PowerShell for Windows Admins

Aug 21 2011   11:01AM GMT

Ethernet Errors

Richard Siddaway Richard Siddaway Profile: Richard Siddaway

While we are looking at the MSNdis_Ethernet* classes we should consider these three that pick up potential problems

MSNdis_EthernetReceiveErrorAlignment
MSNdis_EthernetOneTransmitCollision
MSNdis_EthernetMoreTransmitCollisions

 

If all is well we will get an answer of zero for each of them – no errors and no collisions. Its a bit awkward working through each class in turn and we get a lot of “noise” returned so the following function concatenates the results.

function test-etherneterror {            
param(            
 [string]$computer="."            
)            
Get-WmiObject -Namespace root\wmi -Class MSNdis_EthernetReceiveErrorAlignment `
-ComputerName $computer |            
foreach {            
                
  $one = Get-WmiObject -Namespace root\wmi  `
  -Class MSNdis_EthernetOneTransmitCollision -ComputerName $computer `
  -Filter "InstanceName='$($_.InstanceName)'"            
            
  $more = Get-WmiObject -Namespace root\wmi  `
  -Class MSNdis_EthernetMoreTransmitCollisions -ComputerName $computer `
  -Filter "InstanceName='$($_.InstanceName)'"            
            
  New-Object -TypeName PSobject -Property @{            
  Computer = $_.__SERVER            
  Adapter = $_.InstanceName            
  ReceiveError = $_.NdisEthernetReceiveErrorAlignment            
  OneCollision = $one.NdisEthernetOneTransmitCollision            
  MoreCollision = $more.NdisEthernetMoreTransmitCollisions            
 }            
}            
}

Start by getting the members of the MSNdis_EthernetReceiveErrorAlignment  class. Loop through them and get the related MSNdis_EthernetOneTransmitCollision  and MSNdis_EthernetMoreTransmitCollisions classes.

 

Create an object for output

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