Cisco Wireless: Free huge buffers Health Monitor

Jalasoft.Xian.SmartManagementPacks.CiscoWireless.FreeHugeBuffers.1.1 (AggregateMonitor)

This monitor catches Xian events that notifies when the Free huge buffers has changed its state.

Knowledge Base article:

Summary

Number of free huge buffers is under threshold.

The number of available huge buffers is below the minimum threshold configured in Xian Network Manager 2012.

Causes

The device is assigning packets to an excessive amount of huge buffers in order to manage them according to requirements, but those are not releasing the buffers, thus generating insufficiency of free huge buffers. It can be done because of a buffer leak.

Resolutions

Analyze the buffer sizes and strategies for handling overflows and reconfigure. Sometimes it can be solved just by updating your Cisco IOS. Use 'show buffers old' command to get more information and find the problem.

Additional

Monitors the number of free huge buffers on a Cisco Wireless device.

Element properties:

Target

Jalasoft.Xian.Common.Types.ThirdParty.Cisco.JsXCiscoWirelessMemoryPoolElementContainer

Parent Monitor

System.Health.PerformanceState

Algorithm

WorstOf

Category

StateCollection

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

Low

Alert Auto Resolve

True

Remotable

True

Accessibility

Public

Alert Message

Free huge buffers Alert

{0}

Source Code:

<AggregateMonitor ID="Jalasoft.Xian.SmartManagementPacks.CiscoWireless.FreeHugeBuffers.1.1" Accessibility="Public" Enabled="true" Target="ThirdParty_Cisco!Jalasoft.Xian.Common.Types.ThirdParty.Cisco.JsXCiscoWirelessMemoryPoolElementContainer" ParentMonitorID="SystemHealth!System.Health.PerformanceState" Remotable="true" Priority="Normal">

  <Category>StateCollection</Category>

  <AlertSettings AlertMessage="FreeHugeBuffers_AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Low</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/Params/Param[3]$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <Algorithm>WorstOf</Algorithm>

</AggregateMonitor>