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接口不稳定

System.NetworkManagement.NetworkAdapter.IsFlapping (UnitMonitor)

基于收到的 SNMP 陷阱监视接口链接是否频繁在开启和关闭之间切换

Knowledge Base article:

摘要

此监视器指示设备当前是否不稳定，即从可用状态快速切换到不可用状态。此监视器有两种可能的状态：

原因

此监视器的错误状态指示接口不稳定，即从可用状态快速切换到不可用状态。

解决方法

使用运行状况资源管理器，在监视器的“状态更改事件”选项卡上检查状态更改的详细信息。此数据显示对象标识符 (OID) 及设备在响应查询时返回的值。有关问题和故障排除过程的详细信息，请查阅设备制造商的文档以了解设备的特定 OID。

Element properties:

TargetSystem.NetworkManagement.NetworkAdapter
Parent MonitorSystem.Health.AvailabilityState
CategoryPerformanceHealth
EnabledFalse
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeSystem.NetworkManagement.RepeatedTrapTimer2StateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
接口不稳定警报
接口 {0} 不稳定。使用运行状况资源管理器来进一步解决此问题。
RunAsDefault

Source Code:

<UnitMonitor ID="System.NetworkManagement.NetworkAdapter.IsFlapping" Accessibility="Public" Enabled="false" Target="NetworkLibrary!System.NetworkManagement.NetworkAdapter" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="System.NetworkManagement.RepeatedTrapTimer2StateMonitorType" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="System.NetworkManagement.Generic.NetworkAdapter.IsFlapping.AlertMessage">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="System!System.Entity"]/DisplayName$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Flapping" MonitorTypeStateID="RepeatedTrapRaised" HealthState="Error"/>

    <OperationalState ID="NotFlapping" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>

  </OperationalStates>

  <Configuration>

    <OIDProps>

      <OIDProp>.1.3.6.1.6.3.1.1.5.4</OIDProp>

      <OIDProp>.1.3.6.1.6.3.1.1.5.3</OIDProp>

    </OIDProps>

    <TrapExpression>

      <SimpleExpression>

        <ValueExpression>

          <XPathQuery>SnmpVarBinds/SnmpVarBind[OID=".1.3.6.1.2.1.2.2.1.1.$Target/Property[Type="NetworkLibrary!System.NetworkManagement.NetworkAdapter"]/Index$"]/Value</XPathQuery>

        </ValueExpression>

        <Operator>Equal</Operator>

        <ValueExpression>

          <Value>$Target/Property[Type="NetworkLibrary!System.NetworkManagement.NetworkAdapter"]/Index$</Value>

        </ValueExpression>

      </SimpleExpression>

    </TrapExpression>

    <ConsolidationSeconds>30</ConsolidationSeconds>

    <MatchCount>2</MatchCount>

    <TimerResetSeconds>3600</TimerResetSeconds>

  </Configuration>

</UnitMonitor>