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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 the RF obstacles
on a floor. After you import RF measurements from a site survey or apply
them from the RF measurements in your network to your network plan,
you rebuild a floor’s attenuation library using those RF measurements.

1

Display the floor plan in the Content panel.

2

In the Task List panel, click

RF Planning

.

3

Under Site Survey in the Task List panel, click

Optimize

.

A wizard appears, listing the progress of the request.

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Содержание OfficeConnect WX2200

Страница 1: ...w 3Com com Part No 10015403 Rev AA Published August 2006 Wireless LAN Mobility System Wireless LAN Switch Manager User s Guide WX4400 3CRWX440095A WX1200 3CRWX120695A WXR100 3CRWXR10095A WX2200 3CRWX2...

Страница 2: ...une 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this...

Страница 3: ...l Number and License Key 15 HP OpenView Network Node Manager 15 Resource Allocation 16 Installing 3WXM 17 Installing 3WXM on Windows Systems 17 Installing 3WXM on Linux Systems 18 Start 3WXM Services...

Страница 4: ...Configuration 40 Equipment Installation 42 Deployment 43 Management and Monitoring 43 Network Status 44 RF Monitoring 44 Client Monitoring 45 Rogue Detection 46 Event Logging 46 Verification 47 Report...

Страница 5: ...adio Profile and Map the Service Profile to It 100 Create Your MAPs 101 Apply a Radio Profile to Each Radio 104 What s Next 104 5 USING RF AUTO TUNING WITH MODELLING What Is RF Auto Tuning with Modell...

Страница 6: ...m Images 159 Using the Image Repository 159 Distributing System Images 159 Saving Versions of Network Plans 160 Importing and Exporting Switch Configuration Files 161 Monitoring Examples 163 Monitor a...

Страница 7: ...192 A OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 193 Solve Problems Online 193 Purchase Extended Warranty and Professional Services 194 Access Software Dow...

Страница 8: ......

Страница 9: ...nformation in this guide follow the instructions in the release notes Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com World Wi...

Страница 10: ...ventions Convention Description Menu Name Command Indicates a menu item that you select For example File New indicates that you select New from the File menu Monospace text Sets off command syntax or...

Страница 11: ...itch and Controller Hardware Installation Guide This guide provides instructions and specifications for installing a WX wireless switch in a Mobility System WLAN Wireless LAN Switch and Controller Con...

Страница 12: ...de 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 Su...

Страница 13: ...nt Table 3 shows the minimum and recommended requirements to run the 3WXM client on Windows and Linux platforms Table 3 Hardware Requirements for Running 3WXM Client on Windows and Linux Minimum Recom...

Страница 14: ...lowing additional software is required for certain 3WXM features Web browser for example Microsoft Internet Explorer 5 x or 6 x or Netscape Navigator 6 x or 7 x For displaying 3WXM online help work or...

Страница 15: ...s privileges for the 3WXM client are completely independent of access privileges for the monitoring service and are configured separately Serial Number and License Key 3WXM comes with a base license k...

Страница 16: ...when 3WXM client and 3WXM Services are installed on one machine Standalone mode is primarily used for trying out 3WXM while shared mode is used in a working environment In shared mode the administrat...

Страница 17: ...all the 3WXM Services only 1 Insert the 3WXM CD in the CD ROM drive If Autorun is enabled wait briefly for the install program to start If Autorun is disabled follow these steps a In Windows Explorer...

Страница 18: ...reen and then press the Contents button 7 Press the Exit button to close the wizard or navigate to the other items on the CD Installing 3WXM on Linux Systems The same 3WXM install program installs eit...

Страница 19: ...ed installation instructions see Installing 3WXM in the Wireless LAN Switch Manager Reference Manual Near the end of the installation process the installer displays the service ports 3WXM Services wil...

Страница 20: ...s or fully qualified hostname of the machine on which the service is installed If 3WXM Services is installed on the same machine as the one you are using to run 3WXM client enter 127 0 0 1 as the IP a...

Страница 21: ...d 162 by default To configure 3WXM Services 1 Select Tools 3WXM Services Setup dialog box from the 3WXM main tool bar The 3WXM Services Setup wizard is displayed By default a username and password are...

Страница 22: ...cess Control on page 23 The Auto Config IP Subnet Matching option is used for field replacement of WX switches For information see the Configuring WX Switches Remotely chapter in the Wireless LAN Swit...

Страница 23: ...trative access then click OK You must configure an admin account before you can configure provision or monitor accounts 4 Select Add Admin Account Add Provision Account or Add Monitor Account A dialog...

Страница 24: ...xt sensitive information about the device or configuration selected from the tree in the Organizer panel From the Content panel you can view 3Com devices and their status verify 3Com device configurat...

Страница 25: ...to features You can use the Back and Forward buttons to cycle through your display selections The menu bar located above the toolbar provides access to administrative options such as plan management...

Страница 26: ...isplay the next step Click Cancel to discard any changes made with the wizard When you are done click Finish or OK to save changes You can right click on many objects to display the Insert option Sele...

Страница 27: ...to access different types of help 1 Select Help Help to display HTML help about configuring and using 3WXM 2 Select Help Licensing to view product licensing information 3 Select Help Report Problem to...

Страница 28: ...28 CHAPTER 1 GETTING STARTED...

Страница 29: ...anning You plan your wireless network to support the services you want to offer your employees guests or customers Figure 3 describes the process you will follow to establish services in your company...

Страница 30: ...al encryptions 802 11i WPA WEP or unencrypted Purpose of this section To provide information about services that you can configure using 3WXM Why is this important Understanding the services you can c...

Страница 31: ...visualization you can create a detailed network plan This is done by importing detailed building and floor plans into 3WXM defining RF obstacles and defining the quality of coverage traffic engineeri...

Страница 32: ...s and your RF obstacles Each of these methods is described in the sections that follow RF Auto Tuning To use the RF Auto Tuning technique Physically place WX switches and the MAPs in their desired loc...

Страница 33: ...bstantial benefits Instead of you making a best guess as to how many MAPs you require for the desired coverage and where MAPs should be placed 3WXM automatically calculates how many MAPs you need and...

Страница 34: ...onary and require less throughput Additionally you may be planning for future capacity and need to add as much detailed information as you can about your site in order to plan for the future See Table...

Страница 35: ...mation about the software so that you can plan a configuration to support the services you require You will configure the wireless configuration and AAA security configuration for each service you pro...

Страница 36: ...onfiguration is done as you plan your RF coverage and create your radio profiles and service profiles A radio profile is used to apply common settings to multiple radios and each radio profile can sup...

Страница 37: ...old to control how packets are transmitted A default radio profile named default is provided and cannot be deleted For each service you want to provide you configure the following items in a service p...

Страница 38: ...witch Authentication Authentication is the method of determining whether a user is allowed access to your network Users can be authenticated by a RADIUS server pass through or by the WX switch local d...

Страница 39: ...No No No No Client requests encrypted SSID Client 802 1X rule that matches SSID responds Yes MAC rule that matches SSID No to 802 1X Authent succeeds Allow Client Yes Authent succeeds Allow Client Ye...

Страница 40: ...rdered list of location policy rules based on a user glob VLAN and or ports A Location Policy can be configured if you need to override the configured AAA user authorization attributes locally for a s...

Страница 41: ...s you specify a name select a model select its location by wiring closet and select the Mobility System Software MSS you want to run on the switch Optionally you can select an MSS image to download wh...

Страница 42: ...2 Plug the WX switch electrical cord into a power outlet 3 Connect a network access cable from your existing network to one of the Ethernet ports on the switch 10 100 or Gigabit Ethernet depending on...

Страница 43: ...until you send the changes to your network Any changes you make to your network in 3WXM are saved but not applied to your network until they are deployed This method makes it easy to apply configurat...

Страница 44: ...fies the number of rogue APs detected Local changes indicates changes in 3WXM that can be deployed to the network Network changes indicates configuration changes in the network You can display a topol...

Страница 45: ...ing Client monitoring provides current and historical information about the clients using your network including client activity watch list clients current client sessions and the ability to locate cl...

Страница 46: ...ogue list aggregated for the whole network Current hour rogue list Current day rogue list 30 days of rogue history using best listener data Rogue lifecycle events when the rogue was first seen by whom...

Страница 47: ...data collected in the database A report can have a selectable scope and a selectable time period and in some cases query filter parameters See Table 8 for a listing and description of the reports you...

Страница 48: ...tatistics gathered from The monitoring data in 3WXM A site survey Client Errors Provides data on client related health in the network over time for example if there is a large number of association fa...

Страница 49: ...roups or individuals modify MAP locations or add additional equipment to your wireless network if statistics indicate your network has outgrown the support provided by its current deployment of WX swi...

Страница 50: ...50 CHAPTER 2 PLANNING AND MANAGING YOUR WIRELESS NETWORK WITH 3WXM...

Страница 51: ...provide for guest and employee access in a single corporation may share a common radio profile In this way you can reuse part of the service configuration for other services you want to provide You co...

Страница 52: ...tasks you need to perform to create a service for employee access For a summary of configurable items see Step Summary on page 54 For detailed steps about how to perform each of these tasks see Examp...

Страница 53: ...e it On the RADIUS servers themselves configure the AAA backed not in 3WXM Set up each WX switch as a RADIUS client Define the 3Com vendor specific attributes VSAs in the RADIUS server s dictionary Co...

Страница 54: ...ss Services 5 Select 802 1X Service Profile in the Task List From the Create Service Profile wizard Service profile name edit name SSID name enter name Security mode select WPA and deselect Dynamic WE...

Страница 55: ...eave TKIP enabled Click Next Leave External RADIUS Server enabled Select the RADIUS server group and click Add Click Next Enter vlan mkt as the default VLAN to use if the VLAN is not assigned by RADIU...

Страница 56: ...le radios that you select Service profiles are mapped to radio profiles The radio profile can contain RF Auto Tuning settings and IEEE 802 11 settings that control how the data is received and transmi...

Страница 57: ...ios to map to the radio profile then click Move 3WXM removes the radios from the radio profile they are in and places them in the new profile If you have not configured the MAPs in 3WXM yet no radios...

Страница 58: ...US server attributes in 3WXM Configure attributes on the RADIUS server Configure RADIUS Server in 3WXM To configure RADIUS in 3WXM you define RADIUS server groups named sets of RADIUS servers You must...

Страница 59: ...k 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...

Страница 60: ...ccording to the procedure recommended in RFC 2865 with Vendor ID set to 14525 Table 10 describes the 3Com VSAs listed in order by vendor type number Table 10 3Com VSAs Attribute Type Rcv in Access Res...

Страница 61: ...eate an 802 1X service profile 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 802 1...

Страница 62: ...GURING WIRELESS SERVICES 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 des...

Страница 63: ...selected as the EAP Type 10 Select the RADIUS server group in the Available RADIUS Server Groups list and click Add 11 Click Next Type vlan mkt in the VLAN Name box 12 Click Next Select RadioProfile1...

Страница 64: ...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 The service profile wizards...

Страница 65: ...e encryption settings access rules and AAA settings for the service profile and allows you to change them You also can configure new access rules using the wizard 3 Click Next to page through the wiza...

Страница 66: ...set up for service sets support wireless users they don t serve as management VLANs If a WX is connected to the network by only one IP subnet the WX must have at least one VLAN configured Optionally e...

Страница 67: ...moving them from any other VLANs The Move button removes the ports from all other VLANs and places them in the new VLAN The ports appear in the Current Members list To tag ports in the VLAN select Tag...

Страница 68: ...Service on page 83 After you have created additional services you can create your RF environment and deploy your configuration and enable monitoring For information about creating your RF environment...

Страница 69: ...Also you can optionally configure mobility profiles for your Guest access services to limit access based on criteria such as RF coverage area or time of day Task Table Table 11 contains the tasks you...

Страница 70: ...Clear unencrypted VLAN Name enter name Authentication server select LOCAL or a RADIUS server group Radio profile select one Set Up VLANs on WX Switches on page 66 1 Tool bar option select Configuratio...

Страница 71: ...Click Finish 3 Create a Web Portal service profile From the Web Portal Service Profile wizard click Next and enter Web Portal Guests as the Name of the service profile and Guests as the SSID Click Ne...

Страница 72: ...gure Employee Access Services on page 52 are included in the following sections Create a User Group and Guest Users A simple way to administer guest user accounts is to configure a guest user group an...

Страница 73: ...the authorization attributes you can configure for the user A very useful authorization attribute for guest users is the end date which specifies the date and time when the user s network access expir...

Страница 74: ...ts the authorization attributes you can configure for the group For this example leave the attributes unconfigured If attributes are configured for a user and also for the group the user is in the att...

Страница 75: ...le for Guest Access with Web Login To create a Web Portal service profile 1 Select Configuration on the toolbar 2 In the Organizer panel expand the WX switch 3 Expand Wireless then select Wireless Ser...

Страница 76: ...76 CHAPTER 3 CONFIGURING WIRELESS SERVICES 5 Click Next 6 Change the service profile name to Web Portal Guests and use the name Guests for the SSID...

Страница 77: ...vlan Typing the VLAN name here does not actually configure the VLAN To configure a VLAN see Set Up VLANs on WX Switches on page 66 9 Click Next The wizard displays the ACL that will automatically be...

Страница 78: ...he 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 conf...

Страница 79: ...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...

Страница 80: ...y are in the portal and are being authenticated After a user is authenticated the username of the session changes to the user s login name If you need to add users you can do so from within the wizard...

Страница 81: ...which MAP ports Distributed MAPs or wired authentication ports are to be included Typically you include ports that are defined as MAP ports or Distributed MAPs You can specify that all or no ports ar...

Страница 82: ...ty Profile and click Add 8 Click Next In the Distributed MAPs list specify the Distributed MAPs to include in the Mobility Profile All Include all Distributed MAPs Go to step 10 Selected Include a sel...

Страница 83: ...cess Lists ACLs to restrict user access This section contains the following information about how to configure VoWIP services Task Table on page 83 Step Summary on page 85 Create a Service Profile for...

Страница 84: ...e the radio profile later as part of service profile configuration Create a Service Profile for Voice on page 86 1 Tool bar option select Configuration 2 Organizer panel expand the WX switch 3 Expand...

Страница 85: ...the Vendor SpectraLink Avaya Vocera or Other Click Next Select the access type The examples in this section use Open Access Click Next Select the data encryption method The examples in this section us...

Страница 86: ...ready 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 the new profile If you have not configured...

Страница 87: ...rs use the Other option Create a Service Profile for WMM VoWIP Devices 1 Select Configuration on the toolbar 2 In the Organizer panel expand the WX switch 3 Expand Wireless then select Wireless Servic...

Страница 88: ...88 CHAPTER 3 CONFIGURING WIRELESS SERVICES 9 Click Next Select WPA and deselect Static WEP...

Страница 89: ...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...

Страница 90: ...3 Click Next Select Enable WMM 14 Click Next Select RadioProfileVoic in the Radio Profiles list 15 Click Finish Create a Service Profile for SVP VoWIP Devices 1 Select Configuration on the toolbar 2 I...

Страница 91: ...e name of the VLAN you want to place SVP users in For this example use voice vlan Typing the VLAN name here does not actually configure the VLAN To configure a VLAN see Set Up VLANs on WX Switches on...

Страница 92: ...Vendor drop down list 8 Click Next Select Open Access and deselect MAC Access 9 Click Next Select WPA and deselect Static WEP 10 Click Next Leave TKIP enabled and click Next 11 Click Next Type a passp...

Страница 93: ...e Service Profile wizard is displayed 5 Click Next 6 Change the service profile name to Voice Vocera and use the name VoceraBadges for the SSID 7 Select Vocera in the Vendor drop down list 8 Click Nex...

Страница 94: ...rize the user for that VLAN For more information on VLANs see Viewing and Configuring VLANs in the Wireless LAN Switch Manager Reference Manual d Click Next In the attribute row you want to configure...

Страница 95: ...face Enabled 8 Click Finish The new VLAN appears in the Content panel For SVP continue with the following steps to disable IGMP snooping For VoWIP types that do not require IGMP to be disabled you can...

Страница 96: ...96 CHAPTER 3 CONFIGURING WIRELESS SERVICES For information about deploying your configuration and enabling monitoring your network refer to Managing and Monitoring Your Network on page 155...

Страница 97: ...uto Tuning technique is best suited to networks containing fewer MAPs To learn more about the benefits of RF Auto Tuning see RF Auto Tuning on page 32 To use this technique 1 Physically place your equ...

Страница 98: ...ter You do not need to install certificates unless you want to replace the ones automatically generated by MSS For more information see the Certificates Automatically Generated by MSS section in the M...

Страница 99: ...formation about service profiles see Wireless Configuration on page 36 For more information about wireless services see Which Services To Provide on page 30 To create a service profile 1 Select the Co...

Страница 100: ...eless LAN Switch Manager Reference Manual 9 Click Finish Create a Radio Profile and Map the Service Profile to It To create a radio profile and map a service profile to it 1 Select the Configuration t...

Страница 101: ...ign next to Wireless d Select Access Points e In the Task List panel select Direct Connect AP 2 Select the WX port the MAP will be connected to from the Available Ports drop down list Configuring a di...

Страница 102: ...and go to step 9 Otherwise go to step 10 10 Click Finish To create a Distributed MAP in3WXM 1 Access the Create Distributed AP wizard a Select the Configuration tool bar option b In the Organizer pan...

Страница 103: ...ct the MAP model from the MAP Model list 8 To select the radio type for a single radio model click the MAP Radio Type box and select the radio type from the list 11a 802 11a 11b 802 11b only 11g 802 1...

Страница 104: ...s 4 Select Radio Profiles 5 In the Radio Profiles table select the radio profile 6 Click Properties 7 Click the Radio Selection tab 8 Select the radios in the Available Members list and click Move 9 C...

Страница 105: ...ing information about your geographic location To use this technique you will complete the tasks described in Using RF Auto Tuning on page 97 Then you ll complete the following steps in your network p...

Страница 106: ...the Country Code list 6 In the Channel Set 802 11b g list select the set of operating channels for any 802 11b g MAP radios you plan to use if different from the default and click Next 7 In the Numbe...

Страница 107: ...lding 1 In the Organizer panel click the building name 2 Select Create Floor in the Task List panel The Create Floor wizard prompts you for information about the new floor 3 In the Floor Name box type...

Страница 108: ...y the floor plan in the Content panel 2 In the Task List panel click Tools 3 In the RF Obstacle area under Layout click one of the icons that most closely matches the RF obstacle you wish to place 4 C...

Страница 109: ...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...

Страница 110: ...te a Wiring Closet To add the location of a wiring closet to the floor plan 1 Display the floor plan in the Content panel 2 In the Task List panel click Tools 3 In the Wiring Closer Misc area under Co...

Страница 111: ...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 floor by clicking and dragging the mouse The Create Coverage Area wizard appears 4...

Страница 112: ...his coverage area 7 For 802 11g to prevent the association of 802 11b clients to any radio in this coverage area select Exclude 802 11b clients To allow 802 11b clients to associate to radios in the c...

Страница 113: ...e 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 Nex...

Страница 114: ...Layer 3 devices Distributed Auto MAPs can be indirectly attached through intermediate Layer 2 or Layer 3 devices They receive their configuration automatically using a profile that assigns a Distribu...

Страница 115: ...ning for Data page appears 20 To calculate MAP placement and configuration based on both coverage and on capacity enable Use Capacity Calculation for Data Otherwise click Next and go to step 24 By def...

Страница 116: ...tive at any given time 24 Click Next The Capacity Planning for Voice page appears 25 To calculate MAP placement and configuration based on both coverage and on capacity for voice over IP enable Use Ca...

Страница 117: ...verage transmit behavior of the voice over IP phones The handset oversubscription ratio is the ratio of active handsets compared to total handsets For example the ratio 4 1 indicates that statisticall...

Страница 118: ...complete the wizard and create the coverage area The coverage area is now displayed on your floor Add MAPs Add your direct MAPs or distributed MAPs to your network To add direct MAPs or distributed MA...

Страница 119: ...age 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 OK to close the dia...

Страница 120: ...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 follow...

Страница 121: ...ks based on geographical or organizational boundaries For example a network plan can represent a campus wide network 3Com recommends that you limit a network plan to a single campus or Mobility Domain...

Страница 122: ...en the drawing file was created in AutoCAD or TurboCAD a single object may be drawn with more than one line for example walls When such an object is imported it results in more than one object in 3WXM...

Страница 123: ...Reference Manual Define Site Information You define your site with information about your campus buildings and floors In addition you describe the attenuation characteristics of the location and speci...

Страница 124: ...ction is established to the specified 3WXM Services host select File New Network Plan The Create Network Plan wizard appears 4 In the Network Plan Name box type a name for the network plan You can use...

Страница 125: ...o spaces or tabs and click Next 5 To change the Country Code select the country where the network is to be deployed in the Country Code list 6 In the Channel Set 802 11b g list select the set of opera...

Страница 126: ...he number of floors a building contains 3WXM creates each floor using the default settings You can edit the floors 3WXM creates or you can add new floors 5 In the Starting Floor Level box specify the...

Страница 127: ...ut the new floor 3 In the Floor Name box type the name of the floor 1 to 60 alphanumeric characters with no spaces or tabs and click Next 4 To change the default attenuation for radios type the number...

Страница 128: ...how to modify AutoCAD files see Prepare the Floor Drawings on page 122 To import a floor drawing 1 In the Organizer panel click on the plus sign next to the building to expand it then click on the na...

Страница 129: ...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 example a 3 foot door b Enter the actual le...

Страница 130: ...uped If two objects that would normally be cleaned such as two parallel lines close together exist on different layers then neither object is removed For more information about cleaning up your floor...

Страница 131: ...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...

Страница 132: ...132 CHAPTER 6 USING RF PLANNING 5 When you are satisfied with the results click Finish...

Страница 133: ...into RF obstacles All objects similar in construction material should be placed in one layer For example if the drawing file has walls spread out in different layers but after performing a site survey...

Страница 134: ...Order report from 3WXM a map is created of your site that can be used in an Ekahau site survey After the survey is complete the measurement data can be imported back into 3WXM and RF obstacles adjust...

Страница 135: ...on page 144 Assign Channel Settings on page 146 Calculate Optimal Power on page 148 Display Coverage on page 150 Add Wiring Closets A wiring closet is a container for switches You need to add at least...

Страница 136: ...andwidth required for the area as well as the number of users You define the coverage area graphically on your floor plan using the coverage area drawing tool Almost all shapes for a coverage area are...

Страница 137: ...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 floor by clicking and dragging the mouse The Creat...

Страница 138: ...age area 7 For 802 11g to prevent the association of 802 11b clients to any radio in this coverage area select Exclude 802 11b clients To allow 802 11b clients to associate to radios in the coverage a...

Страница 139: ...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...

Страница 140: ...devices Distributed Auto MAPs can be indirectly attached through intermediate Layer 2 or Layer 3 devices They receive their configuration automatically using a profile that assigns a Distributed MAP n...

Страница 141: ...for Data page appears 21 To calculate MAP placement and configuration based on both coverage and on capacity enable Use Capacity Calculation for Data Otherwise click Next and go to step 25 By default...

Страница 142: ...ny given time 25 Click Next The Capacity Planning for Voice page appears 26 To calculate MAP placement and configuration based on both coverage and on capacity for voice over IP enable Use Capacity Ca...

Страница 143: ...ed to total handsets For example the ratio 4 1 indicates that statistically 25 percent of the voice over IP phones are active at any given time 31 Click Next The Mobility Domain Radio Profile Wiring C...

Страница 144: ...oor To do this two calculations are performed in 3WXM One is based on capacity traffic engineering and the other is based on pure RF coverage at a given data rate After the calculations are performed...

Страница 145: ...o remove a coverage area from MAP placement and computation clear the area s Compute Layout box 5 To specify the primary wiring closet for a coverage area click in the Wiring Closet column to display...

Страница 146: ...hboring APs from the selected channel set Choose the starting floor and the ending floor in the downward direction for multi floor channel assignment The algorithm takes predicted RSSI values between...

Страница 147: ...own 5 To change the ending floor for channel assignment select the floor from the End On Floor List The ending floor number must be lower than or equal to the starting floor number 6 To change the rad...

Страница 148: ...main Optimal power can be computed for each MAP where transmit power is adjusted up or down to provide adequate coverage with minimum RF interference When calculating optimal power you can manually ch...

Страница 149: ...areas you defined and the corresponding technology 3 To optimize the AP count select Optimize AP Count This option checks for coverage overlaps and removes an MAP if neighboring MAPs provide enough c...

Страница 150: ...typical data rate the radio is expected to support for client associations The baseline association rate is specified during planning on a coverage area basis Data Rate Coverage is shown in colored b...

Страница 151: ...work order provides all of the necessary information for the physical installation of the 3Com Mobility System A work order shows where the MAPs should be installed WX initial setup configuration info...

Страница 152: ...e work order report is saved click Choose The Select dialog box appears 7 Click Generate The work order is saved in the directory you specified in the format WO_scope_name_date If you generate another...

Страница 153: ...on page 42 What s Next A 3WXM network plan can support both RF Auto Tuning and RF Planning techniques at the same time You can use RF Auto Tuning to meet the demands of rapid network changes that can...

Страница 154: ...154 CHAPTER 6 USING RF PLANNING...

Страница 155: ...tch Manager Reference Manual For detailed information about performing administrative tasks on a WX switch see the chapter Configuring WX System and Administrative Parameters in the Wireless LAN Switc...

Страница 156: ...tom right of the dialog box If there are errors fix them and verify the changes before trying to deploy again You can use the Verification tab to fix the errors If the deploy is successful 3WXM also i...

Страница 157: ...he chapter Configuring WX System and Administrative Parameters in the Wireless LAN Switch Manager Reference Manual For more information about image and file management see the chapter Managing WX Syst...

Страница 158: ...ew messages about the status of a specific area of MSS Time zone and summertime settings You can configure the system time and date statically You also can configure MSS to offset the time by an addit...

Страница 159: ...rs 5 Navigate to the directory containing the system image 6 Select the system image 7 Click Add to Repository The image is added to the image repository and appears in the Image List 8 To close the I...

Страница 160: ...vice Operations 3 In the Managed Devices list select the WX switches onto which you want to install the image To select more than one WX click Shift while clicking to select contiguous items or click...

Страница 161: ...t The status of the saving process appears 4 Click Finish Saving Network Plans Automatically By default 3WXM uses the autosave feature to automatically save changes to a network plan at regular interv...

Страница 162: ...ick Select Files The Select Files To Import dialog box appears 5 Select one or more configuration files to be imported To make multiple selections press Shift for contiguous items or Control for nonco...

Страница 163: ...Export Configurations dialog box click Close Monitoring Examples 3WXM provides many monitoring options The section Management and Monitoring on page 43 provides an overview of all the monitoring tools...

Страница 164: ...gather long term statistics Find the User You can find a user or multiple users based on the following criteria Username MAC address IP address VLAN name To find the user 1 Click on the Monitor option...

Страница 165: ...cate the source of the problem you can place the user on a watch list Statistics polled for a watch list are gathered over time up to 30 days In this way a pattern of events or statistics may be revea...

Страница 166: ...n display the user s approximate location by doing the following 1 Click on the Monitor option in the main 3WXM tool bar 2 Select the Client Monitor view 3 Click on the Client Sessions tab 4 Select th...

Страница 167: ...n 3WXM tool bar 2 Select the Client Monitor view 3 Click on the Client Sessions tab and select a user 4 Select the Location History tab to see where the user has been From here you can determine the a...

Страница 168: ...ether the interference is being created by too much noise on a channel Receive Signal Strength RSSI statistics can indicate whether a low signal strength is creating the user s performance problem Ope...

Страница 169: ...rring in specific areas of the WLAN Monitor a Group of Users If a group of users in a specific area of a floor notify you that they are experiencing poor performance target a radio or multiple radios...

Страница 170: ...s If utilization is very high this could prevent new users from gaining access to the WLAN To view trends 1 Click on the Monitor option in the main 3WXM tool bar 2 Select the RF Trends view 3 Expand t...

Страница 171: ...by potentially allowing unchallenged access to the network by any wireless user or client in the physical vicinity Rogue access points and users can also interfere with the operation of your enterpri...

Страница 172: ...e number of listeners other MAPs that detected the rogue are displayed The larger the number of listeners detecting the rogue the easier it is for 3WXM to locate the rogue in the RF coverage area Unde...

Страница 173: ...e targets for countermeasures Countermeasures are enabled on an individual radio profile basis When you create a radio profile you can apply it to specified service profiles or to individual radios Th...

Страница 174: ...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...

Страница 175: ...xt The Radio Profile Service Selection page appears 9 To map the radio profile to a service profile select the service profile in the Available Service Profiles list and click Add 10 Click Finish The...

Страница 176: ...entity listed in the forwarding database FDB of any WX switch in the Mobility Domain Although the interfering device is not connected to your network the device might be causing RF interference with...

Страница 177: ...perform passive scanning only 14 Click Finish to save the changes and close the wizard To verify that countermeasures are being taken against the rogue 1 Click on the Rogue Detection option in the ma...

Страница 178: ...178 CHAPTER 7 MANAGING AND MONITORING YOUR NETWORK...

Страница 179: ...RF measurements An Ekahau Site Survey tool You perform a site survey of your network The benefit of using RF measurements derived from a site survey is that the results more closely match the coverag...

Страница 180: ...bstacles will be optimized with this data To import RF measurements from MAPs 1 Select the RF Planning option in the main 3WXM tool bar 2 Display the floor plan in the Content panel 3 In the Task List...

Страница 181: ...m the site survey Walk through the area taking measurements with the tool Save the RF measurements in the Ekahau Site Survey tool to a file in comma separated values csv format In 3WXM Import the csv...

Страница 182: ...ions and MAC addresses of the MAPs for use when conducting a site survey and also provides a JPEG image of the floor To generate a site survey order 1 Display the floor plan in the Content panel 2 In...

Страница 183: ...l building or an individual floor 5 Select the language English or German 6 To change the output directory for the report click on the button next to output directory navigate to the new directory and...

Страница 184: ...184 CHAPTER 8 OPTIMIZING A NETWORK PLAN 10 Browse to the output directory and locate the JPEG file Copy this file and import it into your Ekahau Site Survey tool Proceed with your site survey...

Страница 185: ...1 Display the floor plan in the Content panel 2 In the Task List panel click RF Planning 3 Under Site Survey click Import Measurement The Import RF Measurements wizard is displayed 4 Select File as t...

Страница 186: ...rt 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 measurements were imp...

Страница 187: ...s a set of attenuation values for the RF obstacles on a floor After you import RF measurements from a site survey or apply them from the RF measurements in your network to your network plan you rebuil...

Страница 188: ...cates the number of measurements that did experience attenuation For existing RF objects 3WXM corrects the attenuation to match the results If the floor plan does not have an RF obstacle where the att...

Страница 189: ...RF Planning 4 In the Show RF coverage using listbox select how you want to display the coverage Baseline Association Rate Coverage is shown based on the MAP radio baseline association rate The baseli...

Страница 190: ...age by transmit data rate for the coverage area CoverA Locking Down MAPs To prevent 3WXM from moving a MAP on your network plan that you do not want to be redistributed lock the MAP down To lock down...

Страница 191: ...work After you have computed and placed new MAPs in the network plan you will need to add the MAPs to your network For information about adding MAPs to your network see the Wireless LAN Switch and Con...

Страница 192: ...P 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 You can create a backup copy of your updated n...

Страница 193: ...ake advantage of warranty and other service benefits you must first register your product at http eSupport 3com com 3Com eSupport services are based on accounts that are created or that you are author...

Страница 194: ...the version of software that you initially purchased with your 3Com product To obtain access to this software you need to register your product and then use the Serial Number as your login Restricted...

Страница 195: ...rly marked on the outside of the package will be returned to the sender unopened at the sender s expense If your product is registered and under warranty you can obtain an RMA number online at http eS...

Страница 196: ...ail html You can also obtain non urgent support in this region at these email addresses Technical support and general requests customer_support 3com com Return material authorization warranty_repair 3...

Страница 197: ...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 Coun...

Страница 198: ...198 APPENDIX A OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS...

Страница 199: ...DWG files 122 B bug fixes 194 C clean layout 130 configurations deploying 155 exporting 161 importing 161 configuring access control 23 employee access services 52 employee access example 55 guess acc...

Страница 200: ...s 158 MAPs assigning channel settings 146 computing and placing 144 creating 101 direct connect 101 distributed 101 locking down 190 RF measurements from 180 Mobility Domains description of 40 Mobilit...

Страница 201: ...Middle East and Africa 196 reporting overview 47 types of reports 47 Restricted Software 194 return authorization number RMA 195 RF Auto Tuning configuring initial WX switch connectivity 98 defining 9...

Страница 202: ...chnical support Asia and Pacific Rim 195 technical support Europe Middle East and Africa 196 telephone support 194 telephone technical support 194 telephone technical support for Latin America 196 tel...

Страница 203: ...ches available models 41 configuring management services 157 configuring basic properties 41 configuring boot information 42 configuring connection information 42 configuring VLANs on 66 deploying con...

Страница 204: ...204 INDEX...

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