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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Configuring the Alarm Function on an RU

Configuring the Alarm Function on an RU

Context

  • You can configure alarm thresholds on an RU to monitor the RU in real time. When the configured thresholds are exceeded, the RU generates alarms or logs to notify the central AP of RU status.

    The default alarm thresholds are recommended.

  • If a STA cannot go online due to security type mismatch, UAC, or access user upper limit exceeding, the STA will automatically re-connect to the RU. During this period, the RU sends a large number of STA association failure alarms to the central AP, which degrades the system performance.

    To solve this problem, enable alarm suppression for the RU. The RU then does not report alarms repeatedly in the alarm suppression period, preventing alarm storms.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    wlan

    The WLAN view is displayed.

  3. Run:

    ap-system-profile name profile-name

    An AP system profile is created, and the AP system profile view is displayed.

    By default, the system provides the AP system profile default.

  4. Run:

    cpu-usage threshold threshold

    A CPU usage alarm threshold is configured for an RU.

    By default, the CPU usage alarm threshold of RUs is 90.

  5. Run:

    memory-usage threshold threshold

    A memory usage alarm threshold is configured for an RU.

    By default, the memory usage alarm threshold on an RU is 80.

  6. Run:

    high-temperature threshold threshold-value

    A high temperature alarm threshold is configured for an RU.

    Table 17-1  Default upper temperature alarm threshold for APs

    AP Model

    Default Value (°C)

    R230D/R240D/R250D/R250D-E

    40

  7. Run:

    low-temperature threshold threshold-value

    A low temperature alarm threshold is configured for an RU.

    Table 17-2  Default lower temperature alarm threshold for RUs

    AP Model

    Default Value (°C)

    R230D/R240D/R250D/R250D-E

    0

  8. Configure the alarm suppression function on an RU.
    1. Run the alarm-restriction period period command to configure the alarm suppression period on the RU.

      The default alarm suppression period is 60 seconds on an RU

    2. Run the undo alarm-restriction disable command to enable the alarm suppression function on an RU.

      By default, alarm suppression is enabled for an RU.

  9. Run:

    quit

    Return to the WLAN view.

  10. Bind an AP system profile to an AP group or AP.

    • Binding an AP system profile to an AP group.
      1. Run the ap-group name group-name command to enter the AP group view.
      2. Run the ap-system-profile profile-name command to bind the AP system profile to the AP group.

        By default, the AP system profile default is bound to an AP group.

    • Binding an AP system profile to an AP.
      1. Run the ap-id ap-id, ap-mac ap-mac, or ap-name ap-name command to enter the AP view.
      2. Run the ap-system-profile profile-name command to bind the AP system profile to the AP.

        By default, no AP system profile is bound to an AP.

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Updated: 2019-01-11

Document ID: EDOC1000176006

Views: 117071

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