Manuale d’uso / di manutenzione del prodotto NWA1121NI del fabbricante ZyXEL Communications
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www .zyxel.com www .zyxel.com NW A1 121-NI 802.1 1b/g/n PoE Access Point IMPORT ANT! READ CAREFULL Y BEFORE USE. KEEP THIS GUIDE FOR FUTURE REFERENCE. Copyright © 2012 ZyXEL Communications Corporation V ersion 1.00 Edition 1, 03/2012 Default Login Details IP Address http://192.
NWA1121-NI User’s Guide 2 IMPORT ANT! READ CAREFULL Y BEFORE USE. KEEP THIS GUIDE FOR FUTURE REFERENCE. Graphics in this book ma y differ slightly from the product due to difference s in oper ating systems, operating system versions, or if y ou installed updated firmware/software fo r your device.
Contents Overview NWA1121-NI User’s Guide 3 Contents Overview User ’ s Guide ......................................................................................... ......................... ....................... 9 Introducing the NWA1 121-NI .
Contents Overview NWA1121-NI User’s Guide 4.
Table of Conten ts NWA1121-NI User’s Guide 5 Table of Contents Contents Overview .............................................................................. ............................... ................. 3 Table of Contents ...................
Table of Contents NWA1121-NI User’s Guide 6 4.1 How to Configure the Wirele ss LAN .... ... ... ............. ... .... ... ... ............. ... ... .... ... ............. ... ... ... .... . ......... 29 4.1.1 Choosing the Wireless Mo de ..... .....
Table of Conten ts NWA1121-NI User’s Guide 7 6.6.2 Security: 802.1x Only ................ ............. ................ ............. ................ ................ ......... ....... .... 77 6.6.3 Security: 802.1x S tatic WEP ............... ...
Table of Contents NWA1121-NI User’s Guide 8 10.1 Overview . ................ ............. ................ ............. ................ ............. ................ ......... .............. ........ 1 15 10.2 What Y o u Can Do in this Chapter .
9 P ART I User ’ s Guide.
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NWA1121-NI User’s Guide 11 C HAPTER 1 Introducing the NWA1121-NI This chapter introduces the main applications an d features of the NW A1121-NI. It also discusses the ways y ou can manage your NW A1121-NI. 1.1 Introducing the NW A1 121-NI Y o ur NWA1121-NI is an IPv6 wireless AP (Acces s P oint) that can function in several wireless modes.
Chapter 1 Introducing the NWA1121-NI NWA1121-NI User’s Guide 12 Multiple BSS (MBSSID) mode, the NWA1121-NI provid es multiple virtual APs, each forming its own BSS and using its own individual SSID profile. Y o u can configure multiple SSID profiles, and ha ve all of them active at any one time.
Chapter 1 Introdu cing the NWA1121-NI NWA1121-NI User’s Guide 13 1.2.2 Wireless Client The NWA1121-NI can be used as a wireless client to communicate with an existing network. In the figure below , the printer can receive requests from the wired computer clients A and B via the NW A1121-NI in Client mode ( Z ).
Chapter 1 Introducing the NWA1121-NI NWA1121-NI User’s Guide 14 1.2.3 Root AP In Root AP mode, the NW A1121-NI ( Z ) can act as the root AP in a wireless network and also allow repeaters ( X and Y ) to extend the r ange of its wireless network at the same time.
Chapter 1 Introdu cing the NWA1121-NI NWA1121-NI User’s Guide 15 between associated wireless clients and the wired LAN. Clients A , B and C access the AP and the wired network behind the AP throught repeaters Z and Y .
Chapter 1 Introducing the NWA1121-NI NWA1121-NI User’s Guide 16 1.4 Configuring Y our NW A1 121-NI’ s Security Features Y o ur NWA1121-NI comes with a v ariety of security features. This section summarizes these features and provides links to sections in the Us er’ s Guide to configure security settings on your NWA1121-NI.
Chapter 1 Introdu cing the NWA1121-NI NWA1121-NI User’s Guide 17 • Back up the configur ation (and make sure y ou know how to restore it). R estoring an earlier working configur ation may be useful if the devi ce becomes unstable or even crashes.
Chapter 1 Introducing the NWA1121-NI NWA1121-NI User’s Guide 18.
NWA1121-NI User’s Guide 19 C HAPTER 2 Introducing the Web Configurator This chapter describes how to access the NWA1121-NI ’ s web configurator and provides an overview of its screens.
Chapter 2 Introducing the Web Configurator NWA1121-NI User’s Guide 20 Note: If yo u do not change the password, the following screen appears every time you login. Figure 7 Change Password Screen Y o u should now see the Dashboard screen. See Chapter 2 on page 19 for details about the Dashboard screen.
Chapter 2 Introducing the Web Configurator NWA1121-NI User’s Guide 21 factory-default configur ation file. This means th at you will lose all the se ttings you previously configured. The password will be reset to “123 4” . Figure 8 The RESET Button 2.
Chapter 2 Introducing the Web Configurator NWA1121-NI User’s Guide 22 2.3 Navigating the W eb Configurator The following summarizes how to na vigate the web configur ator from the Dashboard screen.
Chapter 2 Introducing the Web Configurator NWA1121-NI User’s Guide 23 2.3.2 Navigation Panel Use the menu items on the navigation pan el to op en screens to configure NW A1121-NI features.
Chapter 2 Introducing the Web Configurator NWA1121-NI User’s Guide 24 2.3.3 Main Window The main window displays information and configurat ion fields. It is discussed in the rest of this document. Configuration File Use this scre en to backup and restore your device’s configuration (settings) or reset the factory defau lt settings.
NWA1121-NI User’s Guide 25 C HAPTER 3 Dashboard The Dashboard screens display when you log into the NW A1121-NI, or click Dashboard in the navigation menu. Use the Dashboard screen to look at the current status of the device, system resources, and interfaces.
Chapter 3 Dashboard NWA1121-NI User’s Guide 26 The following table describes the labels in this screen. T able 3 The Dashbo ard Screen LABEL DESCRIPTION Refresh Interval Selec t how often you want the NW A1121-NI to update th is screen. Refresh Now Click this to upda te this scre en immediately .
Chapter 3 Dashbo ard NWA1121-NI User’s Guide 27 Current Date/Time This field displa ys the date and time configu red on the NW A1121-NI. Y ou can change this in the Maintenance > Time screen. System Resource CPU Usage This field displa ys what percentage of the NW A1121-NI’ s processing ability is currently being used.
Chapter 3 Dashboard NWA1121-NI User’s Guide 28.
NWA1121-NI User’s Guide 29 C HAPTER 4 Tutorial This chapter first pro vides an ov erview of how to configure the wireless LAN on your NW A1121-NI, and then gives step-by-step guidelines showin g how to con figure your NW A1121-NI for some example scenarios.
Chapter 4 Tutorial NWA1121-NI User’s Guide 30 6.4.4 on page 69 ) to provide multiple wireless networks. Each wireless network will cater to a different type of user .
Chapter 4 Tutorial NWA1121-NI User’s Guide 31 T o configure these settings, you need to know the Media Access Control (MAC) addresses of the devices you want to allow u sers of the guest network to access. The following table shows the addresses used in this example.
Chapter 4 Tutorial NWA1121-NI User’s Guide 32 4.2.1.1 MBSSID 1 Go to Wireless LAN > Wireless Settings . Select MBSSID from the Operation Mode drop-down list box. 2 SSID01 is the standard network, so select SSID01 as the first profile. It is alwa ys active.
Chapter 4 Tutorial NWA1121-NI User’s Guide 33 4.2.2 Configure the S t andard Network 1 Click Wireless LAN > SSID . Click the Edit icon next to SSID01 .
Chapter 4 Tutorial NWA1121-NI User’s Guide 34 3 Next, click Wireless LAN > Security . Click the Edit icon next to SecProfile1 . 4 Since SSID01 is the standard network that has access to all resources, assign a more secure security mode. Select WPA2-PSK-MIX as the Security Mode , and enter the Pre-Shared K ey .
Chapter 4 Tutorial NWA1121-NI User’s Guide 35 3 Select WMM_VOICE in the QoS field to give V oIP the highest priority in the wireless network. Click Apply .
Chapter 4 Tutorial NWA1121-NI User’s Guide 36 5 Select WPA2-PSK as the Security Mode , and enter the Pre-Shared K ey . In this example, use ThisisVoIPPreSharedKey . Click Apply . 6 Y o ur V oIP wireless network is now re ady to u se. Any tr affic using th e VoIP_SSID profile will be given the highest priority across the wireless network.
Chapter 4 Tutorial NWA1121-NI User’s Guide 37 4 Select the check -box of Intra-BSS Traffic blocking Enabled . Click Apply . 5 Next, click Wireless LAN > Security . Click the Edit icon next to SecProfile3 . 6 Select WPA-PSK in the Security Mode field.
Chapter 4 Tutorial NWA1121-NI User’s Guide 38 7 Enter the PSK you want to use in y our network in the Pre Sh ared Key field. In this example, the PSK is ThisismyGuestWPA pr e-sharedk ey . Click Apply . 8 Y o ur guest wireless network is now ready to use.
Chapter 4 Tutorial NWA1121-NI User’s Guide 39 to allow wireless traffic between B and wireless clients connected to A ( W , Y and Z ). Other wireless devices ( X ) must not be able to connect to the FTP server . Figure 1 1 F TP Server Connected to a Wireless Client 4.
Chapter 4 Tutorial NWA1121-NI User’s Guide 40 Log into the W eb Configur ator on NWA1121-NI ( A ) and go to the Wireless LAN > Wireless Settings screen. 1 Set the Operation Mode to Root AP . 2 Select the Wireless Mode . In this example, select 802.
Chapter 4 Tutorial NWA1121-NI User’s Guide 41 6 Go to Wireless LAN > SSID . Click the Edit icon next to Profile1 . 7 Change the SSID to AP-A . 8 Select SecProfile1 in the Security field. 9 Select the check -box for Intra-BSS Traffic blocking Enabled so the client cannot access other clients on the same wireless network.
Chapter 4 Tutorial NWA1121-NI User’s Guide 42 11 Go to Wireless LAN > Security . Click the Edit icon next to SecProfile1 . 12 Configure WPA-PSK as the Securit y Mode and enter ThisisMyPreSharedKey in the Pre- Shared Key field. 13 Click Apply to finish configuration for NW A1121-NI ( A ).
Chapter 4 Tutorial NWA1121-NI User’s Guide 43 1 Select Client as Operation Mode . Click Apply . 2 Click on the Site Survey button. A window should pop up wh ich contains a list of all av ailable wireless devices within your NWA1121-NI’ s r ange. 3 Find and select NWA1121-NI ( A )’ s SSID : AP-A .
Chapter 4 Tutorial NWA1121-NI User’s Guide 44 4 Go to Wireless LAN > Security to configure the NWA1121-NI to use the same security mode and Pre-Shared K ey as NWA1121-NI ( A ): WP A-PSK/This isMyPreShar edKey .
Chapter 4 Tutorial NWA1121-NI User’s Guide 45 4.3.5 T esting the Conne ction and T roubleshooting This section discusses how you can check if you have correctly configured your network setup as described in this tutorial. • T ry accessing the F TP server from wireless clients W, Y or Z .
Chapter 4 Tutorial NWA1121-NI User’s Guide 46.
47 P ART II T echnical Reference The appendices provide general information. Some details may not apply to your NW A1121-NI..
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NWA1121-NI User’s Guide 49 C HAPTER 5 Monitor 5.1 Overview This chapter discusses read-only information related to the device state of the NWA1121-NI.
Chapter 5 Monitor NWA1121-NI User’s Guide 50 Click Monitor > Logs . Figure 13 Logs The following table describes the labels in this screen. 5.4 S t atistics Use this screen to view read-only information, including 802.11 Mode , Channel ID, R etry Count and FCS Error Count.
Chapter 5 Monitor NWA1121-NI User’s Guide 51 Click Monitor > Stat istics . The following screen pops up. Figure 14 Statistics The following table describes the labels in this screen. 5.5 Association List View the wireless devices that are currently associated with the NWA1121-NI in the Association List screen.
Chapter 5 Monitor NWA1121-NI User’s Guide 52 Click Monitor > Association List to display the screen as shown next. Figure 15 Association List The following table describes the labels in this screen. 5.6 Channel Usage Use this screen to know whether a channel is used by another wireless network or not.
Chapter 5 Monitor NWA1121-NI User’s Guide 53 W ait a moment while the NW A1121-NI compiles the information. Figure 16 Channel Usage The following table describes the labels in this screen.
Chapter 5 Monitor NWA1121-NI User’s Guide 54.
NWA1121-NI User’s Guide 55 C HAPTER 6 Wireless LAN 6.1 Overview This chapter discusses the steps to configure th e Wireless Settings screen on the NW A1121-NI.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 56 6.3 What Y ou Need T o Know BSS A Basic Service Set (BSS) exists when all communications between wireles s clients or between a wireless client and a wired network client go through on e access point (AP).
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 57 Wireless Mode The IEEE 802.1x standard was designed to extend the features of IEEE 802.11 to s upport extended authentication as well as providing additional accounting and control features. Y our NWA1121-NI can support 802.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 58 User Authentication Authentication is the process of verifying whethe r a wireless device is allowed to use the wireless network. Y ou can make every user log in to the wi reless network before they can use it.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 59 Passphrase A passphrase functions lik e a password. In WEP security mode, it is fu rther converted by the NW A1121-NI into a complicated string that is referred to as the “key” . This key is requested from all devices wishing to connect to a wirele ss network.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 60 In the figure above, wireless clients A and B are trying to access the Internet via the NWA1121-NI. The NWA1121-NI in turn queries the RADIUS server if the identity of clients A and U are allowed access to the Internet.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 61 6.4.1 Root AP Mode Use this screen to use your NW A1121-NI as an access point. Select Root A P as the Operation Mode .
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 62 The followi ng table describ es the gener a l wireless LAN labels in this screen. T able 10 Wireless LAN > Wireless Settings: Root AP LABEL DESCRIPTION Basic Settin gs Wireless LAN Interface Select the check bo x to turn on the wireless LAN on the NW A1121-NI.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 63 Adv anced S etting s Beacon Interval When a wireless ly network devi ce sends a beacon, it includes with it a beacon inter val. This specifies the t ime period before the device se nds the beacon again.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 64 6.4.2 Repeater Mode Use this screen to have the NW A1121-NI act as a wireless repeater . Y ou need to know the MAC address of the peer device, which also must be in Repeater or Root AP mode.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 65 Wireless Mode Select 802.11b/g to allow both IEEE802.11b and IEEE802.11g compl iant WLAN devices to associate with the NWA1121-NI. The transmission rate of your NWA1121-NI might be reduced. Select 802.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 66 Preamble T ype Select Dynamic to ha ve the AP automa tically use short preamble wh en wireless adapters support it, otherwise the AP uses long preambl e.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 67 6.4.3 Wireless Client Mode Use this screen to turn your NW A1121-NI into a wireless client. Select Client as the Operation Mode .
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 68 SSID Pr ofi le The SSID (Service Set IDentifier) id entifies th e Service Set with which a wireless station is associated. Wire less stations as sociating to the acc ess point (AP) mu st have the same SSID.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 69 6.4.4 MBSSID Mode Use this screen to have the NW A1121-NI function in MBSSID mode. Select MBSSID as the Operation Mode . The following screen diplays. Figure 23 Wireless LAN > Wireless Settings: MBSSID Short GI Select Enabled to use Short GI (Guard Interv al).
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 70 The following table describes the labels in this screen. T able 13 Wireless LAN > Wireless Settings: MBSSID LABEL DESCRIPTION Basic Settin gs Wireless LAN Interface Select the check bo x to turn on the wireless LAN on the NW A1121-NI.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 71 Preamble T ype Select Dynamic to ha ve the AP automa tically use short preamble wh en wireless adapters support it, otherwise the AP uses long preambl e.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 72 6.5 SSID Screen Use this screen to view and modify the settings of the S SID profiles on the NWA1121-NI. Click Wireless LAN > SSID to display the screen as shown. Figure 24 Wireless LAN > SSID The following table describes the labels in this screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 73 6.5.1 Configuring SSID Use this screen to configure an SSID profile. In the Wireless LAN > SSID screen, click Ed it next to the SSID profile you want to configure to display the following screen. Figure 25 SSID : E dit The following table describes the labels in this screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 74 6.6 Wireless Security Screen Use this screen to choose the security mode for your NW A1121-NI. Click Wireless LAN > Security . Select the profile that you want to configure and click Edit . Figure 26 Wireless > Security BSSID VLAN ID Enter a VLAN ID for the SSID profile.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 75 The Security Settings screen varies depending upon th e security mode you select. Figure 27 Security: None Note that some screens display differently de pending on the operating mode selected in the Wireless LAN > Wireless Settings screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 76 6.6.1 Security: WEP Use this screen to use WEP as the security mode for your NW A1121-NI. Select WEP in the Security Mode field to display the following screen. Figure 28 Security: WEP The following table describes the labels in this screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 77 6.6.2 Security: 802.1x Only This screen varies depending on the oper ating mode you select in the Wireless LAN > Wireless Settings screen. 6.6.2.1 Access Point Use this screen to use 802.1x-Only security mode for your NW A1121-NI that is in root AP , MBSSID or repeater operating mode.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 78 6.6.2.2 Wireless Client Use this screen to use 802.1x-Only security mode for your NW A1121-NI that is in wireless client operating mode. Select 802.1x-Only in the Security Mode field to display the following screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 79 6.6.3 Security: 802.1x S t atic WEP This screen varies depending on the oper ating mode you select in the Wireless LAN > Wireless Settings screen. Security Mode Choose the same securi ty mode used by the AP .
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 80 6.6.3.1 Access Point Use this screen to use 802.1x static WEP security mode for your NWA1121-NI that is in root AP , MBSSID or repeater oper ating mode. Select 802.1X-Static WEP in the Security Mode field to display the following screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 81 Ke y 1 t o Ke y 4 The WEP keys are used to enc rypt data. Both the NW A1121-NI and the wireless stat ions must use the s ame WEP ke y for data transmission. If you chose 64-bit WEP , th en enter any 5 ASCII char acters or 10 hexadecimal charac ters ("0-9", "A -F").
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 82 6.6.3.2 Wireless Client Use this screen to use 802.1x-Only security mode for your NW A1121-NI that is in wireless client operating mode. Select 802.1X-Static WEP in the Secur ity Mode field to display the following screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 83 6.6.4 Security: WP A, WP A2, WP A2-MIX This screen varies depending on the oper ating mode you select in the Wireless LAN > Wireless Settings screen. Data Encryption Select 64-bit WEP or 128-bit WEP to enable data encryption .
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 84 6.6.4.1 Access Point Use this screen to employ WP A or WP A2 as the security mode for your NW A1121-NI that is in root AP , MBSSID or repeater operating mode. Select WPA , WPA2 or WPA2-MIX in the Security Mode field to display the following screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 85 6.6.4.2 Wireless Client Use this screen to employ WP A or WP A2 as the security mode for your NW A1121-NI that is in wireless client operating mode. Select WPA or WPA2 in the Security Mode field to display the following screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 86 6.6.5 Security: WP A-PSK, WP A2-PSK, WP A2-PSK-MIX Use this screen to employ WP A -PSK, WP A2-PSK or WPA 2-PSK -MIX as th e security mode of your NWA1121-NI. Select WPA-PSK , WPA2-PSK or WPA2-PSK-MIX in the Security Mode field to display the following screen.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 87 6.7 RADIUS Screen Use this screen to set up your NW A1121-NI’ s RADIUS server settings. Click Wireless LAN > RADIUS . The screen appears as shown. Figure 36 Wireless LAN > RADIUS Select a profile you want to configure and click Edit .
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 88 The following table describes the labels in this screen. T able 24 Wireless LAN > RADIUS LABEL DESCRIPTION Profile N ame This is t he name that identifyin g this RADIU S profile.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 89 6.8 MAC Filter Screen Every Ethernet device has a unique MAC (Media Access Control) address. The MAC address is assigned at the factory and consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 90 Use this screen to enable MAC address filtering in your NWA1121-NI. Y ou can specify MAC addresses to either allow or deny association with your NW A1121-NI. Click Wireless LAN > MAC Filter . The screen displays as shown.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 91 The following table describes the labels in this screen. 6.9 T echnical Reference This section provides technical background inform ation about the topics covered in this chapter . Re fe r to Appendix D on page 179 for further readings on Wireless LAN.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 92 6.9.2 WMM QoS WMM (Wi-Fi MultiMedia) QoS (Quality of Service) en sures quality of service in wireless networks. It controls WLAN transmission priorit y on packets to be tr ansmitted over the wireless network.
Chapter 6 Wireless LAN NWA1121-NI User’s Guide 93 6.9.3 Security Mode Guideline The following is a general guideline in choosing the security mode for your NW A1121-NI. • Use WP A(2)-PSK if you have WP A(2)-aw are wireless clients but no RADIUS server .
NWA1121-NI User’s Guide 94 C HAPTER 7 LAN 7.1 Overview This chapter describes how you can configure the IP address of your NW A1121-NI. The Internet Protocol (IP) address identifies a device on a network. Ev ery networking device (including computers, servers, routers, printers , etc.
Chapter 7 LAN NWA1121-NI User’s Guide 95 IPv6 IPv6 (Internet Protocol version 6), is designed to enhance IP address size and features. The increase in IPv6 address size to 128 bits (from the 32-bit IPv4 address) allows up to 3.4 x 10 38 IP addresses.
Chapter 7 LAN NWA1121-NI User’s Guide 96 7.4 LAN IP Screen Use this screen to configure the IP address for your NWA1121-NI. Click Network > LAN to display the following screen. Figure 42 LAN IP The following table describes the labels in this screen.
Chapter 7 LAN NWA1121-NI User’s Guide 97 IPv6 Address Assignme nt Enable Stateful Address Auto- configuration Select this to turn on IPv6 statef ul autoco nfiguration to have the NWA1121-NI obtain an IPv6 global address from a DH CPv6 server in your netwo rk.
NWA1121-NI User’s Guide 98 C HAPTER 8 VLAN 8.1 Overview This chapter discusses how to configure the NW A1121-NI’s VLAN settings. Figure 43 Management VLAN Se tup In the figure above, to access and.
Chapter 8 VLAN NWA1121-NI User’s Guide 99 VLAN also increases network performance by limiting broadcasts to a smaller and more manageable logical broadcast domain. In traditional switched environments, all broadcast pack ets go to each and every individual port.
Chapter 8 VLAN NWA1121-NI User’s Guide 100.
NWA1121-NI User’s Guide 101 C HAPTER 9 System 9.1 Overview This chapter shows you how to enable remote management of your NWA1121-NI. It provides information on determining whic h services or protocols can access which of the NWA1121-NI’ s interfaces.
Chapter 9 System NWA1121-NI User’s Guide 102 •U s e t h e Telnet screen to configure through which interface(s) and from which IP address(es) you can use T elnet to manage the NWA1121-NI. A T elnet connection is prioritized by the NWA1121-NI ov er other remote management sessions (see Section 9.
Chapter 9 System NWA1121-NI User’s Guide 103 The next figure illustrates an SNMP management oper ation. Figure 47 SNMP Management Mode An SNMP managed network consists of two main types of component: agents and a manager . An agent is a management software module that resides in a managed device (the NWA1121-NI).
Chapter 9 System NWA1121-NI User’s Guide 104 • Y o u may only have one remote management session running at one time. The NWA1121-NI automatically disconnects a remote management se ssion of lower priority when another remote management session of higher priority starts.
Chapter 9 System NWA1121-NI User’s Guide 105 T o change your NWA1121-NI’ s WWW settings, click System > WWW . The following screen shows. Figure 49 System > WWW The following table describes the labels in this screen. 9.5 Certificates Screen Use this screen to delete or import certificates.
Chapter 9 System NWA1121-NI User’s Guide 106 Click System > Cert ificates . The following sc reen shows. Figure 50 System > Certificates The following table describes the labels in this screen. 9.6 T elnet Screen Use this screen to configure your NW A1121-NI for remote T elnet acce ss.
Chapter 9 System NWA1121-NI User’s Guide 107 The following table describes the labels in this screen. 9.7 SNMP Screen Use this screen to have a manager station admi nistr ate your NW A1121-NI over the network and configure SNMP accounts on the SNMP v3 m anage r .
Chapter 9 System NWA1121-NI User’s Guide 108 manager . T o change your NWA1121-NI’ s SNMP settings, click System > SNMP . The following screen displays.
Chapter 9 System NWA1121-NI User’s Guide 109 Server Acce ss Select the interface(s) through which a compute r may access the NW A1121-NI using SNMP and to which th e IP an d MAC filtering rules you sp ecified below are applied. Otherwise, sele ct Disable to allow any computer to ac cess the NW A1121-NI through any interface using SNMP .
Chapter 9 System NWA1121-NI User’s Guide 11 0 9.8 FTP Screen Use this screen to upload and download the NWA1121- NI ’s f ir mwa r e u si n g F T P . T o u se t hi s f ea t ur e , your computer must ha ve an FTP client. T o change your NWA1121-NI’ s FTP settings, click System > FTP .
Chapter 9 System NWA1121-NI User’s Guide 111 The following table describes the labels in this screen. 9.9 T echnical Reference This section provides some technical background information about the topics co vered in this chapter .
Chapter 9 System NWA1121-NI User’s Guide 11 2 9.9.2 Supported MIBs The NWA1121-NI supports MIB II that is defined in RFC -1213 and RFC-1215 as well as the proprietary ZyXEL priv ate MIB. The purpose of the MI Bs is to let administr ators collect statistical data and monitor status and performance.
Chapter 9 System NWA1121-NI User’s Guide 11 3 2 Make sure that the certificate has a “.cer” or “.crt” file name extension. Figure 54 Certificates on Y ou r Computer 3 Double-click the certificate’ s icon to open the Certificate window. Click the Details tab and scroll down to the Thumbprint Algorithm and Thumbp rint fiel ds.
Chapter 9 System NWA1121-NI User’s Guide 11 4.
NWA1121-NI User’s Guide 11 5 C HAPTER 10 Log Settings 10.1 Overview This chapter provides information on viewing and generating logs on your NWA1121-NI. Logs are files that contain recorded network ac tivit y over a set period. They are used by administrators to monitor the h ealth of th e system(s) they are managing.
Chapter 10 Log Settings NWA1121-NI User’s Guide 11 6 10.3 What Y ou Need T o Know Alert s and Logs An alert is a type of log that warr ants more serious attention. Some categories such as System Error consist of both logs and alerts. Y ou can differentiate them by their color in the Monitor > Logs screen.
Chapter 10 Log Settings NWA1121-NI User’s Guide 11 7 T o change your NWA1121-NI’ s log settings, click Con figuration > Log Settings . The screen appears as shown.
Chapter 10 Log Settings NWA1121-NI User’s Guide 11 8 SMTP Authentica tion SMTP (Simple Mail T r ansfer Protocol) is the message-exchange standard for the Internet. Sele ct the check box to activate SMTP authenti cation. If mail server authenticatio n is needed but this fea ture is disabled, you will not receive the e-mail logs.
NWA1121-NI User’s Guide 11 9 C HAPTER 11 Maintenance 1 1.1 Overview This chapter describes the maintenance screens. It discusses how you can upload new firmw are, manage configuration and restart your NW A1121-NI without turning it off and on.
Chapter 11 Maintenance NWA1121-NI User’s Guide 120 1 1.3 What Y ou Need T o Know Y o u can find the firmware for your device at ww w. zyxel.com. It is a file that (usually) uses the system model name with a "*.bin" extension, for example "[Model #].
Chapter 11 Ma intenance NWA1121-NI User’s Guide 121 1 1.5 Password Screen Use this screen to control access to your NW A1121-NI by assigning a password to it. Click Maintenance > Password . The following screen displays. Figure 60 Maintenance > Password The following table describes the labels in this screen.
Chapter 11 Maintenance NWA1121-NI User’s Guide 122 1 1.6 Time Screen Use this screen to change your NW A1121-NI’ s time and date, click Maintenance > Time . The following screen displays. Figure 61 Maintenance > Time The following table describes the labels in this screen.
Chapter 11 Ma intenance NWA1121-NI User’s Guide 123 1 1.7 Firmware Upgrade Screen Use this screen to upload a firmware to your NW A1121-NI. Click Maintenance > Firmware Upgrade . F ollow the instructions in this section to upload firmware to your NW A1121-NI.
Chapter 11 Maintenance NWA1121-NI User’s Guide 124 1 1.8 Configuration File Screen Use this screen to backup, restore and re set the configuration of your NW A1121-NI. Click Maintenance > Configuration File . The screen appears as shown next. Figure 65 Maintenance > Configuration File 1 1.
Chapter 11 Ma intenance NWA1121-NI User’s Guide 125 The NWA1121-NI automatically restarts in this time causing a tempor ary network disconnect. In some operating systems, you may see the following icon on y our desktop.
Chapter 11 Maintenance NWA1121-NI User’s Guide 126 Click Restart to have the NW A1121-NI reboot. This does not affect the NWA1121-NI's configuration.
NWA1121-NI User’s Guide 127 C HAPTER 12 Troubleshooting This chapter offers some suggestions to solve problems you might encounter . The potential problems are divided into the following categories. • Po wer , Hardware Connections, and LEDs • NW A1121-NI Access and Login • Internet Access 12.
Chapter 12 Troublesh oo ti n g NWA1121-NI User’s Guide 128 12.2 NW A1 121-NI Access and Login I forgot the IP address for the NW A1121-NI. 1 The default IP address is 192.
Chapter 12 Troubleshooting NWA1121-NI User’s Guide 129 6 If the problem continues, contact the network admi nistrator or vendor , or try one of the adv anced suggestions. Advanced Suggestions • T ry to access the NWA1121-NI using another service, such as T elnet.
Chapter 12 Troublesh oo ti n g NWA1121-NI User’s Guide 130 5 If the problem continues, contact yo ur ISP . I cannot access the Internet an ymore. I had acc ess to the Internet (with the NWA 1121-NI), but my Internet c onnection is not av ailable anymore.
NWA1121-NI User’s Guide 131 A PPENDIX A Setting Up Y our Computer ’ s IP Address Note: Y our specific NW A1121-NI may not support all of t he operating systems descri bed in this appendix. See the pr oduct specific ations for more information about which operating systems are sup ported.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 132 1 Click Start > Control Panel . 2 In the Control Panel , click the Network Connections icon.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 133 4 On the General tab, select Internet Protocol (TCP/I P) and then click Properties .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 134 5 The Internet Protocol TCP/IP Properties window opens. 6 Select Obtain an IP address automatically if your network administrator or ISP assigns your IP address dynamically .
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 135 Windows V ist a This section shows screens from Windows Vista Professional. 1 Click Start > Control Panel . 2 In the Control Panel , click the Network and Internet icon.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 136 4 Click Manage network connections . 5 Right-click Local Area Connection and then select Properties . Note: During this procedure, cl ick Continue whenever Windows displa ys a screen saying that it needs your permissi on to continue.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 137 6 Select Internet Protocol Version 4 (TCP/IPv 4) and then select Properties .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 138 7 The Internet Protocol Version 4 (TCP/IPv4) Properties window opens. 8 Select Obtain an IP address automatically if your network administrator or ISP assigns your IP address dynamically .
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 139 Windows 7 This section shows screens from Windows 7 Enterprise. 1 Click Start > Control Panel . 2 In the Control Panel , click View network status and tasks under the Network and Intern et category .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 140 4 Double click Local Area Connection and then sele ct Properties . Note: During this procedure, cl ick Continue whenever Windows displa ys a screen saying that it needs your permissi on to continue.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 141 5 Select Internet Protocol Version 4 (TCP/IPv 4) and then select Properties .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 142 6 The Internet Protocol Version 4 (TCP/IPv4) Properties window opens. 7 Select Obtain an IP address automatically if your network administrator or ISP assigns your IP address dynamically .
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 143 3 The IP settings are displayed as follows. Mac OS X: 10.3 and 10.4 The screens in this section are from Ma c OS X 10.4 but can also apply to 10.3. 1 Click Apple > System Preferen ces .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 144 2 In the System Preferen ces window , click the Network icon. 3 When the Network preferences pane opens, select Built-in Et hernet from the network connection type list, and then click Config ure.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 145 4 For dynamically assigned settings, select Using DHCP from the Configur e IPv4 list in the TCP/IP tab. 5 For statically assigned settings, do the following: •F r o m t h e Configure IPv4 list, select Manually .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 146 V erifying Settings Check your TCP/IP properties by clicking Appli cations > Utilities > Network Utilities , and then selecting the appropriate Network Interface from the Info tab.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 147 2 In System Preferen ces , click the Network icon. 3 When the Network preferences pane opens, select Ethernet from the list of av ailable connection types. 4 From the Configure list, select Using DHCP for dynamically assigned settings.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 148 •F r o m t h e Configure list, select Manually . •I n t h e IP Address field, enter your IP address. •I n t h e Subnet Mask field, enter y our subnet mask. •I n t h e Router field, enter the IP address of your NW A1121-NI.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 149 V erifying Settings Check your TCP/IP properties by clicking Appli cations > Utilities > Network Utilities , and then selecting the appropriate Network interface from the Info tab.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 150 2 When the Network Settings window opens, click Unlock to open the Authenticate window. (By default, the Unlock button is greyed out until clicked.) Y ou cannot make changes to your configuration unless you first enter your admin password.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 151 4 In the Network Settings window, select the connection that you want to configure, then click Properties . 5 The Properties dialog box opens. •I n t h e Configuration list, select Automatic Configuration (DHCP ) if you have a dynamic IP address.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 152 7 If you know your DNS server IP address(es), click the DNS tab in the Network Settings window and then enter the DNS server information in the fields provided. 8 Click the Close button to apply the changes.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 153 V erifying Settings Check your TCP/IP properties by clicking System > Ad ministrati on > Network Tools , and then selecting the appropriate Network device from the Devices tab.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 154 1 Click K Menu > Computer > Administrator Settings (YaST) . 2 When the Run as Root - KDE su dialog opens, enter the admin password and click OK .
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 155 3 When the YaST Control Center window opens, select Network Devices and then click the Network Card icon. 4 When the Network Settings window opens, click the Overview tab, select the appropriate connection Name from the list, and then click the Configure button.
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 156 5 When the Network Card Setup window opens, click the Address tab Figure 72 openSUSE 10.3: Network Card S etup 6 Select Dynamic Address (DHCP) if you have a dyn amic IP address.
Appendix A Setting Up You r Computer’s IP Address NWA1121-NI User’s Guide 157 8 If you know your DNS server IP address(es), click the Hostname/DNS tab in Network Settings and then enter the DNS server information in the fields provided. 9 Click Finish to save your settings and close the window .
Appendix A Se tting Up Your Computer’s IP Address NWA1121-NI User’s Guide 158 When the Connection Status - KNetwork Manager window opens, click the Statistics tab to see if your connection is working properly .
NWA1121-NI User’s Guide 159 A PPENDIX B Pop-up Windows, JavaScript and Java Permissions In order to use the web configur ator you need to allow: • W eb browser pop-up windows from your device. • Jav aScript (enabled by default). • Jav a permissions (enabled by default).
Appendix B P o p-up Windows, JavaScript and Java Permissi ons NWA1121-NI User’s Guide 160 2 Clear the Block pop-ups check box in the Pop-up Blocker section of the screen. This disables any web pop-up blockers you may have enabled. Figure 76 Internet Options: Privacy 3 Click Apply to save this setting.
Appendix B Pop-up Windows, JavaScript and Java Permissions NWA1121-NI User’s Guide 161 2 Select Settings… to open the Pop-up Bloc ker Settings screen. Figure 77 Internet Options: Privacy 3 T ype the IP address of your device (the web page that you do not want to have block ed) with the prefix “http://” .
Appendix B P o p-up Windows, JavaScript and Java Permissi ons NWA1121-NI User’s Guide 162 4 Click Add to move the IP address to the list of Allowed sites . Figure 78 Pop-up Block er Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting.
Appendix B Pop-up Windows, JavaScript and Java Permissions NWA1121-NI User’s Guide 163 1 In Internet Explorer , click Tools , Internet Options and then the Security tab. Figure 79 Internet Options: Security 2 Click the Custom Level... button. 3 Scroll down to Scripting .
Appendix B P o p-up Windows, JavaScript and Java Permissi ons NWA1121-NI User’s Guide 164 6 Click OK to close the window. Figure 80 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click Tools , Internet Op ti ons and then the Secur ity tab.
Appendix B Pop-up Windows, JavaScript and Java Permissions NWA1121-NI User’s Guide 165 5 Click OK to close the window. Figure 81 Security Settings - Java JA V A (Sun) 1 From Internet Explorer , click Tools , Internet Op ti ons and then the Advanc ed tab .
Appendix B P o p-up Windows, JavaScript and Java Permissi ons NWA1121-NI User’s Guide 166 3 Click OK to close the window. Figure 82 Java (Sun) Mozilla Firefox Mozilla Firefox 2.0 screens are used here. Screens for other v ersions may vary slightly .
Appendix B Pop-up Windows, JavaScript and Java Permissions NWA1121-NI User’s Guide 167 Click Content to show the screen below . Select the check boxes as sho wn in the following screen. Figure 84 Mozilla Firefox Content Security Opera Opera 10 screens are used here.
Appendix B P o p-up Windows, JavaScript and Java Permissi ons NWA1121-NI User’s Guide 168 Allowing Pop-Ups From Opera, click Tools , then Preferences . In the General tab, go to Choo se how you prefer to handle pop-ups and select Open all pop-ups . Figure 85 Opera: Allowing Pop-Ups Enabling Java From Opera, click Tools , then Preferences .
Appendix B Pop-up Windows, JavaScript and Java Permissions NWA1121-NI User’s Guide 169 T o customize JavaScript behavior in the Oper a browser , click JavaScript Options . Figure 87 Opera: JavaScript Options Select the items you want Opera’ s Jav aScript to apply .
Appendix B P o p-up Windows, JavaScript and Java Permissi ons NWA1121-NI User’s Guide 170.
NWA1121-NI User’s Guide 171 A PPENDIX C IP Addresses and Subnetting This appendix introduces IP addresses a nd subnet masks. IP addresses identify individual devices on a network. Ev ery networking device (including computers, servers, routers, printers, etc.
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 172 The following figure shows an example IP address in which the first three octets (192.
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 173 Subnet masks can be referred to by the size of th e network number part (the bits with a “1” v alue). For example, an “8-bit mask” means that the first 8 bits of the mask are ones and the remaining 24 bits are zeroes.
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 174 The following table shows some possible subnet masks using both notations. Subnetting Y o u can use subnetting to divide one network into multiple sub-networks.
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 175 The following figure shows the company netw ork after subnetting . There are now two sub- networks, A and B .
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 176 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subn ets (000, 001, 010, 011, 100, 101, 110 and 11 1). Subnet Address: 192.168.1.0 Lowest Host ID: 192.16 8.1.1 Broadcast Address: 192.
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 177 The following table shows IP address last octet values for each subnet. Subnet Planning The following table is a summary fo r subnet planni ng on a network with a 24-bit network number .
Appendix C IP Addresses and Subnetting NWA1121-NI User’s Guide 178 Configuring IP Addresses Where you obtain your n etwork number depends on your particular situation. If the ISP or your network administrator assigns y ou a block of regist ered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask.
NWA1121-NI User’s Guide 179 A PPENDIX D Wireless LANs Wireless LAN T opologies This section discusses ad-hoc and infrastructure wireless LAN topologies. Ad-hoc Wireless LAN Configuration The simplest WLAN configuration is an indepe ndent (Ad-hoc) WLAN that connects a set of computers with wireless adapters (A, B, C).
Appendix D Wireless LANs NWA1121-NI User’s Guide 180 disabled, wireless client A and B can still access the wired network but cannot communicate with each other .
Appendix D Wireless LANs NWA1121-NI User’s Guide 181 An ESSID (ES S IDentification) uniquely identifies each ESS. All access points and their associated wireless clients within the same ESS must have the same ES SID in order to communicate.
Appendix D Wireless LANs NWA1121-NI User’s Guide 182 cannot "hear" each other , that is they do not know if the channel is currently being used. Therefore, they are considered hidden from each othe r . Figure 94 RT S / C TS When station A sends data to the AP , it might not know that the station B is already using the channel.
Appendix D Wireless LANs NWA1121-NI User’s Guide 183 If the Fragmentation Threshold value is smaller than the RTS/CT 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 fragmented before they reach RTS/CTS size.
Appendix D Wireless LANs NWA1121-NI User’s Guide 184 The following figure shows the relative effectivenes s of these wireless security methods available on your NW A 1121-NI. Note: Y ou must enable the same wireless secu rit y settings on the NW A1121-NI and on all wireless clients that y ou want to associate wit h it.
Appendix D Wireless LANs NWA1121-NI User’s Guide 185 RADIUS is a simple package exchange in wh ich your AP acts as a me ssage relay between the wireless client and the network RADIUS server .
Appendix D Wireless LANs NWA1121-NI User’s Guide 186 EAP-MD5 (Message-Dig est Algorithm 5) MD5 authentication is the simplest one-w ay authentication method.
Appendix D Wireless LANs NWA1121-NI User’s Guide 187 If this feature is enabled, it is not necessary to configure a default encryption k ey in the wireless security configuration screen. Y ou may still configure and store keys, but they will not be used while dynamic WEP is enabled.
Appendix D Wireless LANs NWA1121-NI User’s Guide 188 called Rijndael. They both include a per -packet key mixing function, a Message Integrity Check (MIC) named Michael, an extended initialization vector (IV) with se quencing rules, and a re-keying mechanism.
Appendix D Wireless LANs NWA1121-NI User’s Guide 189 WP A(2) with RADIUS Application Example T o set up WPA(2), you need the IP address of the RADIUS server , its port number (default is 1812), and the RADIUS shared secret. A WPA(2) applicat ion exa mple with an external RADIUS server looks as follows.
Appendix D Wireless LANs NWA1121-NI User’s Guide 190 4 The AP and wireless clie nts use the TKIP or AE S encryption process, the PMK and information exchanged in a handshake to create tempor al encryp tion keys. They use these keys to encrypt data exchanged between them.
Appendix D Wireless LANs NWA1121-NI User’s Guide 191 Po sitioning the antennas properly increases the range an d coverage area of a wireless LAN. Antenna Characteristics Frequency An antenna in the frequency of 2.
Appendix D Wireless LANs NWA1121-NI User’s Guide 192 F or directional antennas, point the antenna in the direction of th e desired cover age area..
NWA1121-NI User’s Guide 193 A PPENDIX E Legal Information Copyright Copyright © 2012 by Z yXEL Communications Corporation. The contents of this publication may not be repr oduced in any part or as .
Appendix E L egal Information NWA1121-NI User’s Guide 194 If this device does cause harmful interference to radio/television reception, which can be determined by turning the device off and on, th e user is encouraged to try to correct the interference by one or more of the following measures: 1 Reorient or relocate the receiving antenna.
Appendix E Legal Information NWA1121-NI User’s Guide 195 IC Radiation Exposure St atement This equipment complies with IC radiation ex posure limits set fo rth for an uncontrolled environment. End users must follow the specific op er ating instructions for satisfying RF exposure compliance.
Appendix E L egal Information NWA1121-NI User’s Guide 196 components without charge for either parts or labor , and to whatever extent it shall deem necessary to restore the product or components to proper operating condition.
Appendix E Legal Information NWA1121-NI User’s Guide 197 National Restrictions This product may be used in all EU countries (and other countries following the EU directive 1999/ 5/EC) without any li.
Appendix E L egal Information NWA1121-NI User’s Guide 198 Ce produit peut être utilisé dans tous les pays de l’UE (et dans tous les pays a yant transposés la directive 1999/5/CE) sans aucune li.
Appendix E Legal Information NWA1121-NI User’s Guide 199 Pour la bande 2.4 GHz, la puissance est limitée à 10 mW en p.i.r .e. pour les équipements utilisés en extérieur dans la bande 2454 - 2483.5 MHz. Il n'y a pas de restrictions pour des utilisations en intérieur ou dans d'autres parties de la bande 2.
Appendix E L egal Information NWA1121-NI User’s Guide 200 • Place connecting cabl es carefully so that no one will step on them or stumble over them . • Always disconnect all cabl es from this device before servic ing or disassembling. • Use ONL Y an appropriate power adaptor or cord for yo ur device.
Index NWA1121-NI User’s Guide 201 Index Numbers 802.1x-Only 58 802.1x-Static128 58 802.1x-Static64 58 A access privileges 12 Accounting Server 88 Advanced Encryption Standard See AES.
Index NWA1121-NI User’s Guide 202 E EAP 59 EAP Authentication 185 Encryption 59 , 76 , 80 , 83 , 85 encryption 14 , 187 ESS 56 , 180 Ethernet dev ice 89 Extended Service Set 56 Extended Service S et.
Index NWA1121-NI User’s Guide 203 Sys lo g 11 8 Logs, Uses of 11 5 M MAC Filter Allow Association 89 Deny Association 89 Maintenance 11 9 Association List 120 Backup 124 Re s t or e 124 Management I.
Index NWA1121-NI User’s Guide 204 R ootAP 14 RT S (Request T o Send) 182 threshold 181 , 182 RTS / C T S T h r es h o l d 63 , 66 , 68 , 71 , 91 S Security Mode, Choosing the 93 Security Modes 802.1x-Static64 58 IEEE 802.1x-Only 58 IEEE 802.1x-Static128 58 IEEE 802.
Index NWA1121-NI User’s Guide 205 Vo I P 12 , 73 W warranty 195 note 196 WDS 14 W eb Configurator 19 password 19 WEP 58 WEP key encrypting 93 Wi-Fi Multimedia QoS 92 Wi-Fi Protected Access 58 , 187 .
Index NWA1121-NI User’s Guide 206.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il ZyXEL Communications NWA1121NI è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del ZyXEL Communications NWA1121NI - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ZyXEL Communications NWA1121NI imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ZyXEL Communications NWA1121NI ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ZyXEL Communications NWA1121NI, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del ZyXEL Communications NWA1121NI.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il ZyXEL Communications NWA1121NI. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ZyXEL Communications NWA1121NI insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
