Manuale d’uso / di manutenzione del prodotto NWA-3550 del fabbricante ZyXEL Communications
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www.zyxel.com www.zyxel.com NWA-3500/NWA-3550 802.11a/g Dual Radi o Wireless Business AP 802.11a/g Dual Radio Ou tdoor WLAN Business AP Copyright © 2009 ZyXEL Communications Corporation Firmware Version 3.7 Edition 2, 8/2009 Default Login Details IP Address http://192.
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About This User's Guide NWA-3500/NWA-3550 User’s Guide 3 About This User's Guide Intended Audience This manual is intended for peo ple who want to configure the NWA using the web configurator. You should have at least a basic knowledge of TCP /IP networking concepts and topology.
About This User's Guide NWA-3500/NWA-3550 User’s Guide 4 Customer Support In the event of problems th at cannot be solved by using this manual, you should contact your vendor. If you cannot contact your vendor, then contact a ZyXEL office for the region in which you boug ht the device.
Document Conventions NWA-3500/NWA-3550 User’s Guide 5 Document Conventions Warnings and Notes These are how warnings and notes ar e shown in this User’s Guide.
Document Conventions NWA-3500/NWA-3550 User’s Guide 6 Icons Used in Figures Figures in this User’s Guide may use the following generic icon s. The NWA icon i s not an exact representation of your NWA.
Safety Warnings NWA-3500/NWA-3550 User’s Guide 7 Safety Warnings • Do NOT expose your device to dampness, du st or corrosive liquids. • Do NOT store things on top of the device. • Do NOT install, use, or service this device during a thunderstorm.
Safety Warnings NWA-3500/NWA-3550 User’s Guide 8.
Contents Overview NWA-3500/NWA-3550 User’s Guide 9 Contents Overview Introduction .......................................... ..................................................... ................... .......... 21 Introducing the NWA ............. ..
Contents Overview NWA-3500/NWA-3550 User’s Guide 10.
Table of Contents NWA-3500/NWA-3550 User’s Guide 11 Table of Contents About This User's Guide ................................................................ ........................................ .. 3 Document Conventions...................
Table of Contents NWA-3500/NWA-3550 User’s Guide 12 2.3.1 Methods of Restoring Fact ory-Defaults .. ............. ............. ................ ............. ............. 38 2.4 Navigating the Web Configurator ................. .......... ........
Table of Contents NWA-3500/NWA-3550 User’s Guide 13 3.6.4.2 Primary AP Controller ...... ................ ............. ................ ............. ..... 75 3.6.5 Setting Your NWA in Managed AP Mode ..................... ................ ........
Table of Contents NWA-3500/NWA-3550 User’s Guide 14 7.1 Overview ... ............. ............. ................ ............. ............. ................ ............. ............. . .......... 109 7.1.1 What You C an Do in the System Screens .
Table of Contents NWA-3500/NWA-3550 User’s Guide 15 9.3.3.2 ATC +WMM from WLAN to LAN ................ ................ ............. ...... 152 9.3.4 Type O f Service (ToS) ................. ............. ................. ............ ............
Table of Contents NWA-3500/NWA-3550 User’s Guide 16 Chapter 14 IP Screen.......................................................... ..................................................... ....... .......... 183 14.1 Overview .............. ............
Table of Contents NWA-3500/NWA-3550 User’s Guide 17 Chapter 18 Certificates ................................. ..................................................... ............................. ......... 217 18.1 Overview .............. ............
Table of Contents NWA-3500/NWA-3550 User’s Guide 18 20.3.3.2 Configuring Remo te Access Policies .............. ................ ............ 255 20.3.4 Second Rx VLAN ID Example ........... ............. ............. ............. ................
Table of Contents NWA-3500/NWA-3550 User’s Guide 19 24.6 Wireless Router/AP Troubleshooting ......... .......... ............. ............ ................. ............ ..... 295 Chapter 25 Product Specifications ..................................
Table of Contents NWA-3500/NWA-3550 User’s Guide 20.
21 P ART I Introduction Introducing the NWA (23) The Web Configurator (37) Status Screens (83) Management Mode (87) Tutorial (41).
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NWA-3500/NWA-3550 User’s Guide 23 C HAPTER 1 Introducing the NWA Note: This User’s Guide includes the NW A-3500 and the NWA-3550. Illustrations used throughout this book are based on th e NWA-3500 (unless otherwise stated). The Web Configu ration screens are based on the NWA-3500 (unless otherwise stated).
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 24 1.2 Applications for the NWA The NWA can be configured to use the following WLAN operating modes: • Access Point ( AP) •B r i d g e / R e p e a t e r •A P + B r i d g e •M B S S I D Applications for each operati ng mode are shown below.
Chapter 1 In troducing the NWA NWA-3500/NWA-3550 User’s Guide 25 1.2.2 Bridge / Repeater The NWA can act as a wirele ss network bridge and establish wireless li nks with other APs.
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 26 Figure 3 Repeater Application 1.2.2.1 Bridge / Re peater Mode Example In the example below, when both NWAs are in Bridge / Repeate r mode, th ey form a WDS (Wireless Distribution Syst em) allowing the computers in LAN 1 to connect to the computers in LAN 2 .
Chapter 1 In troducing the NWA NWA-3500/NWA-3550 User’s Guide 27 • If two or more NWAs (in bridge mo de) are connected to the same hub. Figure 5 Bridge Loo p: Two Bridges Connected to Hub • If your NWA (in bridge mod e) is connected to a wired LAN while communicating with another wireless bridge that is also connected to the same wired LAN.
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 28 1.2.3 AP + Bridge In AP + Bridge mode, the NWA supports bo th AP and b ridge connection at the same time. In the figure below, A and B use X as an AP to access the wired netw ork, while X and Y communicate in bridge mode.
Chapter 1 In troducing the NWA NWA-3500/NWA-3550 User’s Guide 29 provides multiple virtual APs, each forming its own BSS and using its own individual SSID profile. You can configure up to sixt een SSID profil es, and have up to eight active at any one time.
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 30 1.2.5 Pre-Configured SSID Profiles The NWA has two pre-configured SSID profiles. • VoIP_SSID . This profile is intended for use by wireless clients requiring the highest QoS level for VoIP telephony and other applications requiring low latency.
Chapter 1 In troducing the NWA NWA-3500/NWA-3550 User’s Guide 31 1.3 CAPWAP The NWA supports Control And Provisioning of Wireless Access Points (CAPWAP). This is ZyXEL’s implementati on of the In ternet Engineering Task Force’s (IETF) CAPWAP protocol.
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 32 1.4 Ways to Manage the NWA Use any of the following methods to manage the NWA. • Web Configurator. This is recommended for ev eryday management of the NWA using a (supported) web browser.
Chapter 1 In troducing the NWA NWA-3500/NWA-3550 User’s Guide 33 1.6.1 Control Access to Your Device Ensure only people with permission can acc ess your NWA. • Control physical access by locati ng devi ces in secure areas, such as locked rooms. Most NWAs have a re set button.
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 34 1.7 Hardware Connections See your Quick Start Guide for information on making hardware connections. 1.7.1 Antennas Your NWA has two wireless L AN adaptors, WLAN1 and WLAN2. WLAN1 uses the RF1 antenna or the antenna on the right (when facing the device).
Chapter 1 In troducing the NWA NWA-3500/NWA-3550 User’s Guide 35 The following table describes t he behavior of the device LEDs. LABEL LED COLOR STATUS DESCRIPTION 1 WL1 Green On The wireless adaptor WLAN1 is active. Blinking The wireless adaptor WLAN1 is active, and transmitting or receiving data.
Chapter 1 Introducing the NWA NWA-3500/NWA-3550 User’s Guide 36 5 ETHERNET Green On The NWA has a 10 Mbps Ethernet connection. Blinking The NWA has a 10 Mbps Ethernet connection and is sending or receiving data. Yellow On The NWA has a 100 Mbps Ethernet connection.
NWA-3500/NWA-3550 User’s Guide 37 C HAPTER 2 The Web Configurator 2.1 Overview This chapter describes how t o access the NWA’s web configurator and provides an overview of its screens.
Chapter 2 The Web Configurator NWA-3500/NWA-3550 User’s Guide 38 6 Click Apply in the Replace Certificate screen to create a certificate using your NWA’s MAC address that will be specific to this device. You should now see the Status screen. Se e Chapter 2 on page 37 for details about the Status screen.
Chapter 2 The Web Configurator NWA-3500/NWA-3550 User’s Guide 39 2.4 Navigating the Web Configurator The following summarizes how to navigate the web configurator from the Status screen.
Chapter 2 The Web Configurator NWA-3500/NWA-3550 User’s Guide 40.
NWA-3500/NWA-3550 User’s Guide 41 C HAPTER 3 Tutorial 3.1 Overview This chapter first provides a basic overvi ew of how to configure the wireless LAN on your NWA, and then gives step-by-st ep guidelines showing how to configure your NWA for some example scenarios.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 42 3.2.2 Wireless LAN Configuration Overview The following figure shows the steps you should take to configure the wireless settings according to the operating mode you select.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 43 3.2.3 Further Reading Use these links to find more information on the steps: • Choosing 802.11 Mode : see Section 8.2.1 on page 120 . • Choosing a wireless Channel ID : see Section 8.2.1 on page 120 .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 44 The following figure shows the multip le networks you want to set up. Your NWA is marked Z , the main network router is marked A , and your network pri nter is marked B . Figure 14 Tutorial: Example MBSSID Setup The standard network ( SSID04 ) has access to all resources.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 45 3.3.1 Change the Operating Mode Log in to the NWA (see Section 2.2 on pag e 37 ). Click Wire less > Wireless . The Wireless screen appears. 3.3.1.1 Access Point Set the NWA’s WLAN Interface WLAN1 is set to Access Point operating mode, and is currently using the SSID03 profile.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 46 3.3.1.2 MBSSID Select MBSSID from the Operat ing Mode drop-down list box. The screen displays as foll ows. Figure 16 Tutorial: Wireless LAN: Change Mode This Select SSID Profile table allows you to activate or deactivate SSID pr ofiles.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 47 3.3.2 Configure the VoIP Network Next, click Wireless > SSID . The following screen displays . Note that the SSID03 SSID profile (the standard network) is using t he security01 security profile.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 48 1 Choose a new SSID for the VoIP netw ork. In this example, enter VOIP_SSID_Example . Note that although the SSID changes, the SSID profile name ( VoIP_SSID ) remains the same as before. 2 Select Enable from the Hide Name (SSID) list box.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 49 You already chose to us e the security02 profile for thi s network, so select the radio button for security02 and click Edit .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 50 3.3.2.2 Activate the VoIP Profile You need to activate the VoIP_SSID profile before it can be used. Click the Wireless tab. In the Select SSID Profile table, select th e VoIP_SSID profile’s Active checkbox and click Apply .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 51 Click Wireless > SSID . Select Guest_SSID ’s entry in the list an d click Edit . The following screen appears. Figure 23 Tutorial: Guest Edit 1 Choose a new SSID for the guest ne tw ork. In this example, enter Guest_SSID_Example .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 52 3.3.3.1 Set Up Security for the Guest Profile Now you need to configure the security settings t o use on the guest wireless network. Click the Security tab. You already chose to us e the security03 profile for thi s network, so select security03 ’s entry in the list and cli ck Edit .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 53 3.3.3.2 Set up Layer 2 Isolation Configure layer 2 isolation to control the specific devices you want the users on your guest network to access. Click WIRELESS > La yer-2 Isolation . The following screen appears.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 54 3.3.3.3 Activate the Guest Profile You need to activate the Guest_SSID profile before it can be used. Cl ick the Wireless tab. In the Select SSID Profile table, select th e check box for the Guest_SSID profile and click Apply .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 55 3.4 How to Set Up and Use Rogue AP Detection This example shows you how to configure the rogue AP detecti on feature on the NWA. A rogue AP is a wireless access point oper ating in a network’s coverage area that is not a sanctioned part of that networ k.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 56 marked E , and a computer, marked F , connected to the wire d network. The coffee shop’s access point is marked 1 .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 57 Note: The NWA can detect the MAC addresses o f APs automatically. However, it is more secure to obtain the correct MAC addresse s from another source and add them to the friendly AP list manually.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 58 Note: You can add APs t hat are not part of yo ur network to the friendly AP list, as long as you know that they do not pose a threat to your network’s security. The Friendly AP screen now appears as follows.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 59 4 Click Export . If a window si milar to the following appears, click S ave . Figure 33 Tutorial: Warn ing 5 Save the friendly AP list somewhere it can be accessed by all the other access points on the network.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 60 3.4.2 Activate Periodic Rogue AP Detection Take the following steps to activate rogue AP detecti on on the first of your NWAs. 1 In the ROGUE AP > Configuration screen, sele ct Enable from the Rogue AP Period Detection field.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 61 3.4.3 Set Up E-mail Logs In this section, you will configure the firs t of your four APs to send a log m essage t o y o u r e - m a i l i n b o x w h e n e v e r a r o g u e A P i s d i s c o v e r e d i n y o u r w i r e l e s s n e t w o r k ’ s coverage area.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 62 5 In the Send Immediate Alert section, select the events you want to trigg er immediate e-mails. Ensure that Rogue AP Detection is selected. 6 Click Apply . 3.4.4 Configure Your Other Access Points Access point A is now configured to do the foll owing.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 63 3.4.5 Test the Setup Next, test your setup to ensure it is correctly configured. • Log into each AP’s Web configurator and click ROGUE AP > Rogue AP . Click Refresh . If any of the MAC addresses from Section 3.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 64 NWA is marked Z . C is a workstation on your wired network, D is your main network switch, and E is the securi ty gateway you use to co nnect to the Internet . Figure 37 Tutorial: Example Network 3.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 65 Each SSID profile already uses a different pre-share d key. In this example, you will configure access limitations for each SSID profile.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 66 Take the following steps to configure the SERVER_1 network. 1 Log into the NWA’s Web Configurator and click Wireless > SSID . The following screen displays, s howing the SSID profiles you already configured.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 67 2 Select SERVER_1 ’s entry and click Edit . The following screen displa ys. Figure 39 Tutorial: SSID Edit Select l2Isolation03 in the L2 Isolation field, and select macfilter03 in the MAC Filtering field.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 68 8 Enter the MAC address of the device Ali ce uses to connect to the network in Index 1 ’s MAC Address field and enter her name i n the Description field, as shown in the following figure. Change the Profile Name to “MacFilter_SERVER_1”.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 69 3.5.6 Checking your Settings and Testing the Configuration Use the following sections to ensure th at your wireless networks are set up correctly. 3.5.6.1 Checking Settings Take the following steps to check that the NWA is usi ng the correct SSIDs, MA C filters and layer-2 isolation profiles.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 70 2 Next, click the SSID tab. Check that each configured SSID profile uses the correct Security , Layer-2 Isolation and MAC Filter profiles, as shown in t he following figure.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 71 Attempt to access the Internet. You should be able to do so. Attempt to access Server 1 . You should be unable to do so.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 72 Additionally, you want a b ackup for this controller AP. You add another NWA ( E ) in the first floor of the building, whic h you will th en set as a secondary control ler AP. Figure 44 Tutorial: Controller AP with Backup and Managed APs Example 3.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 73 1 Assign one NWA AP ( A ) as the controller AP for your wireless NWA AP network. This will be your primary controller AP . Acquire another NWA with the same model and firmware version as A , to serve as the secondary controller AP ( E ).
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 74 1 Access th e Web Config urator of the NW A. Go to MGNT MODE to open the following screen. Figure 45 Tutorial: MGNT Mode (AP Controller) 2 Select AP Controller and click Apply . 3 The device reboots.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 75 2 Enable Redundancy . Then select Secondary AP Controller and cl ick Apply . 3.6.4.2 Primary AP Controller The primary controller AP manages the NWA APs (in managed AP mode) in your network.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 76 1 To set your NWA in managed AP mode, open the MGNT screen in the Web Configurator of the NWA that you want to serve as a managed AP. Figure 48 Tutorial: Ma naged AP 2 Select Managed AP and enter the IP addresses of the NWA primary and secondary controller AP (recommended).
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 77 If the Registration Type is set to Manual , the control ler AP add managed APs to a queue in the Un-Managed Access Points List in the Controller > AP Lists screen.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 78 Turn on a WLAN Radio Profile by sele cting the managed AP from the list and clicking Edit . Figure 51 Tutorial:AP List (Managed ) 4 In the screen that opens, choose the radi o profile for each WLAN radio and click Apply .
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 79 3.6.7 Checking your Settings and Testing the Configuration The NWAs should be working at this point. You can configure the settings of each NWA unit by just openi ng the Web Con fig urator of the primary controller AP.
Chapter 3 Tutorial NWA-3500/NWA-3550 User’s Guide 80.
81 P ART II The Web Configurator System Screens (109) Wireless Configuration (119) SSID Screen (145) Wireless Security Screen (155) RADIUS Screen (169) Layer-2 Isolation Screen (173) MAC Filter Screen.
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NWA-3500/NWA-3550 User’s Guide 83 C HAPTER 4 Status Screens 4.1 Overview The Status screen displays when you log i nto the NWA or click Status in the navigation me nu. Use this screen to look at the cu rrent status of the device, system resources, and interfaces .
Chapter 4 Sta tus Screens NWA-3500/NWA-3550 User’s Guide 84 The following table describes t he labels in this screen. Table 8 The Status Screen LABEL DESCRIPTION Automatic Refresh Interval Enter how often you want the NWA to update this screen. Refresh Click this to update this screen immediately.
Chapter 4 Status Screens NWA-3500/NWA-3550 User’s Guide 85 WLAN1 Associations This field displays the number of wireless clients currently associated with the first wireless module.
Chapter 4 Sta tus Screens NWA-3500/NWA-3550 User’s Guide 86 4.2.1 System Statistics Screen Use this screen to view di agnostic information about the NWA. Click Show Statistics in the Status screen. The following screen pops up. Note: The Poll Interval field is configurable.
NWA-3500/NWA-3550 User’s Guide 87 C HAPTER 5 Management Mode 5.1 Overview This chapter discusses using the NWA in management mode. This screen determines whether the NWA is used in its default st andalone mode, or as part of a Control And Provisioning of Wirele ss Access Points (CAPWAP) network.
Chapter 5 Manage ment Mode NWA-3500/NWA-3550 User’s Guide 88 Note: The NWA can be a controller AP, standalo ne AP (default) or a CAPWAP managed AP. 5.2.1 CAPWAP Discovery and Management The link between CAPWAP-enabled a ccess points proceeds as follows: 1 An AP in managed AP mode joins a wi red network (receives a dynamic IP address).
Chapter 5 Manag ement Mode NWA-3500/NWA-3550 User’s Guide 89 DHCP Option 43 allows the CAPWAP ma nagement request (from the AP in managed AP mode) to reach th e AP control ler in a diff erent subnet, as shown in the following figure . Figure 57 CAPWAP and DHCP Option 43 5.
Chapter 5 Manage ment Mode NWA-3500/NWA-3550 User’s Guide 90 5.3 The Management Mode Screen Use this screen to configure the NWA as a CAPWAP controller AP, a CAPWAP managed A P, or to use it in it s default st andalon e mode. Click MGNT MODE in the NWA’s navigation menu .
Chapter 5 Manag ement Mode NWA-3500/NWA-3550 User’s Guide 91 Apply Click this to save your changes. If you change the mode in this screen, the NWA restarts.
Chapter 5 Manage ment Mode NWA-3500/NWA-3550 User’s Guide 92.
NWA-3500/NWA-3550 User’s Guide 93 C HAPTER 6 AP Controller Mode 6.1 Overview This chapter discusses the Controller AP management mode. When the NWA is used as a CAPWAP (Control And Provisioni ng of Wireless Access Points) controller AP, the Web Configurator changes to reflect this by including the Controller and Profile Edit screens.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 94 In the figure below, an administrator is able to manage the security settings of 5 APs (1 controller AP and 4 managed APs ). He changes the s ecurity mode to WPA- PSK just by accessing the Web Conf igurator of the cont roller AP ( C ).
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 95 After logging in again, the navigation menu changes to include links for the Controller and Profile Edit screens. The items marked below are screens that can be configured for all APs managed by t he NWA.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 96 Click Status . The following screen displays. Figure 62 Status Screen The following table describes t he new labels in this screen. Table 11 Status Screen LABEL DESCRIPTION System Information Registration Type This field displays how the managed APs are registered with the NWA.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 97 6.4 AP Lists Screen Use this screen to view and add managed APs. By default, the controller NWA is always included in this table. Although you cannot remove it, you can edit its settings.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 98 Click Controller > AP Lists . The following screen displays. Figure 63 AP Lists Screen The following table describes t he labels in this screen.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 99 Status This displays whether the managed AP is activ e, not active or upgrading its firmware. • Red : the AP is not active. • Green : the AP is active. • Yellow : the AP is upgrading its firmware.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 100 6.4.1 The AP Lists Edit Screen Use this screen to change the description or radio profile of an AP managed by the NWA. Click Edit in the CONTROLL ER > AP Lists scre en. The following screen displays.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 101 6.5 Configuration Screen Use this screen to control the way in wh ich the NWA accepts new APs to manage. You can also configure t he pre-shared key (PSK) that is used to secure the data transmitted between the NWA and the APs it manages.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 102 6.6 Redundancy Screen Use this screen to set t he controller AP as a primary or secondary controller. If you set your NWA as a primary controller AP, you can have a secondary controller AP to serve as a backup .
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 103 •T h e Profile Edit > SSID screen (see Section 9.2 on page 151 ). •T h e Profile Edit > Security screen (see Section 10.2 on page 161 ). •T h e Profile Edit > RADIUS screen (see Section 11.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 104 6.7.2 The Radio Profile Edit Screen Use this screen to conf igure a specific radio profil e. In the Profile Edit > Radio screen, select a profile and click Edit . The following screen displays.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 105 The following table describes t he labels in this screen. Table 17 Radio Edit Screen LABEL DESCRIPTION Profile Name Enter a name identifying this profile. 802.11 Mod e This makes sure that only compliant WLAN devices can associate with the NWA.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 106 RTS/CTS Threshold Use RTS/CTS to reduce data collis ions on the wireless net work if you have wireless clients that are associated with the same AP but out of range of one another .
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 107 Apply Click Apply to s ave your changes. Reset Click Reset to begin configuring this screen afresh.
Chapter 6 AP Controller Mode NWA-3500/NWA-3550 User’s Guide 108.
NWA-3500/NWA-3550 User’s Guide 109 C HAPTER 7 System Screens 7.1 Overview This chapter provides information and inst ructions on how to ident ify and manage your NWA over the network. Figure 69 NWA Setup In the figure above, the NWA ( ZyXEL Device ) connects to a Domain Name Server (DNS) server to avail of a domain name .
Chapter 7 System Screens NWA-3500/NWA-3550 User’s Guide 110 7.1.2 What You Need To Know About the System Screens The following terms and conc epts may help as you read through t he chapter. IP Address Assignment Every computer on the Internet must have a unique IP address.
Chapter 7 S ystem Scre ens NWA-3500/NWA-3550 User’s Guide 111 Once you have decided on the network number , pick an IP address that is easy to remember, for instance, 192.16 8.1.2, for your device, but make sure that no other device on your networ k is using that IP address.
Chapter 7 System Screens NWA-3500/NWA-3550 User’s Guide 112 Administrator Inactivity Timer Type how many minutes a management session can be left idle before the session times out. The default is 5 minutes. After it times out you have to log in with your password again.
Chapter 7 S ystem Scre ens NWA-3500/NWA-3550 User’s Guide 113 7.3 Password Screen Use this screen to control access to your NWA by assigni ng a password to it. Click System > Password . The following screen displays. Figure 71 System > Password.
Chapter 7 System Screens NWA-3500/NWA-3550 User’s Guide 114 Use new setting Select this if you want to change the RADIUS username and password the NWA uses to authenticate management logon . User Name Enter the username for this user account. This n ame can be up to 31 ASCII characters long, including spaces.
Chapter 7 S ystem Scre ens NWA-3500/NWA-3550 User’s Guide 115 7.4 Time Setting Screen Use this screen to change your NWA’s time and date, click System > Time Setting . The following screen displays. Figure 72 System > Time Setting The following table describes t he labels in this screen.
Chapter 7 System Screens NWA-3500/NWA-3550 User’s Guide 116 New Date (yyyy:mm:dd) This field displays the last updated date from the time server or the last date configured manually. When you set Time and Date Setup to Manual , enter the new date in this field and then click Apply .
Chapter 7 S ystem Scre ens NWA-3500/NWA-3550 User’s Guide 117 7.5 Technical Reference This section provides some technical info rmation abou t the topic s covered in th is chapter.
Chapter 7 System Screens NWA-3500/NWA-3550 User’s Guide 118 The NWA continues to use the following pre-defined lis t of NTP time servers if you do not specify a time server or it cann ot synchronize with the time server you specified .
NWA-3500/NWA-3550 User’s Guide 119 C HAPTER 8 Wireless Configuration 8.1 Overview This chapter discusses the steps to confi g ure the Wireless Settings screen on the NWA.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 120 8.2.1 What You Need To Know About the Wireless Screen The following terms and conc epts may help as you read through t his chapter.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 121 An ESSID (ESS IDentification ) uniquely identifi es each ESS. All access p oints and their associated wireless stations within the same ESS must have the same ESSID in order to comm unicate.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 122 SSID The SSID (Service Set IDenti fier) identifies the Service Set with which a wireless station is associated. Wireless stations a ssociating to the access point (AP) must have the same SSID.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 123 • MBSSID should not replace but rather be used in conjunction with 802.1x security. 8.3 The Wireless Screen Use this screen to choose the oper ating mode for your NWA. Click Wireless > Wireless .
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 124 The following table describes t he genera l wireless LAN labels in this screen. Table 23 Wireless: Acc ess Point LABEL DESCRIPTION WLAN Interface Select which WLAN adapter you want to configure.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 125 Disable DCS to unlock This appears if the DCS feature is enabled. Click this to disable DCS and select a channel ID manually. Note: DCS is Disabled by default Operating Channel This field displays only when you select 802.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 126 8.3.2 Bridge / Repeater Mode Use this screen to have the NWA act as a wireless network bridge / repeater and establish wireless links with ot her APs. You need to know the MAC address of the peer device, which also must be in bridge / repeater mode.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 127 Note: You can view an example of this se tup in Section 8.4.3 on page 14 1 . Figure 77 Wireless: Bridge / Repeater The following table describes t he bridge labels in this screen.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 128 802.11 mode This makes sure that only compliant WLAN devices can associate with the NWA. Select 802.11b Only to allow only IEEE 802.11b compliant WLAN devices to associate with the NWA.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 129 Output Po wer Set the output power of the NWA in this field. If th ere is a high density of APs in an area, decrease the output power of the NWA to reduce interference with other APs.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 130 Remote Bridge MAC Type the MAC address of the peer device in a valid MAC address format, that is, six hexadecimal character pairs, for example, 12:34:56:78:9a:bc. PSK Type a pre-shared key (PSK) from 8 to 63 case-sensitive ASCII characters (including spaces and symbols).
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 131 8.3.3 AP + Bridge Mode Use this screen to have the NWA function as a bridge and access point simultaneously. Select AP + Bridge as the Operating Mode . The foll owing screen diplays.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 132 The following table describes t he bridge labels in this screen. Table 25 Wireless: AP + Bridge LABEL DESCRIPTIONS WLAN Interface Select which WLAN adapter you want to configure.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 133 RTS/CTS Threshold Use RTS/CTS to reduce data collisions on the wireless network if you have wireless clients that are associated with the same AP but out of range of one another.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 134 Rates Configuration This section controls the data rates permitted for clients. For each Rate , select an option from the Configur ation list. The options are: • Basic (1~11 Mbps only): Clients can always connect to the access point at this speed.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 135 Enable Antenna Diversity Select this to use antenna diversity. Antenna diversity uses multiple antennas to reduce signal interference. Enable Breathing LED Select this box to disable the WLAN LE D (light).
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 136 8.3.4 MBSSID Mode Use this screen to have the NWA function in MBSSID mode. Select MBSSID as the Operating Mode . The following screen diplays. Figure 79 Wireless: MBSSID The following table describes t he labels in this screen.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 137 802.11 Mode This makes sure that only compliant WLAN devices can associate with the NWA. Select 802.11b Only to allow only IEEE 802.11b compliant WLAN devices to associate with t he NWA.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 138 Fragmentation Threshold The threshold (number of bytes) for the fragmentation boundary for directed messages. It is the maximum data fragment size that can be sent. Enter an even number between 256 and 2346 .
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 139 8.4 Technical Reference This section provides technical backg round information about the topics covered in this chapter.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 140 the filtering database. In RSTP, the port states are Disc arding, Learning, and Forwarding. 8.4.1.2 STP Terminology The root bridge is the base of the spanning tree; it is the bridge with the lowest identifier value (MAC address).
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 141 8.4.1.4 STP Port States STP assigns five port stat es (see next table) to eliminate packet loopi ng. A bridge port is not allowed to go directly from blocking state to forward ing state so as to eliminate transient loops.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 142 The roaming feature on the access points allows the acces s points to relay information about the wireles s statio ns to each other.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 143 5 Access point AP 1 updates the new position of wireless station Y . 8.4.3.1 Requirements for Roaming The following requirements must be met in order for wireless stations to roam between the coverage areas.
Chapter 8 Wireless Configuration NWA-3500/NWA-3550 User’s Guide 144.
NWA-3500/NWA-3550 User’s Guide 145 C HAPTER 9 SSID Screen 9.1 Overview This chapter describes how you can conf igure Service Set Identifier (SSID) profiles in your NWA.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 146 9.1.2 What You Need To Know About SSID The following terms and conc epts may help as you read through t his chapter. When the NWA is set to Access Point, AP + Bridge or MBSSID mode, you need to choose the SSID profile(s) you want to use in your wireless network (see Sec tion 8.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 147 9.2 The SSID Screen Use this screen to select the SSID pr ofile you want to configure. Click Wireless > SSID to display the screen as shown. Figure 83 SSID The following table describes t he labels in this screen.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 148 9.2.1 Configuring SSID Use this screen to configure an SSID profile. Select an SSID profile in Wireless > SSID and click Edit to display the following screen. Figure 84 Configuring SSID The following table describes t he labels in this screen.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 149 9.3 Technical Reference This section provides technical backg round information about the topics covered in this chapter. 9.3.1 WMM QoS WMM (Wi-Fi MultiMedia) QoS (Quality of Servi ce) ensures quality of service in wireless networks.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 150 On APs without WMM QoS, all traffic stream s are gi ven the same access priority t o the wireless network.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 151 typical data packet sizes. Note that the figures given are mere ly exa mples - sizes may differ according to app lication and circ umstances. When ATC is activated, the devi ce sends tr affic with smaller packets before traffic with larger packets if t he network is congested.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 152 9.3.3.1 ATC+WMM from LAN to WLAN ATC +W MM fro m LA N ( th e wi re d Lo ca l A rea Ne two rk ) to WL AN ( th e Wi re les s Lo ca l Area Network) allow s WMM prioritizati on of packets that do not already have WMM QoS priorities assi gned.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 153 based on the application types and traffi c flow. Packets are marked with DiffServ Code Points (DSCPs) indicating the leve l of service desire d.
Chapter 9 SSID Screen NWA-3500/NWA-3550 User’s Guide 154 The followin g table lis ts which WM M QoS pr iority level the NWA uses for specific DSCP values. Table 36 ToS and IEEE 802.1d t o WMM QoS Priority Level Mapping DSCP VALUE WMM QOS PRIORITY LEVEL 224, 192 voice 160, 128 video 96, 0 A A.
NWA-3500/NWA-3550 User’s Guide 155 C HAPTER 10 Wireless Security Screen 10.1 Overview This chapter describes how to use t he Wireless Secu rity screen. This screen allows you to configure the security mode for your NWA. Wireless security is vital t o your net w ork.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 156 10.1.2 What You Need To Know About Wireless Security The following terms and conc epts may help as you read through t his chapter. User Authentication Authentication is the process of verifyin g whether a wireless device is allowed to use the w ireless net work.
Chapter 10 Wire less Security Sc reen NWA-3500/NWA-3550 User’s Guide 157 • 802.1x-Static64. This provides 802.1x-Only authentication with a static 64bit WEP key and an au thentic ation server. • 802.1x-Static128 . This provides 802.1x-Only authentication with a static 128bit WEP key and an au thenti cation server.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 158 Use this screen to choose and edi t a security profile. Cli ck Wireless > Securi ty . The following screen displays. Figure 87 Wirele ss Security The following table describes t he labels in this screen.
Chapter 10 Wire less Security Sc reen NWA-3500/NWA-3550 User’s Guide 159 After sele cting t he securi ty profile y ou wa nt to edit, the following screen appears. Enter the name you want to call this security profile in the Profile Name field. Figure 88 Security Profile The next screen varies according to the Security Mode you select.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 160 Authentication Method There are two types of WEP authentication namely, O pen System and Shared Key. Open system is implemented for ease-of-use and when security is not an issue.
Chapter 10 Wire less Security Sc reen NWA-3500/NWA-3550 User’s Guide 161 10.2.2 Security: 802.1x Only Use this screen to set t he selected profile to 802.1x Only securi ty mode. Select 802.1x-Only in the Security Mode field to dis play the following screen.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 162 10.2.3 Security: 802.1x Static 64-bit, 802.1x Static 128-bit Use this screen to set the selected prof ile to 802.1x Static 64 or 802.1x Stati c 128 security mode. Select 802. 1x Static 64 or 802.
Chapter 10 Wire less Security Sc reen NWA-3500/NWA-3550 User’s Guide 163 10.2.4 Security: WPA Use this screen to set the selected profil e t o Wi-Fi Protected Access (WPA) security mode. Select WPA in the Security Mode field to display the followi ng screen.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 164 10.2.5 Security: WPA2 or WPA2-MIX Use this screen to set the selected prof ile to WPA2 or WPA2-MIX security mode. Select WPA2 or WPA2-MIX in the Security Mode field to display the following screen.
Chapter 10 Wire less Security Sc reen NWA-3500/NWA-3550 User’s Guide 165 The following table descri bes the labels not previously dis cussed Table 43 Security: WPA2 or WPA2-MI X LABEL DESCRIPTIONS Profile Name Type a name to identify this security profile.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 166 10.2.6 Security: WPA-PSK, WPA2-PSK, WPA2-PSK-MIX Use this screen to set the selected prof ile to WP A-PSK, WPA2 -PSK or WPA2-PSK- MIX security mode. Select WPA-PSK , WPA2-PSK or WPA2-PSK-MIX in the Security Mode field to display the following screen.
Chapter 10 Wire less Security Sc reen NWA-3500/NWA-3550 User’s Guide 167 10.3 Technical Reference This section provides technical background information on the topics discussed in this chapter. The following is a general guideline in ch oosing the security mode for your NWA.
Chapter 10 Wire less Security Screen NWA-3500/NWA-3550 User’s Guide 168.
NWA-3500/NWA-3550 User’s Guide 169 C HAPTER 11 RADIUS Screen 11.1 Overview This chapter describes how you can use the Wireless > RADIUS screen. Remote Authentication Dial In User Serv ice (RADIUS) is a protocol that can be used to manage user access to large ne tworks.
Chapter 11 RADIUS Screen NWA-3500/NWA-3550 User’s Guide 170 11.1.1 What You Can Do in the RADIUS Screen Use the Security > RADIUS screen (see Section 11.2 on page 171 ) if you want to authen ticate w ireless users usi ng a RADIUS Server and/or Accounting Server.
Chapter 11 RADIUS Screen NWA-3500/NWA-3550 User’s Guide 171 11.2 The RADIUS Screen Use this screen to set up your NWA’s RADIUS server settings. Click Wireless > RADIUS . The screen appears as shown. Figure 96 RADIUS The following table describes t he labels in this screen.
Chapter 11 RADIUS Screen NWA-3500/NWA-3550 User’s Guide 172 Internal Select this check box to use the NWA’s internal authentication server. The Active , RADIUS Server IP Address , RADIUS Ser ver Port and Share Secret fields are not available when you use the internal authentication server.
NWA-3500/NWA-3550 User’s Guide 173 C HAPTER 12 Layer-2 Isolation Screen 12.1 Overview Layer-2 isolation is used t o prevent wireless clients associated with your NWA from communicating with other wireless c lients, APs, computers or rout ers in a network.
Chapter 12 Layer-2 Iso lation Screen NWA-3500/NWA-3550 User’s Guide 174 communicating with the NWA’s wireless clients except for broadcast packets. Layer-2 isolation does not check the traffic between wireless cl ients that are associated with the same AP.
Chapter 12 Layer-2 Isolation Screen NWA-3500/NWA-3550 User’s Guide 175 12.2 The Layer-2 Isolation Screen Use this screen to select and configure a layer-2 isolation profile. Click Wire less > Layer-2 Isolation . The screen appears as shown next. Figure 98 Layer 2 Isolati on The following table describes t he labels in this screen.
Chapter 12 Layer-2 Iso lation Screen NWA-3500/NWA-3550 User’s Guide 176 12.2.1 Configuring Layer-2 Isolation Use this scre en to specify th e configura tion for your lay er-2 isolat ion profile. Select a layer-2 isolation profile in Wireless > Layer-2 Isolation and clic k Edit to display the following screen.
Chapter 12 Layer-2 Isolation Screen NWA-3500/NWA-3550 User’s Guide 177 12.3 Technical Reference This section provides technical background information on the topics discussed in this chapter. The figure that follows i llustrates two ex ample layer-2 isol ation configurations on your NWA ( A ).
Chapter 12 Layer-2 Iso lation Screen NWA-3500/NWA-3550 User’s Guide 178 Example 1: Restricti ng Access to Server In the following example wireless clients 1 and 2 can communicate with file server C , but not access point B or wireless client 3 .
NWA-3500/NWA-3550 User’s Guide 179 C HAPTER 13 MAC Filter Screen 13.1 Overview This chapter discusses how you can use the Wireless > MAC Filter sc reen. The MAC filter function allows you to co nfigure the NWA t o grant access to devices (Allow Association) or excl ude devices from access ing the NWA (Deny Association).
Chapter 13 MAC Filt er Screen NWA-3500/NWA-3550 User’s Guide 180 characters, for example, 00:A0:C5:00:00: 02. You need to know the MAC address of each device to configure MAC fi ltering on the NWA. 13.2 The MAC Filter Screen The MAC filter profile is a user-configured list of MAC addresse s.
Chapter 13 MAC Filter Scr een NWA-3500/NWA-3550 User’s Guide 181 The following table describes t he labels in this screen. Note: If you configure both the MAC Address Filter table and Group Settings table and a client matches a MAC address specified in both table s, the settings in the Group Settings is applied by the NWA first.
Chapter 13 MAC Filt er Screen NWA-3500/NWA-3550 User’s Guide 182.
NWA-3500/NWA-3550 User’s Guide 183 C HAPTER 14 IP Screen 14.1 Overview The Internet Protocol (IP) address iden tifies a devi ce on a network. Every networking device (including comput ers, se rvers, routers, printers, etc.) needs an IP address to communicate across the netw ork.
Chapter 14 IP Screen NWA-3500/NWA-3550 User’s Guide 184 These parameters should work fo r the majority of installations. 14.2 The IP Screen Use this screen to configure the IP address for y our NWA . Click IP to display the following screen. Figure 105 IP Setup The following table describes t he labels in this screen.
Chapter 14 IP Scree n NWA-3500/NWA-3550 User’s Guide 185 14.3 Technical Reference This section provides technical backg round information about the topics covered in this chapter. 14.3.1 WAN IP Address Assignment Every computer on the Internet must have a unique IP address.
Chapter 14 IP Screen NWA-3500/NWA-3550 User’s Guide 186.
NWA-3500/NWA-3550 User’s Guide 187 C HAPTER 15 Rogue AP Detection 15.1 Overview Rogue APs are wireless access points operat ing in a network’s co verage area t hat are not under the control of the network’s administrators, and can open up holes in a network’s security.
Chapter 15 Rogue AP Detection NWA-3500/NWA-3550 User’s Guide 188 In the example above, a corporate networ k’ s security is compromised by a rogue AP ( R ) set up by an employee at his workst ation in order to allow him to connect his notebook computer wirelessly ( A ).
Chapter 15 Rogue AP Detectio n NWA-3500/NWA-3550 User’s Guide 189 The friend ly AP list d isplays d etails of a ll the acce ss point s in your area t hat you k n o w a r e n o t a t h r e a t . I f y o u h a v e m o r e t h a n o n e A P i n y o u r n e t w o r k , y o u n e e d t o configure this list to include your ot her AP s.
Chapter 15 Rogue AP Detection NWA-3500/NWA-3550 User’s Guide 190 This scenario can also be part of a wirele ss denial of service (DoS) attack, i n which associated wireless clients are deprived of network access. Other opportunities for the attacker include the in troduction of malware (malicious software) into the network.
Chapter 15 Rogue AP Detectio n NWA-3500/NWA-3550 User’s Guide 191 15.2.1 Friendly AP Screen Use this screen to specif y APs as trusted. Click Rogue AP > Friendly AP . T he following screen appears: Figure 109 Rogue AP Friendly AP The following table describes t he labels in this screen.
Chapter 15 Rogue AP Detection NWA-3500/NWA-3550 User’s Guide 192 15.2.2 Rogue AP Screen Use this scren to dis play details of all wireless access points wit hin the NWA’s coverage area. Click Rogue AP > Rogue AP . The following screen displays.
Chapter 15 Rogue AP Detectio n NWA-3500/NWA-3550 User’s Guide 193 MAC Address This field displays the Medi a Access Control (MAC) address of the AP. All wireless devices have a MAC address that uniquely identifies them. SSID This field displays the Service Set IDentifier (also known as the networ k name) of the AP.
Chapter 15 Rogue AP Detection NWA-3500/NWA-3550 User’s Guide 194.
NWA-3500/NWA-3550 User’s Guide 195 C HAPTER 16 Remote Management Screens 16.1 Overview This chapter shows you how to enable remote management of your NWA. It provides information on dete rmining which services or protocols can access which of the NWA’s interfac es.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 196 16.1.1 What You Can Do in th e Remote Management Screens •U s e t h e Telnet screen (see Section 16.2 on page 198 ) to con figure through which interface(s) and from which IP a ddress(es) you can use Telnet to manage the NWA.
Chapter 16 Remot e Manageme nt Screens NWA-3500/NWA-3550 User’s Guide 197 Note: SNMP is only available if TCP/IP is con figured. Figure 112 SNMP Manageme nt Mode An SNMP managed network consists of tw o main types of component: agents and a manager.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 198 System Timeout There is a default system management idle timeout of five minutes (three hundred seconds). The NWA automatically logs you out if the management session remains idle for longer t han this timeout period.
Chapter 16 Remot e Manageme nt Screens NWA-3500/NWA-3550 User’s Guide 199 16.3 The FTP Screen You can uplo ad and download the N WA’s firmware and configuration files using FTP.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 200 To change your NWA’s FTP settings, cl ick REMOTE MGMT > FTP . The following screen displays. Figure 114 Remote Manageme nt: FTP The following table describes t he labels in this screen.
Chapter 16 Remot e Manageme nt Screens NWA-3500/NWA-3550 User’s Guide 201 To change your NWA’s WWW settings, click REMOTE MGNT > WWW . The following screen shows. Figure 115 Remote Manageme nt: WWW The following table describes t he labels in this screen.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 202 Server Port The HTTPS proxy server listens on port 443 by default. If you change the HTTPS proxy serv er port to a different.
Chapter 16 Remot e Manageme nt Screens NWA-3500/NWA-3550 User’s Guide 203 16.5 The SNMP Screen Use this screen to have a manager st ation administrate your NWA over the network. To change your NWA’s SNMP settings, click REMOTE MGMT > SNMP . The following screen displays.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 204 SNMP Version Select the SNMP version for the NW A. The SNMP version on the NWA must match the version on the SNMP manager. Choose SNMP version 1 ( SNMPv1 ), SNMP version 2 ( SNMPv2 ) or SNMP version 3 ( SNMPv3 ).
Chapter 16 Remot e Manageme nt Screens NWA-3500/NWA-3550 User’s Guide 205 16.5.1 SNMPv3 User Profile Use this screen to configure the SNMPv3 profile. Click Conf igure SNMPv3 User Profile in the REMOTE MGMT > SNMP screen, the following screen displays.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 206 16.6 Technical Reference This section provides some technical ba ckground information about the topics covered in this chapter.
Chapter 16 Remot e Manageme nt Screens NWA-3500/NWA-3550 User’s Guide 207 device. Examples of variables incl ude such as number of packets received, node port status etc. A Management Information Base (MIB) is a collection of managed objects. SNMP itself is a si mple reques t/response protocol based on the manager/ agent model.
Chapter 16 Remo te Management Scr eens NWA-3500/NWA-3550 User’s Guide 208 Some traps include an SNMP interface index. The following table maps the SNMP interface indexes to the NWA’s physical and virtual ports. authenticationFailure (defined in RFC-1215 ) 1.
NWA-3500/NWA-3550 User’s Guide 209 C HAPTER 17 Internal RADIUS Server 17.1 Overview This chapter describes how the NWA can us e its internal RADIUS server to authenticate wireless clients. Remote Authentication Dial In User Serv ice (RADIUS) is a protocol that enables you to control acce ss to a network b y authentica ting user creden tials.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 210 17.1.1 What You Can Do in this Chapter •U s e t h e Setting screen (see Section 17.2 on page 210 ) to turn the NWA’s internal RADIUS server of f or on an d to view information about the NW A’s certificates.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 211 The following table describes t he labels in this screen. Table 61 Internal RADIUS Server Setting LABEL DESCRIPTION Active Select this to have the NWA use its internal RADIUS se rver to authenticate wireless clients or other APs.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 212 17.3 The Trusted AP Screen Use this screen to specif y APs as trusted. Click AUTH. SERVER > Trusted AP. The following screen displays. Figure 120 Trusted AP Screen The following table describes t he labels in this screen.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 213 17.4 The Trusted Users Screen Use this screen to conf igure trusted user entries. Click AUTH. SERVER > Trusted Users . The following screen displays. Figure 121 Trusted Users The following table describes t he labels in this screen.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 214 17.5 Technical Reference This section provides some technical ba ckground information about the topics covered in this chapter. A trusted AP is an AP that uses the NWA’ s internal RADIUS server to authenti cate its wireless client s.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 215 Take the following steps to set up trusted APs and trust ed users. 1 Configure an IP address an d shared secr et in the Trusted AP database to specify an AP as trusted.
Chapter 17 Internal RADIUS Server NWA-3500/NWA-3550 User’s Guide 216.
NWA-3500/NWA-3550 User’s Guide 217 C HAPTER 18 Certificates 18.1 Overview This chapter describes how your NWA can use certificates as a means of authenticating wireless cl ients. It give s background information about public-key certificates and explains how to use them.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 218 18.1.2 What You Need To Know About Certificates The following terms and conc epts may help as you read through t his chapter. The NWA also trusts any valid certifi cate si gned by any of the imported trusted CA certificates .
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 219 The following table describes t he labels in this screen. Table 64 Certificates > My Certificates LABEL DESCRIPTION PKI Storage Space in Use This bar displays the percentage of the NWA’s PKI storage space that is currently in use.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 220 18.2.1 My Certificates Import Screen Use this screen to import a certificate from your loc al computer to the NWA. Note: You can import only a certificate that matches a corresponding certif ication request that was generated by the NWA.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 221 Note: You must remove any spaces from the certificate ’s filename before you can import it. Figure 125 Certificates > My Certif icates Import The following table describes t he labels in this screen.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 222 18.2.2 My Certificates Create Screen Use this screen to have the NWA create a self-signed certificate, enroll a certificate with a certification authorit y or generate a certification request.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 223 Common Name Select a radio button to id entify the certificate’s owner by IP address, domain name or e-mail address. Type the IP address (in dotted decimal notation), domain name or e-mail address in the field provided.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 224 After you click Apply in the My Certificate Create screen, you see a screen that tells you the NWA is generating the self-sig ned certific ate or certification request.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 225 18.2.3 My Certificates Details Screen Use this screen to view in-depth ce rtificate information and change the certificate’s name.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 226 The following table describes t he labels in this screen. Table 67 Certificates > My Certificate Details LABEL DESCRIPTION Name This field displays the identifying na me of this certificate .
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 227 Valid From This field displays the date that the certificate becomes applicable. The text displays in red and includes a Not Yet Valid! message if the certificate has not yet become applicable.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 228 18.3 Trusted CAs Screen Use this screen to view the list of trus t ed certificates. The NWA ac cepts any valid certificate signed by a certif ication aut hority on this list as being trustworthy.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 229 18.3.1 Trusted CAs Import Screen Use this screen to save a t rusted certification authority’s certificate to the NWA. Click Certificates > Trusted CAs to op en the Trusted CAs screen and then click Import to open the Trusted CAs Import screen.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 230 The following table describes t he labels in this screen. 18.3.2 Trusted CAs Details Screen Use this screen to view in-depth inform ation a.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 231 The following table describes t he labels in this screen. Table 70 Certificates > Trusted CAs Details LABEL DESCRIPTION Name This field displays the identifying na me of this certificate.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 232 Valid To This field displays the date that the certificate expires. The text displays in red and includes an Expiring! or Expired! message if the certificate is about to expire or has already expired.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 233 18.4 Technical Reference This section provides technical backg round information about the topics covered in this chapter. 18.4.1 Private-Public Certificates When using public-key cryptology for auth enticat ion, each host has two keys.
Chapter 18 Certificates NWA-3500/NWA-3550 User’s Guide 234 18.4.3 Checking the Finger print of a Certificate A certificate’s fingerprints are message di gests calculated using the MD5 or SHA1 algorithms. The following procedure describes how to check a certi ficate’s fingerprint to verify that you have the actual certificate.
NWA-3500/NWA-3550 User’s Guide 235 C HAPTER 19 Log Screens 19.1 Overview This chapter provides information on vi ewing and generating logs on your NWA. Logs are files that contain recorded netw ork activity over a set period. They are used by administrators to monitor t he he alth of the computer system(s) they are managing.
Chapter 19 Log Scre ens NWA-3500/NWA-3550 User’s Guide 236 •U s e t h e Log Settings screen ( Section 19.3 on page 238 ) to configure where and when the NWA will send the logs, and which logs and/ or immediate alerts it will send.
Chapter 19 Log Screens NWA-3500/NWA-3550 User’s Guide 237 Click Logs > V iew Log . The foll owing screen displays. Figure 134 Logs > View Log The following table describes t he labels in this screen.
Chapter 19 Log Scre ens NWA-3500/NWA-3550 User’s Guide 238 19.3 The Log Settings Screen Use this screen to configure w here an d when the NWA will send the logs, and which logs and/or immediat e alerts to send. Click Logs > Log Settings . The following screen displays.
Chapter 19 Log Screens NWA-3500/NWA-3550 User’s Guide 239 The following table describes t he labels in this screen. Table 72 Logs > Log Setting s LABEL DESCRIPTION Address Info Mail Server Enter the server name or the IP address of the mail server for the e- mail addresses specified below.
Chapter 19 Log Scre ens NWA-3500/NWA-3550 User’s Guide 240 19.4 Technical Reference This section provides some technical ba ckground information about the topics covered in this chapter. 19.4.1 Example Log Messages This section provides description s of some exampl e log messages .
Chapter 19 Log Screens NWA-3500/NWA-3550 User’s Guide 241 Table 74 ICMP Notes TYPE CODE DESCRIPTION 0 Echo Reply 0 Echo reply message 3 Destination Unreachable 0 Net unreachable 1 Host un reac hable.
Chapter 19 Log Scre ens NWA-3500/NWA-3550 User’s Guide 242 19.4.2 Log Commands Go to the command interpre ter interface (ref er to Appendix E on page 357 for a discussion on how to access and use the command s).
Chapter 19 Log Screens NWA-3500/NWA-3550 User’s Guide 243 19.4.5 Log Command Example This example shows how to set the NWA to record the error logs and alerts and then view the results. ras> sys logs load ras> sys logs category error 3 ras> sys logs save ras> sys logs display access #.
Chapter 19 Log Scre ens NWA-3500/NWA-3550 User’s Guide 244.
NWA-3500/NWA-3550 User’s Guide 245 C HAPTER 20 VLAN 20.1 Overview This chapter discusses how to conf igure VLAN on the NWA. A VLAN (Virtual Local Area Network) allo ws a physical network to be partitioned into multiple logi cal networks. Stations on a logical network can belong to one or more groups.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 246 20.1.2 What You Need To Know About VLAN The following terms and conc epts may help as you read through t his chapter. When you use wirel ess VLAN and RADIUS VLAN together, the NWA first tries to assign VLAN IDs based on RADIUS VLAN co nfiguration.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 247 20.2 Wireless VLAN Screen Use this screen to enable and c onfigure your Wireless Virtual L AN setup.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 248 20.2.1 RADIUS VLAN Screen Use this screen to configure your RADIUS Virtual LAN setup. Your RADIUS server assigns VLAN IDs to a user or user group’ s traffic based on what you se t in this screen. Native VLAN Check this to assign the Management VLAN ID as a Native VLAN.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 249 Click VLAN > RADIUS VLAN . The following screen appears. Figure 138 VLAN > RADIUS VLAN The following table describes t he labels in this screen.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 250 20.3 Technical Reference This section provides some technical ba ckground information and configuration examples abou t the topic s covered in th is chapte r. 20.3.1 VLAN Tagging The NWA supports IEEE 802.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 251 On an Ethernet switch, create a VLAN th at has the same management VLAN ID as the NWA. The followi ng figure has the NWA connected to port 2 and your computer connected to port 1. The management VLAN ID i s 10.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 252 8 Click Apply . The foll owing screen displays. Figure 141 VLAN-A ware Switch 9 Click VLAN S tatus t o display the following screen. Figure 142 VLAN-Aware Switch - VLAN Status Follow the instructions in the Quick Start Guide to set up your NWA for configura tion.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 253 3 Click Apply . Figure 143 VLAN Setup 4 The NWA attempts to connect with a VL AN-aware device. You can now access and mange the NWA though the Ethernet switch. Note: If you do not connect the NWA to a correctly configured VLAN-aware device, you will lock yourself out of the NWA.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 254 ZyXEL uses the following standard RADIUS attributes returned from Microso ft’s IAS RADIUS service to place the wire less station into the correct.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 255 1c Select the Security Group type parameter check box. 1d Click OK . Figure 144 New Global Security Group 2 In VLAN Group ID Properties , click th e Members tab. Note: The IAS uses group memberships to dete rmine which user accounts belong to which VLAN groups.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 256 1 Using the Remote Access Policy option on the Internet Authentication Service management interface, create a new VLAN Policy for each VLAN Group defined in the previous section. The or der of the remote access policies is important.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 257 3 In the Select Attribute screen, click Wind ows-Groups and the Add button. Figure 147 Specifyin g Windows-Group Condition 4 The Select Groups window displ ays. Sele ct a remote ac cess poli cy and click the Add button.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 258 6b Click the Edit Profile button. Figure 149 Granting Permissions a nd User Profile Screens 7 The Edit Dial-in Profile screen displays. Click the Authentication tab and sel ect the Extensible Authentication Protocol check box.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 259 8 Click the Encryption tab. Select the Strongest encryption option. This step is not required for EAP-MD5, but is performed as a safeguard. Figure 151 Encryp tion Tab Settings 9 Click the IP tab and select the Client may request an IP address check box for DHCP support.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 260 11 The RADIUS Attribute screen di splays. From the list, three RADIUS attributes will be added: • Tunnel-Medium-T ype • Tunnel-Pvt-Group-ID • Tunnel-Type 11a Click the Add button 11b Select Tunnel-Medium-Type 11c Click the Add button.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 261 13 Return to the RADIUS Attribute Screen shown as Figure 153 on page 260 . 13a Select Tunnel-Pvt-Group-ID.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 262 16b Click OK . Figure 156 VLAN Attribute Setting for Tunnel-Type 17 Return to the RADIUS Attribute Screen shown as Figure 153 on page 260 . 17a Click the Close button. 17b The completed Advanced tab config uration should re semble the fol lowing screen.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 263 20.3.4 Second Rx VLAN ID Example In this example, the NWA is configured to tag packets from SSID0 1 with VLAN ID 1 and tag packets from SSID02 with VLAN ID 2. VLA N 1 and VLAN 2 have access to a server, S , and the Internet, as show n in the follo wing fi gure.
Chapter 20 VLAN NWA-3500/NWA-3550 User’s Guide 264 2 Click VLAN > Wireless VLAN . 3 If VLAN is not already enabled, click Ena ble Virtual LAN and set up the Management VLAN ID (see Section 20.
NWA-3160 Series User’s Guide 265 C HAPTER 21 Load Balancing 21.1 Overview Wireless load balancing is the process whereby you limit the number of connections allowed on an wireless access point (AP) or you limit the amount of wireless traffic transmitted and received on it .
Chapter 21 Load Balancing NWA-3160 Series User’s Guide 266 Imagine a coffee shop in a crowded business distri ct that offers free wireless connectivity to its customers. The c off ee shop owner can’t possibly know how many connections his NWA w ill have at an y given moment.
Chapter 21 L oad Balancing NWA-3160 Series User’s Guide 267 The requirements for load balanc ing are fair ly straig ht forwar d and shou ld be met in order for a gr oup of similar NWAs to ta ke advantage of the feature: • They should all be within t he same subnet.
Chapter 21 Load Balancing NWA-3160 Series User’s Guide 268 21.2.1 Disassociating and Delaying Connections When your AP becomes overloaded, there are two basic responses it c an take.
Chapter 21 L oad Balancing NWA-3160 Series User’s Guide 269 can afford the bandwidth for it or the red la ptop is p icked up by a different AP that has bandwidth to spare. Figure 162 Delaying a Co nnection The second response your AP can take is to kick the connecti ons that are pushing it over its balanced bandwidth allotment.
Chapter 21 Load Balancing NWA-3160 Series User’s Guide 270.
NWA-3160 Series User’s Guide 271 C HAPTER 22 Dynamic Channel Selection 22.1 Overview This chapter discusses how to configure dynamic channel selection on the NWA.
Chapter 22 Dynamic Channel Selection NWA-3160 Series User’s Guide 272 In this example, if the NWA attempts to broadcast on channels 1, 6, or 11 it is met with cross-channel interf erence from the ot her AP that share s the channel .
Chapter 22 Dynamic Channel Selection NWA-3160 Series User’s Guide 273 DCS Sensitivity Level Selec t the NWA’s sensitivity level toward other channels. Options are High , Medium , and Low . Generally, as long as the area in which your NWA is located has minimal interference from other devices you can set the DCS Sensitivity Level to Low .
Chapter 22 Dynamic Channel Selection NWA-3160 Series User’s Guide 274.
NWA-3500/NWA-3550 User’s Guide 275 C HAPTER 23 Maintenance 23.1 Overview This chapter describes the maintenance screens. It discusses how you can view the association list and channel us age, upload new firmware, manage configuration and rest art your NW A without turning it of f and on.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 276 Find firmware at www.zyxel.com in a fil e that (usuall y) uses the system model name with a "*.b in" exte nsion, f or examp le "[Mode l #].bin ". The u pload pr ocess uses HTTP (Hypertext Transfer Proto col) and may take up to two mi nutes.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 277 Note: The Poll Interval field is configurable. The fields in this screen vary according to the current wireless mode of ea ch WLAN adaptor. Figure 167 Maintenance > System Status: Show Statistics The following table describes t he labels in this screen.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 278 23.5 Association List Screen Use this screen to know which wireless clie nts are associated with the NWA. Click Maintenance > Association List . The following screen displays. Figure 168 Association L ist he following tabl e describes the labels in t his screen.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 279 23.6 Channel Usage Screen Use this screen to see what channel the wireless clients are using to associate with the NWA, as well as the signal strength and network mode. Click Maintenance > Channel Usage .
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 280 The following table describes t he labels in this screen. 23.7 F/W Upload Screen Use this scren to up load firmware to your NWA. Click MAINTENANCE > F/W Up load . The following screen displays.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 281 The following table describes t he labels in this screen. Do not turn off the NWA while firmware upload is in progress! After you see the Firmware Upload in Process screen, wait two minutes before logging into the N WA again.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 282 If the upload was not successful , the following screen will appear. Click Return to go back to the F/W Upload screen. Figure 173 Firmware Upload Error 23.8 Configuration Screen Use this screen backup or upload your NWA’s configuration file.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 283 configur ation file before making c onfigur ation changes. The backup configuration file will be us eful in case you need to return to your previo us settings . Click Backup to save the NWA’s current configuration to your computer.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 284 address (192.168.1.2). See your Quick Star t Guide for details on how to set up your computer’s IP address. If the upload was not successful , the following screen will appear. Click Return to go back to the Configuration screen.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 285 Click Maintenance > Restart . The follow ing screen displays. Click Restart to have the NWA reboot.
Chapter 23 Maintenance NWA-3500/NWA-3550 User’s Guide 286.
287 P ART III Troubleshooting and Specifications Troubleshooting (289) Product Specifications (297).
288.
NWA-3500/NWA-3550 User’s Guide 289 C HAPTER 24 Troubleshooting 24.1 Overview This chapter offers some suggestions t o solve problems you might encount er.
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 290 • Inspect your cables for damage. Contact the vendor to replace any damaged cables. • Disconnect and re-connect th e power adaptor to the NWA. • If the probl em continue s, contact the vendor.
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 291 • The default password is 1234 . • If this does not work, you have to rese t the device to its factory defaults. See Section 2.3 on page 38 . I cannot see or access the Login screen in the w eb configurator.
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 292 • Disconnect and re-connect the po wer adaptor or cord to the NWA. • If this does not work, you have to rese t the device to its factory defaults. See Section 2.3 on page 38 . I cannot access the NWA via the console port.
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 293 The secondary controller AP’s wireless profiles do not appear in my wireless network. In case you have both primary and seco ndary controller APs in the network, the secondary controller AP’s WLAN radio is turned off as long as the primary controller AP is turned on.
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 294 24.5 Internet Access I cannot access the Internet. • Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick Start Guide and Section 24.2 on page 289 .
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 295 Check the settings for QoS. If it is disabled, you might consider activating it. If it is enabled, you might consider rais ing or lowering the priority for some applications. 24.6 Wireless Router/AP Troubleshooting I cannot access the NWA or ping any computer fr om the WLAN.
Chapter 24 Trou bleshooting NWA-3500/NWA-3550 User’s Guide 296.
NWA-3500/NWA-3550 User’s Guide 297 C HAPTER 25 Product Specifications The following tables summarize the NW A’s hardware and firmware features. Table 89 NWA-3500 Hardwar e Specifications Table 88 .
Chapter 25 Product Specifications NWA-3500/NWA-3550 User’s Guide 298 Table 90 Firmware Specifications Antenna Specifications SMA antenna connectors, equipped by default with 2dBi omni antenna, 60° .
Chapter 25 Product Specifications NWA-3500/NWA-3550 User’s Guide 299 SSL Passthrough SSL (Secure Sockets Layer) uses a public key to encrypt data that's transmitted over an SSL connection.
Chapter 25 Product Specifications NWA-3500/NWA-3550 User’s Guide 300 Table 91 Other Specifications Approvals Radio •U S A : FCC Part 15C 15.247 FCC Part 15E 15.
Chapter 25 Product Specifications NWA-3500/NWA-3550 User’s Guide 301 Compatible ZyXEL Antennas At the time of writ ing, you can use th e following antennas in your N WA.
Chapter 25 Product Specifications NWA-3500/NWA-3550 User’s Guide 302 Compatible ZyXEL Antenna Cables The following table shows you the cables you can use in the NWA to extend your connection to ant ennas at the time of writing. Power over Ethernet (PoE) Specifications You can use a power over Ethernet injector to power this device.
303 P ART IV Appendices and Index Setting Up Your Computer’s IP Address (305) Wireless LANs (331) Pop-up Windows, JavaScripts and Java Permissions (347) Importing Certificates (355) IP Addresses and.
304.
NWA-3500/NWA-3550 User’s Guide 305 A PPENDIX A Setting Up Your Computer’s IP Address Note: Your specific ZyXEL de vice may not support all of the operatin g systems described in this appendix. See the produc t specifications for mo re information about which operating systems are sup ported.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 306 1 Click Start > Control Panel . Figure 180 Windows XP: Start Menu 2 In the Control Panel , click the Network Connections icon.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 307 3 Right-click Local Area Connection and then select Properti es . Figure 182 Windows XP: Control Panel > Ne twork Connections > Properties 4 On the General tab, select Internet Pr otocol (TCP/IP) and then click Properties .
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 308 5 The Internet Protocol TCP/IP Properties window opens. Figure 184 Windows XP: Internet Protocol (T CP/IP) Properties 6 Select Obtain an IP address automatically if your network administrator or ISP assigns your IP address dynamically.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 309 Windows Vista This section shows screens from Windows Vista Professional. 1 Click Start > Control Panel . Figure 185 Windows Vista: Start Menu 2 In the Control Panel , click the Network and Internet icon.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 310 4 Click Manage network conne ctions . Figure 188 Windows Vista: Network and Sharing Cen ter 5 Right-click Local Area Connection and then select Properti es .
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 311 6 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties .
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 312 7 The Internet Protocol Versio n 4 (TCP/IPv4) Properties window opens.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 313 Mac OS X: 10.3 and 10.4 The screens in this section are from Mac OS X 10.4 but can als o apply to 10.3. 1 Click Apple > System Preferences . Figure 192 Mac OS X 10.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 314 3 When the Network preferences pane opens, select Built-in Ethernet from the network connection type list, and then click Configure.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 315 5 For statically assigned settings, do the following: •F r o m t h e Configure IPv4 list, se lect Manually . •I n t h e IP Address field, type your IP address.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 316 Click Apply No w and close the window. Verifying Settings Check your TCP/IP prop erties by clicking Applications > Utilities > Network Utilities , and then selecting the appropriat e Network Interface from the Info tab.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 317 2 In System Preferences , click the Net work ic on. Figure 199 Mac OS X 10.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 318 3 When the Network preferences pane opens, select Ethe rnet from the list of available connection types. Figure 200 Mac OS X 10.5: Network Preferences > Ethernet 4 From the Configure lis t, sele ct Using DHCP for dynamically assigned settings.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 319 •I n t h e Router field, enter the IP address of your NWA. Figure 201 Mac OS X 10.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 320 Verifying Settings Check your TCP/IP prop erties by clicking Applications > Utilities > Network Utilities , and then selecting the appropriat e Network interface from the Info tab.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 321 1 Click System > Administration > Network . Figure 203 Ubuntu 8: System > Administration Menu 2 When the Network Settings wi ndow opens, click Unlock to open t he Authenticate window.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 322 3 In the Authenticate window, enter yo ur admin a ccount name and password then click the Authenticate button.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 323 5 The Properties dialog box opens. Figure 207 Ubuntu 8: Network Settings > Properties •I n t h e Configuration list, sele ct Automatic Configuration (DHCP) if you have a dynamic IP address.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 324 7 If you know your DNS server IP address(es), click the DN S tab in the Network Settings window and then enter the DNS se rver information in the fields provided.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 325 tab. The Interface Statistics column shows data if your connection is working properly.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 326 1 Click K Menu > Computer > Administrator Se ttings (YaST) . Figure 210 openSUSE 10.3: K Menu > Computer Menu 2 When the Run as R oot - KDE su dialog opens, enter the admin password and click OK .
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 327 3 When the YaST Contro l Center window opens, select Network Devices and then clic k the Network Card icon.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 328 5 When the Network Card Setup window opens, click the Address tab Figure 214 openSUSE 10.3: Ne twork Card Setup 6 Select Dynamic Address (DHCP) if you have a dynamic IP address.
Appendix A Setting Up Your Compu ter’s IP Address NWA-3500/NWA-3550 User’s Guide 329 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. Figure 215 openSUSE 10.
Appendix A Se tting Up Your Computer’s IP Addres s NWA-3500/NWA-3550 User’s Guide 330 Verifying Settings Click the KNetwork Manager icon on the Task bar t o check your TCP/IP properties. From the Option s sub-me nu, se lect Show Connectio n Information .
NWA-3500/NWA-3550 User’s Guide 331 A PPENDIX B Wireless LANs Wireless LAN Topologies This section discuss es ad-hoc and infr as tructure wireles s LAN topologies. Ad-hoc Wireless LAN Configuration The simplest WLAN configurat ion is an in dependent ( Ad-hoc) WLAN that connects a set of computers with wireless adapters (A, B, C).
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 332 with each other. When Int ra-BSS is disabled, wirel ess client A and B can sti ll access the wired network but cannot communicate with eac h other.
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 333 An ESSID (ESS IDentification ) uniquely identifi es each ESS. All access p oints and their associated wirel ess clients within the same ESS must have the same ESSID in order to comm unicate.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 334 wireless gateway, but out-of-range of each other, so t hey cannot "hear" each other, that is they do not know if the channel is currently being used. Therefore, they are consider ed hi dden from each other.
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 335 Fragmentation Threshold A Fragmentation Threshold is the maximum data fragment size (between 256 and 2432 bytes) that can be sent in the wireless network before the AP will fragment the packet into smaller data frames.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 336 several intermediate rate steps between the maximum and minimum data rates. The IEEE 802.
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 337 IEEE 802.1x In June 2001, the IEEE 802.1x standard wa s designed to extend the features of IEEE 802.11 to support extended authentica tion as well as providing addi tional accounting and control features.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 338 • Access-Challeng e Sent by a RADIUS server reques ting more informat ion in order to allow access. The access point sends a proper response from the user and then sends another Access- Request m essage .
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 339 However, MD5 authentication has some weaknesses. Since the authentication server needs to get the plai ntext passwor d s, the passwords must be stored. Thus someone other than the auth entication server may access t he password file.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 340 Dynamic WEP Key Exchange The AP maps a unique key that is generated with the RADIUS server. This key expires when the wireless connection ti me s out, disc onnects or reauthentication times out.
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 341 If the AP or the wireless clients do no t support WPA2, just use WPA or WPA-PSK depending on whether you have an external RADIUS server or not. Select WEP only when the AP and/or wireless clients do not support WPA or WPA2.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 342 keys. This prevent all wireless devices s haring the same encryption keys. (a weakness of WEP) User Authentication WPA and WPA2 apply IEEE 802.1x and Extens ible Authenti cation Protocol (EAP) to authenticate wireless clients using an ex ternal RADIUS database.
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 343 3 The RADIUS server distributes a Pairwise Master Key (PMK) key t o the AP that then sets up a key hierar chy and management syst em, usi.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 344 4 The AP and wireless clients use the TKIP or AES encryption process to encrypt data exchanged between them.
Appendix B Wir eless LANs NWA-3500/NWA-3550 User’s Guide 345 Antenna Overview An antenna couples RF signals onto air. A transmitter wi thin a wireless device sends an RF signal to the antenna, whic h propagates the signal through the air. The antenna also operates in reverse by capturing RF signals from the air.
Appendix B Wireless LANs NWA-3500/NWA-3550 User’s Guide 346 • Omni-directional antennas send the RF si gn al out in all directions on a horizontal plane. The coverage area is torus-sh aped (like a donut) which makes these antennas ideal for a room environment.
NWA-3500/NWA-3550 User’s Guide 347 A PPENDIX C Pop-up Windows, JavaScripts and Java Permissions In order to use the web configurator you need to allow: • Web browser pop-up windows from your devi ce. • JavaScripts (enabled by default). • Java permissions (enabled by default).
Appendix C Pop-up Windows, JavaScripts and Java Perm issions NWA-3500/NWA-3550 User’s Guide 348 1 In Internet Explorer, select Tools , Internet Options , Privacy . 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.
Appendix C Pop-up Windows, JavaScripts and Java Per missions NWA-3500/NWA-3550 User’s Guide 349 2 Select Settings… to open the Pop-up Blocker Settings screen. Figure 226 Internet Options: Privacy 3 Type the IP address of your device (the web page that you do not want t o have blocked) with the prefix “http ://”.
Appendix C Pop-up Windows, JavaScripts and Java Perm issions NWA-3500/NWA-3550 User’s Guide 350 4 Click Add to move the IP address to the list of Allowed si tes . Figure 227 Pop-up Blo cker Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setti ng.
Appendix C Pop-up Windows, JavaScripts and Java Per missions NWA-3500/NWA-3550 User’s Guide 351 1 In Internet Explorer, click Tools , Internet Options and then the Security tab . Figure 228 Internet Options: Secu rity 2 Click the Custom Level... button .
Appendix C Pop-up Windows, JavaScripts and Java Perm issions NWA-3500/NWA-3550 User’s Guide 352 6 Click OK to close the window. Figure 229 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer, click Tools , Internet Options and then the Security tab.
Appendix C Pop-up Windows, JavaScripts and Java Per missions NWA-3500/NWA-3550 User’s Guide 353 5 Click OK to close the window. Figure 230 Security Settings - Java JAVA (Sun) 1 From Internet Explorer, click Tools , Internet Options and then the Advanced tab.
Appendix C Pop-up Windows, JavaScripts and Java Perm issions NWA-3500/NWA-3550 User’s Guide 354 3 Click OK to close the window. Figure 231 Java (Sun).
NWA-3500/NWA-3550 User’s Guide 355 A PPENDIX D Importing Certificates This appendix shows you how to i mport public key c ertificates into your web browser. Public key certificates are used by web br owsers to ensure that a secure web site is legitimate.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 356 1 If your device’s web configurator is set to use SSL certification, then t he first time you browse to it you are presented with a certification error. Figure 232 Internet Explorer 7: Cert ification Error 2 Click Continue to this website (not recommended) .
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 357 4 In the Certificate dialog box, c lick Install Certificate . Figure 235 Internet Explorer 7: Cert ificate 5 In the Certificate Import Wizard , click Next .
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 358 6 If you want Internet Explorer to Automatically select certificate store based on the type of certificate , click Next again and then go to step 9.
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 359 8 In the Select Certificate Store dialog box, choose a location in which to save the certificate and then clic k OK . Figure 239 Internet Explorer 7: Select Certificate Store 9 In the Completing the Certificate Import Wizard screen, click Finish .
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 360 10 If you are presented with another Security Warning , click Yes . Figure 241 Internet Explorer 7: Securit y Warning 11 Finally, click OK when presented with the su cces sful certificate installation message.
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 361 Installing a Stand-Alone Certifi cate File in Internet Explorer Rather than browsi ng to a ZyXEL web co nfigurator and installing a public key certificate when prompted, you can install a stand-alone certificate file if one has been issued to you.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 362 1 Open Internet Explorer and click Tools > Internet Options . Figure 246 Internet Explorer 7: T ools Menu 2 In the Internet Options dialog box, cl ick Content > Certificates .
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 363 3 In the Certificates dialog box, click the Trusted Root Certificates Authorities tab, sele ct the ce rtificat e that you want to de lete, and then clic k Remov e . Figure 248 Internet Explorer 7: Cert ificates 4 In the Certificates confirmation, click Yes .
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 364 6 The next time you go to the web site that issued the public key certificate you just removed, a certification error appears. Firefox The following example uses Mozilla Fi refox 2 on Windows XP Professional; however, the screens can also apply to Firefox 2 on all platforms.
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 365 3 The certificate is stored and you can now connect securely to t he web configurator. A sealed padlock appears in the address bar, which you can click to open the Page Info > Security window to view the web page’s securit y informat ion.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 366 1 Open Firefox and click Tools > Options . Figure 253 Firefox 2: Tools Menu 2 In the Options dialog box, click Advanced > Encryption > View Certificates .
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 367 3 In the Certificate Manager dialog box, cli ck Web Sites > Import . Figure 255 Firefox 2: Cert ificate Manager 4 Use the Select File dialog box to lo cate the certificate and then cli ck Open .
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 368 Removing a Certificate in Firefox This section shows you how to remove a public key certificate in Firef ox 2. 1 Open Firefox and click Tools > Options . Figure 257 Firefox 2: Tools Menu 2 In the Options dialog box, click Advanced > Encryption > View Certificates .
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 369 3 In the Certificate Manager dialog box, select the Web Sites tab, select the certificate that you want to remove, and then click Delete . Figure 259 Firefox 2: Cert ificate Manager 4 In the Delete Web Site Certificates dialog box, click OK .
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 370 1 If your device’s web configurator is set to use SSL certification, then t he first time you browse to it you are presented with a certification error. 2 Click Install to accept the certi ficate.
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 371 Installing a Stand-Alone Ce rtificate File in Opera Rather than browsi ng to a ZyXEL web co nfigurator and installing a public key certificate when prompted, you can install a stand-alone certificate file if one has been issued to you.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 372 2 In Preferences , click Advanced > Security > Manage certificates . Figure 264 Opera 9: Prefer ences.
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 373 3 In the Certificates Manager , click Authorities > Import . Figure 265 Opera 9: Certificate manager 4 Use the Import certificate dialog box to locate the certificate and then click Open.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 374 5 In the Install authority certificate dialog box, cl ick Install . Figure 267 Opera 9: Install auth ority certificate 6 Next, click OK .
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 375 1 Open Opera and click Tools > Preferences . Figure 269 Opera 9: Too ls Menu 2 In Preferences , Advanced > Security > Manage certificates .
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 376 3 In the Certificates manager , select the Authorities tab, select t he certificate that you want to remove, and then click Delete .
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 377 2 Click Continue . Figure 272 Konquero r 3.5: Server Authentication 3 Click Forever when prompted to accept the certificate.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 378 Installing a Stand-Alone Cert ificate File in Konqueror Rather than browsi ng to a ZyXEL web co nfigurator and installing a public key certificate when prompted, you can install a stand-alone certificate file if one has been issued to you.
Appendix D Importi ng Certificates NWA-3500/NWA-3550 User’s Guide 379 3 The next time you visit the web site, clic k the padlock in the address bar to open the KDE SSL Inf ormation window to view the web page’s security detail s. Removing a Certificate in Konqueror This section shows you how to remove a public key certificate in Konqueror 3.
Appendix D Importing Certificates NWA-3500/NWA-3550 User’s Guide 380 4 The next time you go to the web site that issued the public key certificate you just removed, a certification error appears.
NWA-3500/NWA-3550 User’s Guide 381 A PPENDIX E IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify individ ual devices on a network. Every networking device (including computers, servers, routers, printers, etc.
Appendix E IP Addre sses and Subnetting NWA-3500/NWA-3550 User’s Guide 382 The following figure shows an example IP address in which the first three octets (192.
Appendix E IP Addresses and Subnetting NWA-3500/NWA-3550 User’s Guide 383 By convention, subnet masks always cons ist of a continuous sequence of ones beginning from the leftmost bit of the mask , followed by a continuou s sequence of zeros, for a total number of 32 bits.
Appendix E IP Addre sses and Subnetting NWA-3500/NWA-3550 User’s Guide 384 As these two IP addresses cannot be us ed for individual hosts, calculat e the maximum number of possible host s in a netwo.
Appendix E IP Addresses and Subnetting NWA-3500/NWA-3550 User’s Guide 385 Subnetting You can use subnetting to divide one netw ork into multiple sub -networks . In the following example a network administrator creates two sub-networks to isol ate a group of servers from the rest of th e company network for security reasons.
Appendix E IP Addre sses and Subnetting NWA-3500/NWA-3550 User’s Guide 386 The following figure shows the company network afte r subnetting. Th ere are now two sub-n etworks, A and B .
Appendix E IP Addresses and Subnetting NWA-3500/NWA-3550 User’s Guide 387 Each subnet contains 6 host ID bit s, giving 2 6 - 2 or 62 hosts for each subnet (a host ID of all zeroes is t he subnet it self, all ones is the subnet’s broadc ast address).
Appendix E IP Addre sses and Subnetting NWA-3500/NWA-3550 User’s Guide 388 Example: Eight Subnets Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111). The following table shows IP address last octet values for each subnet.
Appendix E IP Addresses and Subnetting NWA-3500/NWA-3550 User’s Guide 389 The following table is a summary for subnet planning on a network with a 16-bi t network number. Configuring IP Addresses Where you obtain your networ k number depends on your partic ular situation.
Appendix E IP Addre sses and Subnetting NWA-3500/NWA-3550 User’s Guide 390 you entered. You don't need to c hange the subnet mask co mputed by the NWA unless you are instru cted to do otherwise. Private IP Addresses Every machine on the Internet must have a unique address.
NWA-3500/NWA-3550 User’s Guide 391 A PPENDIX F Text File Based Auto Configuration This chapter describes how administ rators can use text configuration files to configure the wireless LAN setti ngs for multiple APs .
Appendix F Text File Ba sed Auto Configuration NWA-3500/NWA-3550 User’s Guide 392 You can have a different configuration file for each AP. You can also have multiple APs use the same configuration file.
Appendix F Text File Ba sed Auto C onfiguration NWA-3500/NWA-3550 User’s Guide 393 Use the following procedure to have th e AP download the configuration file. Verifying Your Configurat ion File Upload Via SNMP You can use SNMP management software to d isplay the configu ration file version currently on the device by using the following MIB.
Appendix F Text File Ba sed Auto Configuration NWA-3500/NWA-3550 User’s Guide 394 The second line must speci fy the file ve rsion. The AP compares the file version with the version of the last configuration fi le t hat it downloaded. If the version of the downloaded file is the same or smalle r (older), the AP ignores the fi le.
Appendix F Text File Ba sed Auto C onfiguration NWA-3500/NWA-3550 User’s Guide 395 Wcfg Command Configuration File Examples These example configuration files use the wcfg command to configure security and SSID profiles. Figure 285 WEP Configura tion File Example Figure 286 802.
Appendix F Text File Ba sed Auto Configuration NWA-3500/NWA-3550 User’s Guide 396 Figure 287 WPA-PSK Configuration File Example Figure 288 WPA Configura tion File Example Wlan Command Configuration .
Appendix F Text File Ba sed Auto C onfiguration NWA-3500/NWA-3550 User’s Guide 397 commands that create security and SSID pr ofiles before the comm ands that tell the AP to use thos e profiles .
Appendix F Text File Ba sed Auto Configuration NWA-3500/NWA-3550 User’s Guide 398.
NWA-3500/NWA-3550 User’s Guide 399 A PPENDIX G Legal Information Copyright Copyright © 2009 by ZyXEL Communications Corporation. The contents of this publication may not be reproduced in any part o.
Appendix G Legal Information NWA-3500/NWA-3550 User’s Guide 400 • This device mus t accept any interf erence received, including inter ference that may cause undesired operations. This device has been tested and found to comply with the limits for a Cl ass B digital device pursuant to Part 15 of the FCC Rules.
Appendix G Legal Information NWA-3500/NWA-3550 User’s Guide 401 前項合法通信，指依電信規定作 業之無線電信。低功率射頻電機須 忍 受合法通信或工業、科學及醫.
Appendix G Legal Information NWA-3500/NWA-3550 User’s Guide 402 Note Repair or replacement, as provided unde r this warranty, is the exclusive remedy of the purchaser. This warranty is in lieu of all other warrantie s, express or implied, including any implied warrant y of merchantability or fitness for a particular use or purpose.
Index NWA-3500/NWA-3550 User’s Guide 403 Index A access 24 access point 24 access privileges 29 address 110 address assignment 110 , 185 address filtering 23 administrator authentication on RADIUS 117 Advanced Encryption Standard See AES.
Index NWA-3500/NWA-3550 User’s Guide 404 D default 284 DFS 141 Differentiated Services 153 DiffServ 152 DiffServ Code Point (DSC P) 153 DiffServ Code Points 153 DiffServ marking rule 153 dimensions .
Index NWA-3500/NWA-3550 User’s Guide 405 logs 235 M MAC address 23 , 174 , 179 MAC address filter action 181 MAC filter 30 MAC filtering 299 maintenance 23 management 23 Management Information Base .
Index NWA-3500/NWA-3550 User’s Guide 406 related documentation 3 remote management limitations 196 repeater 25 reset button 297 restore 283 RF interference 24 roaming 141 requirements 143 rogue AP 2.
Index NWA-3500/NWA-3550 User’s Guide 407 wireless Internet connection 24 wireless LAN 295 wireless modules (dual) 23 wireless security 29 , 155 , 295 , 33 6 WLAN interference 333 security parameters.
Index NWA-3500/NWA-3550 User’s Guide 408.
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 NWA-3550 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 NWA-3550 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ZyXEL Communications NWA-3550 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ZyXEL Communications NWA-3550 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ZyXEL Communications NWA-3550, 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 NWA-3550.
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 NWA-3550. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ZyXEL Communications NWA-3550 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.
