3Com WX2200 - Manual

Documentation Comments 11 „ Wireless LAN Switch Manager Reference Manual This manual shows you how to plan, configure, deploy, and manage a Mobility System wireless LAN (WLAN) using the 3Com Wireless LAN Switch Manager (3WXM). „ Wireless LAN Switch Manager User’s Guide (this document) This guide sho...

12 A BOUT T HIS G UIDE Example: „ Wireless LAN Switch and Controller Configuration Guide „ Part number 730-9502-0071, Revision B „ Page 25 Please note that we can only respond to comments and questions about 3Com product documentation at this e-mail address. Questions related to Technical Support or...

G ETTING S TARTED This chapter contains information about recommended system requirements you should meet for optimum 3WXM performance, installing 3WXM client and 3WXM Services software, and an introduction to using the 3WXM interface. Hardware Requirements for 3WXM Client Table 3 shows the minimum ...

14 C HAPTER 1: G ETTING S TARTED Hardware Requirements for 3WXM Services Table 4 shows the minimum and recommended requirements to run the 3WXM Services on Windows and Linux platforms. Software Requirements 3WXM client and 3WXM Services are each supported on the following operating systems: „ Micros...

Preparing for Installation 15 Preparing for Installation A licensed copy of 3WXM comes with a base license key. Before you install 3WXM, make sure you have the appropriate administrative privileges on the system. After you have installed 3WXM, you will need to register your license and the serial nu...

16 C HAPTER 1: G ETTING S TARTED Resource Allocation Table 5 contains general recommended guidelines for hardware requirements and memory allocation based on the number of radios and WX switches your server will support. A larger number of WX switches implies more connections and data processing, an...

Installing 3WXM 17 Installing 3WXM To install the 3Com Wireless Switch Manager, follow the instructions below for your operating system. Installing 3WXM on Windows Systems To install 3WXM on a Windows system: The 3WXM install program installs either just the 3WXM client, or both the 3WXM client and ...

Installing 3WXM 19 5 Open a shell window. 6 Use the cd command to go to the directory in which you saved the installation binary. 7 In the shell window, type sh ./install.bin . The Introduction page of the 3WXM installation wizard appears. 8 Click Next to display the Choose Installation Type page of...

20 C HAPTER 1: G ETTING S TARTED Start 3WXM Services 3WXM Services are automatically started when you install them on a Windows system. To start the 3WXM Services on a Unix or Linux System: To start 3WXM Services manually, type a command such as the following: solaris# rm-services start To stop 3WXM...

Connect 3WXM Clients to 3WXM Services 21 Configure 3WXM Services You can change the properties of 3WXM Services. If a firewall is enabled on the host where you install 3WXM Services, 3WXM Services will not be able to communicate with 3WXM client or with WX switches unless the firewall is configured ...

22 C HAPTER 1: G ETTING S TARTED „ Select the arrow buttons to change the SNMP Trap Receiver Port, which is the port on which SNMP traps are received. Also select the trap type (SNMPv1 or SNMPv3) you want 3WXM Services to receive from WX switches. On each switch in the network plan, you must enable ...

3WXM Interface 23 3WXM Access Control You can create a user account with administrator, provision, or monitor privileges. See Table 6 for basic privilege definitions. For a details, see the “Restricting Access to 3WXM” section in the “Getting Started” chapter of the Wireless LAN Switch Manager Refer...

24 C HAPTER 1: G ETTING S TARTED Display the Main Window When you start 3WXM client and log onto 3WXM Services, a network plan is displayed by the 3WXM client. (See Figure 2 on page 25.) „ Organizer panel displays a network tree representing your WLAN’s devices and configurations on those devices. Y...

3WXM Interface 25 Figure 2 Main 3WXM Window with Open Network Plan Using the Toolbar and Menu Bar The main 3WXM window has a toolbar that provides quick access to features. You can use the Back and Forward buttons to cycle through your display selections. The menu bar (located above the toolbar) pro...

P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM This chapter contains information about planning and managing your wireless network with 3WXM. Planning your wireless network is highly recommended because it not only helps you configure and deploy it, but also aids in scaling and monitorin...

30 C HAPTER 2: P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM Which Services To Provide? What is a service? : A service is a concept (not a selectable item in the 3WXM interface) that represents a set of options you configure and deploy on your wireless network. You configure services to...

Network Plan 31 Network Plan What is a network plan? : A network plan is the workspace in 3WXM you use to design a wireless network. Why is this important? : You can better manage and visualize your network topology by creating a detailed and accurate network plan. You can start by creating a device...

32 C HAPTER 2: P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM „ RF Auto-Tuning with Modelling , as with the RF Auto-Tuning technique, lets you set the auto tuning feature to adjust power and channel settings to provide RF signals to the coverage area for your users. Enhance the auto tuni...

RF Coverage Area 33 RF Planning To do RF Planning, you provide detailed information about your site and buildings by importing AutoCAD DXF™, AutoCAD DWG, JPEG, or GIF floor plan files of the buildings into 3WXM. As you import the floor plans, you can modify them to add or remove RF obstacles. You de...

Configuration 35 If RF Planning does not fit your requirements now, you can always use the RF Planning technique in the future when you have the need, the time, and the necessary floor plans available. You also can leverage the data in RF Auto-Tuning and convert these RF measurements to configured b...

36 C HAPTER 2: P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM This section contains information about: „ “Wireless Configuration” on page 36 „ “AAA Security Configuration” on page 38 „ “System and Administration Configuration” on page 40 Wireless Configuration Wireless configuration focu...

Configuration 37 You must configure a radio profile to set attributes that you can apply to multiple radios. Rather than configuring each radio individually, you create a radio profile and apply it to multiple radios that you select. You can also create a radio profile as part of a policy and apply ...

38 C HAPTER 2: P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM If the services are being used to advertise multiple wireless service providers (WISP), such as T-Mobile TM , Wayport ® , and Boingo Wireless TM , then these services would probably be completely open. However, they would like...

Configuration 39 Figure 6 Authentication Flowchart for Network Users last-resort? web? none? Client associates with 3Com radio or requests access from wired authentication port Use fallthru authentication Yes No Yes Yes Yes Yes No Yes Yes No No No No Client requestsencrypted SSID? Client 802.1X rule...

40 C HAPTER 2: P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM Authorization Authorization is the method for providing users with specific rights to the network by associating attribute-value (AV) pairs to the user. AAA authorization works by assembling a set of attributes that describe w...

Configuration 41 You can create the following types of WX switches: „ WX4400—Provides four dual-interface gigabit Ethernet ports. Each port has a 1000BASE-TX copper interface and a Gigabit interface converter (GBIC) slot for insertion of a 1000BASE-SX or 1000BASE-LX fiber-optic interface. „ WX1200—P...

42 C HAPTER 2: P LANNING AND M ANAGING Y OUR W IRELESS N ETWORK WITH 3WXM For detailed information about configuring basic WX switch properties, see the Wireless LAN Switch and Controller Quick Start Guide . Configure WX Switch Connection Information You need to supply connection information for the...

Deployment 43 b If you are indirectly connecting the WX to the switch, plug the other cable end(s) to an available network port on the wiring closet switch. If the switch does not supply PoE, then ensure that a mid-span PoE device is inserted in-line with the connection. Deployment What is deploymen...

Management and Monitoring 45 „ RF neighborhood „ Transmitters (heard by this radio) „ Listeners (who heard this radio) „ Neighbors „ BSSID to SSID mapping „ Channel „ RSSI Statistics collected for the RF environment provides data on a per-channel basis. You can view noise levels, cyclic redundancy c...

Management and Monitoring 47 Verification Both configuration verification and network verification rules are checked for any inconsistencies or problems. Verification rules include “instant fix” resolutions. Instant fix resolutions are errors that can be automatically fixed, or alternatively providi...

RF Plan Optimization 49 Based on RF measurement data you gather in 3WXM to optimize the RF model of a floor, you can make configuration changes in the software to improve signal strength and coverage for groups or individuals, modify MAP locations, or add additional equipment to your wireless networ...

52 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Configure Employee Access Services Services for Employee access are typically configured to provide secure, encrypted access to the wireless network. The following sections provide information about how to configure Employee access: „ “Task Table” on p...

Configure Employee Access Services 53 “Configure RADIUS Servers” on page 58 1 Tool bar option: select Configuration. 2 Organizer panel: expand the WX switch. 3 Expand AAA. 4 Click RADIUS. 5 Select RADIUS Server in the Task List. From the Create RADIUS Server wizard: „ Name: enter server name „ IP Ad...

54 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Step Summary The following list summarizes the fields selected or configuration items entered in the example that follows to configure Employee access: 1 Create a radio profile. „ From the Radio Profile wizard, enter RadioProfile1 as the name of the ra...

Configure Employee Access Services 55 „ Configure each user record with either the VLAN-Name attribute or the RADIUS Tunnel-Private-Group-ID. „ Configure 802.1X authentication rules. 3 Configure the RADIUS server in 3WXM: „ From the Create RADIUS wizard, enter sg1 as the Name of the server, the serv...

56 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES In general, these same steps are required to configure other services, too. You can refer back to this section, using the summary list or the task table, with configuration options for “Configure Guest Access Services” on page 69 or “Configure Voice ov...

Configure Employee Access Services 57 5 Enter the name of the radio profile, then click Next at the bottom of the wizard. 6 If MAPs are already configured, select the radios to map to the radio profile, then click Move . 3WXM removes the radios from the radio profile they are in and places them in t...

58 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Configure RADIUS Servers Remote Authentication Dial-In User Service (RADIUS) is a client-server security protocol that provides authentication, authorization, and accounting for network users and devices. A RADIUS server stores user profiles, which inc...

Configure Employee Access Services 59 5 Type the name, IP address, and key, then click Next . 3WXM suggests the name of a server group to place the server in. The server group is required because AAA rules refer to server groups, not to individual servers. 6 Click Finish to save the server and creat...

60 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Configure Attributes on the RADIUS Server To authenticate users, you will need to configure users either in the local database or on RADIUS servers. To configure services for Employee access, the following items should be configured on the RADIUS serve...

Configure Employee Access Services 61 4 Configure each user record with authorization rules (username and password) and with either the Vlan-Name attribute (3Com VSA) or the RADIUS Tunnel-Private-Group-ID to assign users to VLANs. Other attributes are optional. Create a Service Profile for 802.1X Ac...

62 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES 5 Click Next . 6 Change the service profile name to Secure-802.1X-Employees , and use Employees as the SSID, as shown in the figure on the next page. 7 Click Next . Select WPA and deselect Dynamic WEP.

64 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES 13 Click Finish . The new service profile appears in the Content panel. View the Service Profile’s Access Rules Every service profile requires access rules. The access rules specify the usernames or MAC addresses that are allowed to access the SSID. Th...

Configure Employee Access Services 65 To view an 802.1X service profile’s access rules 1 Select the service profile in the Wireless Service Profiles table (located in the Content panel). A Setup group appears in the Task List panel. 2 In the Task List panel, select 802.1X Access. The Configure 802.1...

66 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES The 802.1X Service Profile wizards uses the ** userglob in the access rule. You can use this rule, modify it, or delete it and create a new one. You also can create additional rules. For syntax information, see the “Wireless Service Parameters” section...

Configure Guest Access Services 69 Configure Guest Access Services Guest access is access for visitors at your location and is typically clear (no encryption). This section contains the following information about how to configure Guest access services: „ “Task Table” on page 69 „ “Step Summary” on ...

Configure Guest Access Services 73 Leave the VLAN name unassigned. For Web Portal access, you specify the VLAN name when you configure the guest service profile. (See step 8 on page 77.) 6 Click Next . The wizard lists the authorization attributes you can configure for the user. A very useful author...

74 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES To create a user group and add users to it 1 In the Task List panel, select User Group. 2 Type a name for the group in the name box and click Next . The wizard lists the authorization attributes you can configure for the group. For this example, leave ...

78 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES 10 Click Next . Select the location of the user information and click Add : „ LOCAL—The switch’s local database „ RADIUS server group—group of external RADIUS servers (For a server group to be available in the wizard, the group must already be configur...

Configure Guest Access Services 79 11 Click Next . The wizard shows the user names configured in the local database. The users created in “To create users” on page 72 are listed.

80 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Also listed is a user named web-portal- ssid , where ssid is the Web-Portal SSID name. This user is automatically created. The switch uses the web-portal- ssid username for users while they are in the portal and are being authenticated. After a user is...

Configure Guest Access Services 81 View the Service Profile’s Access Rules To view a Web-Portal service profile’s access rules 1 Select the service profile in the Wireless Service Profiles table (located in the Content panel). A Setup group appears in the Task List panel. 2 In the Task List panel, s...

Configure Voice over Wireless IP Service 83 For information about deploying your configuration and enabling monitoring your network, refer to: „ “Managing and Monitoring Your Network” on page 155. Configure Voice over Wireless IP Service Voice over Wireless IP (VoWIP) is a new technology, merging Vo...

86 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Create a Radio Profile for Voice This procedure is similar to the procedure in “Create a Radio Profile” on page 56, but has additional steps to change the delivery traffic indication map (DTIM) interval to 3. To create a radio profile for voice service...

Configure Voice over Wireless IP Service 87 The SpectraLink, Avaya, and Vocera options configure service for proprietary VoWIP solutions from these vendors. If you are configuring VoWIP for devices that use the Wi-Fi Multimedia (WMM) standard, or a proprietary solution other than one of the listed v...

Configure Voice over Wireless IP Service 89 10 Click Next . Leave TKIP enabled and click Next . 11 Click Next . Type a passphrase from 8 to 63 characters long in the Pre-shared Key box and click Generate .

92 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES Create a Service Profile for Avaya VoWIP Devices 1 Select Configuration on the toolbar. 2 In the Organizer panel, expand the WX switch. 3 Expand Wireless, then select Wireless Services. 4 In the Task List panel, select Voice Service Profile. The Voice ...

96 C HAPTER 3: C ONFIGURING W IRELESS S ERVICES For information about deploying your configuration and enabling monitoring your network, refer to: „ “Managing and Monitoring Your Network” on page 155.

U SING RF A UTO -T UNING What Is RF Auto-Tuning? RF Auto-Tuning is a technique you can use to configure your RF (radio) network. RF Auto-Tuning is a quick method that requires minimal configuration and no RF planning or site surveys, and instead, relies on the AutoTune feature to set MAP channels an...

98 C HAPTER 4: U SING RF A UTO -T UNING Place Your Equipment You will need to unpack and physically install your WX switches and MAPs. For information about installing your equipment, see “Equipment Installation” on page 42. Configure Initial WX Switch Connectivity After installing a WX switch, you ...

Create a Service Profile 99 3WXM uses its verification rules to check the switch’s configuration. If an item in the configuration generates an error or warning, 3WXM displays the error or warning message. 7 Review the verification messages to determine whether you will need to make changes to the sw...

Create Your MAPs 101 Create Your MAPs Depending on how your MAPs are connected to a WX switch, you need to create a direct connect MAP or a distributed MAP in your network plan in 3WXM. A direct connect MAP is connected to the wired network through a direct 10/100 Ethernet connection to a WX switch....

Create Your MAPs 103 5 In the Fingerprint box, type the 16-digit hexadecimal number of the MAP’s encryption fingerprint. Use either of the following formats: „ 11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:00 „ 1122:3344:5566:7788:99aa:bbcc:ddee:ff00 A MAP’s fingerprint is the hash value of the MAP’s...

104 C HAPTER 4: U SING RF A UTO -T UNING Apply a Radio Profile to Each Radio When you create a MAP, a new radio (or radios, depending upon the type of MAP created) are added into 3WXM. The radios use the default radio profile in 3WXM unless you create a new radio profile and apply it to each radio o...

U SING RF A UTO -T UNING WITH M ODELLING What Is RF Auto-Tuning with Modelling? RF Auto-Tuning with modelling is a technique you can use to configure and implement your network that builds on the RF Auto-Tuning method. You will, as the name implies, still use RF Auto-Tuning (auto tuning) to adjust p...

106 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING Add Site Information By adding minimal information about your buildings and floors at your site, you support improved monitoring for your network. You can manually add building and floor information or you can import a floor. For information a...

Add Site Information 107 5 In the Starting Floor Level box, specify the floor number of the first floor in the building. To start with a subterranean floor, you can specify 0 or a negative floor number. 6 In the Skip Floor Levels box, specify floor numbers you want to skip. Skipping floors is useful...

108 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING Insert RF Obstacles Add major RF obstacles that will affect the placement of your MAPs, such as solid walls, barriers, or elevator shafts. To add RF obstacles 1 Display the floor plan in the Content panel. 2 In the Task List panel, click Tools...

Insert RF Obstacles 109 A default attenuation factor is displayed for the object type, or, you can select an attenuation factor that you believe more closely matches the RF obstacle. 6 Click Finish . The RF obstacle is added to your floor layout.

110 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING Create Your RF Coverage Area To create your RF coverage area, you create a wiring closet (mandatory if you have direct MAPs in your plan), designate an area for RF coverage, and add your distributed MAPs or direct MAP s to the coverage area. D...

Create Your RF Coverage Area 111 Create Your RF Coverage Area To create your RF coverage area 1 Display the floor plan in the Content panel. 2 In the Task List panel, click Tools . 3 In the Create area under Coverage Area, click one of the icons and draw the RF coverage area you want to add to the f...

112 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING 5 In the Name box for each technology, type a name for the coverage area (1 to 60 characters long, with no tabs). 6 In the Rate [Mb/s] list for each technology, select the average desired association rate for typical clients in this coverage a...

Create Your RF Coverage Area 113 9 To change the ceiling height, specify the new height in the Height of the Ceiling box. 10 To change the height where MAPs are mounted, specify the new mounting height in the MAP Placement Height box. 11 Click Next . The Default Device Settings page appears.

114 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING 12 To change the default WX switch model, select the model from the WX Model list. 13 To change the default MAP model, select the model from the Default AP Model list. 14 To change the MAP connection type, select the type from the AP Connectio...

116 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING 23 In the Station Oversubscription Ratio list, select the ratio for the average transmit behavior of the stations. The station oversubscription ratio is the ratio of active clients compared to total clients. For example, the ratio 5:1 indicate...

Create Your RF Coverage Area 119 5 Click the Associations tab to display area associations information for the coverage area. 6 In the Available Access Points box, select one or more available MAPs to use in the coverage area, then click Add to move the MAPs to the Current Access Points box. 7 Click...

120 C HAPTER 5: U SING RF A UTO -T UNING WITH M ODELLING 9 Click on the MAP icon, then click on the location where you installed the MAP. The MAP icon moves from the Objects To Place panel to its location on the floor. What’s Next? This section provides cross references to information on the followi...

U SING RF P LANNING What is RF Planning? RF Planning is a technique you can use to import detailed information about your site into 3WXM, add RF obstacle information and third-party APs, and configure your RF coverage area at a finer level than is possible using the RF Auto-Tuning with modelling tec...

122 C HAPTER 6: U SING RF P LANNING Prepare the Floor Drawings If your floor drawings are contained in JPEG or GIF files, this step does not apply. Go directly to “Define Site Information” on page 123. If you plan to import AutoCAD DXF™ or AutoCAD DWG files into 3WXM, you should perform some “clean ...

Define Site Information 123 After you import the file into 3WXM, you have the opportunity to remove any unnecessary objects overlooked during your initial preparation of the floor drawings. To do this, you can use the Clean Layout feature and other editing tools in the Building wizard. For more info...

124 C HAPTER 6: U SING RF P LANNING 2 In the 3WXM Services Connection dialog box, enter the IP address of a host running 3WXM Services, optionally enter a user name and password, and click Next . If the 3WXM Service is installed on the same machine as the one you are using to run 3WXM, enter 127.0.0...

Define Site Information 125 To add site information 1 Select the RF Planning tool bar option. 2 In the Organizer panel, click the name of the network plan. 3 Select Create Site in the Task List panel. The Create Site wizard, a series of dialog boxes, prompts you for information about the new site. 4...

126 C HAPTER 6: U SING RF P LANNING To create a building 1 In the Organizer panel, click the site name. 2 Select Create Building in the Task List panel. The Create Building wizard prompts you for information about the new building. 3 In the Building Name box, type the name of the building (1 to 30 a...

128 C HAPTER 6: U SING RF P LANNING Import a Floor Plan Import existing floor plans into 3WXM. The file can be in one of the AutoCAD DXF, AutoCAD DWG, JPEG, or GIF formats. 3Com recommends that you modify the AutoCAD files from AutoCAD to remove unnecessary objects and layers; then save them in .dxf...

Define Site Information 129 Set the Scale Set the scale on your floor plan to better define the distance between objects in your network. To set the scale 1 Display the floor plan in the Content panel. 2 Click on the toolbar. a Draw a line on the floor plan over an object whose length you know; for ...

130 C HAPTER 6: U SING RF P LANNING Clean Layout Clean up your floor drawings further if unnecessary objects still remain after you your initial floor drawing cleanup. Note the following when cleaning up a drawing: „ Drawing cleanup does not apply to GIF or JPEG drawings. „ Drawing cleanup does not ...

Define Site Information 131 3 Click Next . Cleanup progress is displayed at the bottom of the wizard. 4 You can display a Before Cleanup and After Cleanup view when cleanup is complete.

132 C HAPTER 6: U SING RF P LANNING 5 When you are satisfied with the results, click Finish .

Model RF Obstacles 133 Model RF Obstacles When planning a 3Com network, you need to consider how the building layout and physical objects affect signal loss. Walls, windows, and doors absorb RF signals, and different building materials have different attenuation factors. You can model an RF obstacle...

134 C HAPTER 6: U SING RF P LANNING 3 Select Create RF Obstacles from the menu that is displayed. The Create RF Obstacle dialog box appears. 4 Define the RF obstacle. 5 Click Finish . The layer’s objects are now obstacles in your floor plan. Import a Site Survey You can import RF measurement data by...

Plan RF Coverage 135 Plan RF Coverage How you plan the RF coverage for your network depends on whether you are planning for the widest coverage or are planning for capacity. There are other contributing factors. One group of users may be mobile and require high throughput performance (a higher bandw...

Plan RF Coverage 137 When you draw a coverage area, it aligns to the grid to provide a whole number for width and height of the shape. To create a coverage area 1 Display the floor plan in the Content panel. 2 In the Task List panel, click Tools . 3 In the Create area under Coverage Area, click one ...

144 C HAPTER 6: U SING RF P LANNING 34 In the Wiring Closet list, select the wiring closet that contains the WX switch or switches to be connected to the shared MAPs. If the MAPs will be directly connected to WX switches, a wiring closet is required. If all the MAPs in the coverage area will be indi...

Plan RF Coverage 145 To determine the number and placement of MAPs 1 Display the floor plan in the Content panel. 2 In the Task List panel, click RF Planning . 3 Under RF Planning, click Compute and Place . The Compute and Place wizard appears. 4 To remove a coverage area from MAP placement and comp...

146 C HAPTER 6: U SING RF P LANNING 7 Review the number of MAPs required for each coverage area, and the overriding criterion used (coverage or capacity). 8 Click Finish to apply the changes. Icons for the suggested MAP locations appear on the floor plan. Assign Channel Settings After identifying th...

Plan RF Coverage 147 To assign channels 1 Display the floor plan in the Content panel. 2 In the Task List panel, click RF Planning . 3 Under RF Planning, click Assign Channels . The Channel Assignment wizard appears, showing the current channel assignment constraints. 4 To change the starting floor ...

148 C HAPTER 6: U SING RF P LANNING 9 Review the results. The 802.11a channel assignments are listed on the 802.11a Radio(s) tab. The 802.11b/g channel assignments are listed on the 802.11b/g Radio(s) tab. 10 Click Finish to accept the channel assignments. The new channel assignments are reflected i...

150 C HAPTER 6: U SING RF P LANNING Display Coverage Looking at the RF coverage allows you to see if the entire area is adequately covered by the MAPs. You can move the MAPs and see how the coverage changes. To display the RF coverage for an area 1 Beside Show RF Coverage Using , select how you want...

Generate a Work Order 151 If the coverage area provided by a MAP on the floor above or below is one meter or less, 3WXM displays a message. This coverage area is not displayed on the floor plan. Generate a Work Order You can generate a work order as part of your wireless network planning. The work o...

152 C HAPTER 6: U SING RF P LANNING 4 Specify the work order options. 5 In the Language list, select English or German . The language you select is the language used when you next access this page. 6 To select the directory to which the work order report is saved, click Choose . The Select dialog bo...

Install the Equipment 153 Install the Equipment After you print the work order from 3WXM, you can distribute it to your installers. The work order shows where to install the 3Com equipment. If you have specified third-party APs in the network plan, those will be considered in the work order, too. Fo...

M ANAGING AND M ONITORING Y OUR N ETWORK This chapter provides information to help you deploy the services you configured for your wireless network, enable communication between a 3WXM client and 3WXM Services, and enable and configure monitoring. This chapter also provides three monitoring examples...

Perform Basic Administrative Tasks 157 To verify your deployment 1 Leave the Devices tool bar option selected. 2 Look in the Deploy Status column for the switch(es) to which you deployed configuration information. The status should be Deploy Completed . You also can verify successful deployment by c...

158 C HAPTER 7: M ANAGING AND M ONITORING Y OUR N ETWORK „ SSH—By default, SSH is enabled. You can use SSH for encrypted access to the CLI. „ SNMP—By default, SNMP is disabled. You can configure SNMP community strings and User Security Model (USM) users, notification profiles, and notification targe...

Distributing System Images 159 Distributing System Images You can use 3WXM to upgrade or downgrade the system image (MSS software) on WX switches. System images include switch software and MAP software. Using the Image Repository Use the image repository to add or delete WX system images. The image ...

Importing and Exporting Switch Configuration Files 161 If you need to roll back configuration changes, you can use a saved version to roll back the system software image and configuration files to a known state. Before you can save a version of a network plan, you need to deploy and save the network...

Monitoring Examples 163 4 To overwrite previously exported configuration files, select Overwrite Existing Files . If you do not select this option, you cannot export a configuration file with the same name as an existing file in the output directory. You can rename the existing file or move the file...

Monitoring Examples 165 4 Enter the type of search you want to perform, and select the scope for the search. 5 Click Next . The search results appear. Place User on Watch List If viewing the user’s current activity does not conclusively indicate the source of the problem, you can place the user on a...

166 C HAPTER 7: M ANAGING AND M ONITORING Y OUR N ETWORK You can also add a user to the watch list by clicking the Client Sessions tab in the Client Monitor view, selecting the client, and clicking the icon on the toolbar. Locate the User You can display the user’s approximate location by doing the ...

168 C HAPTER 7: M ANAGING AND M ONITORING Y OUR N ETWORK Using this data, you can determine whether the user’s problem is interference due to low bandwidth (Unicast Bytes in). 3 Select the Trend: Session Stats tab to display Operational Rate, SNR, and RSSI statistics. Signal to Noise Ratio (SNR) sta...

Monitoring Examples 171 Monitor a Rogue MAP radios automatically scan the RF spectrum for other devices transmitting in the same spectrum. The RF scans discover other 3Com radios, as well as third-party, non-3Com transmitters. MSS considers the non-3Com transmitters to be potential rogues, and place...

Monitoring Examples 173 Configuring Countermeasures You can enable MSS to use countermeasures against rogues. Countermeasures consist of packets that interfere with a client’s ability to use the rogue. Countermeasures are disabled by default. When you enable them, all devices of interest that are no...

174 C HAPTER 7: M ANAGING AND M ONITORING Y OUR N ETWORK 4 Select Radio Profiles . 5 In the Task List panel, click on Create Radio Profile . The Create Radio Profile wizard appears. 6 In the Name box, type the name of the radio profile (1 to 16 characters, with no spaces or tabs), and click Next . T...

Monitoring Examples 177 13 To disable active scanning for rogue devices, deselect Enable Active Scan. When active scan is enabled, radios send probe any requests (probe requests with a null SSID name), to solicit probe responses from other access points. Radios also passively scan by listening for b...

O PTIMIZING A N ETWORK P LAN Optimizing your network is a post-deployment technique. You can optimize your WLAN by importing RF measurement data to correct RF attenuation obstacle information in your network plan. You optimize your network plan because: „ You have a reported coverage problem in your...

Using RF Measurements from an Ekahau Site Survey 181 Using RF Measurements from an Ekahau Site Survey RF measurements come from a site survey file generated by the Ekahau Site Survey tool. To perform a site survey: „ In 3WXM—View your RF coverage area. „ In 3WXM—Generate a site survey work order, sp...

186 C HAPTER 8: O PTIMIZING A N ETWORK P LAN 8 Click Next . The import progress is displayed. When the import is done, check the Total valid RF measurements found line in the progress messages. „ If the number is greater than 0, 3WXM successfully imported measurements. „ If the number is 0, no measu...

Optimizing the RF Coverage Model 187 After you import your RF measurements, you correct the attenuation factors for the floor. Go to “Optimizing the RF Coverage Model” next for information about this topic. Optimizing the RF Coverage Model An attenuation library is a set of attenuation values for th...

188 C HAPTER 8: O PTIMIZING A N ETWORK P LAN „ The Total number of RF measurements that did not intersect any object line lists the number of measurements that did not experience attenuation due to an RF obstacle in the path between them. If the measurements came from a site survey file, they are me...

Locating and Fixing Coverage Holes 189 Locating and Fixing Coverage Holes After you import RF measurements and rebuild the attenuation library, you can look for coverage holes by displaying coverage. To locate coverage holes: „ Display the optimized RF coverage area to view the results of the correc...

190 C HAPTER 8: O PTIMIZING A N ETWORK P LAN 6 On the toolbar, click the radio type (A, B, or G) for which you want to display coverage. Coverage for the selected scope(s) is displayed. This example shows 802.11a coverage, by transmit data rate, for the coverage area CoverA. Locking Down MAPs To pre...

Locating and Fixing Coverage Holes 191 Fixing a Coverage Hole After you import RF measurements, rebuild the attenuation library, and display coverage, you can observe any wireless coverage holes in the network. To fix a coverage hole, use either of the following methods: „ Lock the MAPs in place, an...

192 C HAPTER 8: O PTIMIZING A N ETWORK P LAN 8 In the Organizer panel, click on Objects to Place . A list of the MAPs you created is displayed in the panel. 9 Click on the MAP icon, then click on the location where you installed the MAP. The MAP icon moves from the Objects To Place panel to its loca...

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194 A PPENDIX A: O BTAINING S UPPORT FOR Y OUR 3C OM P RODUCTS Purchase Extended Warranty and Professional Services To enhance response times or extend your warranty benefits, you can purchase value-added services such as 24x7 telephone technical support, software upgrades, onsite assistance, or adv...

Contact Us 195 Telephone Technical Support and Repair To obtain telephone support as part of your warranty and other service benefits, you must first register your product at: http://eSupport.3com.com/ When you contact 3Com for assistance, please have the following information ready: ■ Product model...

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Contact Us 197 US and Canada — Telephone Technical Support and Repair All locations: Network Jacks; Wired or Wireless Network Interface Cards: All other 3Com products: 1 847-262-0070 1 800 876 3266 Country Telephone Number Country Telephone Number

I NDEX Numbers 3Com Knowledgebase tool 193 3Com Professional Services 194 3Com resources, directory 195 3WXM software requirements 14 3WXM client 16 connecting to 3WXM monitoring service 20 hardware requirements 13 installing 17, 18 installing, resource allocation 16 installing, standalone mode 16 s...