ZyXEL Communications NXC8160 инструкция обслуживания

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Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации ZyXEL Communications NXC8160. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции ZyXEL Communications NXC8160 или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции ZyXEL Communications NXC8160 можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций ZyXEL Communications NXC8160, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции ZyXEL Communications NXC8160 должна находится:
- информация относительно технических данных устройства ZyXEL Communications NXC8160
- название производителя и год производства оборудования ZyXEL Communications NXC8160
- правила обслуживания, настройки и ухода за оборудованием ZyXEL Communications NXC8160
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск ZyXEL Communications NXC8160 это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок ZyXEL Communications NXC8160 и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта ZyXEL Communications, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания ZyXEL Communications NXC8160, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства ZyXEL Communications NXC8160, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции ZyXEL Communications NXC8160. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

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    www .zyxel.com NXC-8160 Business WLAN Controller User ’ s Guide Ve r s i o n 1 . 0 6/2007 Edition 1[...]

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    [...]

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    About This User's Guide NXC-8160 User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who wa nt to configure the NXC-8160 using the web configurator . Y ou should have at leas t a basic knowledge of TCP/IP networking concepts and topology . Related Document ation • Quick Start Guide The Quick S t[...]

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    Document Conventions NXC-8160 User’s Guide 4 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide. 1 W arnings tell you about things that could harm you or your device. " Notes tell you other important informati on (for example, other things you may need to configure or helpful tip s) o[...]

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    Document Conventions NXC-8160 User’s Guide 5 Icons Used in Figures Figures in this User ’ s Guide may use the following generic icons. NXC-8160 Computer Notebook computer Server Wireless Signal Modem/Router Access Point[...]

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    Safety Warnings NXC-8160 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. • Do NOT store thin gs on the device.[...]

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    Safety Warnings NXC-8160 User’s Guide 7 • Antenna W arning! This device meets ETSI and FCC certification requirements when using the included antenna(s). On ly use the included antenna(s). • If you wall mount your device, make sure th at no electrical lines, gas or water pipes will be damaged. This product is recyclable . Dispose of it proper[...]

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    Safety Warnings NXC-8160 User’s Guide 8[...]

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    Contents Overview NXC-8160 User’s Guide 9 Contents Overview Introduction .......................................... ........................................................................ .......... 21 Getting to Know Y our NXC-8160 .............. ............. ................ ................ ............. ................ ....... 23 Introduci[...]

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    Contents Overview NXC-8160 User’s Guide 10[...]

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    Table of Contents NXC-8160 User’s Guide 11 Table of Contents About This User's Guide ................................................................ .......................................... 3 Document Conventions.................................................................. ......................................... .4 Safety Warnings [...]

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    Table of Contents NXC-8160 User’s Guide 12 Chapter 3 LAN Screen................................................................. .................................................... . ........ 35 3.1 LAN and WAN ....... ................ ............. ............. ............. ................ ............. ............. ....... ...... 35 3.2 IP[...]

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    Table of Contents NXC-8160 User’s Guide 13 Chapter 7 Access Point s Screen ............... ..................................................................................... ....... .6 7 Chapter 8 Maintenance Screen .................................................. ........................................................... .. 69 8.1 Maintena[...]

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    Table of Contents NXC-8160 User’s Guide 14[...]

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    List of Figures [Document Title] 15 List of Figures Figure 1 Wireless Internet Access ............... ............ ............. ............. ............. ................ .......... .......... ... 24 Figure 2 Backup NXC-8160 ........ ................. ............ ................. ................ ............. ................ .. .............[...]

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    List of Figure s [Document Title] 16 Figure 39 Windows XP: Advanced TCP/IP Properties .... ................ ............. ................ ............. ............. 94 Figure 40 Windows XP: Internet Pr otocol (TCP/IP) Properties .................... ................ ................ .......... 95 Figure 41 Windows Vista: S tart Menu .... ........[...]

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    List of Figures [Document Title] 17 Figure 82 RTS/CTS .............. ................ ............. ............. ................ ............. ................ ....... ................ . 130 Figure 83 WP A(2) with RADIUS Application Example . ................ ................ ................ ................ ........ 137 Figure 84 WP A(2)-PSK Au[...]

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    List of Figure s [Document Title] 18[...]

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    List of Tables [Document Title] 19 List of Tables T able 1 Front Panel LED s (Lights) ..... ............. ................ ................ ............. ................ ............. .......... ... 26 T able 2 Title Bar: W e b Configurator Icon .............. ............. ................ ................ ............. ............. ....... ... [...]

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    List of Tables [Document Title] 20 T able 39 24-bit Network Number Subnet Planning ............... ............. ................ ............. ............. ......... 11 5 T able 40 16-bit Network Number Subnet Planning ............... ............. ................ ............. ............. ......... 11 5 T able 41 IEEE 802.1 1g ......... .....[...]

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    21 P ART I Introduction Getting to Know Y our NXC-8160 (23) Introducing the W eb Configurator (27)[...]

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    22[...]

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    NXC-8160 User’s Guide 23 C HAPTER 1 Getting to Know Your NXC-8160 This chapter introduces the main featur es and applications of the NXC-8160. 1.1 NXC-8160 Overview The NXC-8160 is a WLAN controller that a llo ws you to connect the NW A-8500 access points (APs) to extend your wireless network. The NX C-8160 centralizes the management of all of th[...]

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    Chapter 1 Getting to Know Your NXC-8160 NXC-8160 User’s Guide 24 Figure 1 Wireless Internet Access 1.2.2 Backup NXC-8160 T o ensure wireless Internet access availability , deploy on e NXC-8160 as the main WLAN controller and the other NXC-8160 as the backup. Both NXC-8160s should be in the same network and have the same number of connected access[...]

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    Chapter 1 Getting to Kn ow Your NXC-8160 NXC-8160 User’s Guide 25 1.3 W ays to Manage the NXC-8160 Use any of the following method s to manage the NXC-8160. • W eb Configurator . This is recommended for everyday management of the NXC-8160 using a (s upported) w eb browser . • Command Line Interface. Line commands are mostly used for troublesh[...]

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    Chapter 1 Getting to Know Your NXC-8160 NXC-8160 User’s Guide 26 The following table describes the lights on the NXC-8160. T able 1 Front Panel LEDs (Lights) LED COLOR STATUS DESCRIPTION POWER Off The NXC-8160 is turned of f. Green On The NXC-8160 is ready and running. Flashing The NXC-8160 is restarting. Red On The power to the NXC-8160 is too l[...]

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    NXC-8160 User’s Guide 27 C HAPTER 2 Introducing the Web Configurator This chapter describes how to access the NX C-8160 web configurator and provides an overview of its screens. 2.1 W eb Configurator Overview The web configur ator is an HTML-based mana ge ment interface that allows easy NXC-8160 setup and management via Internet browser . Use Int[...]

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    Chapter 2 Introducing the Web Configur ator NXC-8160 User’s Guide 28 Figure 4 S tatus Screen As illustrated above, the main scr een is di vided into these parts: • A - title bar • B - main window • C - status bar • D - navigation panel 2.3.1 T i tle Bar The title bar provides a icon in the upper right corner . The icon provide the followi[...]

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    Chapter 2 Introducing the Web Configurator NXC-8160 User’s Guide 29 Figure 5 Web Configur ator S tatus Screen The following table describes the labels in this screen. T able 3 Web Configurat or Status Scr een LABEL DESCRIPTION Refresh Interval Select a number of seconds or None from the d rop-down list box to up date all screen statistics automat[...]

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    Chapter 2 Introducing the Web Configur ator NXC-8160 User’s Guide 30 2.3.4 Navigation Panel Use the sub-menus on the nav igation panel to configure NXC-8160 features . The following table describes the sub-menus. 2.3.5 About Screen The About screen displays firmware in formation. T o display the scr een as shown b elow , c lick the about ( ) butt[...]

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    Chapter 2 Introducing the Web Configurator NXC-8160 User’s Guide 31 Figure 6 Web Configurator About Scre en The following table describes the r ead-only fields in this screen. T able 5 Web Configurat or About Scr een LABEL DESCRIPTION ZyXELFS This field displays th e firmwa re versi on number and the date created. AppsFS This field disp lays the [...]

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    Chapter 2 Introducing the Web Configur ator NXC-8160 User’s Guide 32[...]

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    33 P ART II W eb Configurator LAN Screen (35) W ireless LAN (47)[...]

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    34[...]

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    NXC-8160 User’s Guide 35 C HAPTER 3 LAN Screen This chapter describes how to configure LAN settings. 3.1 LAN and W AN A network is a shared commun ication system to which ma ny computers are attached. The Local Area Network (LAN) includes the co mputers and networking dev ices (such as the NXC-8160) in your home o r office that you connect to a m[...]

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    Chapter 3 LAN Screen NXC-8160 User’s Guide 36 you are told otherwise. If y o u select 192.168.1.0 as the network number; it covers 254 individual addresses, from 192.16 8.1.1 to 192.168.1.25 4 (zero and 255 are reserved). In other words, the first three numbers specify the networ k number while the last number identifies an individual co mputer o[...]

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    Chapter 3 LAN Screen NXC-8160 User’s Guide 37 3.3 VLAN A VLAN (V irtual Local Area Network) allows a physical network to be partitioned into multiple logical networks. Stations on a logical network can belong to more than one group. Only stations within the same group can talk to each other . W ith VLAN, a device cannot directly talk to or hear f[...]

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    Chapter 3 LAN Screen NXC-8160 User’s Guide 38 This way , the device connected to port 1 on switch A can configure the NXC-8 160. Wireless clients connected to SSID x or y cannot manage the NXC-8160 itself, but they can communicate with port 2 or 3 on switch A and access the Internet. W i reless clients connected to SSID x cannot talk to wireless [...]

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    Chapter 3 LAN Screen NXC-8160 User’s Guide 39 Figure 9 LAN The following table describes the labels in this screen. T able 6 LAN LABEL DESCRIPTION LAN Y ou can pre-configure two LAN IP addre sses, but only one is in use at a time. 192.168.1.10 is the default IP ad dress. IP Address T ype the IP address of your NXC-8160 in dotted decimal notation.[...]

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    Chapter 3 LAN Screen NXC-8160 User’s Guide 40[...]

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    NXC-8160 User’s Guide 41 C HAPTER 4 Centralized Configuration This chapter describes cent ralized configuration. 4.1 Introduction to Centralized Configuration Centralized configuration allows you to conf igure multiple WLAN co ntrollers through one controller , called the master controller . The cont rollers must be a ble to communicate with one [...]

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    Chapter 4 Centr alized Configur ation NXC-8160 User’s Guide 42 Unlike T elnet or FTP , which transmit data in pl aintext (clear or unencrypted text), SSH is a secure communication pro tocol that combines authentication and data encryption to provide secure encrypted communication between two hosts over an unsec ured network. In the following figu[...]

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    Chapter 4 Centralized Configu ration NXC-8160 User’s Guide 43 1 Host Identification The SSH client sends a connection request to the SSH server . The server identifies itself with a host key . The client encrypts a rand omly generated session ke y with the host key and server key and sends the result back to the server . The client automatically [...]

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    Chapter 4 Centr alized Configur ation NXC-8160 User’s Guide 44 The following table describes the labels in this screen. When you select Master Controller and click Save , the screen changes and displays as shown next. Figure 14 Centralized Configura t ion (Master) The following table describes the labels in this screen. T able 8 Centralized Confi[...]

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    Chapter 4 Centralized Configu ration NXC-8160 User’s Guide 45 Generate New SSH Keys Click the Save button next to Generate New SSH Keys to have the NXC-8160 create a SSH key which is to be used to identify the NXC-8160 for SSH connections. Retrieve Public SSH Key Click the Save button next to Retrieve Public SSH Key to download and sa ve a public[...]

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    Chapter 4 Centr alized Configur ation NXC-8160 User’s Guide 46[...]

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    NXC-8160 User’s Guide 47 C HAPTER 5 Wireless LAN This chapter discusses how to configure wireless LAN on the NXC-8160. 5.1 Wireless LAN Introduction A wireless LAN can be as simple as two computers with wireless LAN adapters communicating in a peer-to-p eer network or as complex as a number of computers with wireless LAN adapters communicating th[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 48 In this wireless network, devices A and B are called wireless c lients. The wireless c lients use the access point (AP) which is co nnected to a WLAN controller to interact with other devices (such as the printer) or with the Intern et. Y our NXC-8160 is the WLAN controller . Every wireless network [...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 49 Unauthorized devices can still see th e information that is sent in the wireless network, even if they cannot use the wireless network. Furtherm ore, there are ways for unauthorized wireless users to get a valid user name and password. Th en, they c an use that user name and password to use the wire[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 50 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 w ireless network must have the same key . 5.2.4 Additional Inst allation Requirement s for Using 802.1x • A computer with an IEEE[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 51 Figure 16 WLAN[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 52 The following table describes the labels in this screen. Ta b l e 1 1 WLAN LABEL DESCRIPTION Regulatory Domain Country/ Regulatory Domain Select the countr y where the NXC-8160 is located. WLAN Configuration The NXC-8160 supports two radios at the same time. Th at means you can have two separate wir[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 53 5.4.1 Rename SSIDs Click the Rename SSIDs link in the WLAN Configuration screen to change an existing SSID. 1 Mbps ~ 54 Mbps This is the data rate at which the NXC-8160 can transmit. Select Adapt to allow the NXC-8160 to switch between and send traffic to wireless clients at the specified rates afte[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 54 Figure 17 WLAN > SSID T able The following table describes the labels in this screen. 5.5 Configuring Wireless Security Click SSID & Security in the navigation panel or the SSID & Security link in the WLAN Configuration screen to open the SSID & Security scree n. Use this screen to on[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 55 Figure 18 SSID & Security The following table describes the labels in this screen. T able 14 SSID & Security LABEL DESCRIPTION SSID Choose SSID Select an SSID fo r which you want to co nfigure the wireless and wireless security settings. SSID Options Allow Default SSID Select Enable to allow[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 56 5.5.1 No Security " If you do not enable any wireless se curity on your NXC-8160, your network is accessible to any wireless net working device within range. Allow Inter-Ess Forward An Extended Service Set (ESS) consists of a series of overlapping BSSs, each containing an access point, w ith ea[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 57 Figure 19 SSID & Security: None The following table describes the wireless LAN security labels in this screen. 5.5.2 St atic WEP Stat ic WEP provides a mechanism for encrypting data usin g encryption keys. Both the AP and the wireless clients must use the same WEP key to encrypt and decrypt data[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 58 Figure 20 SSID & Security: WEP The following table describes the labels in this screen. T able 16 SSID & Security: WEP LABEL DESCRIPTI ON Security Mode Select WEP64 or WEP128 from the drop-down list. WEP Keys WEP (Wired Equivalent Privacy) provides da ta encr yption to prevent unauthorized w[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 59 5.5.3 St atic WEP + IEEE 802.1x (LEAP) Select WEP64 & 802.1 x (LEAP) or WEP128 & 802. 1x (LEAP) in the Security Mode field to display the following screen. Figure 21 SSID & Security: S tatic WEP + IEEE 802.1x (LEAP) The following table describes the labels in this screen. T able 17 SSID [...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 60 5.5.4 WP A-PSK Select WP A-PSK from the Security Mode list. T ransmission Keys The WEP keys are used to secure your data from eavesdropping by unauthorized wireless users. Both the NXC-8160 and t he wireless clients must use the same WEP key for dat a transmission. Y ou can configure up to four keys[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 61 Figure 22 SSID & Security: WP A-PSK The following table describes the labels in this screen. 5.5.5 WP A Select WP A from the Security Mode list. T able 18 SSID & Security: WPA-PSK LABEL DESCRIPTION Security Mode Select WP A-PSK from the drop-down list. WP A WP A-PSK The encryption mech anism[...]

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    Chapter 5 Wireless LAN NXC-8160 User’s Guide 62 Figure 23 SSID & Security: WP A The following table describes the labels in this screen. T able 19 SSID & Security: WPA LABEL DESCRIPTION Security Mode Select WP A from the drop-down list. WP A/RAD IUS Rekey Interval This is the rate at which the RA DIUS server sends a new grou p key out to [...]

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    NXC-8160 User’s Guide 63 C HAPTER 6 Advanced Screen This chapter describes how to configure switch redundancy an d SNMP settings. 6.1 SNMP Simple Network Management Protocol is a protocol used for exchanging management information between network devices. SNMP is a member of the TCP/IP pro tocol suite. Y our NXC-8160 supports SNMP agent fu nction[...]

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    Chapter 6 Advan ced Screen NXC-8160 User’s Guide 64 The managed devices cont ain object variables/ managed objects that define each piece of information to be collected ab out a device. Examples of variab les include such as number of packets received, node port status etc. A Ma nagement Information Ba se (MIB) is a collection of managed objects.[...]

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    Chapter 6 Advanced Screen NXC-8160 User’s Guide 65 Figure 25 Advanced The following table describes the labels in this screen. T able 21 Advanced LABEL DESCRIPTION Redundancy Redundancy S tatus Select Enabled to turn on redundancy between a pair of NXC-8160s. Y ou can deploy one NXC-8160 as the main controll er and the other as the backup one. Ot[...]

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    Chapter 6 Advan ced Screen NXC-8160 User’s Guide 66 Save Click Save to save your customized settings in this section. Reset Click Reset to begin configuring this section of the scre en afresh. SNMP Enable Traps Select the check box to enable sendi ng of SNMP traps to a st ation. Community T ype the trap community , which is the pa ssword sent wit[...]

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    NXC-8160 User’s Guide 67 C HAPTER 7 Access Points Screen Click Access Points to display the screen a s shown. This screen allows you to view the status of the access points (APs) connected to the NXC- 8160. Y ou can also use th is screen to set the NXC-8160 not to supply power to an AP . Figure 26 Access Points The following table describes the l[...]

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    Chapter 7 Access Points Screen NXC-8160 User’s Guide 68[...]

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    NXC-8160 User’s Guide 69 C HAPTER 8 Maintenance Screen This chapter displays informat ion on the maintenance screens. 8.1 Maintenance Overview The maintenanc e screens can help you vie w the configuration, upload new firm ware, manage configuration, configure the NXC-8160’ s time and restart your NXC-81 60. " Only upload firmware fo r your[...]

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    Chapter 8 Maintenan ce Screen NXC-8160 User’s Guide 70 The following table describes the labels in this screen. 8.2 Configuring Syslog & Monitor Use this screen to configure to where the NXC-8160 is to send logs and how often a log will be sent. Click Maintenance > Syslog & Monito r . The screen appears as shown. T able 23 Access Point[...]

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    Chapter 8 Maintena nce Screen NXC-8160 User’s Guide 71 Figure 28 Syslog & Monitor The following table describes the labels in this screen. T able 24 Syslog & Monitor LABEL DESCRIPTION Enable Syslog Select the check box to activate syslog loggi ng. Syslog logging sends a system log to an external syslog server . Syslog Server IP Address En[...]

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    Chapter 8 Maintenan ce Screen NXC-8160 User’s Guide 72[...]

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    NXC-8160 User’s Guide 73 C HAPTER 9 Password This chapter displays information on the password screen. 9.1 Configuring Password Click Password to open the following screen. Use this screen to change the NXC-8160’ s management password. Figure 29 Password The following table describes the labels in this screen. T able 25 Password LABEL DESCRIPTI[...]

  • Страница 74

    Chapter 9 Passwo rd NXC-8160 User’s Guide 74 New Password T ype your new system password (at least 5 alphanumeric characters). Note that as you type a password, the screen displays a (*) for each character you type. Retype to Confirm T ype the new password again for confirmation. Apply Click Save to save your changes back to the NXC-8160. Reset C[...]

  • Страница 75

    75 P ART III T roubleshooting and S pecifications T roubleshooting (77) Product Specification s (81)[...]

  • Страница 76

    76[...]

  • Страница 77

    NXC-8160 User’s Guide 77 C HAPTER 10 Troubleshooting This chapter offers some sugg estions to solve problems you might encounter . The potential problems are divided into the following categories. • Power , Hardware Connections, and LEDs • NXC-8160 Access and Login • Internet Access 10.1 Power , Hardware Connections, and LEDs V The NXC-8160[...]

  • Страница 78

    Chapter 10 Trou bleshooting NXC-8160 User’s Guide 78 10.2 NXC-8160 Access and Login V I forgot the LAN IP address for the NXC-8160. 1 The default LAN IP address is 192.168.1.10 . 2 If this does not work or y ou changed the IP address and have for gotten it, you have to contact your ve ndor . V I forgot the password. 1 The default password is defa[...]

  • Страница 79

    Chapter 10 Trou bleshooting NXC-8160 User’s Guide 79 • If you disconnec t your computer from on e device and connect it to anothe r device that has the same IP address, your computer ’ s ARP (Address Resolution Protoc ol) table may contain an entry that maps the management IP address to the previous device’ s MAC address. In W indows, use a[...]

  • Страница 80

    Chapter 10 Trou bleshooting NXC-8160 User’s Guide 80 1 Check the hardware connections , and make su re the LEDs are be having as expected. See the Quick S tart Guide and Section 1.5 on page 25 . 2 Make sure the NXC-8160 is connected to a network that has Interne t access. 3 Make sure the wireless and wi reless security settings in the wireless cl[...]

  • Страница 81

    NXC-8160 User’s Guide 81 C HAPTER 11 Product Specifications The following tables summarize the NXC-8 160’ s hardware and firmware features. T able 26 Hardware Specifications Dimensions 430 (W) x 240 (D) x 45 (H) mm Weight 3 Kg Power S pecification 10 0 - 240 V AC/2A max. Supply 15 W power to each WLAN port Ethernet Interface LAN One auto-negoti[...]

  • Страница 82

    Chapter 11 Product Specifications NXC-8160 User’s Guide 82 Cable Pin Assignment s In a serial communications connection, gene rally a computer is DTE (Data T erminal Equipment) and a modem is DCE (Data Circuit-terminating Equipment). The NXC-8160 is DCE when you connect a computer to the console port. The pin layout for th e DB-9 connecto r end o[...]

  • Страница 83

    Chapter 11 Product Specifications NXC-8160 User’s Guide 83 1 IRD + 1 OTD + 1 IRD + 1 IRD + 2 IRD - 2 OTD - 2 IRD - 2 IRD - 3 OTD + 3 IRD + 3 OTD + 3 OTD + 6 OTD - 6 IRD - 6 OTD - 6 OTD - T able 29 Ethernet Cable Pin Assignment s W AN / LAN ETHERNET CABLE PIN LAYOUT[...]

  • Страница 84

    Chapter 11 Product Specifications NXC-8160 User’s Guide 84[...]

  • Страница 85

    85 P ART IV Appendices and Index " The appendices provide general informatio n. Some details may not apply to your NXC-8160. Setting up Y our Computer ’ s IP Address (87) IP Addresses and Subnetting (109) Pop-up W indows, JavaScripts and Java Permissions (1 19) W ireless LANs (127) Legal Information (141) Customer Support (145) Index (151)[...]

  • Страница 86

    86[...]

  • Страница 87

    NXC-8160 User’s Guide 87 A PPENDIX A Setting up Y our Computer ’ s IP Address All computers must have a 10M or 100M Et hernet adapter card and TCP/IP installed. W indows 95/98/Me/NT/2000/XP /V ista, Macintos h OS 7 and later operating systems and all versions of UNIX/LINUX include the software components you need to install and use TCP/ IP on y[...]

  • Страница 88

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 88 Figure 31 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 Microso ft Networks. If you need the adapter: 1 In the[...]

  • Страница 89

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 89 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 . • If you have a static IP address, sele[...]

  • Страница 90

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 90 Figure 33 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. • If you have a gateway IP address, type it in the New gateway field and click Add . 5 [...]

  • Страница 91

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 91 Figure 34 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 35 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr operties .[...]

  • Страница 92

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 92 Figure 36 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 37 Windows XP: Loca l Area Connection Properties 5 The Internet Protocol TCP/IP Properties windo[...]

  • Страница 93

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 93 Figure 38 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 . Do one or more of the fo llowing if you want to configure additi onal IP addre[...]

  • Страница 94

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 94 Figure 39 Windows XP : Advanced TC P/IP Propert ies 7 In the Internet Protocol TCP/IP Pr operties window (the General tab in W indow s XP): • Click Obtain DNS server address automatically if yo u do not know your DNS server IP address(es). • If you know your DNS serve[...]

  • Страница 95

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 95 Figure 40 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 i ndows 2000/NT) to close the Local Area Connection Properties window . 10 Close the Network Connections w indow ( N[...]

  • Страница 96

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 96 Figure 41 Windows Vista: S tart Menu 2 In the Control Panel , double-click Network and Internet . Figure 42 Windows Vista: Control Pa nel 3 Click Network and Sharing Center . Figure 43 Windows Vista: Network An d Internet 4 Click Manage network connections . Figure 44 Win[...]

  • Страница 97

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 97 5 Right-click Local Area Connection and then click Pr operties . " During this procedure, click Continue whenever Windows displays a screen saying that it needs y our permission to continue. Figure 45 Windows V ista: Network and Sharing Center 6 Select Internet Proto[...]

  • Страница 98

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 98 7 The Internet Protocol V ersion 4 (TCP/IPv4) Properties window opens (the General tab ). • If you have a dynamic IP address click Obtain an IP address automatically . • If you have a static IP address click Use the follow ing IP address and fill in the IP address , S[...]

  • Страница 99

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 99 Figure 48 Windows Vista: Advanced T CP/IP Propertie s 9 In the Internet Protocol V ersion 4 (TCP/IPv4) Properties window , (the Gene ral tab ): • Click Obtain DNS server address automatically if yo u do not know your DNS server IP address(es). • If you know your DNS s[...]

  • Страница 100

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 100 Figure 49 Windows Vista: Internet Pr otocol V ersion 4 (TCP/IPv4 ) Properties 10 Click OK to close the Internet Protocol V ersion 4 (TCP/IPv4) Properti es window . 11 Click Close to close the Local Ar ea C onnection Properties window . 12 Close the Network Connections w [...]

  • Страница 101

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 101 Figure 50 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 51 Macintosh OS 8/9: TCP/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configure: list. 4 For statically assigned settings, do the following: ?[...]

  • Страница 102

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 102 • 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 NXC-8160 in the Router address box. 5 Close the TCP/IP Contr ol Panel . 6 Click Save if prompted, to save chan ges to your configuratio n.[...]

  • Страница 103

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 103 Figure 53 Macintosh OS X: Network 4 For statically assigned settings, do the following: •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box. • T ype the IP address of your [...]

  • Страница 104

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 104 " 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. 1 Click the Red Hat button (located on the bottom left corner), select System Setting and clic[...]

  • Страница 105

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 105 • If you have a dyna mic IP address, clic k Automatically obtain IP address settings with and select dhcp from the drop down list. • If you have a static IP address, click S tatically set IP Addresses and fill in the Address , Sub net mask , and Default Gateway Addre[...]

  • Страница 106

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 106 Figure 58 Red Hat 9.0: Dynamic IP Address Setting in ifconfig-eth0 • If you have a static IP address, enter static in t he BOOTPROTO= field. T ype IPADDR = followed by the IP address (in do tted decimal notation) and type NETMASK = followed by the subnet mask. The foll[...]

  • Страница 107

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 107 V erifying Settings Enter ifconfig in a terminal screen to ch eck your TCP/IP properties. Figure 62 Red Hat 9.0: Che c king TCP/IP Properties [root@localhost]# ifconfig eth0 Link encap:Ethernet HWadd r 00:50:BA:72:5B:44 inet addr:172.23.19.129 B cast:172.23.19.255 Mask:2[...]

  • Страница 108

    Appendix A Setting up Your Computer’s IP Address NXC-8160 User’s Guide 108[...]

  • Страница 109

    NXC-8160 User’s Guide 109 A PPENDIX B 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.) ne eds an IP address to communicate across the network. These networking devices a re al[...]

  • Страница 110

    Appendix B IP Addre sses and Subnetting NXC-8160 User’s Guide 11 0 Figure 63 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 s ubnet mask. 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 ho[...]

  • Страница 111

    Appendix B IP Addresses and Subnetting NXC-8160 User’s Guide 111 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. Network Size The size of the network number determines the maximum number of possible host[...]

  • Страница 112

    Appendix B IP Addre sses and Subnetting NXC-8160 User’s Guide 11 2 Subnetting Y ou can use subnetting to divide one network into 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. In this example, the company net[...]

  • Страница 113

    Appendix B IP Addresses and Subnetting NXC-8160 User’s Guide 11 3 Figure 65 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). 192.168.1.0 wi[...]

  • Страница 114

    Appendix B IP Addre sses and Subnetting NXC-8160 User’s Guide 11 4 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 00 1, 010, 01 1, 100, 101, 1 10 and 111 ) . The following table shows IP address last octet values for each subnet. T able 35 Subnet 2 IP/SUBNET MASK NETWORK NUMBER LAST OCTET BI T VA L U E IP Addr[...]

  • Страница 115

    Appendix B IP Addresses and Subnetting NXC-8160 User’s Guide 11 5 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 . 5 128 12 9 158 159 6 160 16 1 190 191 7 192 19 3 222 223 8 224 22 5 25[...]

  • Страница 116

    Appendix B IP Addre sses and Subnetting NXC-8160 User’s Guide 11 6 Configuring IP Addresses Where you obtain your netwo rk number depends on your 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. If the ISP d[...]

  • Страница 117

    Appendix B IP Addresses and Subnetting NXC-8160 User’s Guide 11 7 IP Address Conflict s Each device on a network must have a unique IP address. Devices with duplicate IP addres ses on the same network will not be ab le to access the Internet or ot her resources. The devices may also be unreachable through the network. Conflicting Computer IP Addr[...]

  • Страница 118

    Appendix B IP Addre sses and Subnetting NXC-8160 User’s Guide 11 8 Conflicting Computer and R outer IP Addresses Example More than one device can not use the same IP addr ess. In the following example, the computer and the router ’ s LAN port both use 192.168.1.1 as the IP ad dress. The c omputer cannot access the Internet. This problem can be [...]

  • Страница 119

    NXC-8160 User’s Guide 11 9 A PPENDIX C Pop-up Windows, JavaScript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-u p windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default). " Internet Explorer 6 screens are used here. Screens for other Int[...]

  • Страница 120

    Appendix C Pop-up Windows, JavaScripts and Java Perm issions NXC-8160 User’s Guide 120 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 ena bled. Figure 70 Internet Options: Privacy 3 Click Apply to save this setting. Enable Pop-up Blockers with Exceptions Alter[...]

  • Страница 121

    Appendix C Pop-up Windows, JavaScripts and Java Per m issions NXC-8160 User’s Guide 121 Figure 71 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://192.168.167.1. 4 Click Add to move the IP address to the list of Allowed sites . Fi[...]

  • Страница 122

    Appendix C Pop-up Windows, JavaScripts and Java Perm issions NXC-8160 User’s Guide 122 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, check that JavaScripts are allowed. 1 In Internet Explorer , click T ools , Internet [...]

  • Страница 123

    Appendix C Pop-up Windows, JavaScripts and Java Per m issions NXC-8160 User’s Guide 123 Figure 74 Security Setting s - Java S cripting 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 make sure that [...]

  • Страница 124

    Appendix C Pop-up Windows, JavaScripts and Java Perm issions NXC-8160 User’s Guide 124 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> under Java (Sun) is sele cted. 3 Click OK to clos e the window . Figure 76 Java (S un) Mozilla Firefox Mozilla Fi[...]

  • Страница 125

    Appendix C Pop-up Windows, JavaScripts and Java Per m issions NXC-8160 User’s Guide 125 Figure 77 Mozilla Firefox: T ools > Options Click Content .to show the screen below . Select the check boxes as shown in the follo wing screen. Figure 78 Mozilla Firefox Content Security[...]

  • Страница 126

    Appendix C Pop-up Windows, JavaScripts and Java Perm issions NXC-8160 User’s Guide 126[...]

  • Страница 127

    NXC-8160 User’s Guide 127 A PPENDIX D 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). An y time two or more wirel[...]

  • Страница 128

    Appendix D Wireless LANs NXC-8160 User’s Guide 128 Figure 80 Basic Service Set ESS An Extended Service Set (ESS) consists of a series of overlappi ng BSSs, each containing an access point, with each access point connected together by a wired network. This wired connection between APs is called a Distribution System (DS). This type of wireless LAN[...]

  • Страница 129

    Appendix D Wireless LANs NXC-8160 User’s Guide 129 Figure 81 Infrastructure WLAN Channel A channel is the radio frequency(ies) used by wireless devices to transmit and receive data. Channels available depend on your g eographical area. Y ou may have a choice o f channels (for your region) so you should use a channel different from an adjacent AP [...]

  • Страница 130

    Appendix D Wireless LANs NXC-8160 User’s Guide 130 Figure 82 RTS / CT S When station A sends data to the AP , it might not 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 for bo[...]

  • Страница 131

    Appendix D Wireless LANs NXC-8160 User’s Guide 131 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. Preamble T ype Preamble is used to signal that d[...]

  • Страница 132

    Appendix D Wireless LANs NXC-8160 User’s Guide 132 W ireless security methods availa ble on the NX C-8160 are data encryption, wireless client authentication, restricting a ccess by device MAC address and hiding the NXC-8160 identity . The following figure shows th e relative effectiveness of th ese wireless security methods available on your NXC[...]

  • Страница 133

    Appendix D Wireless LANs NXC-8160 User’s Guide 133 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 your AP acts as a message rela y between the wireless client and the network RADI[...]

  • Страница 134

    Appendix D Wireless LANs NXC-8160 User’s Guide 134 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). A certificate (als o called digital IDs) can be used to authenticate users and a CA issu es certificates and guar antees the identity of each [...]

  • Страница 135

    Appendix D Wireless LANs NXC-8160 User’s Guide 135 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, it i[...]

  • Страница 136

    Appendix D Wireless LANs NXC-8160 User’s Guide 136 Encryption Both WP A and WP A2 improve data encryp tion by using T emporal Key Integrity Protocol (TKIP), Message Integrity Check (MIC) and IE EE 802.1x. WP A and WP A2 use Advanced Encryption S tandard (AES) in the Counter mode with Cipher block chaining Message authentication code Protocol (CCM[...]

  • Страница 137

    Appendix D Wireless LANs NXC-8160 User’s Guide 137 Wireless Client WP A Supplicant s A wireless client supplicant is the software that runs on an operating system instructing the wireless client how to use WP A. At the time of writing, the most widely available supplicant is the WP A patch for W indows XP , Funk Software's Odyssey client. Th[...]

  • Страница 138

    Appendix D Wireless LANs NXC-8160 User’s Guide 138 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, the PMK and information exchanged in a handshake to create tempor[...]

  • Страница 139

    Appendix D Wireless LANs NXC-8160 User’s Guide 139 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 . Positioning the antennas properly increas[...]

  • Страница 140

    Appendix D Wireless LANs NXC-8160 User’s Guide 140 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. For omni-directional ante[...]

  • Страница 141

    NXC-8160 User’s Guide 141 A PPENDIX E 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 whole, transcribed, stored in a retrieval system, tran slated into any language, or transmitted in any form or by any means, el ectronic, mechanical , [...]

  • Страница 142

    Appendix E Legal In formation NXC-8160 User’s Guide 142 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. 2 Incre[...]

  • Страница 143

    Appendix E Legal Information NXC-8160 User’s Guide 143 Vie wing Certifications 1 Go to http://www .zyxel.com . 2 Select your product on the ZyXEL home pag e to go to that product's page. 3 Select the certification you wish to view from this page. ZyXEL Limited W arranty ZyXEL warrants to the original en d user (purchaser) that this product i[...]

  • Страница 144

    Appendix E Legal In formation NXC-8160 User’s Guide 144[...]

  • Страница 145

    Appendix F Customer Support NXC-8160 User’s Guide 145 A PPENDIX F W EB : 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. • Brief description of the problem and the steps [...]

  • Страница 146

    Appendix F Custom er Support NXC-8160 User’s Guide 146 • Fax: +420-241-091 -359 • W eb: www .zyxel.cz • Re g u l a r Ma i l : ZyXEL C ommunications, 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.dk • T elephone: +45-39-55-07-00 • Fax:[...]

  • Страница 147

    Appendix F Customer Support NXC-8160 User’s Guide 147 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 .zyxel.in • Re g u l a r Ma i l : India - ZyXEL T echnology Indi a Pvt Ltd. , I I - Fl o o r, F2[...]

  • Страница 148

    Appendix F Custom er Support NXC-8160 User’s Guide 148 • Re g u l a r M a i l: ZyXEL Communications Inc., 1 130 N. Miller St., Anaheim, CA 92806- 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 .zyxel.no • Re g u l a r M a i l : Zy[...]

  • Страница 149

    Appendix F Customer Support NXC-8160 User’s Guide 149 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 u l ar M a il : ZyXEL Communications A/S, Sjö porten 4, 41764 Götebor g, Sweden Thailand • Support E-mail: support@zyxel.co[...]

  • Страница 150

    Appendix F Custom er Support NXC-8160 User’s Guide 150[...]

  • Страница 151

    Index NXC-8160 User’s Guide 151 Index A About 30 Access point See also AP . access point 48 Advanced Encryption St andard See AES. AES 136 alternative subnet mask notation 111 antenna directional 139 gain 139 omni-directional 139 AP 48 See also access point. AP (access point) 129 applications 23 B Basic Service Set, See BSS 127 BSS 127 C CA 134 C[...]

  • Страница 152

    Index NXC-8160 User’s Guide 152 See IANA 11 6 IP address private 36 L LAN 38 local (user) database 48 and encryption 49 M maintenance 69 Management Information Base. See MIB. managing the device good habits 25 using T elnet. See command interface. using the command interface. See command interface. Message Integrity Check (MIC) 136 MIB 64 N NA T [...]

  • Страница 153

    Index NXC-8160 User’s Guide 153 U user authentication 48 local (user) database 48 RADIUS server 48 weaknesse s 49 Username Default 27 V Virtual Local Area Network see VLAN VLAN 37 VLAN tagging 37 W warranty 143 note 143 web configurator 27 WEP key 57 Wi-Fi Protected Access 13 5 wireless client 48 wireless client WP A supplicants 137 wireless LAN [...]

  • Страница 154

    Index NXC-8160 User’s Guide 154[...]

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    Index NXC-8160 User’s Guide 155[...]

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    Index NXC-8160 User’s Guide 156[...]

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    Index NXC-8160 User’s Guide 157[...]

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    Index NXC-8160 User’s Guide 158[...]

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    Index NXC-8160 User’s Guide 159[...]

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    Index NXC-8160 User’s Guide 160[...]