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					Wireless LAN Manager
      Agenda


       Introduction to Wireless LAN Manager
       Introduction to HP Openview Network Node Manager
       Installation
       Features
       Trouble shooting
      Q&A




Wireless LAN Manager
      What is Wireless LAN Manager?


       Network management tool designed to manage a
        wireless LAN infrastructure
       Runs on WinNT and 2000
       Available as Stand Alone or HP Openview Plug-In
       General Feature Overview
               Manages ORiNOCO Infrastructure Networks of AP-500, AP-1000, AP-
                2000 and AS-2000 as well as OEM branded products from a single
                GUI
               Provides ability to manage Wireless LAN infrastructure more effectively
                through group management




Wireless LAN Manager
      Product Variants


       Wireless LAN Manager
               Stand Alone – Discovers/manages up to 50 Devices
       Wireless LAN Manager Plus
               Stand Alone – Discovers/manages more than 50 devices
       Wireless LAN PRO Manager
               HP-OpenView Plug-In – Discovers/manages up to 50 devices
       Wireless LAN PRO Manager Plus
               HP-OpenView Plug-In – Discovers/manages more than 50 devices




Wireless LAN Manager
      Why Wireless LAN PRO
      Manager?

       Most of the organizations use HP OV for managing IT
        infrastructure
               HP OV NNM is used to manage network infrastructure
               Plug-ins are used to manage vendor specific infrastructure
       Wireless LAN PRO manager integrates with HP OV
        NNM to manage wireless LAN access products
               Integrate wireless LAN management to yield an integrated
                management solution for all network infrastructure




Wireless LAN Manager
      HP Openview Network Node
      Manager (NNM)


     Network management
     tool to provide a common
     platform for integrated
     solutions
     NNM Terminology
              Map
              Internet
              Network
              Segment
              Symbol color
              Background services


Wireless LAN Manager
        Wireless LAN PRO Manager features

        •Auto-Discover beyond subnets
                                Subnet 1            Subnet 2

                                           Router          WILMA
                                AP                       PRO Manager
                                           AP
                                                         AP
                                AP
                                           AP
                                                         AP
                                AP
                                           AP
                                                         AP
        •Network Topology
        •Graphical Monitoring


Wireless LAN Manager
      Installation


       Get going with a few clicks and a license key
               Single CD for all variants
               Unique key per CD (License Agreement)
               Four varieties of keys for four variants
       30 day evaluation version
       Auto registration by email for quick support
       Easy upgrade without loss of data
       Email support: wilanmanager@agere.com




Wireless LAN Manager
      Summary
      Questions?



       Wireless LAN Manager
       Wireless LAN PRO Manager
               HP Openview NNM
       Installation, Registration and Upgrade




Wireless LAN Manager
      Prerequisites for application
      start

       Common
               Networked work station
               Administrative privileges to the windows user
       Stand alone
               SNMP trap services must be disabled
       Plug-in
               SNMP trap services must be started
               HP-OV services must be started




Wireless LAN Manager
      Application start


       Stand alone
               Familiar icon on desktop
               Also available from Start menu
       Plug-in
               Wireless LAN PRO Manager available from HP OV’s Tools menu
       Single login
               Default login name : Administrator
               Default password : public




Wireless LAN Manager
                Application start
                  Trouble shooting

 Application does not start
    Cause                  : Database servers not started.
    Solution 1             : Restart the application.
    Solution 2             : Kill all omdbserv.exe and wilanmgr.exe from task manager and
                             restart the application.

    Note: For normal functionality of Wireless LAN Manager, 3 instances of omdbserv.exe
    should be running.



   Cause                  : Invalid License Key.
   Solution 1             : Uninstall and reinstall the application with a valid license key.

   Note: Reinstalling the application will destroy all stored data. To avoid loss of data,
   restore data from backup.

Wireless LAN Manager
                Application Start
                  Trouble shooting (contd.)
     Unable to login to the manager
     Cause                  : No menu item to start Wireless LAN PRO Manager.
                              under Tools menu in HP-Openview.
     Solution 1             : Restart HP-Openview.
     Solution 2         : Uninstall and reinstall the application. Make sure that
                          HP-Openview is not in use while installation.
     Note: Applicable only to Plug-in variant.
     Cause                  :Wrong password/login name.
     Solution1              :Enter the correct login and password. Default login is
                             administrator and default password is public.

     Cause               : Forgot the password.
     Solution 1          : Re-initialize the application’s database from
                           Start->Programs->Wireless LAN Manager->Initialize Database.
     Note: User will lose all the previously stored data in manager.


Wireless LAN Manager
      User interface

                                                 Help Panel


             Tool bar




             Navigation Panel




     Status bar

                                Activity Panel

Wireless LAN Manager
      Network new devices instantly


       Auto Discovery (Active)
               Probes the network for your devices
               Uses proprietary protocol to discover devices fast.
               Discovery settings
       Remote Discovery – look beyond the network
       Unconfigured devices seek attention with a bold
        faced font
               Initial configuration - double click and setup




Wireless LAN Manager
      Unified view of access devices


       Customizable view settings
               List View
               Detailed view
       Iconic view
       Topological view (Available only in Plug-in)




Wireless LAN Manager
      Grouping devices

    Creation of smaller, easy-to-
     manage ‘My Logical Network’
            Allow grouping of devices (e.g.)
             by span of control (for multiple
             administrators), by network
             name or by locations
            Use folders to group devices
            Copy devices to logical groups
              • Give password once and
                 manage forever




Wireless LAN Manager
                  Device Display
                   Trouble shooting

    Devices not present in Main panel.
    Cause                  : HP-Openview services are not running.
    Solution 1             : Start the services using “ovstart –v”. For details, refer
                             HP-Openview’s user manual.

    Note: Applicable only to Plug-in.



    Cause                  : No devices discovered by HP-Openview.
    Solution 1             : Wait for HP-Openview to discover the devices.
    Solution 2             : Use remote discovery to add the devices manually.

    Note: Applicable only to Plug-in.



Wireless LAN Manager
                  Device Display
                   Trouble shooting (contd.)

 Newly added device in network not discovered by manager.
 Cause                    : Discovery interval set to a high value.
 Solution 1               : Reduce the discovery interval from Tools->Discovery Setting.
 Cause                    : Device is still not discovered by HP-Openview.
 Solution 1               : Wait for HP-Openview to discover the device.
 Solution 2               : Use remote discovery to add the device manually.

 Note: Applicable only to Plug-in.

 Cause                    : License limit of 50 nodes exceeded.
 Solution 1               : Upgrade the application to support more than 50 devices.
                            Contact Wireless LAN Manager customer support.

 Note: Applicable to all variants except PLUS versions.



Wireless LAN Manager
      Summary
      Questions?


       Application launch
       Auto discovery
       Initial device setup
       Remote discovery
       My Logical Network




Wireless LAN Manager
      Configuring devices


       Single device
               View device
                configuration
               Change device
                configuration
       Recommended for
        small changes
       Back up device
        configuration
               Use backed up
                configuration later



Wireless LAN Manager
                  Configuration
                  Trouble shooting




   Error message: Unable to communicate to device

   Cause                  : Read/Write SNMP passwords were changed without using
                            Wireless LAN Manager.
   Solution 1             : Delete the device from “My Logical Network” and add it with
                            the correct passwords.




Wireless LAN Manager
                  Configuration
                  Trouble shooting (contd.)



    Error message: Unable to communicate to device (contd.)

    Cause            : Even though correct SNMP read/read-write password is
                      entered, the management station’s entry does not exist in
    SNMP IP access control list.
    Solution 1       : Update the SNMP-IP Access table through telnet or serial
                       Command Line Interface.


    Note: For safer handling, while adding an entry in SNMP IP access control list, always
    add Manager Station IP Address as First entry and while deleting always
    delete Manager Station IP Address at last.



Wireless LAN Manager
                Configuration
                Trouble shooting (contd.)

   Problems in importing Access Control List

   Cause                 : The access control list file format is wrong.
   Solution 1            : Refer user guide for the correct format.


   Cause                 : Exported file from one device type is imported in another
                           device type.
   Solution 1            : There could be some formatting errors like strings “Enable”,
                           “Disable” coming up in the comments column. Ignore such
                            inconsistencies. Refer user guide.




Wireless LAN Manager
                Configuration
                Trouble shooting (contd.)

   After configuring a parameter successfully, manager does not
   reflect the latest values for AS-2000/AP-2000

   Cause                 : Device was not rebooted for parameters (IAPP, Radius), which
                           require a reboot.
   Solution 1            : Reboot the device.

   Note: For safer handling, after setting parameters if device-reboot is required please do.




Wireless LAN Manager
      Configuring networks or
      Configuring devices?

       Access points are used to build networks
       Devices are configured to have similar configurations
       Configuring large number of devices is time consuming
        and error prone
       Group configuration is necessary!




Wireless LAN Manager
      From device management to
      network management

       Multiple devices
       Template management
               Write once, use multiple
                times
               Configure groups rather than
                devices
               Using backed up
                configuration
       Apply immediately or
        later
               Scheduling sessions




Wireless LAN Manager
                Group Configuration
                Trouble shooting

Unable to create a new template
 Cause                  : Default template is missing/corrupted.
 Solution 1             : Stop the application. Take a backup of
                         {Application dir}\AP\data. Run "Initialize database".
                         Restore the contents of {Application dir}\AP\data.
                         Restart the application.


 Unable to edit an existing template
   Cause                 : The template data is corrupted.
  Solution 1             : Delete the template.

   Cause                 : MIB version does not match.
   Solution 1            : Delete the template.


Wireless LAN Manager
               Group Configuration
               Trouble shooting (contd.)

    Unable to apply a template
    Cause                 : Error: “Please give a future date/time” even when the date/time is
                            correct.
    Solution 1            : Check if the environment variable "TZ" is set. Unset this variable
                            and restart the application.

    Cause                 : Unable to communicate to device.
    Solution 1            : Delete the device from “My Logical Network” and copy-paste it
                            again.
    Solution 2            : If problem persists, the device does not have an entry in SNMP
                            IP access table. Add management station’s IP address using a
                            telnet or serial command line interface.




Wireless LAN Manager
      Summary
      Questions?



       Configuring devices
       Taking configuration backup of devices
       Template management
       Scheduling group configuration




Wireless LAN Manager
      Monitoring network performance


       Monitor access points
               View performance statistics
               Check for abnormal behavior
       Monitor graphically (Only available in Plug-in version)
               View the trend in performance statistics
               Compare parameters
               Compare performance of two or more devices
       Perform link test
               View clients connected to a device
               View wireless client statistics
               Log statistics


Wireless LAN Manager
                Link test
                Trouble shooting


 Clicking on explore button in Link Test Screen does not display
 clients.
  Cause                  : Explore values not available from device.
  Solution 1             : Wait for sometime before clicking the button again.




Wireless LAN Manager
      Network planning

      Check client load on wireless access points
      Monitor imbalances in load
      Plan the network to balance load
      Client load distribution aids network planning
                  Display load on access points
                  Monitor real time load
                  View trend in daily/weekly load
                  Analyze load statistically or graphically




Wireless LAN Manager
                  Client load distribution
                  Trouble shooting

 Client load distribution shows inconsistent date/time
   Cause                  : User changed the system date/time.
   Solution 1             : Ignore the inconsistency.




Wireless LAN Manager
      Upgrading access points


       Upload to device
       Download from
        device
       Single device
               Device image upgrade
               Config files
       Multiple devices
               Scheduling sessions




Wireless LAN Manager
                Upload/download
                Trouble shooting


   Software upgrade fails.
    Cause                : TFTP server is not responding properly.
    Solution 1           : Start the TFTP server.
    Solution 2           : Check if the TFTP server is configured properly.

    Note: TFTP server is not part of the Wireless LAN Manager package.

    Cause                 : Mismatch of software image.
    Solution 1            : Upload the correct image.




Wireless LAN Manager
      Checking device health


      Devices send alarms (SNMP traps) to notify abnormal
       conditions
      View all alarms received
      Take corrective action and acknowledge
      View alarms of interest
               By severity
               By device
               Acknowledged / unacknowledged




Wireless LAN Manager
                Device Status
                Trouble shooting

   The device status is down.

   Cause                 : User logged into windows does not have administrative privileges.
   Solution 1            : Login as a user who has administrative privileges.
   Solution 2            : Give administrative privileges to the user.


  Cause                  : Ping interval set to a high value.
  Solution 1             : Reduce the ping interval from Tools->Discovery Setting.




Wireless LAN Manager
                Alarms
                Trouble shooting

    Alarms not received by the application.
    Cause               : Windows SNMP trap service is running.
    Solution 1          : Disable SNMP trap service from control panel.
    Note: Applicable to Stand Alone only.


    Cause               : Windows SNMP trap service is not running.
    Solution 1          : Enable SNMP trap service from control panel.
    Note: Applicable to Plug-in only.


    Cause                 : Trap Host IP address is not set on the device.
    Solution 1            : Set the management station’s IP address as Trap Host
                                                                             IP address on the
    device.

Wireless LAN Manager
                Alarms
                Trouble shooting (contd.)

    Alarms not received by the application (contd.)
    Cause              : HP-Openview services are not running.
    Solution 1         : Start the services using “ovstart –v”. For details, refer
                         HP-Openview’s user manual.
    Note: Applicable only to Plug-in.

    Cause                 : Filter settings prohibit the display of alarms in application.
    Solution 1            : Check filter settings.




Wireless LAN Manager
      Session management


       Schedule maintenance at zero load hours
       Reschedule pending sessions
       Cancel sessions

       Check status of sessions
       View logs of completed sessions


                       Manage the network when users are least affected



Wireless LAN Manager
      More…


       Report generation
                  List of devices
                  Alarms
                  Configuration data
                  Monitoring data
       Secure access to network management software
               Single login
               Lock application
       Initialize database
               Start from scratch




Wireless LAN Manager
      Summary
      Questions?



       Performance Monitoring
       Link test
       Client load distribution
       Upload to device / download from device
       Scheduling software image upgrades
       Alarm management




Wireless LAN Manager
      Recommendations


       Backup device configuration regularly
               Available from File->Configuration backup
               Use template management to restore configuration
       Backup Wireless LAN manager data regularly
               Stop application
               Take backup of {Application directory}\AP\data
               Restore if data is corrupted




Wireless LAN Manager
      Thank you




            Contact wilanmanager@agere.com for Wireless LAN
            Manager Support




Wireless LAN Manager

				
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