Dell PowerConnect W-Airwave Manual
Dell PowerConnect W-Airwave Manual

Dell PowerConnect W-Airwave Manual

W-airwave 7.5 best practices guide
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Dell PowerConnect W-
AirWave 7.5
Best Practices Guide

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Summary of Contents for Dell PowerConnect W-Airwave

  • Page 1 Dell PowerConnect W- AirWave 7.5 Best Practices Guide...
  • Page 2 VPN client devices constitutes complete acceptance of liability by that individual or corporation for this action and indemnifies, in full, Aruba Networks, Inc. from any and all legal actions that might be taken against it with respect to infringement of copyright on behalf of those vendors. Dell PowerConnect W-AirWave 7.5 | Best Practices Guide 0510824-05 | Aug 2012...
  • Page 3: Table Of Contents

    Understanding Dell PowerConnect W-Series Topology ............. 3 Prerequisites for Integrating Dell PowerConnect W-Series Infrastructure......4 Chapter 2 Configuring AirWave for Global Dell PowerConnect W-Series Infrastructure ..5 Disabling Rate Limiting in AMP Setup > General................5 Entering Credentials in Device Setup > Communication ............. 5 Setting Up Recommended Timeout and Retries ................
  • Page 4 Understanding WMS Offload Impact on Dell PowerConnect W-Series Infrastructure..22 Chapter 6 Dell PowerConnect W-Series Specific Capabilities in AirWave ......23 Dell PowerConnect W-Series Traps for RADIUS Auth and IDS Tracking ......23 Remote AP Monitoring ........................24 ARM and Channel Utilization Information ..................24 VisualRF and Channel Utilization ...................
  • Page 5: Preface

    Preface The preface provides an overview of the best practices guide and contact information for Dell PowerConnect W, and includes the following sections: “Document Organization” on page 1  “Note, Caution, and Warning Icons” on page 2  “Contacting Support” on page 2 ...
  • Page 6: Note, Caution, And Warning Icons

    CAUTION: Indicates a risk of damage to your hardware or loss of data. WARNING: Indicates a risk of personal injury or death. Contacting Support Web Site Support dell.com Main Website support.dell.com Support Website support.dell.com/manuals Documentation Website 2 | Preface Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 7: Chapter 1 Overview

    W-Series infrastructure. Dell PowerConnect W-Series wireless infrastructure provides a wealth of functionality such as firewall, VPN, remote AP, IDS, IPS, and ARM, as well as an abundance of statistical information. Follow the simple guidelines in this document to garner the full benefit of your Dell PowerConnect W-Series infrastructure.
  • Page 8: Prerequisites For Integrating Dell Powerconnect W-Series Infrastructure

    Prerequisites for Integrating Dell PowerConnect W-Series Infrastructure You will need the following information to monitor and manage your Dell PowerConnect W-Series infrastructure: SNMP community string (monitoring and discovery)  Telnet/SSH credentials (configuration only)  Enable password (configuration only)  NOTE: Without proper Telnet/SSH credentials AirWave will not be able to acquire license and serial information from controllers.
  • Page 9: Configuring Airwave For Global Dell Powerconnect W-Series Infrastructure

    AirWave requires several credentials to properly interface with Dell PowerConnect W-Series devices. To enter these credentials, follow these steps: 1. Navigate to Device Setup > Communication. 2. In the Default Credentials section, select the Edit link next to Dell. The page illustrated in Figure 3 appears.
  • Page 10: Setting Up Recommended Timeout And Retries

    NOTE: Although the upper limit for this value is 40, some SNMP libraries still have a hard limit of 20 retries. In these cases, any retry value that is set above 20 will still stop at 20. 6 | Configuring AirWave for Global Dell PowerConnect W-Series Infrastructure Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 11: Setting Up Time Synchronization

    Enabling Support for Channel Utilization And Statistics In order to enable support for channel utilization statistics, you must have the following: AirWave 7.2 or later  Dell PowerConnect W-AirWave 7.5 | Best Practices Guide Configuring AirWave for Global Dell PowerConnect W-Series Infrastructure | 7...
  • Page 12: Airwave Setup

    NOTE: ArubaOS 6.0.1 can report RF utilization metrics, while ArubaOS 6.1 is necessary to also obtain classified interferer information. Access points - Dell PowerConnect W AP-105, AP-92, AP-93, AP-125, AP-124, AP-134, AP-135  Controllers - Dell PowerConnect W 600 Series or 3000 Series ...
  • Page 13: Chapter 3 Configuring A Dell Powerconnect W Group In Airwave

    Configuring a Dell PowerConnect W Group in AirWave It is prudent to establish one or more Dell PowerConnect W Groups within AirWave. During the discovery process you will move new discovered controllers into this group. This chapter contains the following topics: “Basic Monitoring Configuration”...
  • Page 14: Advanced Configuration

    Group SNMP Version for Monitoring 12. Select Save and Apply. Advanced Configuration Refer to the Dell PowerConnect W-AirWave 7.5 Configuration Guide located at Home > Documentation for detailed instructions. 10 | Configuring a Dell PowerConnect W Group in AirWave Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 15: Chapter 4 Discovering Dell Powerconnect W-Series Infrastructure

    Chapter 2, “Configuring AirWave for Global Dell PowerConnect W-Series Infrastructure” on page 5  Chapter 3, “Configuring a Dell PowerConnect W Group in AirWave” on page 9  The following topics in this chapter walk through the basic procedure for discovering and managing Dell PowerConnect W-Series Infrastructure: “Discovering Master Controllers” on page 11 ...
  • Page 16 Figure 8 Dell PowerConnect W Credentials in Device Setup > Add 4. Enter the required fields for configuration and basic monitoring: Telnet/SSH Username  Telnet/SSH password  “enable” password  5. Enter the required fields for WMS Offload SNMPv3 Auth Protocol ...
  • Page 17: Local Controller Discovery

    7. Ensure Monitor Only option is selected. 8. Select Add. 9. Navigate to APs/Devices > New page. 10. Select the Dell PowerConnect W-Series master controller you just added from the list of new devices. 11. Ensure Monitor Only option is selected. 12. Select Add.
  • Page 18 14 | Discovering Dell PowerConnect W-Series Infrastructure Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 19: Airwave And Dell Powerconnect W-Series Integration Strategies

    Chapter 5 AirWave and Dell PowerConnect W- Series Integration Strategies This chapter describes strategies for integrating AirWave and Dell PowerConnect W-Series devices and contains the following topics: “Integration Goals” on page 15  “Example Use Cases” on page 16  “Prerequisites for Integration” on page 17 ...
  • Page 20: Example Use Cases

    When to Define AirWave as a Trap Host You want to track IDS events within the AirWave UI.  You are in the process of converting their older third-party WLAN devices to Dell PowerConnect W-Series  devices and want a unified IDS dashboard for all WLAN infrastructure.
  • Page 21: Prerequisites For Integration

    Prerequisites for Integration If you have not discovered the Dell infrastructure or configured credentials, refer to the previous chapters of this book: Chapter 2, “Configuring AirWave for Global Dell PowerConnect W-Series Infrastructure” on page 5  Chapter 3, “Configuring a Dell PowerConnect W Group in AirWave” on page 9 ...
  • Page 22: Wms Offload With Airwave

    Offload Configuration in Monitor-Only Mode. 2. Select Save and Apply. This will push a set of commands via SSH to all Dell PowerConnect W-Series master controllers. If the controller does not have an SNMPv3 user that matches the AirWave database it will automatically create a new SNMPv3 user.
  • Page 23: Arubaos Traps Utilized By Airwave

     wlsxSignAPDeauthBcast  wlsxSignStaDeauthBcastwlsxChannelFrameErrorRateExceeded  wlsxChannelFrameFragmentationRateExceeded  wlsxChannelFrameRetryRateExceeded  wlsxNIpSpoofingDetected  wlsxStaImpersonation  wlsxReservedChannelViolation  wlsxValidSSIDViolation  wlsxStaPolicyViolation  wlsxRepeatWEPIVViolation  wlsxWeakWEPIVViolation  Dell PowerConnect W-AirWave 7.5 | Best Practices Guide AirWave and Dell PowerConnect W-Series Integration Strategies | 19...
  • Page 24: Arm Traps

    Ensure the source IP of the traps match the IP that AirWave utilizes to manage the controller, as shown in Figure 11. Navigate to APs/Devices > Monitor to validate the IP address in the Device Info section. 20 | AirWave and Dell PowerConnect W-Series Integration Strategies Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 25 AirWave. The traps that AirWave does process are listed above. Ensure you disable qlogging after testing as it could negatively impact AirWave performance if left turned on: [root@AMP ~]# qlog enable snmp_traps Dell PowerConnect W-AirWave 7.5 | Best Practices Guide AirWave and Dell PowerConnect W-Series Integration Strategies | 21...
  • Page 26: Understanding Wms Offload Impact On Dell Powerconnect W-Series Infrastructure

    Figure 12 Security Summary on Master Controller “Rogue Device Classification” on page 27 for more information on security, IDS, WIPS, WIDS, classification, and RAPIDS. 22 | AirWave and Dell PowerConnect W-Series Integration Strategies Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 27: Chapter 6 Dell Powerconnect W-Series Specific Capabilities In Airwave

    Chapter 6 Dell PowerConnect W-Series Specific Capabilities in AirWave This chapter discusses Dell PowerConnect W-Series specific capabilities in AirWave and contains the following topics: “Dell PowerConnect W-Series Traps for RADIUS Auth and IDS Tracking” on page 23  “Remote AP Monitoring” on page 24 ...
  • Page 28: Remote Ap Monitoring

    ARM statistics and Channel utilization are very powerful tools for diagnosing capacity and other issues in your WLAN. 1. Navigate to an APs/Devices > Monitor page for any of the following Dell PowerConnect W-Series models: Dell PowerConnect W-AP-105, AP-92, AP-93, AP-124, AP-125, or AP-135.
  • Page 29: Visualrf And Channel Utilization

    See the Dell PowerConnect W-AirWave User Guide in Home > Documentation for more information on the data displayed in the Radio Statistics page for these devices. VisualRF and Channel Utilization To view how channel utilization is impacting an area within a building, follow these steps: 1.
  • Page 30: Viewing Channel Utilization Alerts

    5. Create a trigger condition for Radio Type and select the frequency to evaluate. 6. Select total, receive, transmit, or interference trigger condition. 7. Set up any restrictions or notifications (refer to the Dell PowerConnect W-AirWave 7.5 User Guide in Home > Documentation for more details) 8.
  • Page 31: Viewing Controller License Information

    To check and reclassify rogue devices, follow these steps: 1. Navigate to the Rogue > Detail page for the rogue device, as shown in . Dell PowerConnect W-AirWave 7.5 | Best Practices Guide Dell PowerConnect W-Series Specific Capabilities in AirWave | 27...
  • Page 32 1. Navigate to the Users > User Detail page for the user. 2. Select the proper classification from the Classification drop-down menu as seen in Figure Figure 22 User Classification 28 | Dell PowerConnect W-Series Specific Capabilities in AirWave Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 33: Rules-Based Controller Classification

    1. Navigate to RAPIDS > Rules. 2. In the Classification drop-down menu, select desired RAPIDS classification. 3. Select Controller Classification from drop-down menu, as shown in Figure Dell PowerConnect W-AirWave 7.5 | Best Practices Guide Dell PowerConnect W-Series Specific Capabilities in AirWave | 29...
  • Page 34 Figure 24 Configure Rules for Classification 4. Select Add. 5. Select desired controller classification to use as an evaluation in RAPIDS. 6. Select Save. 30 | Dell PowerConnect W-Series Specific Capabilities in AirWave Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 35: Appendix A Arubaos And Airwave Cli Commands

    CAUTION: Enabling these commands on ArubaOS versions prior to 6.1 can result in performance issues on the controller. To enable channel utilization events utilizing the Dell PowerConnect W-Series ArubaOS CLI, use SSH to access a local or master controller’s command-line interface, enter enable mode, and issue the following commands: (Controller-Name) # configure terminal Enter Configuration commands, one per line.
  • Page 36: Airwave Snmp

    Debugging coupled with gathering the enhanced statistics can put a strain on the controllers CPU, so it is highly recommended to disable debugging. 32 | ArubaOS and AirWave CLI Commands Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 37: Restart Wms On Local Controllers

    (Controller-Name) (config) # write mem Copy and Paste to Enable Proper Traps with the ArubaOS CLI To ensure the proper traps are configured on Dell PowerConnect W-Series controllers, copy and paste the following command in config mode: snmp-server trap enable wlsxNUserAuthenticationFailed...
  • Page 38 NOTE: You will need to issue the write mem command. 34 | ArubaOS and AirWave CLI Commands Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 39: Appendix B Airwave Data Acquisition Methods

    Appendix B AirWave Data Acquisition Methods The following table describes the different methods through which AirWave acquires data from Dell PowerConnect W-Series devices on the network. Table 6 Methods by which Acquires Data from -Series Devices AirWave Dell PowerConnect W...
  • Page 40 36 | AirWave Data Acquisition Methods Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 41: Appendix Cwms Offload Details

    In this example all local controllers under master controller 2, (2-1, 2-2, and 2-3) would receive the classification messages. 6. If an administrative AirWave user manually overrides the classification, then AirWave will send a re- classification message to all applicable local controllers. Dell PowerConnect W-AirWave 7.5 | Best Practices Guide WMS Offload Details | 37...
  • Page 42: Using Airwave As Master Device State Manager

     device or authorizing a valid device when devices roam across a large campus. Ability to correlate state of third party access points with ARM. This will ensure Dell PowerConnect W-Series  infrastructure interoperates more efficiently in a mixed infrastructure environment.
  • Page 43: Appendix D Increasing Location Accuracy

    242.64 seconds Leveraging RTLS to Increase Accuracy This section provides instructions for integrating the AirWave, Dell PowerConnect W-Series WLAN infrastructure and Dell PowerConnect W's RTLS feed to more accurately locate wireless clients and Wi-Fi Tags. Deployment Topology Figure 26 Typical Client Location Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 44: Prerequisites

    Figure 27 Typical Tag Deployment Prerequisites You will need the following information to monitor and manage your Dell PowerConnect W-Series infrastructure. Ensure AirWave server is already monitoring Dell PowerConnect W-Series infrastructure  Ensure WMS Offload process is complete  Ensure firewall configuration for port 5050 (default port) supports bidirectional UDP communication ...
  • Page 45: Enable Rtls On The Controller

    Use SSH to access the command-line interface of your AirWave server, and issue the following commands: [root@AMPServer]# daemons | grep RTLS root 17859 12809 0 10:35 ? 00:00:00 Daemon::RTLS Dell PowerConnect W-AirWave 7.5 | Best Practices Guide Increasing Location Accuracy | 41...
  • Page 46 <discovering-radio ap=SC-MB-03-AP06 dBm=-81 id=769 index=1 timestamp=2008-10-21T12:23:31-04:00/> <discovering-radio ap=SC-MB-01-AP06 dBm=-63 id=708 index=1 timestamp=2008-10-21T12:23:31-04:00/> <discovering-radio ap=SC-MB-02-AP04 dBm=-88 id=806 index=1 timestamp=2008-10-21T12:22:34-04:00/> </rfid> <rfid battery-level=0 chirp-interval= radio-mac=00:14:7E:00:4B:5C vendor=> <radio phy=g xmit-dbm=10.0/> 42 | Increasing Location Accuracy Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...
  • Page 47: Wi-Fi Tag Setup Guidelines

    Ensure that the tags can be heard by at least three (3) access points from any given location. The  recommended value is is 4 APs. Ensure that the tags chirp on all regulatory channels.  Dell PowerConnect W-AirWave 7.5 | Best Practices Guide Increasing Location Accuracy | 43...
  • Page 48 44 | Increasing Location Accuracy Dell PowerConnect W-AirWave 7.5 | Best Practices Guide...

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