Frame Too Long Error Threshold Monitor.
Below are the details of the Object Identifier (OID) that is queried via an SNMP GET
Object | OID | Description |
|---|---|---|
dot3StatsFrameTooLongs | .1.3.6.1.2.1.10.7.2.1.13 | A count of frames received on a particular interface that exceed the maximum permitted frame size. The count represented by an instance of this object is incremented when the frameTooLongstatus is returned by the MAC service to the LLC (or other MAC user). Received frames for which multiple error conditions obtain are, according to the conventions of IEEE 802.3 Layer Management, counted exclusively according to the error status presented to the LLC. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. |
This can happen when:
A device has a Faulty transceiver
There is a malfunction of the jabber protection mechanism on a transceiver
There is excessive noise on the cable.
Speed or duplex mismatch between two interfaces.
Below are some basic troubleshooting steps
Check the cabling to the device.
Perform any vendor specific hardware tests on the device to determine if the device's hardware is functioning properly
Raise the threshold on the monitor. This will allow for better "tuning" of the application to your environment. Take care no to raise the threshold too much as this could allow important events to go unnoticed.
| Target | Microsoft.SystemCenter.NetworkDevice.Interface.Ethernet | ||
| Parent Monitor | System.Health.PerformanceState | ||
| Category | PerformanceHealth | ||
| Enabled | False | ||
| Alert Generate | True | ||
| Alert Severity | Error | ||
| Alert Priority | Normal | ||
| Alert Auto Resolve | False | ||
| Monitor Type | Microsoft.SystemCenter.NetworkDevice.SnmpDeltaThresholdMonitorType | ||
| Remotable | True | ||
| Accessibility | Public | ||
| Alert Message |
| ||
| RunAs | Default |
Home
ENU <UnitMonitor ID="Microsoft.SystemCenter.NetworkDevice.Interface.Ethernet.FrameTooLongsThresholdMonitor" Accessibility="Public" Enabled="false" Target="Microsoft.SystemCenter.NetworkDevice.Interface.Ethernet" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="Microsoft.SystemCenter.NetworkDevice.SnmpDeltaThresholdMonitorType" ConfirmDelivery="false">
<Category>PerformanceHealth</Category>
<AlertSettings AlertMessage="Microsoft.SystemCenter.NetworkDevice.Interface.Ethernet.FrameTooLongsThresholdMonitor.AlertMessage">
<AlertOnState>Error</AlertOnState>
<AutoResolve>false</AutoResolve>
<AlertPriority>Normal</AlertPriority>
</AlertSettings>
<OperationalStates>
<OperationalState HealthState="Success" MonitorTypeStateID="UnderThreshold" ID="BelowThreshold"/>
<OperationalState HealthState="Error" MonitorTypeStateID="OverThreshold" ID="AboveThreshold"/>
</OperationalStates>
<Configuration>
<Interval>180</Interval>
<IP>$Target/Host/Property[Type="NetworkDevice!Microsoft.SystemCenter.NetworkDevice"]/IPAddress$</IP>
<CommunityString>$Target/Host/Property[Type="NetworkDevice!Microsoft.SystemCenter.NetworkDevice"]/CommunityString$</CommunityString>
<Version>$Target/Host/Property[Type="NetworkDevice!Microsoft.SystemCenter.NetworkDevice"]/Version$</Version>
<SnmpVarBinds>
<SnmpVarBind>
<OID>1.3.6.1.2.1.10.7.2.1.13.$Target/Property[Type="Microsoft.SystemCenter.NetworkDevice.Interface"]/ifIndex$</OID>
<Syntax>2</Syntax>
<Value VariantType="3"/>
</SnmpVarBind>
</SnmpVarBinds>
<Threshold>0</Threshold>
</Configuration>
</UnitMonitor>