Instruction/ maintenance manual of the product PLA450 ZyXEL Communications
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www .zyxel.com PLA-450 Homeplug A V to WLAN AP/Bridge User ’ s Guide V ersion 3.60 6/2007 Edition 1 DEFAULT LOGIN IP Address http://1 92 .168.1.2 Password 1234.
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About This User's Guide PLA-450 User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who want to configure the ZyXEL Device using the web configurator . Related Document ation • Quick Start Guide The Quick S tart Guide is designed to help yo u get up and running right away .
Document Conventions PLA-450 User’s Guide 4 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide.
Document Conventions PLA-450 User’s Guide 5 Icons Used in Figures Figures in this User ’ s Guide may use the followi ng generic icons. The ZyXEL Device icon is not an exact representation of your device.
Safety Warnings PLA-450 User’s Guide 6 Safety Warnings 1 For your safety , be sure to read and follow all warni ng notices and instructions. • Do NOT use this product near water , for example, in a wet basement or near a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids.
Safety Warnings PLA-450 User’s Guide 7.
Safety Warnings PLA-450 User’s Guide 8.
Contents Overview PLA-450 User’s Guide 9 Contents Overview Introduction .......................................... ........................................................................ .......... 21 Getting to Know Y our ZyXEL Dev ice ...........
Contents Overview PLA-450 User’s Guide 10.
Table of Contents PLA-450 User’s Guide 11 Table of Contents About This User's Guide ........................................... ............................................................. .. 3 Document Conventions.............................
Table of Contents PLA-450 User’s Guide 12 3.4 Navigating the Web Configurator ............................ ................ ................ ................ .......... 37 3.4.1 The S tatus Screen ....... ................ ................. .........
Table of Contents PLA-450 User’s Guide 13 6.1 Overview ... ................ ................. ................ ................ ............. ................ ................ . ............ 71 6.2 Privacy and Powerline Adapters ...... .............
Table of Contents PLA-450 User’s Guide 14 Appendix A Product S pecifications and W all-Mounting Instructions .................................... 105 Appendix B Pop-up Windows, JavaScripts and Java Permissions ...................................... 109 Appendix C IP Addresses and Subnetting .
List of Figures PLA-450 User’s Guide 15 List of Figures Figure 1 WLAN Application Example ................. ... ................ ................. ................ ............. ........... ........ 23 Figure 2 HomePlug A V Internet Connection Example .
List of Figure s PLA-450 User’s Guide 16 Figure 39 Network > HomePlug > Network Settings ....... ................ ................ ................ ................ ....... 7 5 Figure 40 Network > HomePlug > Edit ........... ............
List of Figures PLA-450 User’s Guide 17 Figure 82 Red Hat 9.0: KDE: Et hernet Device: General ............. ................... ................ ................ ..... 136 Figure 83 Red Hat 9.0: KDE: N etwork Configuration: DNS ......... ...........
List of Figure s PLA-450 User’s Guide 18.
List of Tables PLA-450 User’s Guide 19 List of Tables T able 1 Front Panel LEDs ..... ................ ................ ................ ................. ................ ............... .......... ....... 25 T able 2 S tatus Screen Icon Key ......
List of Tables PLA-450 User’s Guide 20 T able 39 Subnet 2 ....... ................ ................. ................ ................ ................ ................ .... .................... 1 20 T able 40 Subnet 3 ....... ................ .....
21 P ART I Introduction Getting to Know Y our ZyXEL Device (23) W ireless T utorial (27) Introducing the W eb Configurator (35).
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PLA-450 User’s Guide 23 C HAPTER 1 Getting to Know Your ZyXEL Device This chapter introduces the main features and applications of the ZyXEL Device. 1.
Chapter 1 Getting to Know Your ZyXEL Device PLA-450 User’s Guide 24 Figure 2 HomePlug A V Internet Connection Example 1.2 W ays to Manage the ZyXEL Device Use any of the following method s to manage the ZyXEL Device. • W eb Configurator . This is recommended fo r everyday management of the ZyXEL Device using a (s upported) web browser .
Chapter 1 Getting to Know Your ZyXEL Device PLA-450 User’s Guide 25 1.4 LEDs Figure 3 Front Panel LEDs The following table describes the LEDs. T able 1 Front Pan el LEDs LED ICON COLOR ST ATUS DESCRIPTION POWER Green On The ZyXEL Device is receiving power and functioning properly .
Chapter 1 Getting to Know Your ZyXEL Device PLA-450 User’s Guide 26.
PLA-450 User’s Guide 27 C HAPTER 2 Wireless Tutorial This chapter gives you examples of how to set up the ZyXEL Device and wireless client for wireless communication using the following pa rameters. The wireless clients can acc ess the Internet through the ZyXEL Device wirelessly .
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 28 Figure 4 Network > Wireless LAN > General 2 Make sure the Enable Wir eless LAN check box is selected. 3 Enter SSID_Example3 as the SSID and select a channel. 4 Set security mode to WP A-PSK and enter Th i si s my W P A - P SK p re- s h are d ke y in the Pre-Shar ed Key field.
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 29 Figure 6 AP: S tatus: WLAN S tation S tatus 2.3 Configuring the Wireless Client This section describes how to connec t the wireless client to a network.
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 30 1 Open the ZyXEL utility and click the Site S u rvey tab to open the screen sh own next. 2 The wireless client automatically search es for available wireless networks. Click Scan if you want to search again.
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 31 Figure 9 ZyXEL Utility: Confirm Save 5 The ZyXEL utility returns to the Link Info screen while it connects to the wireless network using your settings.
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 32 1 Open the ZyXEL utility and click the Pr ofile tab to open the screen shown next. Click Add to configure a new profile.
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 33 5 This screen varies depending on the encryp tion method you select ed in the previous screen. Enter the pre-shared key and leave the encryption type at the default setting. Figure 14 ZyXEL Utility: Profile Encryption 6 In the next screen, leave both bo xes checked.
Chapter 2 Wireless Tutorial PLA-450 User’s Guide 34 " Only one profile can be activa ted and used at any given time. Figure 17 Profile: Activate 9 When you activate the new profile, the ZyXEL utility returns to the Link Info screen while it connects to the AP using your settings .
PLA-450 User’s Guide 35 C HAPTER 3 Introducing the Web Configurator This chapter describes how to access the ZyX EL Device web configurator and provides an overview of its screens.
Chapter 3 Introducing the Web Configur ator PLA-450 User’s Guide 36 Figure 18 Change Password Screen " The management session auto matically times out when the time period set in the Ad ministrator Inactivity Timer field expires (default five minutes).
Chapter 3 Introducing the Web Configurator PLA-450 User’s Guide 37 3.3 Resetting the ZyXEL Device If you forget your password or cannot access th e web configurator , you will need to use the RESET button at the back of the ZyXEL Device to reload th e factory-default configuration file.
Chapter 3 Introducing the Web Configur ator PLA-450 User’s Guide 38 Figure 20 Web Configura t or S tatus Screen The following table describ es the icons shown in the St a t u s sc reen. T able 2 Status Screen Icon Ke y ICON DESCRIPTION Select a language from the drop-down list box to have the web configura tor display in that language.
Chapter 3 Introducing the Web Configurator PLA-450 User’s Guide 39 The following table describes the labels shown in the St a t u s scre en. T able 3 Web C onfigurator Status Screen LABEL DESCRIPTION Device Information System Name This is the System Name you enter in the Maintenance > System > General screen.
Chapter 3 Introducing the Web Configur ator PLA-450 User’s Guide 40 3.4.2 Navigation Panel After you enter the password, us e the sub-menu s on the navigation panel to configure ZyXEL Device featur es. The following table describes the sub-menus. S tatus For the LAN port, this field displays Down (line is down) or Up (line is up or connected).
Chapter 3 Introducing the Web Configurator PLA-450 User’s Guide 41 3.4.3 Summary: Packet St atistics Click the Packet S tatistics (Details...) hyperlink in the St a t u s screen. Read-only information here includes port status and packet specific st atistics.
Chapter 3 Introducing the Web Configur ator PLA-450 User’s Guide 42 3.4.4 Summary: Wireless S t ation St atus Click the W L A N St a t i o n St a t u s ( D e t a i l s . . . ) hy perlink in the St a t u s screen. V iew the wireless stations that are currently associa ted to the ZyXEL Device in the Association List screen.
Chapter 3 Introducing the Web Configurator PLA-450 User’s Guide 43 The following table describes the labels in this screen. T able 7 Summary: My Homeplug Networ k LABEL DESCRIPTION Site This ZyXEL Device is the L ocal device. All other devices on your network will b e Remote.
Chapter 3 Introducing the Web Configur ator PLA-450 User’s Guide 44.
45 P ART II Network W ireless LAN (47) LAN (67) HomePlug A V (71).
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PLA-450 User’s Guide 47 C HAPTER 4 Wireless LAN This chapter discusses how to configure the wire less network settings in your ZyXEL Device. See the appendices for more detailed information ab out wireless networks. 4.1 Wireless Network Overview The following figure provides an exampl e of a wireless network.
Chapter 4 Wireless LAN PLA-450 User’s Guide 48 Like radio stations or television channels, e ach wireless network uses a spec ific channel, or frequency , to send and receive information. • Every wireless client in the same wireless network must use security c ompatible with the AP .
Chapter 4 Wireless LAN PLA-450 User’s Guide 49 • Security: ( ) None ( ) WEP (64 bit or 128 bit key) (ASCII or Hex):____________ ____ 4.2 Wireless Security Overview The following sections introduce different types of wireless security you can set up in the wireless network.
Chapter 4 Wireless LAN PLA-450 User’s Guide 50 If your AP does not provide a local user database and if you do not have a RADIUS server , you cannot set up user names and passwords for your users. Unauthorized devices can still see th e information that is sent in the wireless network, even if they cannot use the wireless network.
Chapter 4 Wireless LAN PLA-450 User’s Guide 51 Many types of encryption use a key to protect the information in the wireless network. The longer the key , the s tronger the encryption. Ev ery wireless client in the wireless network mus t have the same key .
Chapter 4 Wireless LAN PLA-450 User’s Guide 52 Figure 25 Roaming Example The steps below describe the roaming process. 1 W ireless station Y moves from the coverage area of access point AP 1 to that of access point AP 2 . 2 W ireless station Y sc ans and detects the signal of access point AP 2 .
Chapter 4 Wireless LAN PLA-450 User’s Guide 53 4.4.1 WMM QoS WMM (W i-Fi MultiMedia) QoS (Qua lity of Service) ensures quality of ser vice in wireless networks. It controls WLAN transmission priority on packets to be transmitted over the wireless network.
Chapter 4 Wireless LAN PLA-450 User’s Guide 54 Figure 26 Network > Wireless LAN > General The following table describes the general wireless LAN labels in this screen. See the rest of this chapter for informa tion on the other labels in this screen.
Chapter 4 Wireless LAN PLA-450 User’s Guide 55 Figure 27 Network > Wireless LAN > General: No Security The following table describes the labels in this screen. 4.5.2 WEP Encryption WEP encryption scrambles the da ta transmitted between the wireless stations and the access points to keep network communications pr ivate.
Chapter 4 Wireless LAN PLA-450 User’s Guide 56 Figure 28 Network > Wireless LAN > General: S tatic WEP The following table describes the wireless LAN security labels in this screen.
Chapter 4 Wireless LAN PLA-450 User’s Guide 57 4.5.3 WP A-PSK/WP A2-PSK Click Network > W ireless LAN to display the General screen. Select WP A-PSK or WP A2- PSK from the Security Mode list. Figure 29 Network > Wireless LAN > General: WP A-PSK/WP A2-PSK The following table describes the labels in this screen.
Chapter 4 Wireless LAN PLA-450 User’s Guide 58 4.5.4 WP A/WP A2 Click Network > W ireless LAN to display the General screen. Select WP A or WP A2 from the Security Mode list.
Chapter 4 Wireless LAN PLA-450 User’s Guide 59 The following table describes the labels in this screen. T able 14 Network > Wireless LAN > Ge neral: WPA/WPA2 LABEL DESCRIPTION WP A Compatible This check box is available onl y when you select WP A2-PSK or WP A2 in the Security Mode field.
Chapter 4 Wireless LAN PLA-450 User’s Guide 60 4.6 MAC Filter The MAC filter screen allows you to configure the ZyXEL Device to give exclusive access to up to 32 devices (Allow) or exclude up to 32 devices from acce ssing the ZyXEL Device (Deny). Every Ethernet device has a unique MA C (Media Access Contro l) address.
Chapter 4 Wireless LAN PLA-450 User’s Guide 61 4.7 Wireless LAN Advanced Screen Click Network > W ireless LAN > Advanced . The screen appears as shown. Figure 32 Network > Wireless LAN > Advanced The following table describes the labels in this screen.
Chapter 4 Wireless LAN PLA-450 User’s Guide 62 4.8 Quality of Service (QoS) Screen The QoS screen allows you to au tomatically give a service (such as e-mail, V oIP or FTP) a priority level. Click Network > W ireless LAN > QoS . The following screen appears.
Chapter 4 Wireless LAN PLA-450 User’s Guide 63 Figure 33 Network > Wireless LAN > QoS The following table describes the labels in this screen. T able 17 Network > Wireless LAN > QoS LABEL DESCRIPTION Enable WM M QoS Use WMM QoS (Wifi Mul tiMedia Quality of Service) to give different types of traffic different priorities.
Chapter 4 Wireless LAN PLA-450 User’s Guide 64 4.8.1 Application Pr iority Configuration Use this screen to edit a WMM QoS appli cation entry . Click the edit icon under Modify .
Chapter 4 Wireless LAN PLA-450 User’s Guide 65 Service The following is a description of the appli cations you can prioritize with WMM QoS. Select a service from the drop-down list box. • E-Mail Electronic mail consists of message s sent th rough a computer network to specific groups or indivi duals.
Chapter 4 Wireless LAN PLA-450 User’s Guide 66.
PLA-450 User’s Guide 67 C HAPTER 5 LAN This chapter describes how to configure LAN settings. 5.1 LAN Overview A Local Area Network (LAN) is a shared comm unication system to which many computers are attached. A LAN is a computer network lim ited to the immediate area, usually the same building or floor of a building.
Chapter 5 LAN PLA-450 User’s Guide 68 5.1.3 IP Address and Subnet Mask Similar to the way houses on a street share a common street name, so too do computers on a LAN share one common network number . Where you obtain your netwo rk number depends on yo ur particular situation.
Chapter 5 LAN PLA-450 User’s Guide 69 User Defined LAN IP Select this opti on to use a specific (fixed) IP address. IP Address Enter the ZyXEL Device’s IP address in dotted de cimal notation. 192.168.1.2 is the factory default. IP Subnet Mask Enter the IP subnet mask in this field if you have a specific for the ZyXEL Device to use.
Chapter 5 LAN PLA-450 User’s Guide 70.
PLA-450 User’s Guide 71 C HAPTER 6 HomePlug AV This chapter introduces the ma in applications and manageme nt of the powerline feature. 6.1 Overview The ZyXEL Device is a HomePlug A V compliant powerline Ethernet adapter .
Chapter 6 Home Plug AV PLA-450 User’s Guide 72 2 Then plug your Zy XEL Device into a power outlet. The ZyXEL Device is ready for conn ection on a powerline network. 3 Connect another HomePlug A V compatible adap ter to a computer and then plug it in on the same home or office wiring.
Chapter 6 HomePlug AV PLA-450 User’s Guide 73 Figure 37 Powerline Network Scenario In both cases the powerline adapters reside on the same electrical circuit.
Chapter 6 Home Plug AV PLA-450 User’s Guide 74 Figure 38 T wo Private Powerline Networks on One Circuit 6.3 Configuring Y our HomePlug A V Devices Click on Network > HomePlug to see the screen below . Use th is screen to se t up a HomePlug A V network and to check the status of HomePlug A V devices on your electrical circuit.
Chapter 6 HomePlug AV PLA-450 User’s Guide 75 Figure 39 Network > HomePlug > Network Settings The following table describes the labels in the screen. T able 21 Network > HomePlug > N etwork Settings LABEL DESCRIPTION Network Name This section lets you set the name of your ne twork and to make it either public or privat e.
Chapter 6 Home Plug AV PLA-450 User’s Guide 76 Click Network > HomePlug > Edit to see the scree n below . Use this screen to add a new HomePlug A V device to the network. Y ou can also edit a device’ s details. Figure 40 Network > Hom ePlug > Edit The following table describes the labels in the screen.
Chapter 6 HomePlug AV PLA-450 User’s Guide 77 DAK Password The DAK Password (DAK stands for Device Access Ke y), is used to verify that you are authorized to perform changes on a device. Y ou can find the DAK printed on a sticker on the bottom of a HomePlug e nabled device.
Chapter 6 Home Plug AV PLA-450 User’s Guide 78.
79 P ART III Maintenance and T roubleshooting System (81) Logs (85) T ools (89) Configuration Mode (95) T roubleshooting (97).
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PLA-450 User’s Guide 81 C HAPTER 7 System This chapter provides information on the System s creens. 7.1 System General Screen Click Maintenance > System . The following screen displays. Figure 41 Maintenance > System > Gener al The following table describes the labels in this screen.
Chapter 7 System PLA-450 User’s Guide 82 7.2 Time Setting Screen T o change your ZyXE L Device’ s time and date, click Maintenance > System > Ti m e Setting . The screen appears as shown. Use this screen to configure the ZyXEL Device’ s time based on your local time zone.
Chapter 7 System PLA-450 User’s Guide 83 The following table describes the labels in this screen. T able 24 Maintenance > System > Time Setting LABEL DESCRIPTION Current T ime and Date Current T ime This field displays the time of your ZyXEL Device.
Chapter 7 System PLA-450 User’s Guide 84 St a r t D a t e Configure the day and time when Daylight Saving Time start s if you sele cted Daylight Saving s . Th e o'clock fie ld uses the 24 hour format. Here are a couple of examples: Daylight Saving T ime starts in most parts o f the United S tates on the second Sunday of March.
PLA-450 User’s Guide 85 C HAPTER 8 Logs This chapter contains inform ation about configuring genera l log settings and viewing the ZyXEL Device’ s logs. Refer to the append ices for example log message explanations. 8.1 V i ew Log The web confi gurator allows you to look at a ll of the ZyXEL Device’ s logs in one location.
Chapter 8 Logs PLA-450 User’s Guide 86 The following table describes the labels in this screen. 8.2 Log Settings Y ou can configure the ZyXEL Device’ s general log settings in one location. Click Maintenance > Logs > Log Settings to open the Log Settings screen.
Chapter 8 Logs PLA-450 User’s Guide 87 Figure 44 Maintenance > Logs > Lo g Settings The following table describes the labels in this screen. T able 26 Maintenance > Logs > Log Settings L.
Chapter 8 Logs PLA-450 User’s Guide 88 User Name Enter the user name (up to 31 characte rs) (usually th e user name of a mail account). Password Enter the password associated with the user name a bove.
PLA-450 User’s Guide 89 C HAPTER 9 Tools This chapter shows you how to upload a new firmware, upload or save backup configuration files and restart the ZyXEL Devic e. 9.1 Firmware Upload Screen Find firmware at www .zyxel.co m in a file that (usually) uses the system model name with a "*.
Chapter 9 Tools PLA-450 User’s Guide 90 " Do not turn off the ZyXEL Device wh ile firmware uploa d is in progress! After you see the Firmware U pload In Process screen, wait five minu tes before logging into the ZyXEL Device again.
Chapter 9 Tools PLA-450 User’s Guide 91 9.2 Configuration Screen See the Firmware and Configura tion File Maintenance chapter fo r transferring configuration files using FTP/TFTP commands.
Chapter 9 Tools PLA-450 User’s Guide 92 " Do not turn off the ZyXEL Device while configuration file upload is in progress After you see a “configuration upload successf ul” screen, you must then wait one minute before logging into th e ZyXEL Device again.
Chapter 9 Tools PLA-450 User’s Guide 93 Y ou can also press the RESET button on the rear panel to reset the factory de faults of your ZyXEL Device. Refer to the ch apter about introducing the web configurator for more information on the RESET button.
Chapter 9 Tools PLA-450 User’s Guide 94.
PLA-450 User’s Guide 95 C HAPTER 10 Configuration Mode Click Maintenance > Config Mode to open the following screen. This screen allows you to hide or display the advanced screens of some features or the advanced feature s, such as MAC filter . Basic is selected by default and you cannot s ee the advanced screens or features.
Chapter 10 Config uration Mode PLA-450 User’s Guide 96.
PLA-450 User’s Guide 97 C HAPTER 11 Troubleshooting This chapter offers some sugg estions to solve problems you might encounter . The potential problems are divided into the following categories.
Chapter 11 Trou bleshooting PLA-450 User’s Guide 98 1 1.2 ZyXEL Device Access and Login V I forgot the IP address for the ZyXEL Device. 1 The default IP address is 192.
Chapter 11 Trou bleshooting PLA-450 User’s Guide 99 6 If the problem continues, contact the network administrator or vendor , or try one of the advanced suggestio ns. Advanced Suggestions • If your computer is connecte d through the Internet or is connected wirelessly , use a computer that is connected to the LAN port.
Chapter 11 Trou bleshooting PLA-450 User’s Guide 100 2 If you are trying to access the Internet wirelessly , make sure the wireless settings in the wireless client are the same as the settings in the ZyXEL Devi ce. 3 Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.
Chapter 11 Trou bleshooting PLA-450 User’s Guide 101 T o reset the ZyXEL Device, 1 Make sure the PWR LED is on and not blinking. 2 P ress and hold the RESET button for five to ten seconds. Release the RESE T button when the PWR LED begins to blink. The defau lt settings have been restored.
Chapter 11 Trou bleshooting PLA-450 User’s Guide 102 2 Check the DAK and MAC address for all po wer line adapters are typed correctly . 3 Make sure that all your power line adap ters are HomePlug A V . Check the package it came in or ask your vendor .
103 P ART IV Appendices and Index Product Specifications and W all-Mounting Instructio ns (105) Pop-up W indows, JavaScripts and Java Permissions (109) IP Addresses and Subnetting (1 15) Setting up Y .
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PLA-450 User’s Guide 105 A PPENDIX A Product S pecifications and W all- Mounting Instructions The following tables summarize the ZyXEL De vice’ s hardware and firmware features.
Appendix A Product Specifications and Wall-Mounting Instr u ctions PLA-450 User’s Guide 106 The following list, which is not exhaustive, i llustrates the standards su pported in the ZyXEL Device. Wireless Functionality Allows IEEE 802.1 1b and/or IEEE 802.
Appendix A Product Specificatio ns and Wall-Mounting Instructio ns PLA-450 User’s Guide 107 W all-mounting Instructions Do the following to hang your ZyXEL Devic e on a wall. " See T able 31 on p age 105 for the size of screws to use and how far apart to place them.
Appendix A Product Specifications and Wall-Mounting Instr u ctions PLA-450 User’s Guide 108 Figure 55 W all-mounting Example.
PLA-450 User’s Guide 109 A PPENDIX B Pop-up Windows, JavaScript 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).
Appendix B Po p-up Window s, JavaScrip ts and Java Pe rmissions PLA-450 User’s Guide 11 0 2 Clear the Block pop-ups check box in the Pop-up Block e r section of the screen. This disables any web po p-up blockers you may have enabled . Figure 57 Internet Options: Privacy 3 Click Apply to save this setting.
Appendix B Pop-u p Windows, JavaScripts and Java Permissio ns PLA-450 User’s Guide 111 Figure 58 Internet Options: Privacy 3 T ype the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.
Appendix B Po p-up Window s, JavaScrip ts and Java Pe rmissions PLA-450 User’s Guide 11 2 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. JavaScript s If pages of the web configura tor do not display properly in Internet Explorer , ch eck that JavaScripts are allowed.
Appendix B Pop-u p Windows, JavaScripts and Java Permissio ns PLA-450 User’s Guide 11 3 Figure 61 Security Setting s - Java Scrip ting Java Permissions 1 From Internet Explorer , click To o l s , Internet Options and then the Security tab. 2 Click the Custom Level.
Appendix B Po p-up Window s, JavaScrip ts and Java Pe rmissions PLA-450 User’s Guide 11 4 JA V A (Sun) 1 From Internet Explorer , click To o l s , Internet Options and then the Adva nced tab. 2 Make sure that Use Java 2 for <applet> under Java (Sun) is sele cted.
PLA-450 User’s Guide 11 5 A PPENDIX C IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify ind ividual devices on a network. Every networking device (includin g computers, servers, routers, printe rs, etc.
Appendix C IP Addresses a nd Subnetting PLA-450 User’s Guide 11 6 Figure 64 Network Num ber and H ost ID How much of the IP address is the network number and how much is the host ID varies according to the subnet mask.
Appendix C IP Addresses and Subnetting PLA-450 User’s Guide 11 7 Subnet masks are expressed in dotted decimal no tation just like IP addresses. The follow ing examples show the binary and decimal not ation for 8-bit, 16-bit, 24-bit an d 29-bit subnet masks.
Appendix C IP Addresses a nd Subnetting PLA-450 User’s Guide 11 8 Subnetting Y ou can use subnetting to divide one network int o multiple sub-networks. In the following example a network administrator creates two sub-networks to isolate a group of servers from the rest of the c ompany network for security reasons.
Appendix C IP Addresses and Subnetting PLA-450 User’s Guide 11 9 Figure 66 Subnetting Example: After Subnetting In a 25-bit subnet the host ID has 7 bits , so each sub-network has a maximum of 2 7 – 2 or 126 possible hosts (a host ID of all zeroes is the subnet’ s address itself, all ones is the subnet’ s broadcast address).
Appendix C IP Addresses a nd Subnetting PLA-450 User’s Guide 120 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 001, 010, 01 1, 100, 101, 1 10 and 111 ) . The following table shows IP address last octet values for each subnet.
Appendix C IP Addresses and Subnetting PLA-450 User’s Guide 121 Subnet Planning The following table is a summary for su bnet planning on a network with a 24-bit network number . The following table is a summary for su bnet planning on a network with a 16-bit network number .
Appendix C IP Addresses a nd Subnetting PLA-450 User’s Guide 122 Configuring IP Addresses Where you obtain your netwo rk number depends on yo ur particular situation. If the ISP or your network administrator assigns yo u a bloc k of registered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask.
PLA-450 User’s Guide 123 A PPENDIX D Setting up Y our Computer ’ s IP Address All computers must have a 10M or 100M Et hernet adapter card and TCP/IP installed.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 124 Figure 67 WIndows 95/98/Me: Network: Co nfiguration Inst alling Components The Network window Configuration tab displays a list of installed components. Y ou need a network adapter , the TCP/IP protocol and Client for Microsoft Netwo rks.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 125 Configuring 1 In the Network window Configuration tab, select your network adapter's TCP/IP entry and click Properties 2 Click the IP Address tab. • If your IP address is dynamic, select Obtain an IP address automatically .
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 126 Figure 69 Windows 95/98/Me: TCP/IP Properties: DNS Configuration 4 Click the Gateway tab. • If you do not know you r gateway’ s IP addr ess, remove previously installed gateways.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 127 Figure 70 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 71 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr operties .
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 128 Figure 72 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 .
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 129 Figure 74 Windows XP: Internet Protocol (TCP/IP) Prope rties 6 If you do not know your gateway's IP ad dress, remove any previously installed gateways in the IP Settings tab and click OK .
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 130 Figure 75 Windows XP : Advanced TCP/ IP Properties 7 In the Internet Protocol TCP/IP Pr operties window (the General tab in W indows XP): • Click Obtain DNS server address automatically if yo u do not know your DNS server IP address(es).
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 131 Figure 76 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 .
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 132 Figure 77 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 78 Macintosh OS 8/9: TCP/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configure: list.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 133 •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box. • T ype the IP address of your Prestige in the Router address box.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 134 Figure 80 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.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 135 " Make sure you are logged in as the root administrator . Using the K Desktop Environment (KDE) Follow the steps below to configure your computer IP address using the KDE.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 136 Figure 82 Red Hat 9.0: KDE: Ethernet Device: General • If you have a dynamic IP address click Automatically obtain IP address settings with and select dhcp from the drop down list.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 137 Figure 84 Red Hat 9.0: KDE: Network Configuration: Activate 7 After the network card restart proc ess is complete, make sure the St a t u s is Active in the Network Configuration screen.
Appendix D Setting up Your Computer’s IP Address PLA-450 User’s Guide 138 2 If you know your DNS server IP address(es) , enter the DNS server information in the resolv.conf file in the /etc directory . The following figure shows an example where two DNS server IP addresses are specified.
PLA-450 User’s Guide 139 A PPENDIX E W ireless 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 pendent (Ad-hoc) WLAN that connects a se t of computers with wireless adapters (A, B, C).
Appendix E Wireless LANs PLA-450 User’s Guide 140 Figure 91 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.
Appendix E Wir eless LANs PLA-450 User’s Guide 141 Figure 92 Infrastructure WLAN Channel A channel is the radio frequency(ies) used by wireless devices to transmit and receive data.
Appendix E Wireless LANs PLA-450 User’s Guide 142 Figure 93 RTS / CT S When station A sends data to the AP , it might not know that the station B is already using the channel.
Appendix E Wir eless LANs PLA-450 User’s Guide 143 If the Fragmentation Threshold value is smaller than the RT S / C T S value (see previously) you set then the R TS (Request T o Send)/CTS (Clear to Send) handshake will never occur as data frames will be fragmen ted before they reach R TS/CTS size.
Appendix E Wireless LANs PLA-450 User’s Guide 144 W ireless security methods availabl e on the ZyXEL Device are data encryption, wireless client authentication, restricting access by devi ce MAC address and hiding the ZyXEL Device identity .
Appendix E Wir eless LANs PLA-450 User’s Guide 145 Determines the network services available to authenticated users once they are connected to the network.
Appendix E Wireless LANs PLA-450 User’s Guide 146 For EAP-TLS authentication type, you must firs t hav e a wired connection to the network and obtain the certificate(s) from a certificate authorit y (CA).
Appendix E Wir eless LANs PLA-450 User’s Guide 147 Dynamic WEP Key Exchange The AP maps a unique ke y that is generated w ith the RADIUS se rver . 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.
Appendix E Wireless LANs PLA-450 User’s Guide 148 Encryption Both WP A and WP A2 improve data encryption by usin g T emporal Key Integri ty Protocol (TKIP), Message Integrity Check (MIC) and IE EE 802.
Appendix E Wir eless LANs PLA-450 User’s Guide 149 Wireless Client WP A Supplicants A wireless client supplicant is the software that runs on an operating system instructing the wireless client how to use WP A. At the time of writing, the most widely available supplicant is the WP A patch for W indows XP , Funk Software's Odyssey clien t.
Appendix E Wireless LANs PLA-450 User’s Guide 150 3 The AP and wireless clients generate a common PMK (Pairwise Master Key). The key itself is not sent over the network, but is derived from the PSK and the SSID. 4 The AP and wireless clients use the TKIP or AES encryption process, to encrypt data exchanged between them.
Appendix E Wir eless LANs PLA-450 User’s Guide 151 Antenna Overview An antenna couples RF signals onto air . A tran smitter within a wireless device sends an RF signal to the antenna, which propagates the signal through the air . The antenna also operates in reverse by capturing RF signals fro m the air .
Appendix E Wireless LANs PLA-450 User’s Guide 152 Positioning Antennas In general, antennas should be mounted as high as practically possible and free of obstructions. In point-to–point ap plication, position both antennas at the same height and in a direct line of si ght to each othe r to attain the best performance.
PLA-450 User’s Guide 153 A PPENDIX F Common Services The following table l ists some commonly-used se rvices and their associated protocols and port numbers. For a comprehensive list of port numbers, ICMP type/code numbers and services, visit the IANA (Internet Assigned Number Authority) web site.
Appendix F Commo n Services PLA-450 User’s Guide 154 FTP TCP TCP 20 21 File Tr a nsfer Program, a program to enable fast transfer of files, including large fil es that may not be possible by e-mail. H.323 TCP 1720 NetMeeting uses this protocol. HTTP TCP 80 Hyper T ext T ransfer Protoco l - a client/ server protocol for the world wide web.
Appendix F Common Services PLA-450 User’s Guide 155 RTE L NE T TCP 10 7 Remote T elnet. RTS P TCP/UDP 554 The Real Time S treaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. SFTP TCP 11 5 Simple File T r ansfer Protocol.
Appendix F Commo n Services PLA-450 User’s Guide 156.
PLA-450 User’s Guide 157 A PPENDIX G Legal Information Copyright Copyright © 2007 by ZyXEL Communications Corporation. The contents of this publication may not be reprod uced in any part or as a wh.
Appendix G Legal Information PLA-450 User’s Guide 158 If this device does cause harmful inte rference to radio/television reception, which can be determined by turning th e device off and on, the user is enc ouraged to try to correct the interference by one or more of the following measures: 1 Reorient or relocate the receiving antenna.
Appendix G Legal Information PLA-450 User’s Guide 159 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 two ye ars from the date of purchase.
Appendix G Legal Information PLA-450 User’s Guide 160.
PLA-450 User’s Guide 161 A PPENDIX H Customer Support Please have the following information r eady when you contact customer support. Required Information • Product model and serial number . • W arranty Information. • Date that you received your de vice.
Appendix H Custo mer Support PLA-450 User’s Guide 162 • Re g u la r M ai l : ZyXEL Communications, Czech s.r .o., Modranská 621, 143 01 Praha 4 - Modrany , Ceská Republika Denmark • Support E-mail: support@zyxel.dk • Sales E-mail: sales@zyxel.
Appendix H Customer Support PLA-450 User’s Guide 163 India • Support E-mail: support@zyxel.in • Sales E-mail: sales@zyxel.in • T elephone: +91-1 1-30888144 to +91 -11-308 88153 • Fax: +91-1 1-30888149, +91 -11-2 6810715 • W eb: http://www .
Appendix H Custo mer Support PLA-450 User’s Guide 164 • Re g ul a r Ma i l: ZyXEL Communications Inc., 1 130 N. Miller St., Anaheim, CA 92 806- 2001, U.S.A. Norway • Support E-mail: support@zyxel.no • Sales E-mail: sales@zyxel.no • T elephone: +47-22-80-61-80 • Fax: +47-22-80-61-81 • W eb: www .
Appendix H Customer Support PLA-450 User’s Guide 165 Sweden • Support E-mail: support@zyxel.se • Sales E-mail: sales@zyxel.se • T elephone: +46-31-744-7700 • Fax: +46-31-744-7701 • W eb: www .zyxel.se • Re g ul a r M a i l: ZyXEL Communications A/S, Sjöporten 4, 41764 Götebor g, Sweden Thailand • Support E-mail: support@zyxel.
Appendix H Custo mer Support PLA-450 User’s Guide 166.
Index PLA-450 User’s Guide 167 Index Numerics 802.1 1 mode 62 802.1 1b 62 802.1 1b/g 62 802.1 1g 62 A administrator inactivity timer 81 Advanced Encryption S tandard (AES) 72 , 148 advanced mode 37 .
Index PLA-450 User’s Guide 168 F factory LAN defaults 67 FCC interf erence statemen t 157 File T ransfer P rotocol, (FTP) 65 firmware file extension HTTP upload upload 89 version 39 fragment ation t.
Index PLA-450 User’s Guide 169 wireless 47 Network Membership Key , See NMK 72 network name 72 network password 72 NMK 72 changing 72 O Odyssey client 149 operating channel 39 output power 62 P pack.
Index PLA-450 User’s Guide 170 T temperature 105 T emporal Key Integrity Pro tocol (TKIP) 148 time 39 , 83 server 83 setting 82 zone 83 trademarks 157 U user authentication 49 local (user) database .
An important point after buying a device ZyXEL Communications PLA450 (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 Communications PLA450 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 Communications PLA450 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ZyXEL Communications PLA450 you will learn all the available features of the product, as well as information on its operation. The information that you get ZyXEL Communications PLA450 will certainly help you make a decision on the purchase.
If you already are a holder of ZyXEL Communications PLA450, 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 Communications PLA450.
However, one of the most important roles played by the user manual is to help in solving problems with ZyXEL Communications PLA450. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ZyXEL Communications PLA450 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
