter on the wireless station is worki ng properly .
ZyXEL G-570S User’s Guide Chapter 8 Troubles hooting 105 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).
ZyXEL G-570S User’s Guide 106 Chapter 8 Trouble s hooting 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 71 Pop-up Blocker Y ou can also check if po p-up blocking is disable d in the Pop-up Blocker section in the Privacy tab.
ZyXEL G-570S User’s Guide Chapter 8 Troubles hooting 107 8.4.1.1.2 Enable pop-up Blockers with Excep tions Alternatively , if you only want to allow pop-up window s from your device, see th e following steps. 1 In Internet Explorer , select To o l s , Internet Options and then the Privacy tab.
ZyXEL G-570S User’s Guide 108 Chapter 8 Trouble s hooting Figure 74 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.
ZyXEL G-570S User’s Guide Chapter 8 Troubles hooting 109 Figure 75 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).
ZyXEL G-570S User’s Guide 110 Chapter 8 Trouble s hooting Figure 76 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.
ZyXEL G-570S User’s Guide Chapter 8 Troubles hooting 111 Figure 77 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.
ZyXEL G-570S User’s Guide 112 Chapter 8 Trouble s hooting Figure 78 Java (S un) 8.5 T esting the Connection to the G-570S 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-570S (19 2.
ZyXEL G-570S User’s Guide Chapter 8 Troubles hooting 113.
ZyXEL G-570S User’s Guide 114 Chapter 8 Trouble s hooting.
ZyXEL G-570S User’s Guide Appendix A Product Specifications 115 A PPENDIX A Product S pecifications See also the introduction chapter for a general overview of the key features. S pecification T ables Table 32 Device Specifications Default IP Address 192.
ZyXEL G-570S User’s Guide 116 Appendix A Product Specifications Operating Modes Access Point Client Bridge Access Point and Repeater Wireless Links Up to four bridge links. T wo or more repeater links are supporte d. It is sugg ested that you only use up to three repeater links.
ZyXEL G-570S User’s Guide Appendix A Product Specificat ions 117 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.
ZyXEL G-570S User’s Guide 118 Appendix A Product Specifications Power Adaptor Specifications V OLTAGE DIP S/ INTERRUPTION EN61000-4-1 1 EM FIELD FROM DIGIT AL T ELEPHONES ENV50204 LAN COMPATIBILITY SmartBit FOR WIRELESS PC CARD FCC Part15C, Sec15.
ZyXEL G-570S User’s Guide Appendix A Product Specifications 119 Power Consumption 12 W atts Safety S tandards CE mark, EN60950 (2001) Table 36 Power Adaptor Specifications (con tinued).
ZyXEL G-570S User’s Guide 120 Appendix A Product Specifications.
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 121 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.
ZyXEL G-570S User’s Guide 122 Appendix B Setting up Your Computer’s IP Add ress Figure 80 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.
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 123 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.
ZyXEL G-570S User’s Guide 124 Appendix B Setting up Your Computer’s IP Add ress Figure 82 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.
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 125 Figure 83 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 84 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr operties .
ZyXEL G-570S User’s Guide 126 Appendix B Setting up Your Computer’s IP Add ress Figure 85 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 .
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 127 • 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.
ZyXEL G-570S User’s Guide 128 Appendix B Setting up Your Computer’s IP Add ress Figure 88 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).
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 129 Figure 89 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 .
ZyXEL G-570S User’s Guide 130 Appendix B Setting up Your Computer’s IP Add ress Figure 90 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 91 Macintosh OS 8/9: TCP/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configur e: list.
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 131 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.
ZyXEL G-570S User’s Guide 132 Appendix B Setting up Your Computer’s IP Add ress Figure 93 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.
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 133 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.
ZyXEL G-570S User’s Guide 134 Appendix B Setting up Your Computer’s IP Add ress • If you have a dynamic IP addres s, click Automatically obtain IP address settings with and select dhcp from the drop down list.
ZyXEL G-570S User’s Guide Appendix B Setting up Your Computer’s IP Addr ess 135 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 .
ZyXEL G-570S User’s Guide 136 Appendix B Setting up Your Computer’s IP Add ress Figure 101 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 102 Red Hat 9.0: Checking TCP/IP Properties [root@localhost init.
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 137 A PPENDIX C Wireless LANs Wireless LAN T opologies This section discusses ad-hoc and in frastructure w ireless LAN topologies.
ZyXEL G-570S User’s Guide 138 Appendix C Wireless LANs Figure 104 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.
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 139 Figure 105 Infrastructure WLAN Channel A channel is the radio frequency(ies) used by IEEE 802.
ZyXEL G-570S User’s Guide 140 Appendix C Wireless LANs Figure 106 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.
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 141 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.
ZyXEL G-570S User’s Guide 142 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 .
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 143 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.
ZyXEL G-570S User’s Guide 144 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.
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 145 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.
ZyXEL G-570S User’s Guide 146 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.
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 147 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.
ZyXEL G-570S User’s Guide 148 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.
ZyXEL G-570S User’s Guide Appendix C Wir eless LANs 149 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-570S User’s Guide 150 Appendix C Wireless LANs.
ZyXEL G-570S User’s Guide Appendix D IP Subnetting 151 A PPENDIX D 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.
ZyXEL G-570S User’s Guide 152 Appendix D IP Subne tting 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 valu e of 0 to 127.
ZyXEL G-570S User’s Guide Appendix D IP Subnetting 153 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 si mply specify the number of ones instead of writing the value of each octet.
ZyXEL G-570S User’s Guide 154 Appendix D IP Subne tting 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.
ZyXEL G-570S User’s Guide Appendix D IP Subnetting 155 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.
ZyXEL G-570S User’s Guide 156 Appendix D IP Subne tting Example Eight Subnet s Similarly use a 27-bit mask to create 8 subnets (001 , 010, 01 1, 100, 101, 1 10). 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.
ZyXEL G-570S User’s Guide Appendix D IP Subnetting 157 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.
ZyXEL G-570S User’s Guide 158 Appendix D IP Subne tting.
ZyXEL G-570S User’s Guide Index 159 Index Numerics 11 0 V A C 5 230V AC 5 A Abnormal Working Conditions 6 AC 5 Accessories 5 Acts of God 6 Address Assignment 53 Ad-hoc 57 Advanced Encryption St anda.
ZyXEL G-570S User’s Guide 160 Index E EAP 74 , 77 , 79 EAP Authentication 143 Electric Shock 5 Electrical Pipes 5 Encryption 79 , 146 Equal V alue 6 ESS 58 , 138 ESS IDentification 58 Ethernet Ports.
ZyXEL G-570S User’s Guide Index 161 North American Plug S tandards 11 8 Norway , Contact Information 7 O Open System 76 Opening 5 Operating Condition 6 Operation Humidity 11 5 Operation T emperature.
ZyXEL G-570S User’s Guide 162 Index Service 5 , 6 Service Personnel 5 Service Set Identity 59 Shared Key 76 Shipping 6 Shock, Electric 5 signal strength 50 , 51 S pain, C onta ct Information 8 SSID .
An important point after buying a device ZyXEL G-570S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ZyXEL G-570S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ZyXEL G-570S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ZyXEL G-570S you will learn all the available features of the product, as well as information on its operation. The information that you get ZyXEL G-570S will certainly help you make a decision on the purchase.
If you already are a holder of ZyXEL G-570S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ZyXEL G-570S.
However, one of the most important roles played by the user manual is to help in solving problems with ZyXEL G-570S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ZyXEL G-570S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
